国家开放大学ligongyingyu1 网上在线形考作业[答案]

作者:奥鹏作业答案 字体:[增加 减小] 来源:国家开放大学 时间:2022-11-20 21:29

---Hello, Im Harry Potter. ---Glad to meet you. Im Mi

国家开放大学ligongyingyu1 网上在线形考作业[答案]

[电大代做]国家开放大学学习网 ligongyingyu1 网上在线形作业

正确答案:C

—Hello, I’m Harry Potter.

—Glad to meet you. I’m Miller. But __________.
A. call my Paul.

正确答案:D

B. call me Paul.

C. call me at Paul.
B

Let’s meet at 7:30 outside the gate of ________.
A. People’s Park

正确答案:D

B. the People’s Park

C. the People Park
B

I hope you’ll ________working with us in the future.
A. enjoy

B. achieve

C. apply
A

—Are you good at Building Materials, Rose?

正确答案:D

—_______. But I will try to study it well this term.
A. Quite well

正确答案:C

B. Not very good

正确答案:A

正确答案:D

正确答案:D

正确答案:D

正确答案:C

正确答案:A

正确答案:C

正确答案:A

正确答案:D

C. That’s all right

—How are you?

—________
A. Nice to meet you.

B. Fine, thanks.

C. How do you do.

正确答案:B

— Haven’t seen you for ages, Mike. ________________

— Pretty good. Everything goes well.
A. How’s it going?

正确答案:C

B. What are you doing?

正确答案:C

C. How are you?

— Could you please tell me something about the two_______?

正确答案:A

— ___________. They arc exchange students of No. 1 Middle School.
A. Germen; Not at all

正确答案:B

B. Germans; All right

C. Frenchmen; Yes, please

—Can I help you, sir?

—I’d like to have 100 _____. I want my students to draw pictures.
A. pieces of papers

正确答案:A

B. piece of paper

C. pieces of paper

Each apartment only__________15 to 30 square meters for one unit.
A. spend

B. make

C. takes

Now this tiny housing solution is ______________ in urban areas in the U.S., and Canada.
A. gain ground upon

正确答案:C

B. gain ground on

正确答案:D

C. gain ground

正确答案:D

正确答案:B

正确答案:B

正确答案:A

正确答案:A

正确答案:C

正确答案:A

正确答案:B

To solve this problem, New York city planners are challenging tradition and starting to _________more “micro units”.
A. invent

正确答案:B

B. create

C. design

正确答案:A

题干二、阅读理解阅读下面的对话,选择合适的内容将对话补充完整。SunLi:Nicetomeetyou.I’mSunLi.Henry:Areyouastudentofthisuniversity,too?SunLi:Yeah,thisismysecondyear.IstudyArchitecture.Andwhat’syourmajor?Henry:So,whatsubjectsdoyoustudythisterm?SunLi:Henry:Oh,Isee.IhaveEnglishclassestoo.IhaveAirPollutionControl,PollutionAnalysis,andClimateChangeControlTechnology.SunLi:Oh,really?!Whatdoyouthinkofyourmajor?Henry:It’swonderful.butPollutionAnalysisisn’tmybestsubject.IlikeClimateChangeControlTechnologybetter.SunLi:IlikeBuildingMaterialsbest.A.ThissemesterwestudyEnglish,EngineeringDrawing,ConstructionTechnology,andBuildingMaterials.B.Ithinktheclassesarereallyinteresting,C.Nicetomeetyoutoo.D.Oh,MymajorisEnergyandEnvironment.E.Howaboutyou?

正确答案:C

— Goodbye, everyone._______________

正确答案:C

— Bye, Sally! Don’t forget to write.
A. Sounds great

正确答案:D

B. Just wait and see

正确答案:C

C. Stay in touch

题干二、阅读理解阅读下面的短文,根据文章内容从A、B、C三个选项中选出一个最佳选项。Housingisthelivingplacesforhumanbeings.Asthepopulationkeepsclimbing,Peopleinthecityhavetofacetherealitythathousingisinshortsupply.Tosolvethisproblem,NewYorkcityplannersarechallengingtraditionandstartingtodesignmore“microunits.”Micros,alsoknownas“hostel-style”apartments,usuallyofferlessthan200squarefeet(21.5squaremeters)inarea.Couldyouimaginelivingin150squarefeet(14squaremeters)?Theseunitsusuallyhaveonlyroomforabed,atablemini-fridgeandthebasiclivingessentials.Whyisthemicroapartmentsoappealing?Thereasonsareratherstraightforward.Itisperfectforsinglepeoplewhodon’thavealotofthings.Itcanalsomeettheneedofpeoplewhoareshortoncashbutdeterminedtoliveintheirownplaces.MicroapartmentsareverymonincitieslikeTokyoandHongKong,wheretherearesomanypeopleliving.NowthistinyhousingsolutionisgaininggroundinurbanareasintheU.S.,andCanada.ThemicroapartmentisanexperimentinsimplicityinAmericanculture.Sosmall-scalehomelifeispartofahottrendinU.S.realestate.Somepeopleareproudofit.Someofthemcanfindthehumorandfunintheirsmallplaces.Butnoteveryoneisinfavorofthetrend.1.Accordingtothepassage,thenextbigtrendinU.S.realestateis.A.bighouseB.microapartmentC.traditionalhouse2.Asthepopulationkeepsclimbing,peopleinthecityhavetofacetherealitythat.A.housingisinshortsupplyB.housingisverysufficientC.housingisaluxurygoods3.Whyisthemicroapartmentsoappealing?A.Itmeetstheneedofsomeone.B.It’sverystrange.C.It’sexcellent.4.Microapartmentsareverymoninsomecitieslike.A.BeijingB.LondonC.Tokyo5.Howdopeoplethinkofthemicroapartment?A.Everyonelikesitverymuch.B.Somepeoplethinkit’shumorousandfun.C.Noteveryoneisinfavorofthetrend.

正确答案:D

The technological advances made it possible for the middle classes to enjoy what had once been ________ only to the very rich.
a. manageable

正确答案:A

b. measurable

c. affordable

正确答案:C

题干二、翻译从以下A、B、C三个选项中选出与英文最适合的中文翻译。1.That’swhytinylittleapartmentswithabedroom,akitchenandabathroomeintobeing.A.这就是为什么小公寓的卧室,一个厨房和一个浴室。B.这就是为什么小的小公寓有一个卧室,一个厨房和一个浴室。C.这就是只有一卧一厨一卫的微型公寓形成的原因。2.Abeautifullittleroomwithloveandhappinessisagreatplacetolive.A.一个美丽的小房间,爱和幸福是一个居住的好地方。B.一间充盈爱和幸福的小美屋就是宜居的好地方。C.一个美丽的小房间,爱和幸福是一个伟大的地方住。3.Itcanalsomeettheneedofpeoplewhoareshortoncashbutdeterminedtoliveintheirownplaces.A.它也能满足一些人的需要,他们缺钱,但又决心拥有一个自己的家。B.它也可以满足人的需要,缺钱但决定住在自己的地方。C.它也能满足需要的人谁是短期的现金,但决心生活在自己的地方。4.TedandWilliamhavelivedunderthesameroofforfiveyears.A.泰德和威廉已经在同一屋檐下生活了五年了.B.泰德和威廉在同一个屋檐下生活了五年。C.泰德和威廉一起生活了五年。5.IfyoutravelaloneandwanttoknowbetterfamilylifeinBritain,you’dbetterstayinB&Bs.A.如果你独自旅行,想知道更好的家庭生活在英国,你最好呆在B&Bs。B.如果你独自旅行,想了解英国的家庭生活,你最好呆在家里。C.如果你独自旅行并且想更好地了解英国的居民生活,你可以住在B&Bs。

正确答案:C

Tony has many Chinese ______.
A. stamp

B. a stamp

C. stamps

The __________ are eating _________ at the foot of the mountain.
A. sheeps, grasses

B. sheep, grass

C. sheeps, grass

题干二、阅读理解阅读下面的短文,根据文章内容从A、B、C三个选项中选出一个最佳选项。Buildingahousecostsquitealotofmoney.Supposeyouplantobuildahouse.Yourfirststepwillbetofindarightpieceofland.Yourchoicewilldependonmanydifferentthings.Youwillprobablytrytofindasunnyplace,withpleasantsurroundings(环境)nearshopsandbusstops,nottoofarfromyourfriendsandtheplacewhereyouwork.Nextyouwillfindagoodbuilder,andtogetherwiththebuilderyouwillworkoutaplan.Thebuilderwilldrawtheplan.Itwillshowthenumberofrooms,theirpositionandsize,andotherparts,whichmustbenoticed,suchaswindows,doors,andelectricoutlets.Thebuilderwillworkouthowmuchmoneyisneededtobuildyourhouse.Hewillworkoutthecostofthewood,bricks,theglass,andeverythingelsethatmustbeusedinbuildingthehouse.Lateron,whenhestartstobuild,thisestimate(预算)mustbecorrectedandrevised(修订).Hisestimateisbasedonexistingprices,butpricesofsuchthingsmaychange,andmanyotherthingsmayhappenbetweenthetimewhenhemakestheestimateandthetimewhenhebuildsthehouse.Whenthebuildergiveshisestimate,youmaywishtochangeyourplan.(Youmayalsowishtochangeyourbuilder,ifhisestimateistoohigh!)Youmayfindthatthehouseyouwantedatfirstcoststoomuch,orthatyoucanspendalittlemoreandaddsomethingtoyourplan.Thebuilder’sestimatedependsontheplan,butthefinalplandependsonthebuilder’sestimate.1.Thebesttitleofthispassagewouldbe“”.A.BuildingaHouseCostsMuchMoneyB.EstimateIsImportantC.PlanningaHouse2.Thefirstthingforapersontobuildahouseis.A.togetasmuchmoneyaspossibleB.tofindasuitablepieceoflandC.toworkoutaplan3.Thephrase“drawaplan”inthispassagemeans.A.makingapictureofabuildingoraroomB.makingaplanC.workingoutaplan4.Whenthebuilderstartstobuildahouse,hisestimatewillhavetobecorrectedandrevisedbecause.A.itiswronglyworkedoutbyaworkmanB.thefutureownerofthehousethinkstheestimateissohighthathecannotaffordthebuilding.C.Thepricesofbuildingmaterialsandtheexpenses(费用)oflabormaybedifferentfromtheoriginalpricesandexpenses5.Whatistherelationship(关系)betweentheestimateandtheplan?A.Theplandependsontheestimate.B.Theplanhasnothingtodowiththeestimate.C.Theestimateandtheplandependoneachother.

正确答案:D

— Which city has _________population, Beijing, Guiyang or Nanchang?

— Beijing, of course.
A. the largest

B. the smallest

C. the most

One day they crossed the ____bridge behind the palace.
A. chinese old stone

正确答案:D

B. old stone chinese

正确答案:A

C. old chinese stone

正确答案:C

I really like that car you ________ and I am thinking of buying it.
A. interviewed

正确答案:D

B. remended

正确答案:C

C. talked

题干二、阅读理解阅读下面的短文,根据文章内容进行判断,正确为“T”,错误为“F”。Oneofthemasterpiecesofmodernarchitecture,thefantasticHangzhouBayBridgehasbeenopenedtothepublicsinceMay2008.TheBridgeisanS-shapedstayed-cablebridgewithsixlanesinbothdirectionsandislinkingNingbo’sCixicountyinthesouthtoJiaxinginthenorth.ItshortensthehighwaytraveldistancebetweenNingboandShanghaiby120kilometers,andreducesthedrivingtimefrom4to2.5hours.Itisthelongestsea-crossingbridgeintheworld-36kilometers(22miles)long.ThisfantasticbridgecrossingtheHangzhouBayisexpectedtohavea100-yearlifespan,andhasapricetagof11.8billionyuan(US$1.70billion).Thetollfeeis80yuanpervehicle.Asthebridgehassixlanesinbothdirections,youcanbequitesurethatyouwillhaveasmoothride.Thespeedlimitis100kilometers/62miles.Thefirstpreparationsforplanningthebridgestartedadecadeago;closeto600expertsspentnineyearsondesigningtheHangzhouBayBridge.ChiefCommanderoftheBridgeProjectisMrWangYong.Thebridgewaslinkedin2007andanopeningceremonywasheldon26thJune.ButtheBridgewasfirstopentothepublic,almostoneyearlater,afteraseriesoftestsandevaluations.1.ThefantasticHangzhouBayBridgehasbeenopenedtothepublicsinceMay2010.2.Itisthelongestsea-crossingbridgeintheworld-36kilometers(22miles)long.3.Thetollfeeis100yuanpervehicle.4.Thespeedlimitis100kilometers/62miles5.ChiefCommanderoftheBridgeProjectisMrYangYong.

正确答案:B

—— I’m so excited to meet you. May I introduce myself to you?

正确答案:D

—— ___________________________
A. Nice to see you.

B. Sure.

C. You are wele.

—— Thanks for all the information, Peter. It sounds like you have an interesting job.

正确答案:A

—— ______________________________
A. Yes I love my job.

B. Yes, it’s very interesting, but stressful, too!

C. I work for the ABC pany.

Architect Mayur Kanaiya spoke__________ of the Langkawi Sky Bridge
A. good

正确答案:B

B. highly

C. well

— Sonia, do you think you are different from Linda?

正确答案:A

— Yes. I’m ______ at drawing than her.
A. good

正确答案:A

B. well

C. better

—— Excuse me. You must be Mr. Liu Hua from China?

—— ___________________
A. How do you do?

正确答案:C

B. Thank you.

C. Yes, nice to meet you.

Tony is going camping with ___ boys.
A. two little other

B. little two other

C. two litter other

—— Have you had a nice journey?

正确答案:D

—— ________________________
A. You are wele.

B. Indeed, it’s been a very nice journey.

正确答案:D

C. Sure

—— What’s your present job?

—— _______________________
A. I am 24 years old.

正确答案:B

正确答案:C

B. I just graduated from college.

正确答案:C

C. I’m a film-maker.

But the Bridge was first _____ to the public, almost one year later, after a series of tests and evaluations.
A. lead

正确答案:D

B. use

C. open

The walls function like a dam to keep the water _____ and the structure lies naturally within its surroundings, remaining invisible from a distance.
A. in

正确答案:A

B. of

C. out

Tom is________ than any other players in the school team.
A. tallest

B. tall

C. taller

题干Completethecardwiththewordsandexpressionsgiveninthebox.Youneedtoincludethefollowinginformation.Senderofthecard:JohnBlackReceiverofthecard:Mr.ErvincongratulationsgreatersuccesssohappybestwishesverymuchimpressedDearMrErvin:onyourbeingnamedthisyear’soutstandingmanager.Ioncevisitedoneofyourbranchesandwas.Iamsureyoudeservethishonor.AndIfeelforyou.foreventoyouandyourpanyintheingyear!Sincerely,JohnBlack

正确答案:C

题干二、翻译从以下A、B、C三个选项中选出与英文最适合的中文翻译。1.Ithasatotallengthof49.968km,ofwhich35.578kmwillbebuiltoverthesea.A.它总长度49.968公里,其中35.578公里在海上。B.它总长度49.968公里,其中有35.578公里是横跨在海面上的。C.它总长度49.968公里,其中35.578公里在海底。2.I’dlikeyoutomeetthefamousbridgedesigner,Mr.LiuHua.A.我喜欢你去见见著名的桥梁设计师刘华先生。B.我想给您介绍下著名的桥梁设计师刘华先生。C.我们最好去见见著名的桥梁设计师刘华先生。3.It’sagreatexampleoftreadinglightlyontheland.A.在桥上缓步行走是非常好的体验。B.在陆地上交易是很好的体验C.在陆地上轻微的交易是很好的体验。4.Whilemostbridgescrossabovewater,thesunkenbridgeatFortdeRoovereintheNetherlandssinksjustbelowit.A.然而大部分的桥都横跨水面,荷兰FortdeRoovere的这座下沉的桥则建在水面以下B.大多数桥都建在水面上,荷兰FortdeRoovere的这座下沉的桥则建在水面以下。C.大多数桥都穿越水面,荷兰FortdeRoovere的这座下沉的桥则建在水面以下5.Visitorscanenjoyaverycloseexperiencewiththeforestandwildlifeonthecurvingbridge.A.游客们能够与野生动物和森林有着更近的体验。B.蜿蜒的桥面让游客能够近距离地体验森林与野生动物。C.游客们可以尽情享受丛林中的野生动物。

正确答案:D

题干二、阅读理解阅读下面的短文,根据文章内容从A、B、C三个选项中选出一个最佳选项。London’sRiverThameshastwenty-sevenbridges.ButTowerBridge,thefirstbridgeovertheThamesasyoutraveltoLondonfromthesea,isthemostfamousofthemall.WhatmakesTowerBridgesoexciting?Whydovisitorsefromallovertheworldtoseeit?ThethingthatissurprisingaboutTowerBridgeisthatitisopeninthemiddle.ItdoesthistoletthebigshipsthroughtothePoolofLondon.Ifyouareluckyenoughtoseethebridgewithitstwoopeningarmshighintheair,youwillneverforgetit.OnitsnorthsidestandstheTowerofLondonitself.Althoughtheylookthesameage,theTowerisalmostathousandyearsold,andTowerBridgeisonlyaboutonehundred,itwasbuiltinthe2190s.By2150,everyoneagreedthatabridgeacrosstheThamesneartheTowerwasmostnecessary.Butthedesignersarguedaboutthenewbridgeforanotherthirtyyears.Thistooksolongbecausetheyhadtwobigproblems.l.TowerBridgeis.A.aboutonethousandyearsoldB.theoldestandthemostfamousbridgeinLondonC.thefirstoneyoucanseewhenyougofromtheseatoLondon2.TheTowerofLondonis.A.acrossfromtheThamesB.onthenorthofTowerBridgeC.inthemiddleofTowerBridge3.WhichofthefollowingisNOTtrueaccordingtothepassage?A.Youcanseethebridgewithitstwoopeningarmshighintheairatanytime.B.By2150everybodythoughtitmostnecessarytohaveabridgebuiltacrosstheThamesneartheTower.C.Ittookthedesignersthirtyyearstoargueaboutthebridgebeforeitwasbuilt.4.Whyisthebridgeopeninthemiddle?A.Tomakeitspecial.B.Toattract(吸引)morepeoplefromtheworldtoseeit.C.ToletthebigshipthroughtothePoolofLondon.5.HowlongwastheTowerBridgebuilt?A.Athousandyears.B.Ahundredyears.C.Fivethousandyears.

正确答案:C

You know, this bridge ______ Hong Kong, Zhuhai and Macau.
A. es

正确答案:C

B. connects

C. likes

— why not dine out together and go to the movies?

正确答案:C

— ________________________________________
A. You deserve that.

正确答案:A

B. Thank you.

C. Sounds like a good idea.

正确答案:B

正确答案:B

— Do you like reading books?

正确答案:D

— Yes. Each of us ______________ to do more reading in and after class.
A. are encouraged

正确答案:D

B. encourage

C. is encouraged

This box is___ that one.
A. heavy than

B. heavier as

C. as heavy as

题干二、阅读理解阅读下面的短文,根据文章内容进行判断,正确为“T”,错误为“F”。Millionsofpeoplearoundtheworldcooktheirfoodoverasmokyfireeveryday.Itisoftendifficulttofindwoodforthefire.Peoplewhodonothavewoodmustspendlargeamountsofmoneyoncookingfuel.However,thereisamucheasierwaytocookfoodusingenergyfromthesun.Solarcookers,orovens,havebeenusedforcenturies.Solarovensconsistofasystemofreflectorsandacookingpot.Therestisuptoyourimagination!Onceyouhavecollectedorboughtyoursolaroven,youcanuseittopreparehotmealsinthebackyard,atacampgroundorwhereveryourheartdesires.Ofalltheinventionsthatcouldbenefithumankind,areliablesolarcookerremainsoneofthemostnecessary.Countlesspeopleacrossthedevelopingworldstillcooktheirfoodbyburningwoodorevencowdung,causingbreathingproblemsandseverepollutioninsomeregions.Thesearchingforapracticalsolarcookerhasgoneonfordecadesandproduceddozensofmodels.Butnoneofthemhavecaughtonimportantlyforuseinthedevelopingworldbecausetheycan’tstoreheat.Withouttheabilitytostoreheat,acookercannotbeused,forexample,oncloudydays.ButnowagroupbasedattheNorwegianUniversityofScienceandTechnology(NTNU)isreportingadiscoveryinsolarcookers.Theysayitwillleadtotheproductionofpracticalsolarcookerswithinayearandahalfanditcanstoreenoughheatduringasunnydaytoworkforanentireadditionalday,evenifitiscloudy.Peoplewhodonothavewoodmustspendsmallamountsofmoneyoncookingfuel.Thereisamucheasierwaytocookfoodusingenergyfromthesun.Solarcookers,orovens,havenotbeenusedforcenturies.Solarovensconsistofasystemofreflectorsandacookingpot.Withouttheabilitytostoreheat,acookercanbeused,forexample,oncloudydays.

正确答案:D

I’d love to ______with you my new kitchenware.
A. put

正确答案:B

B. help

C. share

— Don’t forget to e to our party this weekend!

正确答案:B

— _____________________________
A. Not at all.

B. You are wele.

C. Sure. See you.

It is called solar cooker, a newly designed cooking device and there are many kinds of solar cookers _______.
A. convenient

正确答案:C

B. useful

C. available

题干二、阅读理解阅读下面的对话,选择合适的内容将对话补充完整。Henry:Hey,whatareyoudoingthisweekend?Mandy:Henry:Wouldyouliketogoforapicnic?TheweatherforecastsaysitwillbesunnythisSunday.Mandy:Henry:Yesofcourse,andIwillmakesomehamburgers.Mandy:OK.ThenI’llbringsomedrinks,greentea,blacktea,juiceorcola?Henry:BythewayIwillbringmynewkitchenwareforourpicnicMandy:Newkitchenware?Acooker?Henry:Yeah!Ijustboughtasolarcookerlastmonth.It’sanewdevicethatusessolarenergyanditisgettingpopularduetoitshighefficiencyanditsenvironmentalfriendliness.Peoplecancookeasilywiththisnewdevice.I’llbringsomefruitandsomeotherfood.Wewillmakeawonderfulpicnic!Mandy:Henry:OK,Iamlookingforwardtoourpicnic!ThenSeeyouonthisSunday!Mandy:A.That’sagoodidea.ShallIbringanything?B.Wow!Howamazing,Ican’twaitforit!C.Seeyou!D.Ihaven’tdecidedyet.Whataboutyou?E.Howaboutgreentea?

正确答案:D

— We’d be pleased if you could join us for dinner.

正确答案:B

— ____________________________________
A. That’s good

B. Thank you

C. Yes, I’d be pleased to accept.

正确答案:B

The bridge ______ two years ago.
A. is built

正确答案:A

B. built

C. was built

题干二、阅读理解阅读下面的短文,根据文章内容从A、B、C三个选项中选出一个最佳选项。WhenDr.RobertMetcalffirstusedasolarcooker,thefuturechangedformillionsofAfricans.Heknewthatbillionsofpoorpeoplearoundtheworlddependontheuseofwoodforcooking.Astheytakemoreandmorefirewoodfromwildareas.Theyaredestroyinghabitatsaroundtheworld.Woodcollectionisonereasonwhymanyanimalshavebeeendangered.“Butsunshinecanbeanalternativetofire.”Dr.Metcalfsays.Sincehisfirstsolarcookedmeal,hehashelpedpeoplearoundtheworldtousesimplenewtechnologiestocooktheirfood.EachmorninginvillagesacrossEastAfrica,smallchildrenandtheirmotherswakeupandwalkseveralmilestocollectfirewoodtocooktheirfood.Ittakesmuchoftheday,andtheheavyfirewoodtheycarryhomeontheirheadslastsonlyafewdays.ThisiswhyDr.MetcalfspendseachsummerinAfrica.Heteacheswomenandchildreninvillageshowtocookwiththesun.Sofar,morethanthirtythousandAfricanfamiliesnowhavesolarcookers,andnewprogramswillintroducesolarcookerstomillionsoffamilies.Tofindwater,womenandchildrenmayhavetowalklongdistancetodigholesindryriverbedsortogatherwaterfromstreamsandshallowwells.Theyfilltheirbuckets(桶)andcarrythemhomeontheirheads.Thebucketsoftenweighasmuchasfortypounds.Notonlyisfindingwaterhardwork,butthewaterisoftenpollutedwithgerms(细菌)thatmakepeoplesick.Dr.Metcalfandothersdevelopedasimple,reusabletoolthatpeoplecanusetomakesuretheirwaterissafetodrink.ThetooliscalkedaWAPI,whichstandsfor“WaterPasteurizationIndicator”.ThepasteurizationprocessisnamedafterLouisPasteur,whodevelopeditinthe2100s.1.WhydidMetcalfhelpAfricansusesolarcookers?A.Hewantedtohelpthemtofightpoverty.B.Hefounditadangerousjobtocollectfirewood.C.Herealizedusingfirewoodisnotgoodfortheenvironment.2.Theunderlinedword“it”inthethirdparagraphprobablyrefersto””.A.collectingfirewoodB.cookingfoodC.cookingwiththesun3.EachsummerMetcalfstaysinAfricato.A.doresearchonwaterB.takecareofsickpeopleC.spreadthetechniqueofusingsolarcookers4.WaterPasteurizationIndicatorwasdevelopedto.A.killthebacteriainwaterB.honorLouisPasteurC.makewastewaterreusable5.Itcanbeinferredfromtilepassagethat.A.AfricansfindithardtolearntousesolarcookersB.womenandchildreninAfricausuallyleadahardlifeC.thewaterAfricansdrinkisnotcleanthoughitiseasytoget

正确答案:D

Solar cooking is a _______cooking method.
A. convention

正确答案:D

B. convenience

C. convenient

Nick _______ a job in a bank, but to our surprise, he didn’t take it.
A. has offered

正确答案:C

B. offered

C. was offered

— We’ve booked a table. We hope you can join us?

正确答案:D

— _________________________________
A. How can I resist such a gracious invitation!

B. Thank you.

C. OK.

Li Lei is___ student in our class.
A. tall

正确答案:A

B. the tallest

C. taller

People who do not have wood must spend large amounts of money ________cooking fuel.
A. on

正确答案:A

B. in

C. of

It was _______ to see the students’ excitement when they discovered that simple materials could be used to cook food under the sun and the solar cooking really attracts those creative kids.
A. amaze

正确答案:A

B. amazing

C. amazed

题干二、翻译从以下A、B、C三个选项中选出与英文最适合的中文翻译。1.Itisgettingmorepopularduetoitshighefficiencyanditsenvironmentalfriendliness.A.由于高效及环保的特点,太阳能锅越来越受到大众的欢迎。B.由于高效友好的特点,太阳能锅越来越受到大众欢迎。C.由于经济环保的特点,太阳能锅越来越受到大众欢迎。2.I’dlovetosharewithyoumynewkitchenware.A.我很喜爱与你分享我的新厨具。B.我很乐意和你分享我的新厨具。C.我很乐意平均分配我的新厨具。3.Iameagertoseethisnewdevice.A.我急切地想看到这个新设备。B.我很激动看到这个新设备C.我很乐意看到这个新设备。4.Peoplewhodonothavewoodmustspendlargeamountsofmoneyoncookingfuel.A.那些没有足够木材的人们得花费大量的钱来烧饭。B.那些没有足够多木材的人们得依靠大量的钱来购买烹饪燃料。C.那些没有足够木材的人们得花费大量的金钱购买烹饪燃料。5.Solarovensconsistofasystemofreflectorsandacookingpot.A.太阳能灶是由反射镜及烹饪锅系统组成的。B.太阳能灶是一个反射系统和一个锅C.太阳能灶利用了反射系统和烹饪锅。

正确答案:D

— Would you care to join for the picnic tomorrow

正确答案:C

— _________________________________________
A. So sorry. Next time we’ll go, thanks anyway.

B. No thanks.

C. OK, thank you.

This article deals with the natural phenomenon which _______ most interesting to everyone.
A. are

正确答案:C

B. they are

C. is

We _______ two railway tickets online this Monday.
A. looked

正确答案:D

B. took

C. booked

—- Excuse me. Can you tell me how to get to the Linden Street?

正确答案:D

—- _____________________________
A. You can’t ask me.

B. Pardon? I have no idea.

正确答案:C

C. Sorry, I’m new here.

The train______ just three weeks ____ plete a journey that _____ six weeks by sea.
A. spent…on;takes in to

B. pay…for;takes on to

C. took…to;takes up to

It was ___ who wrote those words on the blackboard.
A. him

正确答案:A

B. himself

C. he

With fortable seats and quiet cabins, this high-speed line______ a pleasant journey for thousands of travelers.
A. give

正确答案:C

B. take

C. offers

题干二、阅读理解阅读下面的短文,根据文章内容进行判断,正确为“T”,错误为“F”。Theworld’slongesthigh-speedrailwayroute,runningfromBeijingtoGuangzhou,hasbeeninoperationforafewyears.Itcutstraveltimebetweenthetwocitiesfrom22hourstoonly8hours.Withfortableseatsandquietcabins,thishigh-speedlineoffersapleasantjourneyforthousandsoftravelers.ThehighspeedrailwayconnectsBeijingwithfiveprovincialcapitals.Partoftheline,fromZhengzhoutoGuangzhou,wasinoperationbeforethewholelinewasconnected.TheopeningoftheBeijingtoZhengzhousectionhasconnectedtheentireline.Itcoversatotallengthof2,298kilometers.TheBeijing-GuangzhoulineconnectsonethirdofChina’spopulationandmorethan40percentofitseconomicpower.Travelersbenefitfromtheefficientnetwork,andfindthattheirhometownsarenotthatfaraway.AstheAmericanpublicationNewsweekputsit:Chinaisnowengagedina“railwayrevolution”.These350kilometerperhourhigh-speedrailwaytrainshavemadethecountry’svastterritory“substantiallysmaller”,andchangedthecountryeconomically.1.Theworld’slongesthigh-speedrailwayroute,runningfromBeijingtoGuangzhou,hasbeeninoperationforafewyears.2.Itcutstraveltimebetweenthetwocitiesfrom22hourstoonly6hours.3.TheopeningoftheBeijingtoZhengzhousectionhaslinkedwiththetotalroute.4.TheBeijing-GuangzhoulineconnectsonethirdofChina’spopulationandmorethan40percentofitseconomicpower.5.These350kilometerperhourhigh-speedrailwaytrainshavemadethecountry’svastterritory“considerablysmaller”,andchangedthecountryeconomically.

正确答案:A

Oh, that museum was the old Beijing Railway Station. It______ the history of China’s railway development.
A. exhibit

正确答案:C

B. display

正确答案:A

C. shows

I’d like to have some big apples instead of small _____.
A. it

正确答案:A

B. one

C. ones

Travelers _______ the efficient network, and find that their hometowns are not that far away.
A. profit from

正确答案:C

B. interest from

C. benefit from

题干二、翻译从以下A、B、C三个选项中选出与英文最适合的中文翻译。1.Johnandhisbrotherdifferinpersonalityeveniftheirdifferencesinagearenotsignificant.A.尽管约翰和他哥哥在年纪上相差很大,但他们的个性却不相同。B.尽管约翰和他哥哥在年纪上相差不大,但他们的个性却不相同。C.尽管约翰和他哥哥在年纪上相差不大,但他们的个性相同。2.Someofherpictureswereshowninanartexhibition(展览会)inShanghaiwhenshewas4yearsold.A.她的一些画就在上海的一个艺术展览会上展出。B.她在一个艺术展览会上展出她的画。C.四岁的时候她的一些画就在上海的一个艺术展览会上展出。3.Sincetheearthlookslikeaball,thesuncanshineononlyhalfofitatatime.A.太阳一次只能照到它的一半,地球看上去像一个球。B.由于地球看上去像一个球,太阳一次只能照到它的一半。C.地球看上去像一个球,太阳一次只能照到它的一半。4.FromtheEastCoasttotheWestCoastitisabout3,000mileswide.A.美国领土的东西宽度约为3000英里。B.美国领土为3000英里。C.美国领土的东西宽度为2000英里。5.It’sveryimportanttomaintainyourcurrentweightthroughexerciseandhealthyeating.A.非常重要的通过锻炼和健康饮食来保持你目前的体重。B.锻炼和健康饮食来保持你目前的体重是非常重要。C.通过锻炼和健康饮食来保持你目前的体重是非常重要的。

正确答案:A

题干二、阅读理解阅读下面的短文,根据文章内容从A、B、C三个选项中选出一个最佳选项。High-speedrailisatypeofrailtransportthatoperatessignificantlyfasterthantraditionalrailtraffic,usinganintegratedsystemofspecializedrollingstockanddedicatedtracks.Whilethereisnosinglestandardthatappliesworldwide,newlinesinexcessof250km/hrandexistinglinesinexcessof200km/hrarewidelyconsideredtobehigh-speed,withsomeextendingthedefinitiontoincludemuchlowerspeeds(e.g.160km/hr)inareasforwhichthesespeedsstillrepresentsignificantimprovements.ThefirstsuchsystembeganoperationsinJapanin1964andwaswidelyknownasthebullettrain.High-speedtrainsnormallyoperateonstandardgaugetracksofcontinuouslyweldedrailongrade-separatedright-of-waythatincorporatesalargeturningradiusinitsdesign.Manycountrieshavedevelopedhigh-speedrailtoconnectmajorcities,includingAustria,Belgium,China,France,Germany,Italy,Japan,Poland,Portugal,Russia,SouthKorea,Sweden,Taiwan,turkey,UnitedKingdom,UnitedStatesandUzbekistan.OnlyinEuropedoesHSRcrossinternationalborders.Chinahas16,000kmofHSR,accountingfor60percentoftheworld’stotal.Whilehigh-speedrailisusuallydesignedforpassengertravel,somehigh-speedsystemsalsoofferfreightservice.1.High-speedrailisatypeofrailtransportthatoperatessignificantlythantraditionalrailtraffic.A.fasterB.slowerC.asfastas2.Accordingtothepassage,whichofthefollowingistrue?A.thereisnosinglestandardthatappliesworldwide.B.thereisastandardthatappliesworldwideC.therearetwostandardsthatapplyworldwide3.WhendidthefirstsuchsystemwidelyknownasthebullettrainbeginoperationsinJapan?A.in1964B.in1966C.in19464.Theunderlinedword“freight”attheendoftheparagraphmeans.A.militaryB.cargoC.health5.Thebesttitleofthispassagewouldbe“”.A.TraditionalRailTrafficB.theBulletTrainC.High-speedRail

正确答案:B

—- ______________________________

—- Yeah. It is the only professional museum about the railway system in China.
A. Do you mind telling me where you’re from?

正确答案:D

B. Excuse me, sir. Where is the China Railway Museum?

C. Do you know the China Railway Museum?

正确答案:C

题干二、阅读理解阅读下面的对话,选择合适的内容将对话补充完整。LiQiangandhisbrotherwillgotoBeijing.HeistalkingtoWangNingabouttheplan.WangNingSo,you’regoingtoBeijingonSunday,LiQiang?LiQiangWebookedtworailwayticketsonlinethisMonday.WangThat’sreallycool!I’malwaysdreamingofgoingtoBeijing,seeingfamousplaceswithuniquebuildings,suchastheForbiddenCity,SummerPalace,etc.Li:.Wang:Oh,thatmuseumwastheoldBeijingRailwayStation.ItshowsthehistoryofChina’srailwaydevelopment..LiWhydon’tyoujoinus?WeareleavingonSunday..WangOk,thencountmein.Areyoutakingahigh-speedrailway?Li:.Besides,it’sfortable.A.AndtheChinaRailwayMuseumisamust.B.Youstillhavetwodaystogetyourselfprepared.C.Yes,mybrotherandIaregoingtogether.D.It’sworthvisiting.I’vebeenplanningtogoforavisitforalongtime.E.Yeah,thehighspeedrailwayisveryquickandconvenient.

正确答案:A

—- Wele back, Mr. Smith! How about your business trip in Japan?

—- ___________________________
A. Don’t ask me.

正确答案:A

B. I don’t like the Japanese food.

正确答案:C

C. Oh, fantastic! Mr. Mark is so satisfied with our project.

正确答案:B

—- I’m going to Hainan for my holiday.

正确答案:D

正确答案:C

—- ________________________
A. Have a nice trip

B. Not at all

C. thanks a lot.

He’s wearing a red shirt and _______ jeans.
A. paled

正确答案:D

B. dimmed

正确答案:C

C. faded

正确答案:B

—- ________________________ We are leaving on Sunday.

—- Yes, that’s a good idea.
A. Why don’t you join us?

正确答案:D

B. When shall I arrive at your home?

C. Can you tell me how to get to the Linden Street?

正确答案:B

The book ________ on this subject was written by an old female writer.
A. referring

正确答案:C

B. referred to

正确答案:D

C. referring to

— A: I can put you down for eleven o’clock. Is that OK?

正确答案:C

— B:
A. Yes, we could.

B. Friday is good.

正确答案:B

C. Oh, I’ll be having an interview that time. How about 3 o’clock in the afternoon?

— A: Could we make a tentative appointment for, say, this Saturday?

正确答案:A

—B:
A. Yes, you can.

B. Sorry, I don’t know. I am new here.

正确答案:B

C. That’s fine for me.

I have an appointment with Mr. Xie at about 10 o’clock tomorrow morning, but would you please it to sometime next week?
A. clarify

正确答案:B

B. plete

C. postpone

— A: Hello, Bill Burton speaking.

— B: Hello, Mr. Burton, this is Jenny Jenkins of Bradford and Sons returning your call.
A. Is that Jenny speaking?

正确答案:C

B. It’s my pleasure.

C. What can I do for you?

正确答案:C

My agenda is quite full for the whole week, so I can’t an appointment with you.
A. sign

正确答案:C

B. draw up

正确答案:C

C. make

题干二、阅读理解阅读下面的短文,根据文章内容进行判断,正确为“T”,错误为“F”。Inrecentyears,theChineseautoindustryhasseenrapidgrowth,withthedemandonprivatecarsrisingsharplyinChinesecitiessince2002.By2009,ChinahasreplacedtheU.S.tobeetheworld’slargestautomarket.Asanimportantpartoftheworldcarindustry,theglobalautoindustrywillshiftfurthertoChina.ThisbringshistoricalopportunitytoChina’sautomarket.Currently,boththedevelopmentofChina’sautomarketandthechangesinconsumerdemandforvehiclesareever-increasing.China’sautoindustrywillcontinuetogrowinthenextdecade.Itmeansthereisstillhugeroomforitsdevelopment.Chinahasanurbanpopulationofmorethan600million.Italsohasahugeagriculturalvehiclemarketintheruralareas.Hence,thereisnodoubtforChina’sdevelopmentofautoindustry.Thatisalsothereasonwhytheworld’sautoproducersarepayingmoreattentiontotheChinesemarket.1.ThedemandonprivatecarsincreasedgreatlyinChinesecitiessince2002.2.Chinahasbeetheworld’slargestautomarket.3.China’sautoindustrytendstodecreaseinthenextdecade.4.Chinahasanurbanpopulationoflessthan600million.5.Thereasonwhytheworld’sautoproducersarepayingmoreattentiontotheChinesemarketisthatChina’sautoindustrydevelopedveryquickly.

正确答案:D

There ________ a dolphin show in the zoo tomorrow evening.
A. is going to have

正确答案:C

B. was

C. is going to be

Jamie wants to speak to me private.
A. on

B. to

C. in

— A: I have an appointment with Mr. Xie at about 10 o’clock tomorrow morning, but would you please postpone it to sometime next week?

正确答案:A

—B:
A. No, thanks.

B. It’s my pleasure.

C. All right.

Seldom ________ his wife punishes her children for speaking out their own ideas freely.
A. I have seen

正确答案:A

B. do I see

正确答案:A

C. have I seen

题干二、阅读理解阅读下面的短文,根据文章内容从A、B、C三个选项中选出一个最佳选项。CarsareanimportantpartoflifeintheUnitedStates.Withoutacarmostpeoplefeelthattheyarepoor.Andevenifapersonispoorhedoesn’tfeelreallypoorwhenhehadacar.HenryFordwasthemanwhofirststartedmakingcarsinlargenumbers.Heprobablydidn’tknowhowmuchthecarwasgoingtoaffectAmericanculture.ThecarmadetheUnitedStatedanationonwheels.AndithelpedmaketheUnitedStateswhatitistoday.TherearethreemainreasonswhythecarbeessopopularintheUnitedStates.Firstofall,thecountryisahugeoneandAmericansliketomovearoundinit.Thecarprovidesthemostfortableandcheapestformoftransportation.Withacarpeoplecangoanyplacewithoutspendingalotofmoney.ThesecondreasoncarsarepopularisthefactthattheUnitedStatesneverreallydevelopedanefficientandinexpensiveformofpublictransportation.Long-distancetrainshaveneverbeenasmoninthecountryastheyareinotherpartsoftheworld.Nowadaysthereisagoodsystemofair-serviceprovidedbyplanes.Butitistooexpensivetobeusedfrequently.Thethirdreasonisthemostimportantone,though.TheAmericanspiritofindependenceiswhatreallymadecarspopular.Americansdon’tliketowaitforabus,oratrainorevenaplane.Theydon’tliketohavetofollowanexactschedule.Acargivesthemthefreedomtoscheduletheirowntime.AndthisisthefreedomthatAmericanswantmosttohave.ThegasshortagehascausedabigproblemforAmericans.Buttheanswerwillnotbeabiggersystemofpublictransportation.Therealsolutionwillhavetobeanewkindofcar,onethatdoesnotusesomuchgas.1.WecanlearnfromthispassagethatAmericans.A.spendalotofmoneytravelingbycarB.travelalotintheircarsC.seldomtravelbyplane2.WhichofthefollowingstatementsisTRUE?A.IntheUnitedStateseventhepoorowncars.B.IntheUnitedStatesallthepoorhavenocars.C.AnAmericanwillfeelpoorunlesshehasacar.3.Inthewriter’sopinion,carsarepopularintheUnitedStatesmainlybecause.A.AmericansliketoplantheirowntimeB.TheUnitedStatesdoesnothaveenoughpublictransportationC.Americanswillnotfeelpoorwhentheytravelintheircars4.“Anationonwheels”inthesecondparagraphmeansthat.A.everyoneintheUnitedStatesownsacarB.theUnitedStatesproducesmostofthecarsintheworldC.carsplayanimportantpartinAmerican’life5.Therealsolutiontothegasshortageproblemis.A.tomakelesscarsB.todevelopapublictransportationsystemC.tomakegas-savingcars

正确答案:A

How often to the dentist?
A. do you

正确答案:B

正确答案:A

B. you go to

C. do you go

正确答案:A

In learning a foreign language, one should first pay attention speaking.
A. within

正确答案:A

B. on

C. to

— A: I have many questions about studying abroad.

正确答案:C

— B: Would you like to make an appointment?
A. It doesn’t matter.

正确答案:A

B. Is that OK?

C. Let’s say Wednesday afternoon at two?

正确答案:D

— ________ you ________ free tomorrow?

— No. I ________ free the day after tomorrow.
A. Are; going to; will

正确答案:C

B. Are; going to be; will

C. Are; going to be; will be

Support facilities for electric cars, such as charging stations, have been built or are the process of being built in many cities across the country.
A. to

B. on

C. in

题干二、阅读理解阅读下面的短文,根据文章内容从A、B、C三个选项中选出一个最佳选项。CarcrashesarethetopkillerofAmericanteenagers.Mostofthecrashesresultfromdistracteddriving—notpayingattentiontotheroad.RyanDidonewasafifteen-year-oldpassengerinacarthathitatree.Hewasoneofthenation’smorethanthirtythousandvictimsoftrafficcrashesin2008.Nearlyfourthousanddeaths,abouttwelvepercentinvolveddriversagefifteentotwenty.Ryan’sfather,ThomasDidone,isapolicecaptaininMarylan.”Itwasaninexperienced,immaturedriverdrivingatnightwithacarloadofkids.Hewasdistracted,hewasgoingtoofast,anditendedupcausingonedeathandsomeseriouslyinjured.”Hesharesthestoryofhisson’sdeathtohelpeducateteensandtheirfamiliesaboutdistracteddriving.JimJenningsfromtheAllstateInsuranceCompanysaysthenumberonecauseofdistracted-drivingaccidentsisthemobilephone.Hesaystalkingonthephoneorreachingforitislikedrinkingfourbeersanddriving.”Ifyou’retextingwhiledriving,youaretwenty-threetimesmorelikelytogetintoanaccidentthansomebodywhoisn’t.”Governmentandprivategroupsareusingpublicserviceannouncementsandeventstobringmoreattentiontotheproblem.Forexample,theinsuranceindustryrecentlyheldasafetyeventforteendrivers.Atfirst,nineteen-year-oldKevinSchumanneasilyavoidedlarge,inflatabledollsthrowninfrontofthecartorepresentchildren.Healsoavoidedorangeconesrepresentingtheedgeoftheroad.Then,aspartofthetest,hestartedtexting.Hehitseveralconesandatleastonedoll.”That’swhatreallyopeneduptheexperienceformetoprovehowbaditistoreallytextanddrive.”DebbiePickfordofAllstateInsurancesaysteensareespeciallyatriskfromdistracteddriving—andnotjustbecausetheylackexperienceontheroads.”Accordingtotheresearch,teensdon’treallyhavefullydevelopedbrainsuntilthey’retwenty-fiveyearsold.Youputthosetwothingstogetherandyougetamuch,muchhigherrisk.”Anewlawproposesagraduateddriverlicensingsystem.Graduatedmeansteenagersstartwithrestrictionslikeonnightdrivingandnumbersofpassengers.Theycouldnotgetafulldriver’slicenseuntilageeighteen.1.Accordingtothepassage,isthemostlikelytoleadtoatrafficaccidentwhileyouaredriving.A.textingonthemobilephoneB.reachingforacellphone.C.talkingonthemobilephone2.Wecanlearnfromthesecondparagraphthat.A.driverswhoresultedinnearly4,000deathsareteenagersB.over30,000victimshavediedfromtrafficcrashessofarC.itwasatnightthatRyanDidonediedfromacaraccident3.Asafetyeventheldbyinsuranceindustrywasmeantto.A.attractmoreteenagerstotakepartinitB.drawenoughattentiontoteenagers’distracteddrivingC.makemoreteenagerspracticeavoidinglargebarriers4.Thepassageisprobablyfollowedbyaconcludingparagraphabout.A.muchhigherriskB.teenbraindevelopmentC.measurestobetaken5.Ofallthefollowing,whichisthebesttitleforthepassage?A.CarCrashes—theTopKiller.B.DistractedDriving—Let’sAvoid!C.DrunkenDriving—DangerousEnough!

正确答案:B

We are all for your suggestion that the trip ________ .
A. was put off

B. is to put off

C. be put off

题干二、阅读理解阅读下面短文,选择合适的内容将短文补充完整。AwelespeechA.setnewgoalsB.keepgrowingC.takethisopportunitytoD.madetherightdecisionE.mygreathonorIamPeter,Salesmanagerofthepany.Firstofall,Iwouldliketoweleyoutoourpany.Ourpanyisoneoftheleadingpaniesintheelectriccarindustry.Iamsureyouwillbeproudofbeingamemberofourpany.Itisalwaystokeepthebusinessgoing.Weneedtoforourselvesallthetime.Asyouarefresh,energeticandequippedwithnewknowledgeandnewideas,soonyouwillrealizethatyou’vetojoinus.Workhard,notonlyforourpanybutalsoforyourself.That’stheonlywayforyouandourpanyto.AgainIwouldliketoweleyouandfromtodayon,let’sworktogetherandsucceedtogether.

正确答案:B

— Oh, no, Frankly speaking, I seldom do online shopping.
A. Do you got any good deals?

正确答案:C

B. I bought many good deals online.

正确答案:C

C. Got any good deals?

正确答案:C

________ is known to the world, Mark Twain is a great American writer.
A. That

正确答案:C

B. Who

C. As

Listen to the two girls by the window. What language ?
A. were they speaking

正确答案:B

B. did they speak

正确答案:D

C. are they speaking

If he persists ?awkward ?questions, then ?send him to the ?boss.
A. to be asked

正确答案:D

B. to ask

C. in asking

— Susan ,what do you think of my plan?

正确答案:C

— _______________
A. It’s reasonable .

B. It’s pleasant.

C. It’s possible.

— A: are the most popular things people buy online?

— B: Definitely, clothes.
A. How do you think

正确答案:A

B. How about

C. What do you think

正确答案:A

I’m a business trip for APEC summit, sir.
A. for

B. in

C. on

I suppose you know everything about that event, ________ ?
A. do you

B. do I

正确答案:A

C. don’t you

正确答案:A

题干二、阅读理解阅读下面的短文,根据文章内容从A、B、C三个选项中选出一个最佳选项。AirpollutionPeopleandairpollutionareofteninthesameplaces.Thismeansthatcitieswithlargepopulationshavethebiggestproblemofdirtyair.Airpollutioniscausedbymanydifferentthings.Amajorkindofairpollutionisthegasfromcars.Statistics(统计资料)showthat93percentofallautotripsarewithincities.Anothermajorkindofdirtyairistheburningofcoalandoilforenergy.Thisenergyisneededtomakeelectricity.Ofcourse,muchmoreelectricityisusedinthecitythaninthecountry.Ontheaverage,wethrowawaymorerubbishthantheyearbefore.Theburningofrubbishmakesairpollutionevenworse.Manymajorindustriesarealsoresponsibleforthedirtyairinthearoundcities.Thefumes(烟)fromiron,steel,chemical,andpetrolproductionaddparticles(微粒)totheair.Theeffectsofairpollutionrangefrommildheadachestodeath.Thelevelsofpollutionfoundinheavytrafficmaycauseheadachesforlossofclearvision.Wherevercoalandoilareusedforfuel,fumesmaykilltreesandplantsandcausemetaltocorrode(腐蚀).Insomeofthelargercities,thesefumesendangerthelivesofhumanbeingsbycontributingtolungdiseasesandcausingearlydeath.1.Thekeypointofthepassageisthat.A.thecauseofairpollutionispeopleB.thecausesandtheeffectsofairpollutionarebothfoundincitiesC.theeffectsofairpollutionrangefromheadachestodeath2.Whatisthepurposeofthispassage?A.topersuadepeopletostoppollutingtheairB.totellthecausesofairpollutionC.totellwhycitiesarebadplacestolive3.Whyisairpollutionmoregraveinthecitythaninthecountry?A.Becausetherearelargerpopulationsincities.B.Becausetheairinthecityisdirty.C.Becausetherearemuchmoregasfumesfromcarsandburningofcoalandoilforenergyinthecitythaninthecountry.4.Thefumesfromcoalandoilmaycausemetal.A.tocorrodeB.totwistC.toturnblack5.Inlargercities,thefumesfromcoalandoilmaycontributeto.A.heartdiseaseB.lossofclearvisionC.lungdiseases

正确答案:D

— We have to stay at home for a whole day. Why not go out and have a walk?

正确答案:C


A. It like a good idea.

正确答案:D

正确答案:C

B. How is a good idea.

C. It sounds like a good idea.

For days, smog persisted in many areas. China is to control air pollution.
A. take measures

正确答案:D

B. doing business

正确答案:D

C. taking measures

— I mean the best way is using your own mobile phone or puter to operate it.
A. What do you think?

正确答案:B

正确答案:D

B. How do you think?

C. What do you mean?

正确答案:D

题干二、阅读理解阅读下面短文,选择合适的内容将短文补充完整。A.tocookorheatyourhomeB.checkedregularlyC.toreduceairpollutionD.UselesselectricityE.RaisinganysortoflivestockMan-madeairpollutionmainlyesfromtwosources:mobileonesandstationaryones.Mobilesourcesarecars,planes,boats,etc.Stationarysourcesincludelargefactories,powerplantsandeveryhousehold,whichburnsnaturalgasorwood.Themostimportantwaysaretodriveless,uselesselectricityandnaturalgas,andeatvegetarian.Theseideasareeasytofollow:1.Getyourcartomakesureeverythingworksproperly.Wheneverpossible,walk,cycle,carpool,orusepublictransportation.Buyfuel-efficientvehicles.Driveat60mphorlesstoimprovegasmileage.2.Burnlessnaturalgas.Instead,useasolarcookerorheaterandwearextralayers.3.Beeavegetarianoravegan.requiresmorelandandemitsmorecarbondioxidethansimplygrowingcropsdirectlyforhumanfood.4..Coalpowerplantsproducemostoftheworld’selectricity,andtheyalsoproducemorecarbondioxidethananyothersource.Coalplantsalsoreleasemanyotherpollutants.Unplugtelevisions,cellphonechargers,andotherapplianceswhilenotinuse.Mostdevicescontinuetousesmallamountsofpowerevenwhenthey’returnedoff.Avoidusingairconditioning,anddon’tleavethefridgeopenanylongerthannecessary.Onlyruntheclotheswasherordishwasherwhenfull.Ratherthanusingadryer,hangclothesonalinetodryinthesun.

正确答案:D

Cleaner heating system will in Beijing to control air pollution.
A. be established

B. be covered

C. be sent

Miss Liu doesn’t mind _______ your homework as long as it is done by yourself.
A. your delaying handing in

正确答案:B

B. you to delay handing in

正确答案:C

C. your delaying to hand in

正确答案:A

Have you filled in the application form your passport yet?
A. for

正确答案:B

B. of

C. in

There is no doubt __________Herbert is the most industrious student in our class.
A. that

正确答案:B

B. whether

C. what

You can ask these experts __________advice in job hunting?
A. over

正确答案:D

B. on

C. for

题干二、阅读理解阅读下面的短文,根据文章内容进行判断,正确为“T”,错误为“F”。WhenafewcollegestudentsjokinglydeclaredNov.11aNationalSinglesDayinthe90sinChina,theywouldneverbeabletoimaginethattheywerecreatingthebiggestonlineshoppingspreeintheworld.Itstartedasawayforyoungpeopletomakefunofthemselvesasbeingsingleandinviteothersinglefriendstohavefunatbars,restaurantsandkaraokerooms.Theychose11/11because1istheloneliestnumber,etc.Thenbusinessesbegantotakenotice.In2009,onlineretailgiantAlibabaannounceditwouldbesellingeverythingathalfpriceontaobao.onNov.11.ItwasthefirsttimeforChinesesinglemenandwomen,andindeedmarriedpeople,too,toenjoythehugediscountsinonlineshoppingontheSinglesDay.Overthelastfewyears,Alibaba,JDandotherChinesee-mercepaniesallexpandedtheirone-daydiscounts,andsalesgrewdramatically.In2014,AlibabaGroupscored$5.71billiononNovember11,settinganewrecordforthee-mercegiantsinceitstartedtheSinglesDaysalesfiveyearsago.Thatwasmuchhigherthanthebined$3.7billiononlinesalesofThanksgivingDay,BlackFridayandCyberMondayfromdesktopputersintheU.S.A.1.In2009Alibababegantoselleverythingathalfpriceattaobao.onNov.11.2.SomepanieslikeAlibabaexpandedtheirtwodaysdiscountsandsalesgrewdramatically.3.In2014,Alibabascored$4.71billiononNovember11.4.ThanksgivingDayhasgotthebestselling。5.Theychose11/11because1istheloneliestnumber.

正确答案:A

___________ you busy with the Singles Day?
A. Will

正确答案:B

B. Be

C. Are

题干二、阅读理解阅读下面的短文,根据文章内容进行判断,正确为“T”,错误为“F”。Ofallthewebsites,onethathasattractedattentionrecentlyismyspace..Mostofthisattentionhasefromthehacksisindeedatoughreality,shuttingdownthesiteisnottheanswer.Ifmyspace.shutdown,anothersitewouldplace.Therefore,therightwayistoteachteenshowtousethesitesafelyandeducatethem.Oneofthegoodwayistochangetheprivacysettingonyourprofileto“private”actuallyposttheirhomeandschooladdresses,dateofbirth,andsoon,oftenpredatorsknowexactlywheretheywillbeThemostinformationthatissafeisyourfirstnameandprovince.Anythingmoreisbasicallylife.Anotherbigproblemisphotos.Isuggestskippingphotosandneverpostingaphotoofafriendonlinewithouthisorherhowwellyouthinkyouknowthisperson.Therearenoguaranteesthattheyhavetoldthetruth.1.Mostofthisattentionhasefromthehacksisindeedatoughreality,shuttingdownthesiteisnottheanswer.2.Oneofthegoodwayistochangetheprivacysettingonyourprofileto“private”actuallyposttheirhomeandschooladdresses,dateofbirth,andsoon.3.Ifmyspace.shutdown,anothersitewouldplace.Therefore,therightwayistoteachteenshowtousethesitesafelyandeducatethem.4.Anotherbigproblemisphotos.Isuggestskippingphotosandpostingaphotoofafriendonlinewithouthisorherhowwellyouthinkyouknowthisperson.5.Therearenoguaranteesthattheyhavetoldthetruth.

正确答案:B

题干二、阅读理解阅读下面短文,选择合适的内容将短文补充完整。LeaveAMessagetotheSellerA.toorderB.WangLiC.numberD.sellerE.InadditionDear,I’dlikeanOchidress,theoneonyourtopsalelist.ThearticleIneedis115208.,Ilikethewhitecolor.Itwouldbegreatifcouldoffersomelittlebonuswiththeorder.Lookingforwardtoreceivingtheproductassoonaspossible,Ihopeyourearlyshipment.Yoursconsumer,

正确答案:C

All the trees______ last summer.
A. are planting

B. planted

C. were planted

Now tell me, how can you separate yourself ____the other person?
A. out

B. with

C. from

The Prize in Economics ______ in 1968, that is, more than half a century ago.
A. establish

B. established

C. was established

You know, online shopping has so many ______.
A. advantage

正确答案:D

B. advantaged

正确答案:A

C. advantages

正确答案:D

He __________ a book when the telephone rang.
A. read

B. was reading

正确答案:D

C. reads

正确答案:A

Besides, you need to protect your password, because all the transaction _______ through your bank account.
A. is fetched

正确答案:A

B. is brought out

C. is carried out

正确答案:C

Separate passwords for every account make __difficult for cyber criminals to hack you.
A. what

正确答案:B

B. that

C. it

题干二、阅读理解阅读下面的短文,根据文章内容进行判断,正确为“T”,错误为“F”。Anebook(alsoreferredtoasanelectronicbook,eBook,ore-book)isadigitalversion(版本)ofaprintbookthatyoudownloadandread.Butifyouwanttoreadanebook,youmusthaveanEbookReader,whichisakindoffreesoftwareusedbyyourputer.MakesureyouhaveinstalledtheappropriateReaderbeforeyoudownloadyourebookfromtheInternet.Thesoftwareallowsyoutoturnthewordsonthescreenintothesizeyoulike.Italsohelpsyouturnpagesandchangeyourviewingoptions(计算机屏幕上的阅读选择)Ebooksareafunalternativetoregularbooks.Youcandownloadthemtoanyputersandcreateyourownlibraryofhundredsoftitles.Ifyouloadthemontoyourportableputer,youcantakethemwithyouwhenyoutravel.Someebooksareeveninteractive!Bestofall,whenyouorderanebook,theirisnowaitingandnoshippingcharges.Theamountoftimeittakestodownloadyourebookdependsonthespeedofyourconnectionandthesizeofyourebook.1.Fromthispassage,welearnthatanebook.A.canbefoundinanylibraryB.canbereaddirectlyfromtheInternetC.canbereadwhenspecialsoftwareisinstalled2.TheEbookReaderisusedfor.A.readinganebookyou’vedownloadedB.turningaprintbookintoadigitalversionC.downloadinganebo0kfromtheInternet3.Fromthispassage,wecanlearnthat.A.youcanreadanebookonalaptopwhenyoutravelB.youcanorderanebookusingtheEbookReaderC.theebooksorderedhavetobeshippedtoyou4.WhichofthefollowingstatementsisTRUE?A.Anebookisorderedinthesamewayasaprintbookis.B.Thesizeofthewordsinanebookcannotbechanged.C.Thedownloadingtimeisdecidedbytheebook’ssize.5.Thepassageismainlyabout.A.abetterwaytodownloadanEbookB.anewkindofbook-theEbooksC.thenewversionofEbooks

正确答案:D

You can buy almost everything, _______ you have access to the Internet and enough money.
A. as long as

正确答案:D

B. so large as

C. as big as

题干二、翻译从以下A、B、C三个选项中选出与英文最适合的中文翻译。1.Thestudyshowsthatourputersaresuperiortothoseofourpetitorsintermsoffunctionsandspeed.A.研究表明,我们的计算机在功能和速度两方面都优于我们的竞争对手。B.研究表明,我们的计算机与我们竞争者的产品在功能和速度方面有差异。C.研究表明,我们的计算机在效率和速度方面都与其它厂商不同。2.Useoftheoverchargeonyouraccountandwehavecontactedthestoreonyourbehalfandareawaitingtheirreply.A.承蒙告知您受到恶意透支的指控,我们已经派代表与商店联系并正在等待回音。B.承蒙告知您的帐户存在问题,我们已经和商店联系过并正在等待他们的回答。C.承蒙告知您的帐户被多扣款一事,我们已代您与商店联系,正在等待他们回复。3.Thoughtechnicallyquiteadvancedtoday,theInternetisfarfrombeingpopularwithaveragehouseholdusersinsomedevelopingcountries.A.尽管互联网技术现在已经很先进,但在一些发展中国家还未受到家庭用户的广泛青睐。B.很先进,但在一些发展中国家还远远没有普及到一般家庭。C.尽管今天科学技术已经很先进,但在一些发展中国家互联网离大众的生活还是很远。4.Youcanbuyalmosteverything,aslongasyouhaveaccesstotheInternetandenoughmoney.A.只要有网络和足够多的钱,你可以通过网络买到任何东西。B.如果你有网络和钱,就可以买到任何东西。C.只要有网络和足够多的钱,你就可以买到任何东西。5.Whenindoubt,it’sbesttodeleteorifappropriate,markasjunkitem.A.当有疑问,最好是立刻删除,或者,如果合适的话,标为垃圾信息。B.一旦有疑问,最好是立刻删除,或者,如果合适的话,标为垃圾信息。C.一旦有疑问,最好是立刻删除,或者,合适的话,标为垃圾。

正确答案:D

It is easy to get the software we need ______ the market is small.
A. so that

正确答案:A

B. as if

C. although

题干二、阅读理解阅读下面的短文,根据文章内容进行判断,正确为“T”,错误为“F”。A4yearKid,whodoesnotknowwhatanEmailoraChatAppis,praystoGod:“Hey,Lord,Pleasemakemeasmartphone”.ThisyoungkidisaskingsuchawishfromGod,becauseheseesthathisparentsathomearepletelygluedtothismagicaldevicecalledsmartphoneandhasnotimetolookupathim.Thesmartphoneisgettingmoreattentioninthehousethanthechild.Hisparentsarepresenttherephysically,buttheirmindsaresomewhereelse.It’ssotruethatthisdevicehasbeeaninseparablepartofourdaytodaylife,andweareaddictedtoit.Wewillstartfeelingrestlessifwedonotlooktoourphoneafterafewminutes.Wereactfastertoaphonebeeporamessageparedtoacallbyafamilymemberfromadifferentroom.Weallneedtoeoutofthishead-downsyndrome.Weallneedtoconnectandmunicateinrealworld.Weneedtoputthistechnologytogooduseandnotbeeaslave.Sowhatshallwedo?It’ssimple:thesolutioniscalled“digitalbreak”.Thismeans,whenyoureturnhomefromwork,yousimplyturnofformuteallyourdigitaldevicesforafewhourseveryday,oratleastonceinawhile.Whatdoyoudothen?Youcanshareyourtimewiththefamily,chattingwithyourwifeorhusband,playinggameswithyourkids,doingthingswithotherfamilymembers,etc.inreallife.Youwillsoonrealizetheworldoutsidethesmartphoneismuchmoreenjoyable1.Thekidis5yearsold.2.ThekidaskedGodforasmartphone.3.Smartphoneshavebeeaninseparablepartofourdailylife.4.Weallneedtoconnectandmunicateinvirtualworld.5.Theonlysolutiontothehead-downsyndromeiscalled“digitalbreak.

正确答案:A

We must find a way to cut prices______ reducing our profits too much.
A. despite

正确答案:B

B. with

C. without

You can go to Mobile Joker Store, ______ is the nearest mobile phone store from here.
A. where

B. who

C. which

— Would you like a glass of wine?

正确答案:D

— _____________ I don’t drink.
A. Yes, please.

正确答案:D

B. I don’t like it.

正确答案:B

C. No, thanks.

— Excuse me, officer. I can’t find the subway entrance. ______

正确答案:D

— See those glass doors? Go in and you will see it on your right.
A. Where is it?

正确答案:B

B. Show me the way?

C. Can you help me?

— Excuse me, can you tell me where the nearest bus stop is?

— I’m sorry, I have no idea. I ______.
A. don’t know

正确答案:D

B. am new

C. am a stranger here

We support the view that poor management will ______ business failure.
A. take in

B. break up

C. lead to

正确答案:A

The job is great in terms of salary. It has its disadvantages, .
A. however

正确答案:D

B. even

C. though

She didn’t know______ to express her ideas in English clearly in public.
A. which

正确答案:D

B. why

C. how

题干二、阅读理解阅读下面短文,选择合适的内容将短文补充完整。Fillintheblanksofthefollowingletterwithgivensentencesinthebox.,mobilephonesarebeingmoreandmorewidelyused.It’ssmallinsize,,offeringfastandconvenientserviceformunication.It’sofmulti-function..Inrecentyears,Quiteafewusethematschooltokeepintouchwiththeirfamiliesandfriendsinsteadofwritingletters,which,ofcoursebringsconveniencetothem.ButIdon’tthinkit’sgoodtodoso.,studentusersoftenwastealotoftimechattingoverthephoneintheirsparetime,someevenusethemtocheatinexams.Inaddition,mobilephonebillisalsoaheavyburdenonstudents’families.

正确答案:B

题干二、阅读理解阅读下面短文,选择合适的内容将短文补充完整。Doyouknowhowtouseamobilephonewithoutbeingrudetothepeoplearoundyou?Talkingduringaperformanceirritates(激怒)people.Ifyouareexpectinganemergencycall,sitneartheexitdoorsandsetyourphonetovibrate(振动),.Wheneatingatarestaurantwithfriends,.Thisconveysthemessagethatyourphonecallsaremoreimportantthanthosearoundyou.Mobilephoneshavesensitivemicrophonesthatallowyoutospeakatthevolumeyouwouldonaregularphone..Ifyouarecallingfromanoisyarea,.Manypeoplebelievethattheycan’tlivewithouttheirmobilephone.,butlimityourconversationstourgentonesandsavethepersonalcallsuntilyouareathome.

正确答案:B

— ______ will it take me to walk there?

— About ten minutes.
A. How far

B. How much

C. How long

______the weather improves, we will suffer a huge loss in the tourist industry.
A. While

正确答案:D

B. As

C. Unless

They also have a camera ______allows you to take and share photos and video.
A. when

正确答案:B

B. which

C. where

His parents are present there ______, but their minds are somewhere else.
A. psychologically

正确答案:D

B. apparently

C. physically

题干二、翻译从以下A、B、C三个选项中选出与英文最适合的中文翻译。1.Themobilephonestoreisaboutfivehundredyardspastthegym,onyourleft.A.手机商店在健身房的左边,离你500步。B.手机商店大概离健身房500步,在你的左手边。C.手机商店往左拐,然后再走500步。2.NowonderIgotlost.Iwasheadinginthewrongdirection!A.怪不得我迷路了,原来是我走错方向了!B.我走错方向了,钱包也丢了。C.难怪我会丢钱包,原来是放错位置了。3.Itseemsthatthere’snothingimpossiblewiththelittlemobilephone.A.看来这台小小的智能手机无所不能。B.这智能手机太小,什么事都干不成。C.这智能手机不是任何事都能干。4.TheSmartphoneisgettingmoreattentioninthehousethanthechild.A.在这个家里,智能手机正在比这孩子得到更多的关注。B.在这个家里,孩子更关注智能手机。C.孩子在家更关注智能手机。5.Weallneedtoeoutofthishead-downsyndrome.A.我们都需要摆脱这种低头综合征。B.我们都需要走出这种低头综合征。C.我们都需要改变摇头的习惯。

正确答案:C

— Forgotten something? I can keep an eye on your kids if you want to go and get it.

正确答案:C

— _______ Thank you all the same.
A. I might as well go and get it.

正确答案:B

B. Oh, how careless of me!

C. Well, I can do without it.

正确答案:B

题干二、阅读理解阅读下面的短文,根据文章内容从A、B、C三个选项中选出一个最佳选项。Mobilephonehasbeeaproblemformiddleschools.SomemiddleschoolsinAustraliahavebanned(禁止)studentsfromcarryingmobilephonesduringschoolhours.Mobilephoneuseamongchildrenhasbeeaproblemfortheschoolthisyear.SeveralchildrenhavegotmobilephonesasChristmasgifts,teacherssaidmobilephoneuseisadistraction(娱乐)tostudentsduringschoolhoursanditalsogivesteacherssomuchtroubleintheirclassrooms.Teacherswerealsosayingthatsometimesstudentsmightusephonemessages(消息)tocheatduringexams.Shesaidsomeschoolshadtriedtobanmobilephones.Someparentsfeltunhappybecausetheycouldn’tgetintouchwith(与…联系)theirchildren.Manyteacherssaidstudentsshouldnothavemobilephonesatschool,butiftherewasagoodreason,theycouldleavetheirphonesatschooloffice.Theyalsosaidthereweremanyreasonswhythestudentsshouldnothavemobilephonesatschool:theywereeasytoloseandwereadistractionfromstudies.Manypeoplesaythattheyunderstandwhyparentswouldwanttheirchildrentohavephones,buttheythinkschoolsshouldletthestudentsknowwhentheycanusetheirmobilephones.1.SomemiddleschoolsinAustraliahavebannedstudentsfromcarryingmobilephones.A.becausetheyarestudentsB.whentheyarefreeC.whentheyareatschool2.Weknowfromthepassagethatsomechildrengetmobilephonesfrom..A.themakersandsellersB.thepassers-byandstrangersC.theirparentsandfriends3.Whatdoestheunderlinedwordcheatmeaninthepassage?.A.聊天B.作弊C.查询4.Someparentsfeltunhappybecausetheycouldn’tduringschoolhours.A.usetheirmobilephonesB.getintouchwiththeirchildrenC.helptheteacherswiththeirwork5.Thepassagetellsusthat.A.studentsshouldn’thavemobilephonesatschoolexceptforsomespecialreasonsB.itisimpossibletobanstudentsfromusingmobilephonesatschoolC.someparentsfeltunhappybecausetheycouldn’tusetheirphonesatschool

正确答案:A

You will soon ______ the world outside the smartphone is much more enjoyable
A. release

正确答案:B

B. realize

C. return

[电大代做]国家开放大学学习网 ligongyingyu1 网上在线形作业多选题答案

正确答案:D

题干二、阅读理解阅读下面的对话,选择合适的内容将对话补充完整。MaryJohnson:Goodmorning,Mr.Liu!Howgoodtoseeyou!Haveyouhadanicejourney?LiuHua:Mary:MayIintroduceanoldfriendofminetoyou?TonySmithisanarchitectandhasaspecialinterestinbridgedesign.TonySmith:LiuHua:Howdoyoudo?Mr.Smith.Nicetomeetyou.Tony:Nicetoseeyou,too.Iknow,youarethedesignleaderoftheIsland&TunnelProjectoftheHongKong-Zhuhai-MacaoBridge.It’smyhonortomeetyouhere.LiuHua:Tony:Itissaidthatthebridgeisthelongestcross-seabridgeintheworld.Howlongisit?LiuHua:Sure.Youknow,thisbridgeconnectsHongKong,ZhuhaiandMacau.Ithasatotallengthof49.968km,ofwhich35.578kmwillbebuiltoverthesea.Tony:Mary:Itsoundsfantastic.Ialsowanttoseeitwhenit’sfinished.LiuHua:Noproblem,youarewele!Mary:Nowwe’llsendyoutothehotelandyoucantakearestthere.We’llhaveameetingonbridgedesigntomorrowmorning.LiuHua:Tony:You’rewele.A.Howdoyoudo?Mr.Liu.B.That’sgreat!IhopesomedayIcanwitnesssuchamiracle!C.Thankyouverymuchforyourhelp.D.Gladtoseeyou,too,Mary.Indeed,it’sbeenaverynicejourney.E.Thankyouverymuch.

正确答案:C

— It’s nice to meet you in my office.


A. I want to tell you it is fine today.

正确答案:D

B. I only meant to help you.

C. I am here today to discuss the trademark transfer with you.

正确答案:C

— I wonder whether I could accept this discount or not.

正确答案:A


A. Why not to consult with your manager?

B. Why don’t consult with your manager?

正确答案:B

C. Why not consult with your manager?

You are planning to export this product to Europe, ______?
A. don’t you

正确答案:A

B. are you

C. aren’t you

国开电大国家开放大学学习网 ligongyingyu1 网上在线形考作业国开电大历年参考题目如下:




国家开放大学ligongyingyu1 网上在线形考作业[答案]相关练习题:
魏忠贤倒台的主要原因

属于明适应过程是()。

  产品创新目的是( )。

企业资产负债表中应收票据及应收账款项目应列示的金额包括( )。

《母育学校》是专门研究0 ——6岁儿童教育的著作。

提出“5W传播模式”的美国传播学者是( )。

The pen is much cheaper than that one.

How did Rhett and Scarlett’s daughter die?

基金绩效收益率衡量的主要方法有( )。

《水力学(本科)》18年12月在线作业-0001

编制招标控制价时,材料价格应执行程造价管理机构发布的工程造价信息,工程造价信息没有发布的参照市场价。

在备电自投当中,中线可以不用切换、投入。

要求按指定路径保存建立个人文件夹,完成文件如下:(5分)

制定和执行公共政策的基本出发点是( )

养老基金属于契约储蓄型金融机构( )

当电话铃声响起的时候,最好在()声之内接听。

按商品是否需要包装,可以分为(    )。

( )应设置在幼儿室外活动范围以外,较为安静的地方。排除幼儿在观察时的外界干扰,同时也适宜家禽、家畜的生活。

布置操纵系统时,不应使操作人员经常处在工作最集中、操纵最频繁、容易出现故障和便于观察的部位。  (    )

( )的特点是利用有关的数学工具,为企业寻找一个有效的数量解,着重于用数学模型来解决管理的问题。

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