国开 汽车实用英语 网上在线形考作业[答案]

国开网 汽车实用英语 网上在线形考作业

正确答案:C

选择正确的词语意思independent front suspension
a. 直齿齿轮

正确答案:C

b. 催化转换器

c. 多缸发动机

d. 电控单元
a

正确答案:B

选择正确选项The function of the piston rings is to ________.
a. help cool the piston by transferring heat from the piston to the cylinder wall

正确答案:D

b. provide a sliding seal between the piston and cylinder wall

正确答案:C

c. all of the above

d. scrape oil off the cylinder wall as the piston moves down on the power and intake strokes.
a

正确答案:A

选择缩写意思正确的选项BDC
a. 直流

正确答案:C

b. 上止点

c. 下止点

d. 高强放电光束
c

正确答案:D

选词填空，使句子意思完整The rings will also have different _____ frequencies if you shake the board up and down instead of sideways.
a. symmetric

正确答案:D

b. collision

c. resonant

d. clumped

正确答案:C

选择正确的词语意思collide head on
a. 安全气囊

正确答案:C

b. 蒸汽回收控制

c. 曲轴箱强制通风

d. 迎面碰撞

正确答案:C

选择正确的词语意思drop center wheel rim
a. 驱动轴

正确答案:C

b. 排气管

c. 内燃机

d. 凹槽轮辋

正确答案:B

正确答案:C

选择缩写意思正确的选项SRS
a. 侧向加速

b. 安全气囊

c. 固定节流孔

d. 操纵灵敏

正确答案:D

选词填空，使句子意思完整His old clothes were all ____ together in a corner.
a. bounced

正确答案:D

正确答案:D

正确答案:A

正确答案:C

正确答案:D

正确答案:C

正确答案:B

正确答案:D

正确答案:A

正确答案:C

正确答案:A

正确答案:A

正确答案:C

正确答案:D

b. sealed

c. clumped

d. dissipated

正确答案:D

选词填空，使句子意思完整It is reported that two ships came into ______ and 9 people were killed.
a. split

正确答案:C

b. transient

c. collision

d. transient

正确答案:D

选择缩写意思正确的选项HID
a. 四轮驱动系统

正确答案:D

b. 电控单元

c. 高强放电光束

d. 电子制动力分配系统

正确答案:D

选择正确的词语意思macpherson strut-type suspension
a. 麦弗逊立柱型悬架

b. 废气再循环系统

c. 曲轴箱强制通风

d. 蒸汽回收控制

正确答案:A

选择缩写意思正确的选项DPA
a. 分配泵总成

正确答案:A

b. 加速防滑系统

c. 牵引力控制系统

d. 废气再循环

正确答案:C

正确答案:C

选择正确答案Today’s clutch designs sometimes make provision for two independent clutches: one for starting away from rest; the other for ______ .
a. all of the choices

正确答案:C

b. allowing engine braking

c. gear change

d. disconnecting the engine

正确答案:B

选词填空，使句子意思完整The pump ____ the tires automatically.
a. resonant

b. collision

c. inflates

d. frequencies

正确答案:B

In a head-on collision with a fixed obstacle at ______ km/h, a three-point seat belt can only offer limited protection.
a. 40

正确答案:B

b. 50

c. approx.60

d. above 40

正确答案:A

选择缩写意思正确的选项MPV
a. 四轮驱动系统

b. 运动型多用途汽车

c. 多用途汽车

d. 汽车导航系统

正确答案:C

正确答案:B

正确答案:D

选择缩写意思正确的选项HCCI engine
a. 牵引控制系统

b. 运动型多用途汽车

c. 均质预混合压燃发动机

d. 电子稳定性程序

正确答案:C

正确答案:D

选择缩写意思正确的选项DC
a. 监测

正确答案:B

b. 碰撞

c. 交流

d. 直流

正确答案:C

正确答案:A

选择正确选项Pistons for modern engines are made of _______.
a. aluminum-alloy

正确答案:B

b. cast iron

c. tin-alloy

d. steel

正确答案:D

选择正确选项During the power stroke, a force of up to 4000 pounds is suddenly applied to the piston head for _______ times a second.
a. 30 to 40

正确答案:A

b. 40

c. 70

d. 30

正确答案:D

选择正确答案The function of the _____ is to hold occupants in their seats when the vehicle hits an obstacle.
a. fast-acting lock

正确答案:C

b. seat belts

c. airbag

d. tightener

正确答案:A

选词填空，使句子意思完整The manager ______ his tie, ready now to relax.
a. bounces

正确答案:A

b. effects

c. slackens

d. inflates

正确答案:C

选词填空，使句子意思完整She wiped the ____off her forehead with a towel.
a. dilute

正确答案:D

正确答案:D

b. seal

c. resonant

d. sweat

正确答案:B

正确答案:D

选择正确选项The connecting rod is made of ______.
a. aluminum-alloy

正确答案:D

b. forged alloy steel

正确答案:B

正确答案:D

c. cast iron

d. sheet steel

正确答案:B

选择正确的词语意思straight-tooth gear-wheels
a. 润滑系统

b. 操纵性能

c. 独立悬架

d. 散热器

正确答案:C

选择正确的词语意思steering sensitivity
a. 操纵灵敏性

b. 加速防滑系统

c. 电子制动力分配系统

d. 固定节流孔

正确答案:B

正确答案:C

选择正确的词语意思side impact detection
a. 侧向加速度

正确答案:A

b. 非独立悬架

c. 侧面碰撞监测

d. 操纵灵敏性

正确答案:C

选词填空，使句子意思完整Just _____ the cake into three and leave one piece for Simon.
a. sweat

正确答案:A

b. split

c. clump

d. inflate

正确答案:A

选词填空，使句子意思完整The front of the church is pletely _____.
a. saturated

b. symmetric

c. collision

d. resonant

正确答案:A

选择正确的词语意思handling characteristics
a. 操纵性能

正确答案:A

b. 膨胀力

c. 汽缸壁

d. 气门导管

正确答案:D

正确答案:C

选词填空，使句子意思完整Heavy rains ____ fields and pastures.
a. saturated

正确答案:B

b. smashed

c. clumped

d. smashed

正确答案:A

正确答案:B

正确答案:D

选择正确的词语意思coefficient of friction
a. 排放控制系统

b. 换热器

c. 摩擦系数

d. 催化转换器

正确答案:C

正确答案:A

选择正确的词语意思intermediate shaft
a. 操纵灵敏性

正确答案:A

b. 侧向加速度

c. 软管和管路

d. 中间轴

正确答案:C

选择正确答案The _____ brake was adopted in a two-ton-plus automobile to safely stop from the 70m/h and 80m/h highway speeds of the time.
a. external expanding-band

正确答案:C

b. internal expanding-shoe

正确答案:D

正确答案:A

正确答案:A

c. service

d. disc

正确答案:A

选择正确答案 In a collision, the whole procedure of airbag’s inflation and deflation takes nearly _______ .
a. 0.1 minute

正确答案:B

b. 0.1 second

c. 1 minute

d. 1 second

正确答案:C

选择正确答案The ECU uses ______ to measure the deceleration due to the collision and calculate the change in speed.
a. the belt strap

正确答案:D

b. the acceleration sensor

c. the sensor connection

d. the airbag

正确答案:C

选择正确的词语意思dependent suspension
a. 驱动轴

正确答案:A

b. 变速箱

c. 非独立悬架

d. 水泵

正确答案:D

选词填空，使句子意思完整The water soon ______ in the sunshine.
a. warm-up

b. evaporate

c. transfer

d. positive

正确答案:C

正确答案:B

选择正确选项After the fuel system delivers air-fuel mixture to a cylinder, a (an) ______ ignites the mixture.
a. ignition system

正确答案:A

b. electric spark

c. spark plug

d. battery

正确答案:B

选择正确的词语意思jump across the gap of spark plug
a. 炭罐

b. 火花塞跳火

c. 非独立悬架

d. 余隙容积

正确答案:A

选择正确选项In both drum and disc brakes,_______ is used to connect the brake pedal to the brake parts at each wheel.
a. a starting system

正确答案:A

b. brake assembly

c. a hydraulic control system

正确答案:A

d. a braking system

正确答案:B

选择正确的词语意思emission control system
a. 短路

b. 火花塞跳火

c. 排放控制系统

d. 活性炭

正确答案:C

选择正确选项A spark ignition engine has one more basic system than Diesel engine to run, it is______,
a. lubricating system

正确答案:B

b. cooling system

c. ignition system

d. fuel system

正确答案:C

选择正确的词语意思driving system
a. 油底壳

正确答案:A

b. 制动系统

c. 发电机

d. 传动系统

正确答案:B

选择正确的词语意思clearance volume
a. 中间轴

b. 余隙容积（燃烧室容积）

c. 独立悬架

d. 操纵性能

正确答案:A

选择正确的词语意思turn through a half revolution
a. 迎面碰撞

b. 旋转半圈

c. 侧向加速度

d. 固定节流孔

选词填空，使句子意思完整The electrical charge can be either ______ or negative such that like charges repel and opposite charges attract.
a. positive

正确答案:C

b. dissipate

正确答案:A

正确答案:C

正确答案:C

正确答案:B

c. transient

d. independent

正确答案:C

选择缩写意思正确的选项TCS
a. 多用途汽车

b. 牵引控制系统

c. 稀燃极限

d. 牵引力控制系统

正确答案:C

选择正确选项With front drive arrangement or rear-wheel-drive arrangement, ______ transmit the power to the drive wheels.
a. gears

正确答案:B

b. diesel engine

正确答案:A

正确答案:D

c. piston engine

d. gears and shafts

正确答案:B

选择正确选项If you want to control the front wheel over various kinds of road conditions, you need learn to use_______.
a. steering gear

正确答案:A

b. final drive

正确答案:D

c. steering system

d. starting system

正确答案:A

选择缩写意思正确的选项ASR
a. 加速防滑系统

b. 分配泵总成

c. 汽车导航系统

d. 多用途汽车

正确答案:D

选择缩写意思正确的选项ECU
a. 稀燃极限

b. 电控单元

c. 侧向加速度

d. 加速防滑系统

正确答案:C

正确答案:B

选择正确的词语意思disc brake
a. 盘式制动

正确答案:B

b. 短路

c. 自动离合器

d. 气门座

正确答案:A

正确答案:B

选词填空，使句子意思完整 The pany is taking a new measure to ______ their export trade.
a. warm-up

正确答案:A

b. boost

c. positive

d. transfer

正确答案:B

选词填空，使句子意思完整The ball __________ twice before hitting the net.
a. effects

b. bounces

c. boosts

d. dilutes

正确答案:B

选词填空，使句子意思完整Who is responsible for the ______ of military supplies?
a. seal

b. evaporate

c. transfer

d. sweat

选择正确选项An automobile includes the following major categories: the body, the engine, ______ and the electrical system.
a. steering system

正确答案:D

b. chassis

c. power source

d. ignition system

正确答案:B

选择正确选项 ______ is used to separate drive from the engine to gearbox and to allow a smooth, progressive take-up of drive.
a. The clutch

正确答案:D

b. The transmission system

c. The drum brake

正确答案:C

正确答案:D

d. The shock absorber

正确答案:C

选择正确的词语意思spark ignition and pression ignition
a. 曲轴和凸轮轴

正确答案:D

b. 盘式制动

c. 排放控制系统

d. 点燃式和压缩式

正确答案:C

正确答案:D

选择正确的词语意思crankshaft and camshaft
a. 曲轴和凸轮轴

正确答案:A

b. 三元催化器

c. 正时延迟

d. 催化转换器

选择正确选项The ______ system is applied to prevent metal parts of the engine from rubbing against each other.
a. cooling

正确答案:C

b. lubricating

c. starting

d. emission control

正确答案:D

选择缩写意思正确的选项SUV
a. 多用途汽车

b. 四轮驱动系统

c. 运动型多用途汽车

d. 汽车导航系统

选词填空，使句子意思完整The demonstrations in London and Pairs happened ______.
a. bounces

正确答案:B

b. simultaneously

c. seal

d. dilute

正确答案:D

选词填空，使句子意思完整He was drinking a glass of wine ______ with water.
a. dilute

正确答案:D

b. dissipate

c. harshness

d. boost

正确答案:B

选择正确的词语意思multi-cylinder engine
a. 多缸发动机

正确答案:D

b. 油箱

c. 防冻液

d. 风冷系统

正确答案:B

选词填空，使句子意思完整Before the prehensive test, you’d better do some _______ exercise.
a. dilute

正确答案:D

b. bounces

c. warm-up

d. dissipate

正确答案:A

正确答案:B

选择缩写意思正确的选项EBD
a. 侧面碰撞监测

正确答案:C

b. 电子制动力分配系统

c. 迎面碰撞

d. 非独立悬架

正确答案:C

选词填空，使句子意思完整The cells have a series of ______ stages before they develop fully.
a. configuration

正确答案:A

b. transient

c. dragging

正确答案:A

正确答案:D

正确答案:C

正确答案:C

d. intermediate

正确答案:A

选词填空，使句子意思完整I have eaten too much. My stomach is _____.
a. bulging

b. dragging

c. independent

正确答案:A

正确答案:D

d. shielded

正确答案:B

选择正确的词语意思coolant
a. 偏心轮

b. 冷却液

c. 曲柄

d. 油泵

正确答案:D

选择正确的词语意思liquid water cooling system
a. 汽缸壁

正确答案:D

b. 皮带轮

c. 散热器

d. 水冷系统

正确答案:D

选词填空，使句子意思完整The republic was declared a fully ____ state.
a. clumped

正确答案:A

b. independent

c. collision

d. smashed

选词填空，使句子意思完整How much longer is the investigation going to______ on?
a. appreciable

b. herbal

c. surface

d. dragging

正确答案:C

选择正确的词语意思peripheral location of springs
a. 弹簧周向布置

b. 短路

c. 盘式制动

d. 点燃式和压缩式

选词填空，使句子意思完整This herbal medicine ______ a good cure for his disease.
a. boost

正确答案:B

b. dilute

c. effects

d. bounces

正确答案:B

选词填空，使句子意思完整Traveling two days on end, he felt sick because of the _____ of the road.
a. harshness

正确答案:B

b. resonant

c. sweat

d. smashed

选择正确选项The ______ system is used to reduce the air pollution caused by the engine.
a. emission control

正确答案:B

b. ignition

c. lubricating

d. starting

正确答案:D

选择正确的词语意思3-way catalytic converter
a. 气缸顺序

b. 离心力

c. 三元催化器

d. 弹簧周向布置

正确答案:D

选择缩写意思正确的选项ESP
a. 高强放电光束

b. 加速防滑系统

c. 下止点

d. 电子稳定性程序

选择正确选项The shortings of the petrol engine in the nineteenth century include the followings except ______.
a. no spark plug is used

正确答案:B

b. very expensive and not efficient enough

正确答案:D

c. high fire risk caused by petrol

正确答案:C

d. unreliable nature of the ignition system

正确答案:B

选择正确的词语意思centrifugal force
a. 发电机

b. 催化转换器

c. 分电器

d. 离心力

正确答案:A

选择正确的词语意思peripheral acceleration
a. 高强放电光束

b. 侧向加速度

c. 电子稳定性程序

d. 废气再循环

选择正确选项______ makes the piston to move up and down in the engine cylinder.
a. mechanical force

正确答案:D

b. pressure changes

c. atmospheric pressure

d. piston head

正确答案:A

选词填空，使句子意思完整That woman ____ her child with her body.
a. transient

正确答案:C

b. appreciable

c. shielded

正确答案:C

d. dissipate

选择正确选项In a four-stroke cycle, which one is actually doing work?
a. power stroke

正确答案:D

b. exhaust stroke

c. pression stroke

d. intake stroke

正确答案:D

选择正确选项The two basic types of fuel injection pumps used in the diesel engine are ______ and in-line type.
a. the diesel engine is ignited by the heat of pression not by spark

正确答案:B

b. Distributor Pump Assembly

正确答案:A

c. the diesel engine has a very high pression ratio

正确答案:B

d. the air is pressed in the sealed cylinder in the diesel engine

正确答案:D

选词填空，使句子意思完整Their happiness was to be sadly ______.
a. transient

正确答案:C

b. dissipate

c. evaporate

d. appreciable

正确答案:A

正确答案:A

选择正确的词语意思timing-retarded
a. 直齿齿轮

正确答案:C

b. 正时延迟

c. 操纵性能

d. 凹槽轮辋

选择缩写意思正确的选项LML
a. 四轮驱动系统

b. 固定节流孔

c. 安全气囊

d. 稀燃极限

正确答案:D

选择缩写意思正确的选项GPS
a. 压力润滑

b. 润滑系统

c. 排放控制系统

d. 汽车导航系统

选择缩写意思正确的选项TDC
a. 上止点

正确答案:A

b. 防抱死制动系统

c. 废气再循环

d. 加速防滑系统

选择正确的词语意思fixed orifice
a. 凹槽轮辋

正确答案:A

b. 固定节流孔

c. 摩擦系数

d. 直流

选择正确的词语意思cylinder order
a. 气缸顺序

正确答案:B

b. 换热器

c. 独立悬架

d. 正时齿轮

正确答案:B

选择缩写意思正确的选项EGR
a. 均质预混合压燃发动机

b. 高强放电光束

c. 废气再循环

d. 分配泵总成

正确答案:A

选择缩写意思正确的选项ABS
a. 换热器

b. 废气再循环

c. 牵引控制系统

d. 防抱死制动系统

正确答案:C

选词填空，使句子意思完整Her help has made an _____ difference.
a. transient

正确答案:D

b. dragging

c. bulging

d. appreciable

选择缩写意思正确的选项4WD
a. 安全气囊

正确答案:B

b. 四轮驱动系统

c. 多用途汽车

d. 运动型多用途汽车

正确答案:D

选择正确的词语意思valve seat
a. 风冷系统

b. 消声器

c. 机油滤清器

d. 气门座

选词填空，使句子意思完整The mist quickly ______ as the sun rose.
a. transient

b. dragging

c. dissipate

d. effects

正确答案:C

选择正确的词语意思hose and tubing
a. 多缸发动机

正确答案:B

b. 软管和管路

c. 盘式制动

d. 空气和燃料混合气

正确答案:C

选择正确的词语意思gasoline mixed with air
a. 空气和燃料混合气

正确答案:B

b. 离心力

c. 变速杆

d. 火花塞跳火

正确答案:A

正确答案:A

选词填空，使句子意思完整Put a ______ here, it will help prevent oil leaking out.
a. smashed

b. seal

c. split

d. collision

正确答案:D

timing advanced 意思是正时延迟
对

正确答案:C

错

oil bath air filter 意思是干式空气滤清器
对

错

Compared with the fan on older vehicles, the advantage of the electric fan is that （）.
A. both B and C

正确答案:A

B. there is no fan belts

C. there is no frictional power loss

D. it is driven by the camshaft

正确答案:D

According to the location of the camshaft, the valve trains are divided into overhead camshaft type and （）.
A. valve guid type

正确答案:C

B. intake valve and exhaust

正确答案:B

C. valve seat

D. side camshaft type

正确答案:A

Within the gasoline or the diesel engine, about （） of the energy is used to drive the vehicle.
A. .25

正确答案:A

B. all of? the above

C. .09

D. .33

正确答案:C

?A valve opens and closes （） times per mile.
A. less than 2,000

正确答案:A

B. 2000

C. more than 2,000

D. 100000

正确答案:C

The purpose of valve springs is to （）.
A. keep valves open

B. keep valves bounce

C. keep valves close when the camshaft is not lifting the valve.

D. keep valve float

正确答案:A

What type of material used is determined exactly by （）.
A. the stress

正确答案:B

B. the stress,load temperature and aging qualities

正确答案:C

C. aging qualities

D. load temperature

正确答案:A

The theoretical ideal for plete bustion is a mass ratio of （）.
A. 14.7:1

正确答案:D

B. 7:14.1

C. 1:14.7

D. 14:1.7

正确答案:D

The function of the primary windings is to （）.
A. transmit the high voltage from the coil to the spark plug.

正确答案:A

B. produce a magnetic field

正确答案:D

C. capture the voltage

D. change the electrical energy into a magnetic field

正确答案:A

The spark ignition engine can change the （） contained in fuel into kinetic energy.
A. electrical energy

正确答案:A

B. chemical energy

C. solar energy

D. physical energy

正确答案:D

valve float 意思是气门反跳
对

错

There are two basic types of engine valves:（）.
A. the intake valve and the inlet valve

正确答案:A

正确答案:B

B. the intake valve and the inlet valve

C. the exhaust valve and the output valve

正确答案:B

D. the output valve and the inlet valve

正确答案:B

overhead camshaft 意思是侧置凸轮轴
对

正确答案:B

错

full-slipper piston 意思是(高速发动机)轻型活塞
对

错

spark plug 意思是火花塞
对

错

total capacity 意思是总排量
对

错

fuel injection pump 意思是直列式喷油泵
对

错

air-cooled engine 意思是风冷发动机
对

正确答案:B

错

self-ignition 意思是自燃
对

错

cooling system 意思是冷却系统
对

错

选择正确的词语意思muffler
a. 机油滤清器

b. 消声器

c. 散热器盖

d. 防冻液

正确答案:A

选择正确的词语意思automatic clutches
a. 旋转半圈

b. 中间轴

c. 自动离合器

d. 火花塞跳火

timing chain 意思是正式齿轮
对

错

选择正确的词语意思manifold injection
a. 换热器

正确答案:B

b. 歧管喷射

c. 固定节流孔

d. 气门导管

radiator 意思是散热器
对

正确答案:C

错

选择正确的词语意思shorting-out
a. 中间轴

b. 独立悬架

c. 气门座

d. 短路

正确答案:B

选词填空，使句子意思完整The teacher is explaining the ____ of the earth’s surface for the students.
a. intermediate

正确答案:B

b. appreciable

c. simultaneously

d. positive

exhaust gas turbochargers 意思是废气涡轮增压器
对

错

drive shaft 意思是传动轴
对

正确答案:C

错

steering wheel 意思是方向盘
对

错

power steering pump 意思是动力转向泵
对

错

internal bustion engine 意思是内燃机
对

错

With front drive arrangement or rear-wheel-drive arrangement, （） transmit the power to the drive wheels.
A. gears

正确答案:D

B. diesel engine

C. gears and shafts

正确答案:A

D. piston engine

正确答案:A

The （） system is used to reduce the air pollution caused by the engine.
A. starting

正确答案:D

B. lubricating

C. emission control

D. ignition

正确答案:A

An automobile includes the following major categories: the body, the engine, （） and the electrical system.
A. power source

正确答案:A

B. chassis

C. steering system

D. ignition system

正确答案:A

During the power stroke, a force of up to 4000 pounds is suddenly applied to the piston head for （） times a second.
A. 40

正确答案:C

B. 70

C. 30

D. 30 to 40

正确答案:D

The （） system is applied to prevent metal parts of the engine from rubbing against each other.
A. cooling

正确答案:B

B. lubricating

C. emission control

D. starting

正确答案:C

In a four-stroke cycle, which one is actually doing work?
A. exhaust stroke

正确答案:D

B. intake stroke

C. power stroke

D. pression stroke

正确答案:B

A spark ignition engine has one more basic system than Diesel engine to run, it is（）.
A. fuel system

正确答案:C

B. lubricating system

C. ignition system

D. cooling system

正确答案:B

The connecting rod is made of （）.
A. sheet steel

正确答案:A

B. cast iron

C. forged alloy steel

D. aluminum-alloy

正确答案:A

（） is used to separate drive from the engine to gearbox and to allow a smooth, progressive take-up of drive.
A. The transmission system

正确答案:A

B. The drum brake

C. The shock absorber

D. The clutch

正确答案:C

After the fuel system delivers air-fuel mixture to a cylinder, a (an) （） ignites the mixture.
A. spark plug

正确答案:B

B. ignition system

C. electric spark

D. battery

正确答案:B

inertia engaged motor 意思是预啮合电机
对

正确答案:D

错

electronic ignition system 意思是电子点火系统
对

错

secondary winding 意思是初级线圈
对

正确答案:D

错

clutch pedal 意思是离合器踏板
对

正确答案:D

错

air-cooling system 意思是空气冷却系统
对

错

nonchargeable 意思是不可在充电的
对

错

electronic injection system 意思是机械燃油喷射系统
对

错

oil sensor 意思是机油冷却器
对

错

cold starting 意思是热启动
对

正确答案:B

错

dashboard 意思是仪表板
对

正确答案:C

错

muffler 意思是消声器
对

错

pressure regulator 意思是调压器
对

错

Unlike internal expanding-band brakes, the internal expanding-shoe brakes replace the flexible brake band with （）.
A. rigid brake shoes

正确答案:A

B. spinning discs

正确答案:C

C. small brake shoes

D. large brake band with a suitable friction material

正确答案:A

The （） brake was adopted in a two-ton-plus automobile to safely stop from the 70m/h and 80m/h highway speeds of the time.
A. service

正确答案:C

B. disc

正确答案:A

C. internal expanding-shoe

D. external expanding-band

正确答案:C

By the method of changing the gear ratio,the transmissions are divided into （）,stepless, and bined transmissions.
A. five-speed

正确答案:C

B. fixed-axle

正确答案:D

C. multiple-speed

D. fixed-ratio

正确答案:C

The first type of known vehicular brakes is （）.
A. chariot brake

B. external contracting-band brake

正确答案:B

C. internal expanding-band brake

正确答案:B

D. locked wheel

正确答案:C

When the tire is on a dry asphalt surface, the maximum frictional force of the tire ( without sliding) is usually between （） of the radial load.
A. 60%-90%

正确答案:A

B. 50%-60%

C. 60%-70%

D. 80%-90%

正确答案:A

According to the location of shafts, the transmissions can be with foxed-axle shafts,（）,and of bined type.
A. multi-shafts

正确答案:B

B. three-shafts

C. rotating-axle shafts

D. two-shafts

正确答案:D

In the internal expanding-band brake, the band inside of the brake drum is actuated by a （）.
A. rotating cam

正确答案:A

B. brake shoe

C. rotor

D. lever

正确答案:D

The tire loads include three load groups: side load, radial load and （）.
A. traversal load

正确答案:C

B. vertical load

C. tractive load

D. internal load

正确答案:A

In modern transmissions of general-purpose trucks and bused, the gear ratio varies between （）.
A. 5 and 8

正确答案:C

B. 3.0 and 4.5

正确答案:B

C. 10 and 20

正确答案:A

D. 6 and 16

正确答案:B

The （） brake was designed to solve the problem that small shoes would overheat or wear out, and braking power would be lost.
A. internal expanding-band

正确答案:A

B. interal expanding-shoe

C. external contracting-band

D. disk

正确答案:C

front-engine front-drive 意思是发动机前置前轮驱动
对

正确答案:C

错

short-long arms 意思是不等长双横臂
对

错

handling characteristics 意思是操纵性能
对

正确答案:D

错

steering linkage 意思是齿轮机构
对

错

emergency flasher switch 意思是雨刷开关
对

错

constant velocity joint 意思是球叉式万向节
对

错

forward gear 意思是倒挡
对

正确答案:A

错

pneumatic spring 意思是扭力弹簧
对

错

propeller shaft 意思是传动轴
对

错

coast in neutral 意思是空挡惯性滑行
对

错

performance vehicle 意思是特种车
对

错

longitudinally 意思是横置地
对

正确答案:A

错

automatic transmission 意思是自动变速器
对

错

driving member 意思是从动件
对

正确答案:A

错

helical wheel 意思是螺旋齿轮
对

错

The （） has two sets of passages: air passages and refrigerant tubes.
A. evaporator

正确答案:B

B. receiver

C. pressor

D. condenser

正确答案:A

The ECU uses （） to measure the deceleration due to the collision and calculate the change in speed.
A. the sensor connection

正确答案:B

B. the acceleration sensor

C. the airbag

D. the belt strap

正确答案:D

The （） tire has the greatest steering sensitivity.
A. bias

B. radial ply

正确答案:B

C. radial

正确答案:D

D. asymmetric

正确答案:D

The function of （） is to hold the occupants in their seats when the vehicle hits an obstacle.
A. airbag

正确答案:D

B. seat belts

C. tightener

D. fast-acting lock

正确答案:A

正确答案:B

The distance between the centerline of the rim and the mounting face of the disc is called （）.
A. the resonant frequency

正确答案:B

B. the wheel offset

C. the slip angle

D. the steering sensitivity

正确答案:C

The condition of （） means? that the smooth tire rides up on the surface water.
A. hydroplaning

正确答案:B

B. low-speed harshness

正确答案:D

C. sliding

正确答案:B

D. slipping

正确答案:A

In a collision, the whole procedure of airbag’s inflation and deflation takes nearly（）.
A. 1minute

正确答案:D

B. 0.1second

C. 1 sencond

D. 0.1 minute

正确答案:B

By retracting and tightening the belt strap, the （） pensates for belt slack and film-reel effect in a collision.
A. shoulder belt tightener

正确答案:D

B. plunger

C. airbag

D. fast-acting lock

In a head-on collision with a fixed obstacle at （） km/h, a three-point seat belt can only offer limited protection.
A. approx.60

正确答案:C

B. 50

C. 40

D. above 40

正确答案:A

Radial tires were first used on （） because they produce good steering sensitivity.
A. race cars

正确答案:B

B. passenger vehicles

C. trucks

D. sports cars

正确答案:A

four-wheel drive 意思是四轮驱动
对

正确答案:D

错

radial load 意思是侧向载荷
对

正确答案:B

错

negative plate意思是正极板
对

错

instrument voltage regulator 意思是仪表电压调节器
对

错

acceleration sensor 意思是加速度传感器
对

错

receiver 意思是储液器
对

错

refrigeration system 意思是制冷系统
对

错

understeer 意思是过度转向
对

正确答案:A

错

high beam 意思是近光灯
对

错

tread pattern 意思是胎面花纹
对

正确答案:A

错

service brake 意思是行车制动器
对

错

side impact detection 意思是侧向加速度
对

正确答案:D

错

halogen sealed beam 意思是标准密封光束
对

正确答案:B

错

maintenance-free battery 意思是免维护电池
对

错

parabolic reflector 意思是抛物镜
对

错

国开网 汽车实用英语 网上在线形考作业国开电大历年参考题目如下：

国开网 汽车实用英语 网上在线形考作业[答案]相关练习题：
中等（70-79分）：毕业设计工作量符合毕业设计任务书的要求；设计方案基本正确，有一定的分析和论证，逻辑基本清晰；基本上掌握所学理论基础知识，有一定的独立解决实际工程技术问题的能力和一定的理论基础。

对于低值易耗品评估，通常考虑（ ）。

下列关于ASCII码128种字符个数错误的是（ ）

中国甲公司与阿根廷乙公司签订了进口羊毛的合同，交货期为10月初，甲公司准备转售欧洲。合同签订以后，乙公司原定的收购地点发生了洪水，使已经收购到的羊毛不能按时运出。乙公司将该情况通知甲公司并要求按不可抗力处理，免除其交货的责任。依据1980年《联合国国际货物销售合同公约》的规定，下列哪些选项是正确的?

创建可信赖的质量文化的目的是什么？

* 在诗歌的变形、变质、变理形象中，其表现主观强烈感情和透视生活的深刻真谛是可以统一的，关键在于诗人的____。

当竖盘读数为：81°38′12″，278°21′24″，则指标差为（ ）。

欧洲货币体系建立的汇率稳定机制规定成员国之间汇率波动允许的幅度为（ ）

立法过程的四阶段不包括()。

统一实行职务等级工资制后，为协调全国各地区职工的工资关系，把全国分为几个工资区(　　)

在生产理论中长期和短期的划分取决于可是否调整产量。

名誉权损害的基本损失是什么？()

企业的计划层次包含：战略层计划、战术层计划和作业层计划。

A、ISO9001标准是ISO9004标准的实施指南。

债权人以给自己的债权造成损害为由，请求法院撤销债务人下列哪些行为的，法院应予支持()

由于经营杠杆的作用，当息税前利润下降时，普通股每股收益会下降的更快。（ ）

大工21秋《电源技术》大作业及要求



在所有可能的实现中，维数最小的实现称为（）。

财政部门对单位的各项预算拨款的年度截止期为（）。