选择正确的词语意思：independent front suspension
a. 直齿齿轮
b. 催化转换器
c. 多缸发动机
d. 电控单元
【答案】：a
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
b. provide a sliding seal between the piston and cylinder wall
c. all of the above
d. scrape oil off the cylinder wall as the piston moves down on the power and intake strokes.
【答案】：a
选择缩写意思正确的选项：BDC
a. 直流
b. 上止点
c. 下止点
d. 高强放电光束
【答案】：c
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
b. collision
c. resonant
d. clumped
【答案】：请联系在线客服,或加微信好友
选择正确的词语意思：collide head on
a. 安全气囊
b. 蒸汽回收控制
c. 曲轴箱强制通风
d. 迎面碰撞
【答案】：请联系在线客服,或加微信好友
选择正确的词语意思：drop center wheel rim
a. 驱动轴
b. 排气管
c. 内燃机
d. 凹槽轮辋
【答案】：请联系在线客服,或加微信好友
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
【答案】：请联系在线客服,或加微信好友
选词填空，使句子意思完整：His old clothes were all ____ together in a corner.
a. bounced
b. sealed
c. clumped
d. dissipated
【答案】：请联系在线客服,或加微信好友
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
b. transient
c. collision
d. transient
【答案】：请联系在线客服,或加微信好友
选择缩写意思正确的选项：HID
a. 四轮驱动系统
b. 电控单元
c. 高强放电光束
d. 电子制动力分配系统
【答案】：请联系在线客服,或加微信好友
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
【答案】：请联系在线客服,或加微信好友
选择缩写意思正确的选项：DPA
a. 分配泵总成
b. 加速防滑系统
c. 牵引力控制系统
d. 废气再循环
【答案】：请联系在线客服,或加微信好友
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
b. allowing engine braking
c. gear change
d. disconnecting the engine
【答案】：请联系在线客服,或加微信好友
选词填空，使句子意思完整：The pump ____ the tires automatically.
a. resonant
b. collision
c. inflates
d. frequencies
【答案】：请联系在线客服,或加微信好友
In a head-on collision with a fixed obstacle at ______ km/h, a three-point seat belt can only offer limited protection.
a. 40
b. 50
c. approx.60
d. above 40
【答案】：请联系在线客服,或加微信好友
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
【答案】：请联系在线客服,或加微信好友
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
【答案】：请联系在线客服,或加微信好友
选择缩写意思正确的选项：DC
a. 监测
b. 碰撞
c. 交流
d. 直流
【答案】：请联系在线客服,或加微信好友
选择正确选项：Pistons for modern engines are made of _______.
a. aluminum-alloy
b. cast iron
c. tin-alloy
d. steel
【答案】：请联系在线客服,或加微信好友
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
b. 40
c. 70
d. 30
【答案】：请联系在线客服,或加微信好友
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
b. seat belts
c. airbag
d. tightener
【答案】：请联系在线客服,或加微信好友
选词填空，使句子意思完整：The manager ______ his tie, ready now to relax.
a. bounces
b. effects
c. slackens
d. inflates
【答案】：请联系在线客服,或加微信好友
选词填空，使句子意思完整：She wiped the ____off her forehead with a towel.
a. dilute
b. seal
c. resonant
d. sweat
【答案】：请联系在线客服,或加微信好友
选择正确选项：The connecting rod is made of ______.
a. aluminum-alloy
b. forged alloy steel
c. cast iron
d. sheet steel
【答案】：请联系在线客服,或加微信好友
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
【答案】：请联系在线客服,或加微信好友
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
【答案】：请联系在线客服,或加微信好友
选择正确的词语意思：side impact detection
a. 侧向加速度
b. 非独立悬架
c. 侧面碰撞监测
d. 操纵灵敏性
【答案】：请联系在线客服,或加微信好友
选词填空，使句子意思完整：Just _____ the cake into three and leave one piece for Simon.
a. sweat
b. split
c. clump
d. inflate
【答案】：请联系在线客服,或加微信好友
选词填空，使句子意思完整：The front of the church is completely _____.
a. saturated
b. symmetric
c. collision
d. resonant
【答案】：请联系在线客服,或加微信好友
选择正确的词语意思：handling characteristics
a. 操纵性能
b. 膨胀力
c. 汽缸壁
d. 气门导管
【答案】：请联系在线客服,或加微信好友
选词填空，使句子意思完整：Heavy rains ____ fields and pastures.
a. saturated
b. smashed
c. clumped
d. smashed
【答案】：请联系在线客服,或加微信好友
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
【答案】：请联系在线客服,或加微信好友
选择正确的词语意思：intermediate shaft
a. 操纵灵敏性
b. 侧向加速度
c. 软管和管路
d. 中间轴
【答案】：请联系在线客服,或加微信好友
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
b. internal expanding-shoe
c. service
d. disc
【答案】：请联系在线客服,或加微信好友
选择正确答案： In a collision, the whole procedure of airbag’s inflation and deflation takes nearly _______ .
a. 0.1 minute
b. 0.1 second
c. 1 minute
d. 1 second
【答案】：请联系在线客服,或加微信好友
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
b. the acceleration sensor
c. the sensor connection
d. the airbag
【答案】：请联系在线客服,或加微信好友
选择正确的词语意思：dependent suspension
a. 驱动轴
b. 变速箱
c. 非独立悬架
d. 水泵
【答案】：请联系在线客服,或加微信好友
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
【答案】：请联系在线客服,或加微信好友
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
b. electric spark
c. spark plug
d. battery
【答案】：请联系在线客服,或加微信好友
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
【答案】：请联系在线客服,或加微信好友
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
b. brake assembly
c. a hydraulic control system
d. a braking system
【答案】：请联系在线客服,或加微信好友
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
【答案】：请联系在线客服,或加微信好友
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
b. cooling system
c. ignition system
d. fuel system
【答案】：请联系在线客服,或加微信好友
选择正确的词语意思：driving system
a. 油底壳
b. 制动系统
c. 发电机
d. 传动系统
【答案】：请联系在线客服,或加微信好友
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
【答案】：请联系在线客服,或加微信好友
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
【答案】：请联系在线客服,或加微信好友
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
b. dissipate
c. transient
d. independent
【答案】：请联系在线客服,或加微信好友
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
【答案】：请联系在线客服,或加微信好友
选择正确选项：With front drive arrangement or rear-wheel-drive arrangement, ______ transmit the power to the drive wheels.
a. gears
b. diesel engine
c. piston engine
d. gears and shafts
【答案】：请联系在线客服,或加微信好友
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
b. final drive
c. steering system
d. starting system
【答案】：请联系在线客服,或加微信好友
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
【答案】：请联系在线客服,或加微信好友
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
【答案】：请联系在线客服,或加微信好友
选择正确的词语意思：disc brake
a. 盘式制动
b. 短路
c. 自动离合器
d. 气门座
【答案】：请联系在线客服,或加微信好友
选词填空，使句子意思完整： The company is taking a new measure to ______ their export trade.
a. warm-up
b. boost
c. positive
d. transfer
【答案】：请联系在线客服,或加微信好友
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
【答案】：请联系在线客服,或加微信好友
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
【答案】：请联系在线客服,或加微信好友
选择正确选项：An automobile includes the following major categories: the body, the engine, ______ and the electrical system.
a. steering system
b. chassis
c. power source
d. ignition system
【答案】：请联系在线客服,或加微信好友
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
b. The transmission system
c. The drum brake
d. The shock absorber
【答案】：请联系在线客服,或加微信好友
选择正确的词语意思：spark ignition and compression ignition
a. 曲轴和凸轮轴
b. 盘式制动
c. 排放控制系统
d. 点燃式和压缩式
【答案】：请联系在线客服,或加微信好友
选择正确的词语意思：crankshaft and camshaft
a. 曲轴和凸轮轴
b. 三元催化器
c. 正时延迟
d. 催化转换器
【答案】：请联系在线客服,或加微信好友
选择正确选项：The ______ system is applied to prevent metal parts of the engine from rubbing against each other.
a. cooling
b. lubricating
c. starting
d. emission control
【答案】：请联系在线客服,或加微信好友
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
【答案】：请联系在线客服,或加微信好友
选词填空，使句子意思完整：The demonstrations in London and Pairs happened ______.
a. bounces
b. simultaneously
c. seal
d. dilute
【答案】：请联系在线客服,或加微信好友
选词填空，使句子意思完整：He was drinking a glass of wine ______ with water.
a. dilute
b. dissipate
c. harshness
d. boost
【答案】：请联系在线客服,或加微信好友
选择正确的词语意思：multi-cylinder engine
a. 多缸发动机
b. 油箱
c. 防冻液
d. 风冷系统
【答案】：请联系在线客服,或加微信好友
选词填空，使句子意思完整：Before the comprehensive test, you’d better do some _______ exercise.
a. dilute
b. bounces
c. warm-up
d. dissipate
【答案】：请联系在线客服,或加微信好友
选择缩写意思正确的选项：EBD
a. 侧面碰撞监测
b. 电子制动力分配系统
c. 迎面碰撞
d. 非独立悬架
【答案】：请联系在线客服,或加微信好友
选词填空，使句子意思完整：The cells have a series of ______ stages before they develop fully.
a. configuration
b. transient
c. dragging
d. intermediate
【答案】：请联系在线客服,或加微信好友
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
d. shielded
【答案】：请联系在线客服,或加微信好友
选择正确的词语意思：coolant
a. 偏心轮
b. 冷却液
c. 曲柄
d. 油泵
【答案】：请联系在线客服,或加微信好友
选择正确的词语意思：liquid water cooling system
a. 汽缸壁
b. 皮带轮
c. 散热器
d. 水冷系统
【答案】：请联系在线客服,或加微信好友
选词填空，使句子意思完整：The republic was declared a fully ____ state.
a. clumped
b. independent
c. collision
d. smashed
【答案】：请联系在线客服,或加微信好友
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
【答案】：请联系在线客服,或加微信好友
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
【答案】：请联系在线客服,或加微信好友
选词填空，使句子意思完整：This herbal medicine ______ a good cure for his disease.
a. boost
b. dilute
c. effects
d. bounces
【答案】：请联系在线客服,或加微信好友
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
b. resonant
c. sweat
d. smashed
【答案】：请联系在线客服,或加微信好友
选择正确选项：The ______ system is used to reduce the air pollution caused by the engine.
a. emission control
b. ignition
c. lubricating
d. starting
【答案】：请联系在线客服,或加微信好友
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
【答案】：请联系在线客服,或加微信好友
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
【答案】：请联系在线客服,或加微信好友
选择正确选项：The shortcomings of the petrol engine in the nineteenth century include the followings except ______.
a. no spark plug is used
b. very expensive and not efficient enough
c. high fire risk caused by petrol
d. unreliable nature of the ignition system
【答案】：请联系在线客服,或加微信好友
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
【答案】：请联系在线客服,或加微信好友
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
【答案】：请联系在线客服,或加微信好友
选择正确选项：______ makes the piston to move up and down in the engine cylinder.
a. mechanical force
b. pressure changes
c. atmospheric pressure
d. piston head
【答案】：请联系在线客服,或加微信好友
选词填空，使句子意思完整：That woman ____ her child with her body.
a. transient
b. appreciable
c. shielded
d. dissipate
【答案】：请联系在线客服,或加微信好友
选择正确选项：In a four-stroke cycle, which one is actually doing work?
a. power stroke
b. exhaust stroke
c. compression stroke
d. intake stroke
【答案】：请联系在线客服,或加微信好友
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 compression not by spark
b. Distributor Pump Assembly
c. the diesel engine has a very high compression ratio
d. the air is compressed in the sealed cylinder in the diesel engine
【答案】：请联系在线客服,或加微信好友
选词填空，使句子意思完整：Their happiness was to be sadly ______.
a. transient
b. dissipate
c. evaporate
d. appreciable
【答案】：请联系在线客服,或加微信好友
选择正确的词语意思：timing-retarded
a. 直齿齿轮
b. 正时延迟
c. 操纵性能
d. 凹槽轮辋
【答案】：请联系在线客服,或加微信好友
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
【答案】：请联系在线客服,或加微信好友
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
【答案】：请联系在线客服,或加微信好友
选择缩写意思正确的选项：TDC
a. 上止点
b. 防抱死制动系统
c. 废气再循环
d. 加速防滑系统
【答案】：请联系在线客服,或加微信好友
选择正确的词语意思：fixed orifice
a. 凹槽轮辋
b. 固定节流孔
c. 摩擦系数
d. 直流
【答案】：请联系在线客服,或加微信好友
选择正确的词语意思：cylinder order
a. 气缸顺序
b. 换热器
c. 独立悬架
d. 正时齿轮
【答案】：请联系在线客服,或加微信好友
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
【答案】：请联系在线客服,或加微信好友
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
【答案】：请联系在线客服,或加微信好友
选词填空，使句子意思完整：Her help has made an _____ difference.
a. transient
b. dragging
c. bulging
d. appreciable
【答案】：请联系在线客服,或加微信好友
选择缩写意思正确的选项：4WD
a. 安全气囊
b. 四轮驱动系统
c. 多用途汽车
d. 运动型多用途汽车
【答案】：请联系在线客服,或加微信好友
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
【答案】：请联系在线客服,或加微信好友
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
【答案】：请联系在线客服,或加微信好友
选择正确的词语意思：hose and tubing
a. 多缸发动机
b. 软管和管路
c. 盘式制动
d. 空气和燃料混合气
【答案】：请联系在线客服,或加微信好友
选择正确的词语意思：gasoline mixed with air
a. 空气和燃料混合气
b. 离心力
c. 变速杆
d. 火花塞跳火
【答案】：请联系在线客服,或加微信好友
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
【答案】：请联系在线客服,或加微信好友
timing advanced 意思是正时延迟
对
错
【答案】：请联系在线客服,或加微信好友
oil bath air filter 意思是干式空气滤清器
对
错
【答案】：请联系在线客服,或加微信好友
Compared with the fan on older vehicles, the advantage of the electric fan is that （）.
A. both B and C
B. there is no fan belts
C. there is no frictional power loss
D. it is driven by the camshaft
【答案】：请联系在线客服,或加微信好友
According to the location of the camshaft, the valve trains are divided into overhead camshaft type and （）.
A. valve guid type
B. intake valve and exhaust
C. valve seat
D. side camshaft type
【答案】：请联系在线客服,或加微信好友
Within the gasoline or the diesel engine, about （） of the energy is used to drive the vehicle.
A. .25
B. all of? the above
C. .09
D. .33
【答案】：请联系在线客服,或加微信好友
?A valve opens and closes （） times per mile.
A. less than 2,000
B. 2000
C. more than 2,000
D. 100000
【答案】：请联系在线客服,或加微信好友
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
【答案】：请联系在线客服,或加微信好友
What type of material used is determined exactly by （）.
A. the stress
B. the stress,load temperature and aging qualities
C. aging qualities
D. load temperature
【答案】：请联系在线客服,或加微信好友
The theoretical ideal for complete combustion is a mass ratio of （）.
A. 14.7:1
B. 7:14.1
C. 1:14.7
D. 14:1.7
【答案】：请联系在线客服,或加微信好友
The function of the primary windings is to （）.
A. transmit the high voltage from the coil to the spark plug.
B. produce a magnetic field
C. capture the voltage
D. change the electrical energy into a magnetic field
【答案】：请联系在线客服,或加微信好友
The spark ignition engine can change the （） contained in fuel into kinetic energy.
A. electrical energy
B. chemical energy
C. solar energy
D. physical energy
【答案】：请联系在线客服,或加微信好友
valve float 意思是气门反跳
对
错
【答案】：请联系在线客服,或加微信好友
There are two basic types of engine valves:（）.
A. the intake valve and the inlet valve
B. the intake valve and the inlet valve
C. the exhaust valve and the output valve
D. the output valve and the inlet valve
【答案】：请联系在线客服,或加微信好友
overhead camshaft 意思是侧置凸轮轴
对
错
【答案】：请联系在线客服,或加微信好友
full-slipper piston 意思是(高速发动机)轻型活塞
对
错
【答案】：请联系在线客服,或加微信好友
spark plug 意思是火花塞
对
错
【答案】：请联系在线客服,或加微信好友
total capacity 意思是总排量
对
错
【答案】：请联系在线客服,或加微信好友
fuel injection pump 意思是直列式喷油泵
对
错
【答案】：请联系在线客服,或加微信好友
air-cooled engine 意思是风冷发动机
对
错
【答案】：请联系在线客服,或加微信好友
self-ignition 意思是自燃
对
错
【答案】：请联系在线客服,或加微信好友
cooling system 意思是冷却系统
对
错
【答案】：请联系在线客服,或加微信好友
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
【答案】：请联系在线客服,或加微信好友
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
【答案】：请联系在线客服,或加微信好友
timing chain 意思是正式齿轮
对
错
【答案】：请联系在线客服,或加微信好友
选择正确的词语意思：manifold injection
a. 换热器
b. 歧管喷射
c. 固定节流孔
d. 气门导管
【答案】：请联系在线客服,或加微信好友
radiator 意思是散热器
对
错
【答案】：请联系在线客服,或加微信好友
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
【答案】：请联系在线客服,或加微信好友
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
b. appreciable
c. simultaneously
d. positive
【答案】：请联系在线客服,或加微信好友
exhaust gas turbochargers 意思是废气涡轮增压器
对
错
【答案】：请联系在线客服,或加微信好友
drive shaft 意思是传动轴
对
错
【答案】：请联系在线客服,或加微信好友
steering wheel 意思是方向盘
对
错
【答案】：请联系在线客服,或加微信好友
power steering pump 意思是动力转向泵
对
错
【答案】：请联系在线客服,或加微信好友
internal combustion engine 意思是内燃机
对
错
【答案】：请联系在线客服,或加微信好友
With front drive arrangement or rear-wheel-drive arrangement, （） transmit the power to the drive wheels.
A. gears
B. diesel engine
C. gears and shafts
D. piston engine
【答案】：请联系在线客服,或加微信好友
The （） system is used to reduce the air pollution caused by the engine.
A. starting
B. lubricating
C. emission control
D. ignition
【答案】：请联系在线客服,或加微信好友
An automobile includes the following major categories: the body, the engine, （） and the electrical system.
A. power source
B. chassis
C. steering system
D. ignition system
【答案】：请联系在线客服,或加微信好友
During the power stroke, a force of up to 4000 pounds is suddenly applied to the piston head for （） times a second.
A. 40
B. 70
C. 30
D. 30 to 40
【答案】：请联系在线客服,或加微信好友
The （） system is applied to prevent metal parts of the engine from rubbing against each other.
A. cooling
B. lubricating
C. emission control
D. starting
【答案】：请联系在线客服,或加微信好友
In a four-stroke cycle, which one is actually doing work?
A. exhaust stroke
B. intake stroke
C. power stroke
D. compression stroke
【答案】：请联系在线客服,或加微信好友
A spark ignition engine has one more basic system than Diesel engine to run, it is（）.
A. fuel system
B. lubricating system
C. ignition system
D. cooling system
【答案】：请联系在线客服,或加微信好友
The connecting rod is made of （）.
A. sheet steel
B. cast iron
C. forged alloy steel
D. aluminum-alloy
【答案】：请联系在线客服,或加微信好友
（） is used to separate drive from the engine to gearbox and to allow a smooth, progressive take-up of drive.
A. The transmission system
B. The drum brake
C. The shock absorber
D. The clutch
【答案】：请联系在线客服,或加微信好友
After the fuel system delivers air-fuel mixture to a cylinder, a (an) （） ignites the mixture.
A. spark plug
B. ignition system
C. electric spark
D. battery
【答案】：请联系在线客服,或加微信好友
inertia engaged motor 意思是预啮合电机
对
错
【答案】：请联系在线客服,或加微信好友
electronic ignition system 意思是电子点火系统
对
错
【答案】：请联系在线客服,或加微信好友
secondary winding 意思是初级线圈
对
错
【答案】：请联系在线客服,或加微信好友
clutch pedal 意思是离合器踏板
对
错
【答案】：请联系在线客服,或加微信好友
air-cooling system 意思是空气冷却系统
对
错
【答案】：请联系在线客服,或加微信好友
nonchargeable 意思是不可在充电的
对
错
【答案】：请联系在线客服,或加微信好友
electronic injection system 意思是机械燃油喷射系统
对
错
【答案】：请联系在线客服,或加微信好友
oil sensor 意思是机油冷却器
对
错
【答案】：请联系在线客服,或加微信好友
cold starting 意思是热启动
对
错
【答案】：请联系在线客服,或加微信好友
dashboard 意思是仪表板
对
错
【答案】：请联系在线客服,或加微信好友
muffler 意思是消声器
对
错
【答案】：请联系在线客服,或加微信好友
pressure regulator 意思是调压器
对
错
【答案】：请联系在线客服,或加微信好友
Unlike internal expanding-band brakes, the internal expanding-shoe brakes replace the flexible brake band with （）.
A. rigid brake shoes
B. spinning discs
C. small brake shoes
D. large brake band with a suitable friction material
【答案】：请联系在线客服,或加微信好友
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
B. disc
C. internal expanding-shoe
D. external expanding-band
【答案】：请联系在线客服,或加微信好友
By the method of changing the gear ratio,the transmissions are divided into （）,stepless, and combined transmissions.
A. five-speed
B. fixed-axle
C. multiple-speed
D. fixed-ratio
【答案】：请联系在线客服,或加微信好友
The first type of known vehicular brakes is （）.
A. chariot brake
B. external contracting-band brake
C. internal expanding-band brake
D. locked wheel
【答案】：请联系在线客服,或加微信好友
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%
B. 50%-60%
C. 60%-70%
D. 80%-90%
【答案】：请联系在线客服,或加微信好友
According to the location of shafts, the transmissions can be with foxed-axle shafts,（）,and of combined type.
A. multi-shafts
B. three-shafts
C. rotating-axle shafts
D. two-shafts
【答案】：请联系在线客服,或加微信好友
In the internal expanding-band brake, the band inside of the brake drum is actuated by a （）.
A. rotating cam
B. brake shoe
C. rotor
D. lever
【答案】：请联系在线客服,或加微信好友
The tire loads include three load groups: side load, radial load and （）.
A. traversal load
B. vertical load
C. tractive load
D. internal load
【答案】：请联系在线客服,或加微信好友
In modern transmissions of general-purpose trucks and bused, the gear ratio varies between （）.
A. 5 and 8
B. 3.0 and 4.5
C. 10 and 20
D. 6 and 16
【答案】：请联系在线客服,或加微信好友
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
B. interal expanding-shoe
C. external contracting-band
D. disk
【答案】：请联系在线客服,或加微信好友
front-engine front-drive 意思是发动机前置前轮驱动
对
错
【答案】：请联系在线客服,或加微信好友
short-long arms 意思是不等长双横臂
对
错
【答案】：请联系在线客服,或加微信好友
handling characteristics 意思是操纵性能
对
错
【答案】：请联系在线客服,或加微信好友
steering linkage 意思是齿轮机构
对
错
【答案】：请联系在线客服,或加微信好友
emergency flasher switch 意思是雨刷开关
对
错
【答案】：请联系在线客服,或加微信好友
constant velocity joint 意思是球叉式万向节
对
错
【答案】：请联系在线客服,或加微信好友
forward gear 意思是倒挡
对
错
【答案】：请联系在线客服,或加微信好友
pneumatic spring 意思是扭力弹簧
对
错
【答案】：请联系在线客服,或加微信好友
propeller shaft 意思是传动轴
对
错
【答案】：请联系在线客服,或加微信好友
coast in neutral 意思是空挡惯性滑行
对
错
【答案】：请联系在线客服,或加微信好友
performance vehicle 意思是特种车
对
错
【答案】：请联系在线客服,或加微信好友
longitudinally 意思是横置地
对
错
【答案】：请联系在线客服,或加微信好友
automatic transmission 意思是自动变速器
对
错
【答案】：请联系在线客服,或加微信好友
driving member 意思是从动件
对
错
【答案】：请联系在线客服,或加微信好友
helical wheel 意思是螺旋齿轮
对
错
【答案】：请联系在线客服,或加微信好友
The （） has two sets of passages: air passages and refrigerant tubes.
A. evaporator
B. receiver
C. compressor
D. condenser
【答案】：请联系在线客服,或加微信好友
The ECU uses （） to measure the deceleration due to the collision and calculate the change in speed.
A. the sensor connection
B. the acceleration sensor
C. the airbag
D. the belt strap
【答案】：请联系在线客服,或加微信好友
The （） tire has the greatest steering sensitivity.
A. bias
B. radial ply
C. radial
D. asymmetric
【答案】：请联系在线客服,或加微信好友
The function of （） is to hold the occupants in their seats when the vehicle hits an obstacle.
A. airbag
B. seat belts
C. tightener
D. fast-acting lock
【答案】：请联系在线客服,或加微信好友
The distance between the centerline of the rim and the mounting face of the disc is called （）.
A. the resonant frequency
B. the wheel offset
C. the slip angle
D. the steering sensitivity
【答案】：请联系在线客服,或加微信好友
The condition of （） means? that the smooth tire rides up on the surface water.
A. hydroplaning
B. low-speed harshness
C. sliding
D. slipping
【答案】：请联系在线客服,或加微信好友
In a collision, the whole procedure of airbag’s inflation and deflation takes nearly（）.
A. 1minute
B. 0.1second
C. 1 sencond
D. 0.1 minute
【答案】：请联系在线客服,或加微信好友
By retracting and tightening the belt strap, the （） compensates for belt slack and film-reel effect in a collision.
A. shoulder belt tightener
B. plunger
C. airbag
D. fast-acting lock
【答案】：请联系在线客服,或加微信好友
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
B. 50
C. 40
D. above 40
【答案】：请联系在线客服,或加微信好友
Radial tires were first used on （） because they produce good steering sensitivity.
A. race cars
B. passenger vehicles
C. trucks
D. sports cars
【答案】：请联系在线客服,或加微信好友
four-wheel drive 意思是四轮驱动
对
错
【答案】：请联系在线客服,或加微信好友
radial load 意思是侧向载荷
对
错
【答案】：请联系在线客服,或加微信好友
negative plate意思是正极板
对
错
【答案】：请联系在线客服,或加微信好友
instrument voltage regulator 意思是仪表电压调节器
对
错
【答案】：请联系在线客服,或加微信好友
acceleration sensor 意思是加速度传感器
对
错
【答案】：请联系在线客服,或加微信好友
receiver 意思是储液器
对
错
【答案】：请联系在线客服,或加微信好友
refrigeration system 意思是制冷系统
对
错
【答案】：请联系在线客服,或加微信好友
understeer 意思是过度转向
对
错
【答案】：请联系在线客服,或加微信好友
high beam 意思是近光灯
对
错
【答案】：请联系在线客服,或加微信好友
tread pattern 意思是胎面花纹
对
错
【答案】：请联系在线客服,或加微信好友
service brake 意思是行车制动器
对
错
【答案】：请联系在线客服,或加微信好友
side impact detection 意思是侧向加速度
对
错
【答案】：请联系在线客服,或加微信好友
halogen sealed beam 意思是标准密封光束
对
错
【答案】：请联系在线客服,或加微信好友
maintenance-free battery 意思是免维护电池
对
错
【答案】：请联系在线客服,或加微信好友
parabolic reflector 意思是抛物镜
对
错
【答案】：请联系在线客服,或加微信好友
