新 全 汽车专业英语期末试卷

二、Choose the best answer from the following questions (10×1’)1、The________ changes the up-and-down motion of the connecting rod into rotary motion.A. CrankshaftB. Piston pinC. Cap boltsD. Bearing2、In a car’s clutch , a flywheel connects to the engine , and a clutch plateconnects to the _____A. WheelsB. AxleC. DifferentialD. Transmission3、The transmissions have a to engage and disengage thetransmission.A. ClutchB. ITSC. DifferentialD. Cap bolts4、Which of the following does not aid in the powering of most mainstream carstoday ? ( )A. GasB. Solar energyC. AlternatorD. Battery5、Which material can’t be used to cast engine block ? ( )A. AluminumB. ChromiumC. Gray ironD. Sternum6、The of the engine is a measurement of the distance the pistontravels from TDC to BDC.A. CompressionB. DisplacementC. BoreD. Stroke7、When the piston is coming up on the compression stroke, spark will occurvery near .A. BDCB. ITSC. TDCD. BCM8、The diesel engine is more efficient, because it has compression ratio.A. HigherB. LowerC. RichD. Lean9、Which is not the way to reduce the pollutant in vehicle’s emission.A. EGRB. PCVC. Catalytic converterD. PCM10、What is the key part of the Vehicle?A. TransmissionB. EngineC. CylindersD. Condenser三、Translate the following Terms . (20×1’)(1) cylinder (2) chassis (3)crankshaft (4) clutch (5) throttle (6) sump(7) ECU (8) speedometer (9) differential (10) suspension (11) velocity (12) rim (13) steering (14) drum brake (15) diaphragm (16) vacuum (17) camshaft (18) stroke (19) airbag (20) valve四、Write the opposite meaning of the following Terms . (10×1.5’)1、increase2、advantage3、positive4、top5、upward6、mini7、TDC8、internal9、push 10、cold五、Write a short passage within 200 words to introduce thefuel cell-automobile. (1×25’)《汽车专业英语》答案一、1、piston pin 2、air fluid 3、compression power exhaust4、transfer case5、ABS6、757、rod cap, pressure cap, fuel cap8、〈9、positive crankcase veterinary10、alternator二、1-5、ADACD6-10、DCADB三、(1) 气缸(2) 底盘(3)曲轴(4) 离合器(5)节气门(6) 油盘(7)电子控制单元(8) 测速计(9) 差速器(10) 悬架(11) 速度(12) 轮缘(13) 转向(14) 制动器(15) 隔板(16) 真空(17) 凸轮轴(18) 行程(19) 安全气囊(20) 气门四、1、decrease 2、disadvantage 3、negative 4、bottom 5、downward6、max7、BDC8、external9、pull 10、warm五、论点正确5’叙述完整10’语句正确10’。

08—09学年下学期职高10汽电班学月考试汽车专业英语试题（满分：100分考试时间：90分钟）姓名: 成绩一识别题（根据以下汽车标志图案写出汽车的名称20分:每小题2分，共10题）iROLLSlMITSUBISHI二选择题(20分:每小题2分，共10题)1 .Which engine broke all distance records by 1829?A. gasoline engineB.steam engineC.electrical engine2. where was the city of machine shops and skilled mechanics?A. DetroitB.New YorkC.Bejing3. Who was the true pioneer of Detroit?A. Ferdinand VerbiestB.David BuickC.Henry Ford4. Who designs for wind-driven vehicles?A.ltalianB.FrenchC.Chinese5. Who invented the steam engine in 1705?A.James WattB.Carl BenzC.Gottlieb Daimler6. Who invented the first gasoline engine automobile?A.Carl BenzB.DaimlerC. Ferdinand Verbiest7. What the ideal mixture in internal combustion gasoline engine?A. 14.7(air):1 (gasoline)B. 14.7(gasoline):1(air)C. 4.7(air):1 (gasoline)8. What are the Four-stroke process?A. lntake---Compression---Exhaust---PowerB. Intake--- Exhaust™Power---CompressionC. Intake —Compression―Power一Exhaust9. What is most of the energy in the gasoline converted into?A.hestB.airC.water10. What is the primary job of the cooling system?A. keep the engine from overheatingB. keep the engine from coolingC. keep the engine from pollution三词汇题(用线将以下单词对应的汉语意思连起来20分：每小题1分，共20题)(1). engine 汽油(2). combustion 运行mi le 汽车run on 压缩gasol i ne 底盘compression 内部的automobile 发动机exhaust 燃烧chass i s 英里i nternaI 排汽(3). steam 刚度(4). water pump 水泵cool 改善component 设计stiffness 冷却convert 零件improve 蒸汽design 转变hold together 把…结合在一起depend on 取决于...四翻译(30分：每小题2分，共15题)1. 汉翻英(短语)(1) .汽油发动机： ________________________________(2) .冷却系统：__________________________________(3) .将热传递给大气：_____________________________(4) .阻止发动机过热：_____________________________(5) .排放污染：__________________________________(6) .主要零部件： ________________________________(7) .重量和刚度： ________________________________(8) .理想的设计方案： _____________________________(9) .重的汽车：______________________________(10) .取决于：______________________________2. 英翻汉(句子)(1) . The car's chassis holds al I of the main components, or parts,together.(2) .There is no one ideal design.(3) .This depends on the we i ght of car.(4) .Stiff but not strong.(5) . It is easier for your motor to push a I ight car than a big, heavy one.五.用你所学的汽车知识设计一辆你喜欢的汽车，用笔画出它的车身模型(10分)。

3.What is it apparatus that cools the motor?A. RadiatorB. ThermostatC. CoolantD.Pump4. To avoid loss of antifreeze due to expansion, the cooling system .A. must not be completely filledB. must install a bypass valveC. must install a pressure control valveD. must be sealed5.The primary role of the distributor is to distribute high voltage fromthe to the correct cylinder.A. Spark plugB. pistonC. coil6. Spark timing is so critical to an engi ne’s performance that most modern cars use a sensor to tell the engine control unit(ECU) .A. the exact temperature of the spark plugs.B. the exact position of the pistons.C. the exact location of the coil.7. When you turn the key to a car, the starter motor will .A. send electricity to the spark plugs, then start the ignition system.B. send electricity to the fuel pump, then force the car to start.C. spin the engine a few revolutions, then start the combustion process.8.The amount of force the clutch can hold depends on the between the clutch plate and the flywheel , and how much force the spring puts on the pressure plate.A. distanceB. frictionC. relationship9. What is the most common problem associated with clutches?A. The friction material on the disk makes a whining noise.B. The friction material on the disk wears out.C. The friction material on the disk lasts too long.A manual transmission is connected to the engine through the .B. beltC. clutch. Reading Comprehension （20分）Task 1Football is, I suppose, the most popular game in England: one has only one can see them all there, shouting and cheering for one side or theOne of the most surprising things about football in England to a stranger the great knowledge of the game which even the smallest boy seems tohas photographs of them and knows the results of a large number ofMost schools in England take football seriously — much more seriously至关重要), and games are left for private arrangements. In England, it is believed education is not only a matter of filling a boy’s mind with facts in acharacter is by means of games, especially team games, where the pupils. Football is a good team game, it is good exercise for the body, it needs skill and a quick brain, it is popular and it is cheap. As a result, it is the school’s favorite game in the winter.1. In England football is a game enjoyed _______.A. only by young people.B. only by rich people.C. only by boys.D. by people of all ages and classes.2. A stranger in England will be surprised to find that in that country_______.A. people have little knowledge of football.B. girls are more interested in football than boys.C. even small boys know a lot about football.D. children are not interested in football at all.3. There is a great difference between schools in England and those in Europe in that ________.A. European schools take football seriously.B. European schools often arrange foot ball matches for their pupils.C. schools in England care little about lessons.D. schools in England believe character training to be part of education.4. According to the passage, which of the following is NOT true of the football game?A. It makes people selfish.B. It encourages cooperation.C. It is good for health.D. It is not expensive.5. What is the author’s attitude towards the football game in England?Critical.Positive.Negative.Doubtful.Task 2following it.you first arrive in the United States, you’ll be surprised at seeing are two cars for every three people. A car is so important to anroads are almost filled with cars in the States.is allowed to learn to drive in most states. 3. About 70 percent can drive.4. Many Americans prefer to live .5. It takes Americans living outside the cities no more than __________ to drive to work or back home.四. Translate the following sentences into English. (20分)1 润滑系的机油泵从油底壳抽出机油并把机油输送给发动机的所有工作部件。

汽车专业英语课程 期末考试（2012—2013 学年 第 1 学期） 本科□ 专科□√A 卷□√ B 卷□（考试时间 90 分钟）一、单词（英译汉）（本大题共 10 个小题，每小题 1.5 分，共 15 分）1. automobile2. brake3.transmission4. piston5. stroke6. diesel7. camshaft8. power train 9. intake valve10. wear二、单词（汉译英）题（本大题共 10 个小题，每小题 2 分，共 20 分）1.怠速2.曲轴3.底盘4.扭矩5.弹簧6.飞轮7.离合器8.机油 9.传感器10.线圈三、单项选择题（本大题共 10 个小题，每小题 2 分，共 20 分）（密封线内勿答题）姓名学号学院（系）年级班（密封线内勿答题）1. The four-stroke cycle operates in which order .A. intake, exhaust, power, compressionB. intake, power, compression, exhaustC. intake, compression, power, exhaust2. With the piston at the bottom of the cylinder, the valveto allow the burned exhaust gas to be expelled to the exhaust system.A. intake, closesB. exhaust, closesC. exhaust, opens3. A car engine's job is toA. Convert fuel into heatB. Convert fuel into motionC. Convert fuel into exhaust4. When the crankshaft completes four revolutions for a four-cycle engine, each cylinder will have gone through intake stroke(s).A. oneB. twoC. three5. is the life-blood of the engine.A. gasB. waterC. oil6. What is the core of a car's engineA. The spark plugB. exhaustC. The cylinder7. What determines the size and the placement of the engine block?A. The number of spark plugsB. The number of pistonsC. The number of cylinders8. In the standard engine, each cylinder has .A. four valvesB. two valvesC. one valve9. A crankshaft's job in an engine is toA. Change linear motion into rotational motionB. Keep cylinder heads in placeC. Deliver fuel to the cylinders10. The system on an internal combustion engine provides the spark that ignites the combustible air/fuel mixture in the combustion chamber.A. ignitingB. fuelC. starting四、阅读与理解（本大题共 2 个小题，每题 2 分，共 10 分）The actions taking place in the engine cylinder can be divided into four stages, or stroke. “Stroke” refers to piston movement; a stroke occurs when thepiston moves from one limiting position to the other. The upper limit of piston movement is called TDC (top dead center). The lower limit of piston movement is called BDC (bottom dead center). A stroke is piston movement from TDC to BDC or from BDC to TDC. In other words, the piston completes a stroke each time it changes its direction of motion.Where the entire cycle of events in the cylinder requires four strokes (or two crankshaft revolutions), the engines is called a four-stroke-cycle engine, or a four-cycle engine. The four piston strokes are intake, compression, power, and exhaust.1. What do we see from the paragraphs? ( )A. What is engine?B. What is stroke?C. What is cylinder?2. Which one Statement is true according the above first paragraph? ( )A. The lower limit of piston movement is called TDC (top dead center).B. A stroke is not piston movement from TDC to BDC, but from BDC to TDC.C. A four-stroke-cycle engine means that four strokes is required when it finish the whole cycle.3. What is BDC in the term of automobile industry? ( )A. Bottom dead center.B. Top dead center.C. Neither of A and B.（密封线内勿答题）姓名学号学院（系）年级 班（密封线内勿答题）4. Which one Statement is TRUE according the last paragraph? ( )A. The four strokes occur in four crankshaft revolutions.B. The four strokes occur in two crankshaft revolutions.C. The four strokes occur in one crankshaft revolutions.5. Which one Statement is TURE according the article? ( )A. The four piston strokes are intake, compression, power, and exhaust.B. The four piston strokes are intake, compression, power, and inhauls.C. The four piston strokes are intake, combining, power, and exhaust.五、看图填空题（本大题共 1 个小题，每空 1 分，共 10 分）得分评阅人分别写出以上4 副图分别代表发动机哪个冲程？（从左至右分别为图A、图B、图C、图D）A——B——C——D——On the first stroke the piston is pulled down in the cylinder by the crankshaft and connecting rod. During this time the intake valve is held。

C. convert fuel into exhaust3. A car uses a four-stroke engine. The four strokes are .A. intake, compression, ignition and exhaustB. injection, rotation, ignition and exhaustC. injection, carburetion, rotation and exhaust4.With the at the bottom of the cylinder, the exhaust valve opens to allow the burned exhaust gas to be expelled to the exhaust system.A. pistonB. valveC. camshaftD.crankshaft5.According to the method of ignition of the air-fuel mixture, engines are divided into .A. gas engine and steam engineB. gasoline engine and diesel engineC. external combustion engine and compression ignition engineD. internal combustion engine and diesel engine6.What is the core of a car’s engine?A. The cylinderB. The spark plugC. Windshield-washer fluidD.Exhaust7.Which statement about cylinder head is fault?A. The cylinder head is bolted to a very flat surface above the cylinder portion of the block.B. The cylinder head is cast into one piece from iron only.C. The cylinder head forms the upper portion of the combustion chamber.D. The cylinder head is used to hold the valves, and it has ports to allow air, fuel and exhaust to move through the engine.8. The crankshaft and connecting rod converts energy intoenergy used to drive the vehicle.B. mechanical, thermalD. mechanical, kinetic9. What causes a car to burn and lose oil?B. Radiator troubleC. A failing exhaust systemScreened intake B. oil filter C. oil pump D.oil pressure. Reading Comprehension （20分）Task 1After reading the following passage, make the correctA computer is a machine designed to perform work mathematically andor electronic means. These machines can do a great deal of Its percentage of error is about one in a billion digits. It has been The heart of an electronic computer lies in its vacuum tubes, or to solve can be solved by a computer in one minute, but in order to work properly, a computer must be given instructions and it must be programmed. Computers can be designed for many specialized purposes. They can be used to prepare patrols, guide airplane flights, direct traffic, even to play chess. Computers play an important role in automation process in plants and factories throughout the world.1.A computer is a machine designed to ______________________.A.perform work mathematicallyB.perform complicated calculationsC.store and select informationD.all of the above2.The speed with which an electronic computer works depends on its________________A.electronic circuitsB.programmerC.vacuum tubes or transistorsD.instructions3.According to the passage, computer play an important role in__________________A.automation processesB.mathematical computationsC.traffic controlD.the development of mathematical theory4.The use of computers for specialized purpose depends on the___________________A.design of the computerpower used to operate the computerdifficulty of the mathematical calculations involvedthe ability of the programmerThe passage implied that human beings differ from computers in that human beings ______________make fewer mistakesdo not have to be programmedwork more quicklyunderstand their instructionsTask 2Directions:After reading the passage, complete the statements.When Abraham Lincoln was young he worked in a store. As a clerk he articles(杂货). They added up to two dollars and six cents, or the小事)，and many clerks would dismissed it as such. But Abraham was too conscientious(认真的) to“The money must be paid back,” he decided. This would have been easy had the woman lived just round the corner, but, as the young man she lived between two and three miles away. This, however, did not to the residence of his customer. Having arrived there, he explained the matter, paid over the six cents, and returned satisfied.6. What did Abraham do when he was young?He worked as a clerk in_________________________.7. What did the woman buy?The woman bought ____________________________.8. How did he feel after he found that he had made the woman pay six cents too much?He felt ___________________________________________.9. The woman lived between____________________ miles away.10. What did Abraham do after he arrived at the residence of the woman？He explained the matter, __________________the six cents, and returned satisfied.四. Translate the following sentences into English (20分)1.今天的普通汽车由超过15000个独立的、单个的的零部件组成,这些零部件必须一起工作。

.. 一、1.Power Train: 动力传动系, 动力传动机构2.Suspension:悬挂3.Cylinder: 气缸4.Transmission: 变速器5.Gasoline: 汽油6.Final Drive: 主减速器7.Leaf Spring: 钢板弹簧8.Piston: 活塞9.TDC: 上死点（Top Dead Center）；10.Lubrication: 润滑11.Muffler: 消音器12.Planetary Gear: 行星齿轮13.Disc Brake: 盘式制动器14.Venting System: 透气系统15.Hybrid: 混合(动力)二、1.Today’s average car contains more than 15000 separate, individual parts that must work together. These parts can be grouped into four major categories: body,engine,chassis and electrical system.今天的普通汽车由超过15000个独立的、单个的的零部件组成,这些零部件必须一起工作。

这些部件可以分为四大类:身体、发动机、底盘和电气系统。

2. Gasoline and Diesel are called heat engines, the burning fuel generates heat which causes the gas inside the cylinder to increase its pressure and supply power to rotate a shaft connected to the power train.汽油和柴油叫做热力发动机,燃烧燃料产生热使得缸内压力增加并且提供动力驱动动力系统传动轴.3. An automatic transmission performs similar functions to a manual transmission except that gear selection is controlled either htdraulically or electronically. 自动变速执行的功能和手动变速器相似，只是选档选择由液压或者电气控制。

汽修英语期末试卷（共100分）姓名__________ 班级______________得分______________一．找出划线部分子母的发音与其他不同的单词。

（10分）（）A.flat B.clap C.apple D.cake（）A.clutch B. bus C.cup D.tube( )A.wheel B.see C.speed D.bed( )A.bike B.alleviate C.high D.light( )A.move B.box C.oil D.block二．汉译英(34分)（车辆的）底盘________________ 离合器___________________ 机油____________轮胎______________ 燃油_______________ 发动机___________ 能量______________车架_____________ 车桥_______________车轮_______________悬架______________速度_____________减少_______________移动______________意外事故__________________制动;刹车_____________ 转向装置___________________ 三．根据句意填上相应的单词。

(10分)1.The transmission system serves twof______________: it transmit power fromthe engine to the drive wheels.2.Steering wheel:it is a type of steeringcontrol in v_____________3.Steering: it is the h_________of the steering system。

4．Tire：to maintain and change the d_________ for the car.5.Frame: to carry the w________ of the vehicle and its passengers.四、选择题：(10分)( )1.Jenny wants________ a horse to shopping.A.rideB.ridesC.ridingD.to ride( )2.Do you enjoy _______the beautiful river.A.visitB.to visitC.visitingD.visit( ) 3.I can’t _________the news.It cann’t happen.A.moveB.hearC.findD.believe( )4.A: Oh, I have a collision.B: You shall pay _______it.A.ofB.forC.andD.at（）5.Marry:_________do you wash your car.Jenny: Once a month.A.How farB.How longC.How oftenD.How old五．连词成句。

2、The modern automatic transmission is by far the most complicated mechanical component in today’s automobile.3、Torque that is produced at the end of the crankshaft by the engine must be transmitted to the driving wheels.4、A double overhead cam engine has two cams per head. So in-line engines have two cams, and V-type engines have four.5、所以冷却系统的另一个重要作用是让发动机尽快的升温，并保持在稳定的温度范围内。

.三、Answer the following questions in English. (3×5’)1、Why do we need the cooling system in an IEC （内燃机）?2、What is the function of the braking system?3、What ’s the displacement of an engine?四、 Choose the right answer. (5×2’)1、What do almost all cars use to convert gasoline into motion? A. one-stroke combustion cycle B. two-stroke combustion cycle C. three-stroke combustion cycle D. four-stroke combustion cycle2、A car uses a four-stroke engine. The four strokes are . A. intake, compression, ignition and exhaust B. injection, rotation, ignition and exhaust C. injection, carburetion, rotation and exhaust3、What is the core of a car ’s engine?A. The cylinderB. The spark plugC. Windshield-washer fluidD.Exhaust4、What is the heart of the lubrication system, which is located in the oil pan on the bottom of the engine?A. Screened intakeB. oil filterC. oil pumpD.oil pressure relief valve5、What is the cooling agent in the liquid cooling system?A. CoolantB. AirC. LubricationD.Gasoline五、Write a short passage to describe（描述）the hybridvehicle within 300 words . (1×25’)《汽车专业英语》答案一、1、汽车2、变速器3、废气再循环4、曲轴箱强制通风5、节温器6、风扇7、方向盘8、双凸轮轴顶置9、cylinder 10、piston 11、活塞12、冲程13、thermostat 14、gear 15、电流16、散热器17、转向轮18、太阳轮19、曲轴20、传感器二、1、汽车发动机是内燃机，把燃料的热能转变成驱动汽车行驶的机械能。

硅湖职业技术学院考试试卷汽车 专业《 汽车专业英语 》课程（期末、考试）试卷一、名词翻译（英译汉）（每小题1分，共20分）1. buzzer2.cigarette lighter3.shock absorber4.blower5.instrument panel6.exhaust pipe7.resistor 8. drive shaft 9.connector10. safety belt 11. capacitor 12.transistor13.piston pin 14.pinion carrier 15.steering booster16.hydraulic control unit 17.air suspension 18. ingnition coil pressor motor20.cylinder identification sensor二、名词翻译（汉译英）（每小题1分，共15分） 1.蓄电池 2.继电器 3.弹簧4.喷油器5.二极管6.喇叭7.曲轴 8.刮水器 9.燃油泵10.调节器 11.启动机 12.分电器13.电磁阀 14发电机 15.安全气囊三、短文翻译（每小题15分，共30分）1.Principal Components ： Engine The engine acts as the power unit. The internal combustion engine is most common: this obtains its power by burning a liquid fuel inside the engine cylinder. There are two types of engine :gasoline(also calleda spark-ignition engine) and diesel(also called a compression-ignitionengine).Both engines are called heat engines; the burning fuelgenerates heat which causes the gas inside the cylinder to increase its pressure and supply power to rotate a shaft connected to thetransmission.2.ESA(Electronic Spark Advance)systemThe ESA system monitors the engine condition through the signals, which are input to the engine and ECT ECU from each sensor(input signals from 1,3,11).The best ignition time is decided according to this data and the memorized data in the engine and ECT ECU and the control signal is output to TERMINAL IDT1,IGT2 and IGT3. This signal controls the igniter to provide the best ignition timing for the driving conditions.三、技术参数翻译（每小题1分，共20分）四、缩略词翻译（每小题1分，共15分）1. MIL2.CAPS3.4WD4.DTC5.A/C6.EFI7.GPS8.IACV9.CVT 10.KS11.VSV 12.SOHC 13.VSS 14.TPS15. ABS。

汽车专业英语试题及答案一、选择题（每题2分，共20分）1. Which of the following is NOT a component of an internal combustion engine?A. CylinderB. PistonC. Spark plugD. AlternatorAnswer: D2. What is the primary function of a carburetor in a vehicle?A. To cool the engineB. To mix fuel and airC. To ignite the fuelD. To lubricate the engineAnswer: B3. What does the acronym ABS stand for in automotive technology?A. Anti-lock Braking SystemB. Automatic Brake SystemC. Advanced Braking SystemD. Auxiliary Braking SystemAnswer: A4. In a four-stroke engine, what is the term for the process where the piston moves down the cylinder to draw in air and fuel?A. Compression strokeB. Exhaust strokeC. Intake strokeD. Power strokeAnswer: C5. What is the purpose of a transmission in a vehicle?A. To generate electricityB. To control the speed and torqueC. To cool the engineD. To increase fuel efficiencyAnswer: B6. What is the term used to describe the ratio of the number of rotations of the drive wheels to the number of rotations of the engine?A. Gear ratioB. Speed ratioC. Drive ratioD. Torque ratioAnswer: B7. Which of the following is NOT a type of suspension system used in vehicles?A. Independent suspensionB. Dependent suspensionC. Semi-independent suspensionD. Non-suspensionAnswer: D8. What does the acronym HVAC stand for in a vehicle's climate control system?A. Heating, Ventilation, and CoolingB. High Voltage, Air ConditioningC. Hot Water, Ventilation, and CoolingD. Heavy Vehicle, Air ConditioningAnswer: A9. What is the main purpose of a catalytic converter in a vehicle's exhaust system?A. To reduce noiseB. To increase fuel efficiencyC. To reduce harmful emissionsD. To improve engine performanceAnswer: C10. What is the term for the system that helps a vehicle to stop by converting kinetic energy into thermal energy?A. Power steering systemB. Braking systemC. Suspension systemD. Engine cooling systemAnswer: B二、填空题（每空1分，共20分）1. The main components of an engine include the _______,_______, _______, and _______.Answer: block, head, crankshaft, camshaft2. In a vehicle, the _______ is responsible for converting the linear motion of the piston into rotational motion. Answer: crankshaft3. The _______ is a safety feature that prevents the wheels from locking up during hard braking, allowing the driver to maintain steering control.Answer: ABS4. The _______ is the system in a vehicle that provides power to the electrical components when the engine is not running. Answer: alternator5. The _______ is a type of suspension system where each wheel moves independently of the others, allowing for better handling and ride comfort.Answer: independent suspension6. The _______ is the part of the engine that controls the flow of air and fuel into the combustion chamber.Answer: intake manifold7. The _______ is the process by which a vehicle's engine converts the heat energy from combustion into mechanicalenergy.Answer: power stroke8. The _______ is the system in a vehicle that controls the temperature and quality of the air inside the cabin. Answer: HVAC9. The _______ is a device that reduces the amount of harmful gases and particulates released into the atmosphere by the vehicle's exhaust.Answer: catalytic converter10. The _______ is the system that allows a vehicle to change gears, adjusting the engine's speed and torque to match driving conditions.Answer: transmission三、简答题（每题10分，共20分）1. Explain the function of a radiator in a vehicle.Answer: A radiator in a vehicle is responsible for cooling the engine by dissipating the heat generated during combustion. It circulates coolant through a network of tubes and fins, allowing the coolant to absorb heat from the engine and then release it into the atmosphere, thus maintaining the engine at an optimal operating temperature.2. Describe the role of a differential in a vehicle's drivetrain.Answer: The differential is a gearbox located between the transmission and the drive wheels. Its primary role is to allow the wheels to rotate at different speeds when thevehicle is turning, as the outer wheel travels a greater distance than the inner wheel. This ensures that the wheels maintain traction and reduces wear on the tires, while also providing a smoother ride. Additionally, the differential can distribute torque between the wheels, which can be beneficial in situations where one wheel may lose traction,。