Keys to the Exercises（练习答案）Unit 1EXERCISE 11. T2. F3. F4. T5. F6. TEXERCISE 21. 内燃机2. a reciprocating engine3. 废气排放4. fuel consumption5. 燃油经济性6. combustion chamber7. 混合动力汽车8. mass production9. 双燃料汽车10. air-cooled engineEXERCISE 31. A diesel engine2. internal combustion engine3. diesel engine4. converts … into5. in a reciprocating engine6. engine7. four strokes cycle8.electric enginesEXERCISE 41. C2. F3. A4. B5. E6. DEXERCISE 51. diesel engines, in many respects, work in the same way as gasoline engines2. makes the car and the truck move3. every time it was required to stop the car4. Some of parts make the car more comfortable or better looking5. if allowed to remain in the engineEXERCISE 61. years2. solve3. basically4. exhaust pipe5. without6. benefited7. based on8. in the 80’s9. runs out 10. the right sideEXERCISE 71. D2. G3. A4. J5. B6. H7. C8. F9. E 10. IEXERCISE 81. 代用燃料汽车2. 高科技汽车3. 混合动力电动汽车4. 在节气门上方5. 发动机控制系统6.发动机控制模块EXERCISE 91.1）that is stopping oil from circulating2）The engine’s valve lifters are collapsed2.1）The engine may have mechanical problems2）The engine’s piston rings may be wornEXERCISE 11.T2.F3.T4.F5.F6.FEXERCISE 21.汽油(发动)机2. in low-speed driving conditions3. 达到各种不同的目的4. higher energy density5. 电动机6. air conditioning7. 反馈制动8. power source 9.资源消耗10. dashboard displayEXERCISE 31.converts…into2. shut off3. hybrid electric vehicles4. transmission5. slow down6. generator7. the most efficient operation8. current standard vehiclesEXERCISE 41. B2.D3. A4. E5. CEXERCISE 51. reflect the spirit of the time2. electric motors, steam engines and internal combustion engines3. a speed and power changing device4. reducing fuel consumption, lowering exhausted emissions, and reducing engine noise5. are increasingly becoming more prevalentEXERCISE 61. W12 engines2. three cylinders3. rear wheel drive4. at an average speed5. currently6. based on7. camshafts8. Due toEXERCISE 71. C2. E3. A4. J5. B6. H7. D8. F9. G 10. IEXERCISE 81.可变气门相位和升程电子控制装置2.上止点3.每分钟转数4.单顶置凸轮5. 双顶置凸轮6. 下止点7.前置发动机前轮驱动8. 混合动力汽车EXERCISE 91.1）the same air pressure 2）linkage2.1）out of alignment 2）out of adjustmentEXERCISE 11. T2. F3. F4. F5. T6. FEXERCISE 21.气门机构2. pushrod engine3. 气门弹簧4. timing chain5. 气门锥面6. steel alloy7. 气门座8. timing belt 9. 挺柱10. at high engine speedEXERCISE 31. valve2. valve train3.intake and exhaust ports4. valve face5. push rods6. rocker arm7. camshaft8. valve springEXERCISE 41. C2. A3. D4. E5. B6. FEXERCISE 51. transmit the force from the camshaft to the pushrods2. the intake valves heat less during engine operation3. the valve spring provides the force necessary to close the valve4. the valve train should undergo regular maintenance5. the more power strokes produced for each revolutionEXERCISE 61. engine operation2. valve rotator3. grooves4. freely5. which6. is compressed7. causes8. against9. roll down 10. the valveEXERCISE 71. C2. F3. A4. I5. B6. D7. J8. E9. G 10. HEXERCISE 81.顶置双凸轮轴2. 顶置单凸轮轴3. 顶置气门4. 电子控制装置5. 三菱新气门相位和升程电子控制装置6. 智能可变气门相位7. 智能可变气门相位和升程电子控制装置8. 可变气门升程EXERCISE 91.1）out of alignment 2）tires2.1）low 2）the transmissionEXERCISE 11. T2. F3. T4. T5. F6. FEXERCISE 21. 一次电路2. ignition system3. 磁力场4. spark plug wire5. 曲轴正时传感器6. distributor cap7. 点火线圈一次绕组8. control module 9. 分电器触点10. breaker pointEXERCISE 31. spark plug2. ignition system3. ignition coil4. ignition switch5. An electronic ignition system6. the secondary windings7. battery8. primary windingsEXERCISE 41. D2. A3. F4. B5. C6. EEXERCISE 51. changes electron flow into light and the horn into sound2. every vehicle has its own ignition system and is started by it3. consists of these parts like spark plugs, wiring, distributor, ignition coil, andsource of electrical current4. it would soon become discharged5. The mixture comes to exploding burningEXERCISE 61. an automotive starter2. connects3. ignition switch4. simultaneously5. magnetic fields6. Immediately7. connecting plate8. So 9. meanwhile 10. keep onEXERCISE 71. D2. C3. G4. A5. B6. I7. E8. F9. J 10. HEXERCISE 81. 传统点火系统2. 电子点火系统3. 点火4. 点火上止点5. 直接点火6. 无分电器点火EXERCISE 91.1）wheel lug nuts 2）worn or damaged2.1）the correct pressure 2）needs to be replacedEXERCISE 11. T2. T3. F4. F5. T6. FEXERCISE 21.手动变速器2. automatic transmission3. 行星齿轮组4. transaxle assembly5. 差速器6. clutch pedal7. 变速杆8. release bearing 9. 发动机制动10. torque converterEXERCISE 31. manual transmissions2. a torque converter3. the power train4. the drive shaft5. The clutch6. the flywheel7. the clutch peda l8. clutch release bearingEXERCISE 41. D2. E3. A4. C5. F6. BEXERCISE 51. from the engine through the power train to the car2. If your car transmission needs repairs or replacement3. the gear ratio would be similar to third gear4. does not require any regular maintenance or adjustments5. depending on the type of drive usedEXERCISE 61. automatically2. depressing3. An automatic transmission4. other operating conditions5. down-shifts6. manually7. Depending on 8. during 9. consists of 10. reaction membersEXERCISE 71. E2. G3. A4. J5. C6. B7. I8. D9. F 10. H 11. L 12. KEXERCISE 81. 前轮驱动2. 后轮驱动3. 四轮驱动4. 动力输出5. 传动系控制模块6. 动力分配装置EXERCISE 91.1）an internal problem in transmission 2）out of adjustment or damaged2.1）internal transmission problems 2）the vacuum line is disconnectedEXERCISE 11. T2. T3. F4. T5. T6. FEXERCISE 21. 制动系统2. the parking brake3.行车制动系统4. the disk brake5.手制动6.the brake shoe7.鼓式制动器8. brake pads9. 制动性能10. brake fluidEXERCISE 31. breaking system2. Brake fluid3. the brake pedal4. slowing down5. friction6. the service brake7. The brake lining8. The brake drumEXERCISE 41. C2. A3. E4. B5. DEXERCISE 51. is actually a friction device to change power into heat2. the mechanical brakes and the hydraulic brakes3. the automobile brake system4. The tops of shoes are held apart by a wheel cylinder5. to prevent rust and corrosionEXERCISE 61. a valve2. chambers3. the brake pedal4. the power assist5. reliable6. however7. In order to8. shuts off9. after that 10. much pressureEXERCISE 71. C2. G3. A4. J5. B6. D7. I8. E9. F 10. HEXERCISE 81.制动力2. 制动调节阀3. 制动块4. 制动功率5. 平均有效制动压力6. 制动主缸EXERCISE 91.1）in the hydraulic circuit 2）dangerously worn 3）the wrong type of fluid2.1）lubrication badly 2）inside your rear brakesEXERCISE 11. T2. F3. F4. F5. T6. FEXERCISE 21. 悬架系统2. front suspension system3. 空气压缩机4. torque tube5. 桥壳定位6. coil spring7. 下控制臂8. rebound clip 9. 牵引杆10. control armEXERCISE 31. leaf springs2. suspension3. Shock absorber4. springs5. coil springs6. pivot from side to side7. torsion bars8. rebound clipsEXERCISE 41. D2. F3. A4. B5. C6. EEXERCISE 51. springs are the major component2. one of the major automobile system3. the use of suspension system has increased strength and durability ofcomponents4. transmits the weight of the body and other components to the axlesand wheels5. having a piston force fluid through a small openingEXERCISE 61. the rear axle2. front3. independently4. the latter5. Dependent front suspensions6. Basically7. a solid bar8. mainstream cars 9. move 10. especiallyEXERCISE 71. C2. G3. A4. H5. I6. J7. B8. D9. E 10. FEXERCISE 81. 悬架2. 车架高度3. 前桥4. 后桥5. 钢板弹簧6. 扭杆弹簧EXERCISE 91.1）should be replaced with the correct type2）the wrong type of fluid was put in your car2.1）pump is bad 2）be lubricated or repairedEXERCISE 11. T2. F3. F4. T5. T6. FEXERCISE 21. 齿轮齿条转向2. steering shaft3. 循环球转向4. steering wheel5. 横拉杆内接头6. steering arm7. 横拉杆外接头8. steering gear9. 机械效益10. steering systemEXERCISE 31. influence upon2. steering gear3. steering wheel4. consists of5. ball nut6. move up and down7. rack-and-pinion steering8. steering armsEXERCISE 41. D2. C3. F4. A5. B6. EEXERCISE 51. steering wheel, steering gears, linkages, and other components2. causes the pitman shaft and arm to rotate3. prevent side-slip of all automobile wheels in cornering4. steering gear plays a important role5. manual steering system and power steering systemEXERCISE 61. fluid2. manual steering gear3. larger4. a high pressure5. special oil6. same7. steering arms8. includes9. the other end 10. the intermediate rodEXERCISE 71. D2. F3. I4. A5. H6. B7. C8. E9. J10. GEXERCISE 81. 汽车稳定性控制2. 全球公认的杰作3. 防抱死制动系统4. 防抱死制动系统控制模块5. (防抱死制动系统)转速脉冲传感器6. 动力转向控制装置7. 动力转向8. 多用途赛车，运动型多用途车EXERCISE 91.1）be lubricated 2）be adjusted 3）the power steering unit2.1）bad 2）leak 3）incorrectEXERCISE 11. F2. T3. F4. F5. T6. FEXERCISE 21. 润滑系统2. moving component3. 循环机油4. compression pressure5. 集滤器6. pressure-regulator valve7. 旁通阀8. oil filter 9. 循环流体10. operating temperatureEXERCISE 31. moving parts2. oil pump3. oil pan4. lubricate5. oil filter6. friction7. drain8. passagesEXERCISE 41. D2. E3. A4. C5. B6.FEXERCISE 51. The engine can work effectively2. an automobile could not run itself3. contains mechanical parts such as the oil pump, the oil filter, the oil pressurerelief valve, etc.4. it absorbs and carries the heat away from the engine parts5. forms a good seal between piston rings and cylinder wallsEXERCISE 61. build up2. pumps3. camshaft4. suffer from5. replacement6. oil pressure7. filters8. However9. possibility 10. greatlyEXERCISE 71. F2. C3. A4. H5. B6. J7. D8. E9. G 10. IEXERCISE 81. 冷却液温度控制2. 润滑油3. 润滑油泵4. 长效冷却液5. 机油润滑轴承6.换油期限EXERCISE 91）the radiator coolant reservoir is a plastic tank near radiator2）if the level is low, remove the top of the reservoir and add coolant3）don't try to remove the radiator cap when the engine is hotEXERCISE 11. T2. F3. F4. T5. F6. TEXERCISE 21. 安全气囊模块2. gas generator3. 散热器支架4. peak load5. 固态化学气体6. trim cover7. 保护板8. airbag sensor9. 中央气囊传感器总成10. deployment of airbagsEXERCISE 31. the air bag system2. the sensor3. The inflator4. Seatbelts5. pretensioner6. collision7. a high strength fiber8. injuryEXERCISE 41. D2. F3. A4. C5. B6. EEXERCISE 51. automotive designs that reflect the feature of the time2. a center airbag sensor, safe sensors, ignition control and drive circuit, diagnosis circuit, etc.3. All connectors in the airbag system are colored yellow4. to ensure high reliability5. to be met the new SRS airbag system of the vehicleEXERCISE 61. one place2. specific model3. figuring out4. familiar with5. in the system6. the heat7. expansion valve8. adds heatEXERCISE 71. E2. H3. A4. I5. B6. J7. C8. D9. G 10. FEXERCISE 81. (乘员保护装置) 辅助约束系统2. 空气流量传感器3. (乘员) 安全气囊式约束装置4. 防抱死制动系统5. 电动空气调节阀6. 辅助空气调节EXERCISE 91）bad2）leak3）incorrect。