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1、汽车实用英语教学辅导第一部分 教学辅导说明汽车实用英语是中央广播电视大学人才培养模式改革和开放教育试点汽车专业（维修方向）(开放专科)的选修课。本课程的任务是结合汽车专业的实际需求，较系统的学习专业外语知识。要求同学们以教材为主，形成性考核作业册为辅，结合实训、录像教材、直播课堂、网上资源等，全面、系统、多层次地学习文字教材。抓住重点，做到理解、领会，勿死记硬背，争取做到举一反三；注意各部分容的融会贯通，注意归纳总结，全书共分为三十课的容，要求同学们每学完一课的容，自己亲自动手认真进行本节小结，学会运用所学知识进行一般现象分析；重视形成性考核作业册和文字教材中复习思考题，做好自我检查，及时复习
2、、巩固所学知识。第二部分 各章主要容第1课 History of Automobile本课主要介绍了汽车的发展史。具体要求如下：一、重点掌握1 词汇：automobile, vehicle, auto, motor vehicle, MPV, engine, internal combustion engine, fuel, gasoline, petrol, diesel, wheel, crankshaft, piston, cylinder, stroke, four-stroke engine, motorcycle, carburetor, assembly line, transp
3、ortation, spark plug, front, rear, body2 句子：1）The automobile as we know it was not invented in a single day by a single inventor. The history of the automobile reflects an evolution that took place worldwide. It is estimated that over 100,000 patents created the modern automobile.2）An internal combu
4、stion engine is any engine that uses the explosive combustion of fuel to push a piston within a cylinder - the pistons movement turns a crankshaft that then turns the car wheels via a chain or a drive shaft. 二、一般掌握 1课文后的词汇2阅读课文，基本理解。三、一般了解1汽车发展史；2回答课文后问题。第2课 Introduction to Automobile 本课介绍了汽车的基本结构、各
5、个主要部件的工作原理，以及汽车对社会的影响。具体要求如下： 一、重点掌握1 词汇：Chassis, electrical system, shaft, driven shaft, driven wheel, gear, piston engine, compression, ignition, spark ignition(SI), compression ignition(CI),suspension system, braking system, steering system, driving system, transmission, transmit, gearbox, final
6、drive, differential, clutch, torque, power, neutral, neutral gear, reverse gear, spring, steering wheel, ABS, battery, hood, trunk deck, charge, wear, pressure, temperature, axle, frame, speed, maintain 3 句子：1）The vehicle can be usually subdivided into several major categories: the body, the engine
7、or power source, the chassis and the electrical system. 2）The main components of the transmission system are the clutch, gearbox, final drive, and differential.3）Two types of brakes are used in modern cars: drum brakes and disc brakes. 4）The major parts of electrical system in a car include the batt
8、ery, the starting system, the charging system, the ignition system, the lighting system, the auxiliary system and some electronic devices used on modern automobiles. .二、一般掌握 1课文后的词汇2阅读课文，基本理解。三、一般了解1汽车基本结构；2汽车与社会3. 回答课文后问题。第3课 Engine Fundamentals本课介绍了发动机的基本术语、四冲程发动机的基本结构以及工作原理。具体要求如下：一、重点掌握1.词汇：Cycl
9、e, Top Dead Center(TDC), Bottom Dead Center(BDC), filter, air filter, oil filter, fuel filter, pump, water pump, fuel pump, oil pump, oil, injection, nozzle, electronic, electrical, intake, exhaust, valve, compress, lubricate, cooling system, water jacket, coolant, antifreeze, volume, combustion cha
10、mber, air-fuel mixture, swept volume, total capacity, multi-cylinder engine, clearance volume, compression ratio, emission control system, fuel tank, oil pan2 句子：1)This term is used to describe the movement of the piston from one extreme position to the other extreme position inside the engine cylin
11、der, e.g. from the highest to the lowest position it can reach, or vice-versa (lowest to highest position). 【第15页 1.2 stroke】2)The electronic control unit (ECU) controls the fuel injection nozzles to inject the small quantity of fuel into the intake ports to produce the air-fuel mixture that then fl
12、ows into the cylinders where it is ignited and burns. 【第16页2.1 fuel system】3)The engine has many moving metal parts. If metal parts rub against each other, they will wear rapidly. To prevent this, engines have lubricating systems that flood all moving parts with a coating of lubricating oil. 【第17页2.
13、3 lubricating system】4)The second stroke causes an upward motion of the piston. The space above the piston is now sealed due to the inlet valve closing and the exhaust valve having already closed. This upward motion of the piston causes the petrol/air mixture to be compressed and the result is an in
14、crease in pressure and temperature of the mixture. 【第18页3.2 compression stroke】二、一般掌握 1课文后的词汇2阅读课文，基本理解。三、一般了解1发动机基本结构及工作过程2. 回答课文后问题第4课 Diesel Engine本课对柴油机进行了介绍，主要包括柴油机的工作原理、柴油机的供油系统。具体要求如下：一、重点掌握1.词汇：Spray, inject, self-ignition, transmit, accelerate, coach, lorry, tank, low-pressure pipe, fuel fi
15、lter, fuel lift pump, fuel injection pump, high-pressure pipe, fuel injector, fuel leak-off pipe, liter, filler neck, in-line pump, distributor Pump Assembly (DPA), camshaft 2.句子：1) The diesel engines are compression ignition engines. The diesel engine uses the heat of compression to ignite the fuel.2) One major difference between a diesel engine and a petrol engine is that the diesel engine has a very high compression ratio.3) Compression ignition engines are efficient, last longer and are cheaper to maintain than petrol engines but are sometimes expensive, noisier and slower to accelerate.
