2013-2014祥云职中汽车英语期末模拟考试卷I.语法、词汇从每小题列出的四个备选项中，选出一个最佳选项。

( )1. The camshaft is driven by the crankshaft ___________ two sprockets and a chain, or by two pulleys and a belt, or by two gears.A. by any meansB. by what meansC. by all meansD. by means of( )2.Modern ignition systems usually____________ the battery, ignition coil, distributor, condenser, ignition switch , spark plugs, resistor and the necessary low and high tension wiring.A. consist ofB. consistC. are made ofD. be made up of( )3. The lubricating system can’t eliminate internal friction of engine, but can ___________ the friction to a controllable degree.A. reducingB. reduceC. reducedD. be reduced( )4. Engine displacement is always ____________ the piston displacement of one cylinder multiplied by the number of cylinders in the engine.A. equal toB. equalC. equivalentD. equality ( )5. The universal joint or U-joint has the function of ____________ the drive shaft to the transmission output shaft.A. connectB. engageC. connectedD. connecting( )6. Automobile engine has the job of ____________the heat energy of fuel __________ mechanical energy for moving the automobile.A．convert……into B．converting……into C．converts……into D. converted……into( )7..To keep the crankshaft turning smoothly between successive power strokes, a heavy wheel named ________ is attached to the end of the crankshaft.A. flywheelB. driving wheelC. steering wheelD. driven wheel( )8. The starting system has the function of providing the power to_______ the internal combustion engine ______ until it can operate under its own power.A. turn……overB. turn……toC. turn……down C. turn……off( )9. For stopping vehicle in the shortest possible distance and in as straight a lineas possible, the wheels must be prevented from____________.A. lockB. lockingC. lockedD. locks( )10. A small space between the top of the piston and the cylinder head. Which one best matches the definition?A. spark plugB. piston clearance D. combustion pressure D. combustion chamber( )11.The function of the cooling system is to _________ the heat contained in the coolant and passes this heat to the air flowing around the radiator passages or tubes. A．let go of B．leak outC．give off D．pick up( )12. The main framework of an engine which many parts attached by fasteningdevices. Which one best matches the definition?A. engine pistonB. engine cylinderC. engine blockD. engine crankshaft( )13. To lengthen the time and to accelerate the air/fuel mixture flow into the cylinders, both the intake and exhaust valves must be open at the same time for a short period. This short period is named .A. overlap valve durationB. valve durationC. valve openingD. valve closing( )14. Although the four-stroke diesel engine appears similar to the gasoline engine, there are some ____________ in design and the way in which the diesel operates.A. similarB. differencesC. differentD. similarity( )15. Which one is used to hold the vehicle in position when stooped on grade? A. the parking brake system B. the service brake systemC. drum brake systemD. disc brake system( )16. Conventional Automatic Transmission (AT) usually consists of some components, which one isn’t?A. planetary gear setsB. the torque converterC. the hydraulic systemD. synchronizers(同步器)( ) 17 The ________ tells you how many miles (kilometers) per hour your vehicle is moving.A. odometerB. trip meterC. speedometerD. tachometer( )18. The ________ tells you the total number of kilometers your vehicle has been driven.----A A. odometer B. trip meter C. speedometer D. tachometer( )19. The cooling system controls temperature through ________.----AA. heat transferB. airflowC. sensorsD. ECU( )20. The cooling system transfers heat from the engine to the _________.----BA. coolantB. circulating coolantC. circulationD. coolant circulation( )21. When the ignition switch on the “Run”, all circuits, except the starter circuit, are ________. ---AA. opened(断路)B. closedC. openD. in( )22. The starter motor then _______ the engine over so that the piston can draw in a fuel/air mixture. ----C.A. drawsB. pullsC. spins/turnsD. takes( )23. The ________ allow us to smoothly engage a spinning engine to a non-spinning transmission by controlling the slippage (滑动) between them. ----BA. gearB. clutchC. flywheelD. release fork( )24. The basic ________ consists of a sun gear, a ring gear and two or more planet gears, all remaining in constant mesh.(保持常态啮合) ---D.A. clutchB. automatic transmissionC. engineD. planetary gear set( )25. The A/C system has two major parts: The high side starts at the _______ and ends at the expansion devise.(膨胀装置)--- AA. compressorB. condenser (冷凝器)C. orifice tube （节流管）D. vacuum pumpII. 短语翻译将下列短语翻译成汉语。