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1、练习题一一、单词互译 (每空1 分，共 20 分)A英译汉 共10题 每题一分1、 Automobile 2、 Classification 3、 Combustion 4、 Chamber 5、 Circulate 6、 Crankshaft 7、 Antifreeze 8、 Carburetor 9、 Mechanics 10、Airfuel mixture B 汉译英 共10 题 每题一分1、 连杆n. 2 、点燃 n.3 、简洁地 adv. 4 、（使）旋转 v. 5 、发动机n. 6 、要求v. 7 、输送v. 8 、活塞n. 9 、系统n. 10、气缸n.二、词汇和语法（每小题1分
2、，共20分）1、The _ of piston movement is called TDC (top dead center).A、upper limit B、lower limit C、limit2、The _ of piston movement is called BDC (bottom dead center).A、lower limit B、upper limit C、limit3、A _ is piston movement from TDC to BDC or from BDC to TDC.A、stroke B、stage C、state4、The _ is rotated
3、as the piston is pushed down by the pressure above it.A、crankshaft B、crankpin C、break5、The actions _ can be divided into four stages, or strokes.A、taken place in the engine cylinderB、taking place in the engine cylinderC、take place in the engine cylinder6、In other words, the piston completes a stroke
4、 _ it charges its direction of motion.A、every time B、each time C、each times7、”Stroke” _ piston movement.A、refer to B、refers to C、prefer to8、A stroke occurs _ the piston moves from one limiting position to the other.A、while B、when C、which9、By the time the piston reaches TDC, the mixture _ to as littl
5、e as one-tenth of its original volume, or over less.A、had been compressed B、has been compressed C、compressed10、When the air-fuel mixture is compressed, _ does the pressure in the cylinder go up, _ the temperature of the mixture_ increases.A、not onlybut also B、not onlybut and C、notbut 11、The cylinder
6、 pressure _ as much as 3-5 Mpa or even more.A、go up B、increases C、add12. But as the higher pressures is called upon to withstand very much greater stresses higher pressures in cylinders. A. because B. because of C. due to13. The diesel engine is more efficient, because it higher compression ratio. A
7、. have B. has C. had14. This advantage prevents the diesel engine replacing the gasoline engine in some automobiles and airplanes. A. to B. for C. from15. In any internal combustion engine burning fuel heats air consequently.A. which B. that C. when16. We all know that diesel engines ( ) work in the
8、 same way as gasoline engine do.A. in principle B. in other words C. in turn 17. Up to 40 per cent of the chemical energy of the burning fuel changed into mechanical energy. A. will be B. would be C. may be 18. As it were, into waiting charge at the required instant.A. a B. an C. the19. It has more
9、substantial construction and is thus heavier.A. to be of B. to be C. to be that20. The same series of events take place again and continue the engine runs.A. when B. as C. as long as 三、阅读与理解（20题，每题2分，共40分）Part 1The actions taking place in the engine cylinder can be divided into four stages, or strok
10、e. “Stroke” refers to piston movement; a stroke occurs when the piston 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
11、 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 p
12、iston strokes are intake, compression, power, and exhaust.1. What do we see from the paragraphs? ( )A. What is stroke? B. What is engine? C. What is cylinder?2. Which one Statement is true according the above first paragraph? ( ) A. A four-stroke-cycle engine means that four strokes is required when
13、 it finish the whole cycle. B. A stroke is not piston movement from TDC to BDC, but from BDC to TDC.C. The lower limit of piston movement is called TDC (top dead center).3. What is BDC in the term of automobile industry? ( ) A. Bottom dead center. B. Top dead center. C. Neither of A and B.4. Which o
14、ne Statement is TRUE according the last paragraph? ( ) A. The four strokes occur in two crankshaft revolutions. B. The four strokes occur in four 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. T
