EXERCISE 1

1. F 2. T 3. F 4. F 5. T 6. F

EXERCISE 2

1. 润滑系统 2. moving component 3. 循环机油 4. compression pressure

5. 集滤器 6. pressure-regulator valve 7. 旁通阀

8. oil filter 9. 循环流体 10. operating temperature

EXERCISE 3

1. moving parts 2. oil pump 3. oil pan 4. lubricate

5. oil filter 6. friction 7. drain 8. passages

EXERCISE 4

1. D 2. E 3. A 4. C 5. B 6.F

EXERCISE 5

1. The engine can work effectively

2. an automobile could not run itself

3. contains mechanical parts such as the oil pump, the oil filter, the oil pressure

relief valve, etc.

4. it absorbs and carries the heat away from the engine parts

5. forms a good seal between piston rings and cylinder walls

EXERCISE 6

1. build up 2. pumps 3. camshaft 4. suffer from 5. replacement

6. oil pressure 7. filters 8. However 9. possibility 10. greatly

EXERCISE 7

1. F 2. C 3. A 4. H 5. B 6. J 7. D 8. E 9. G 10. I

EXERCISE 8

1. 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 9

1）the radiator coolant reservoir is a plastic tank near radiator

2）if the level is low, remove the top of the reservoir and add coolant

3）don't try to remove the radiator cap when the engine is hot