Question

In cars of normal design, the petrol (汽油) system is made up of three parts: storage tanks (储油箱), a pump and a carburetor (汽化器).

    The petrol tank is fitted at the back of the car where it is out of the way, yet easily filled at a gas station. Tanks are in various capacity (溶量) but they usually hold enough petrol for 250-300 miles running. Because the tank is at the opposite end of the car from the carburetor, which is fitted high up on the engine, a pump is needed to draw the petrol from one to the other, as it is from the carburetor that the petrol in finally fed into the engine. Pumps can be of two kinds: electrically operated or mechanically driven from the engine.

    1. The text tells the reason why ________.

    A. there are different types of tanks in capacity

    B. the tank is designed at the back of the car

    C. the pump in mechanically driven from the engine

    D. the petrol is fed into the engine the carburetor

    2. It is necessary to use a pump to send petrol to carburetor because ________.

    A. the engine needs supply with a certain amount of petrol

    B. the pump can press the petrol to recycle

    C. the carburetor has difficulty in drawing petrol from the tank

    D. the tank isn’t fitted in proper position

    3. According to the text one tube (管道) of the ________ may be joined to the ________ directly.

    A. pump, engine　　　　　　　　　　　　　　　　 B. carburetor, engine

C. tank, carburetor　　　　　　　　　　　　　　 D. engine, tank

 

Answer 1

答案：BCB
提示：

1．The petrol tank is fitted at the back of the car where it is out of the way, yet easily filled at a gas station.所以选择B。 2．参见文章第二段。 3．参见文章第二段。