Question

选择最恰当的单词或词语完成短文

   Each year there is an increasing number of cars on roads and streets as millions of new cars are produced. One out of every six Americans works at __1_____together the parts of cars, driving trucks, building roads or filling cars with gas. American won’t live __2___ cars!

  Most American find it___3___ to think what life would be like without a car. That’s what several of the large car factories are trying to do. But to build a clean car is easier said than__4___. Progress in this field has been slow.

   ___5__ way is to take the place of the car engine by something else. Engineers are now working on some new cars. Many makers believe that it will take years to develop a practical model that pleases man.

   To prevent the world from being polluted by cars, we’ll have to make some changes in the way many of us live. Americans, for example, have to ___6___ on the number of their cars. They are encouraged to travel and go to work by bike. Riding a bike is thought to help keep the air clean.

   But this change does not come easily—a large number of workers may find themselves without __7____ if a car factory close down. And the problem of air pollution would become less important than that of unemployment(失业).

1 A. put          B. to put           C. putting         D. puts

2 A. with         B. without         C. buy            D. afford

3 A. hard         B. easy            C. important       D. interesting

4A. do          B. to do            C. did            D. done

5 A. The other     B. Another         C. Others          D. Other

6 A. cut down     B. take off          C. take up         D. take in

7 A. money       B. jobs             C. changes        D. school

Answer 1

1C   2B   3A   4D   5B   6A   7B