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1. The problem ________ when the students refused to do their homework. A. arose B. aroused C. rose D. raised

2. When he suddenly ________ up the subject of genetic engineering, there was an embarrassed silence. A. took B. brought C. showed D. came

3. ________ so many people in the United States been out of work as today. A. More than ever before

B. In the past, there have never C. Never before have

D. Formerly, there never were

4. It ________ as a shock to realize that I was not alone in the room. A. came B. appeared C. arrived D. reached

5. Since William had been seriously ill for several months, his parents were worried about ________ to return to school full-time. A. he wanted B. he wanting C. him to want D. his wanting

6. The association is ________ to raising funds to help the blind. A. conducted B. committed C. concentrated D. concerned

7. I won't ________ those children making a noise in my house! A. allow B. let C. have D. permit

8. The TV station, in ________ to massive popular demand, decided to continue the soap opera (肥皂剧). A. regard B. relation C. respect D. response

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9. The opposition leaders ________ the government for not taking action sooner. A. warned B. criticized C. threatened D. urged

10. In some schools children who prefer to read books rather than ________ football become social outcasts (被抛弃者). A. play B. playing C. to play D. to playing

11. Others argue that since the earth has endured a long string of ice ages in the last two million to three million years, any warming is ________ to be temporary. A. seemed B. likely C. tended D. possible

12. ________ the concert had begun did we realize what a splendid show it was going to be.

A. No sooner B. Only after C. Hardly D. Scarcely

13. ________, John has been to several foreign countries. A. Even he is young B. Young though he is

C. In spite of he is young D. Young is as he

14. ________ they've got to know each other a little better, they get along just fine.

A. Due to B. Ever since C. Now that

D. Regardless of 15. She got a job as an assistant stage manager at the Cambridge Arts Festival Theatre, thinking that it might ________ to a career as a playwright (剧作家). A. pave the way B. work wonder C. point out

D. stand a chance

16. Human behavior is mostly a product of learning ________ the behavior of animals depends mainly on instinct. A. so B. unless

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C. if D. while

17. After so many days without rain, the ground quickly ________ the little rain that fell last night. A. dropped B. flooded C. grasped D. absorbed

18. If you want to find a decent location for your own home, ________ Mr. Smith for advice. A. turn to

B. pass through C. shut in D. write up

19. Senior members of the staff competed eagerly ________ the position of sales manager in the company. A. in B. with C. for D. on

20. It was three British sportsmen who ________ banned drugs. A. were catching taking B. caught to take C. caught in taking D. were caught taking

21. The address book ________ the email addresses of your friends or groups of colleagues.

A. makes it easy to recall B. makes it easy recall C. makes easy to recall D. makes recall it easy

22. She ________ her nervousness to the importance of the interview. A. contributed B. dedicated C. distributed D. attributed

23. We regret to ________ that it may not be possible to deal with every request. A. put off B. pass on C. help along D. point out

24. General Motors, one of the world's largest auto manufacturers, is expanding its

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