大学英语英语4课后练习.doc

1. the aircraft base is protected with specially designed shelters which are built to _- ground and air attacks.a. launch b. withstand c. contest d. contend2. Im pleased to hear of your job offerall that hard work at school has obviously _. a. paid off b. taken its toll c. make a difference d. shown up3. the talks might _ for weeks before any concrete result is announced.a. press on b. drag on c. get bogged down d. hold out4. we need someone really _ who can organize the office and make it run smoothly. a. crucial b. realistic c. essential d. efficient5. once Mrs. Kirkpatric _ you in conversation, youre stuck with her for at least half an hour. a. submerge b.engages c. occupies d. hazard6. Their refusal to compromise is a major _ that stands in the way of further peace talks. a. obstacle b. complication c. entity d. hazards 7. However, the new law, once passed, will _ the Biordlington agreement illegal by giving workers the right to join unions of their choice. a. convert b. render c. cancel d. eliminate8. I will hold you personally _ if anything goes wrong in the project. a. destructive b. lucrative c. diverse d. responsible9. Due to his recent failure to meet the deadline, Jason is _ from the list for promotion. a. eliminated b. retreated c. pried d. wrenched 10. The intelligence department was accused of failure to _ the troops to the possibility of an enemy attack during the weekend. a. instruct b. warn c. dictate d. alert11. Now that weve got a loan from the bank, our project is financially _. a. constructive b. feasible c. favorable d. stiff12. Under normal circumstances the body can _ these naturally occurring substances into vitamins. a. convert b. render c. derive d. originate 13. This courses focused on the _ of economic analysis to the problems of inflation, unemployment , the balance of payments and enterprise behavior. a. conception b. combination c. application d. introduction 14. You can _ the video camera on a tripod , so that you dont have to worry about holding it steady while you ask questions. a. withstand b. mount c. implement d. dwell 15. The camps are not usually tent-type camps. They are mostly long-established, _ structures, often with strange Indian names. a. permanent b. historical c. monotonous d. raw16. A firm might sometimes sell at a loss to drive a competitor out of business, and _ increase its market power. a. therefore b. thereby c. hence d. further 17. _ students should be motivated by a keen interest in theater and should have some familiarity with plays in production. a. prospective b. responsible c. ethnic d. realistic18. Our postgraduate students are fully integrated into the department research _ and, in addition, participate in the Postgraduate Education Program. a. cooperation b. endeavor c. administration d. network19. As a reporter, I was paid to _ into other peoples lives. a. pry b. convert c. blurt d carve20. The ball was _ out of his grasp by a player on the other team. a. wrenched b. contested c. interrupted d. sucked21. As he walked out of the court, he was _ with frustration and rage. a. applauding b. quivering c. paralyzing d. limping22. AIDS activists permanently changed and shortened Americas _process for testing and approving new drugs of all kinds, for all disease. a. efficient b. stagnant c. intricate d. appropriate 23. Some of the tunnels in the cliff are natural, some were _ out. a. carved b. pried c. penetrated d. decorated 24. The doctor _ Billys operation with x-rays and special exercises to make him stronger. a. went after b. followed up c. started up d. took on 25. People from different cultures have different _ of the world. a. impressions b. implications c. foundations d. conceptions 26. Do not let his criticism _ you; he belongs to the kind of people who take delight in finding fault with others work. a. discourage b. concern c. dictate d. paralyze 27. The survey found 80% of viewers were _ by the violent scenes in the film. a. eliminated b. alerted c. offended d. discouraged28. The mayor promised to trim the city budget without cutting _ services. a. essential b. appropriate c. equivalent d. lucrative 29. In todays working world