1. By the time you arrive in London, we ___ in Europe for two weeks.

A. shall stay B. have stayed C. will have stayed D. have been staying

2. I appreciated ____ the opportunity to study abroad two years ago.

A. having been given B. having given

C. to have been given D. to have given

3. Living in the central Australian desert has its problems, ____ obtaining water is not the least.

A. of which B. for what C. as D. whose

4. The heart is ___ intelligent than the stomach, for they are both controlled by the brain.

A. not so B. not much C. much more D. no more

5. ____ the fact that his initial experiments had failed, Prof. White persisted in his research.

A. Because of B. As to C. In spite of D. In view of

6. Jean Wagner’s most enduring contribution to the study of Afro-American poetry is his insistence that it ____ in religious, as well as worldly, frame of reference.

A. is to be analyzed B. has been analyzed

C. be analyzed D. should have been analyzed

7. The millions of calculations involved, had they been done by hand , ____ all practical value by the time they finished.

A. could lose B. would have lost C. might lose D. ought to have lost

8. No bread eaten by man is so sweet as _____ earned by his own labour.

A. one B. that C. such D. what

9. It isn’t cold enough for there ___ a frost tonight , so I can leave Jim’s car out quite safely.

A. would be B. being C. was D. to be

10. Scientists generally agree that the Earth’s climate will warm up over the next 50 to 100 years ____ it has warmed in the 20,000 years since the Ice Age.

A. as long as B. as much as C. as soon as D. as well as

20.Allen has stated [A] that he has always had [B] a great interest [C] and admiration for [D] the work of the British economist Keynes.

21. Please do not be ___ by his bad manners since he is merely trying to attract attention.

A. disregarded B. distorted C. irritated D. intervened

22. Craig assured his boss that he would ___ all his energies in doing this new job.

A. call forth B. call at C. call on D. call off

23. Too much ___ to X-rays can cause skin burns, cancer or other damage to the body.

A. disclosure B. exhibition C. contact D. exposure

24. When confronted with such questions, my mind goes ____, and I can hardly remember my own date of birth.

A. dim B. blank C. faint D. vain

25. It is well known that knowledge is the ____ condition for expansion of mind.

A. incompatible B. incredible c. indefinite D. indispensable

26. More than two hundred years ago the United States ____ from the British Empire and become an independent country.

A. got off B. pulled down C. broke away D. attached to

27. Care should be taken to decrease the length of time that one is ____ loud continuous noise.

A. subjected to B. filled with C. associated with D. dropped off

28. Some of the most important concepts in physics ____ their success to these mathematical systems.

A. oblige B. owe C. contribute D. attribute

29. As your instructor advised, you ought to spend your time on something ____ researching into.

A. precious B. worth C. worthy D. valuable

30. As a defense against air-pollution damage, many plants and animals____ a substance to absorb harmful chemicals.

A. relieve B. release C. dismiss D. discard

31. Without the friction between their feet and the ground, people would ___ be able to walk.

A. in no time B. by all means C. in no way D. on any account

32. While typing , Helen has a habit of stopping ____ to give her long and flowing hair a smooth.

A. occasionally B. simultaneously C. eventually D. promptly

33. One reason for the successes of Asian immigrants in the U.S. is that they have taken great ______to educate their children.

A. efforts B. pains C. attempts D. endeavours

34.If any man here does not agree with me, he should ____his own plan for improving the living conditions of these people.

A. put on B. put out c. put in d. put forward

35.I support your decision, but I should also make it clear that I am not going to be ____to it.

A. connected B. fastened C. bound D. stuck

36.The English language contains a(n)_____of words which are comparative seldom used in ordinary conversation.

A. altitude B. latitude C. multitude D. attitude

37. In my opinion, you can widen the ____of these improvements through your active participation.

A. dimension B. volume C. magnitude D. scope

38.Your improper words will give _____to doubts concerning your true intentions.

A. rise B. reason C. suspicion D. impulse

39.The news item about the fire is followed by a detailed report made _____.

A. on the spot B. on the site C. on the location D. on the ground

40.The remarkable ______of life on the Galopagos Islands inspired Charles Darwin to establish  his theory of evolution.

A. classification B. variety C. density D. diversion

答案：

l. C 2. A 3. A 4. D 5. C

6. C 7. B 8. B 9. D 10. B

21. C 22. A 23. D 24. B 25. D

26. C 27. A 28. B 29. B 30. B

31. C 32. A 33. B 34. D 35. C

36. C 37. D 38. A 39. A 40. B