大学英语四级试卷
（满分120分，考试时间90分钟）
一、选择题：（本题共20小题，每小题3分，共60分）
1. A thorough overhauling of the accounts has revealed ______ a tax evader.
A. him being B. him to be
C. that he be D. that he had been
2. The flowers need ______. Would you like me to do it for you?
A. watering
B. to water
C. water
D. to be watering
3. I shall be busy next Monday. I ______ classes the whole morning and ______ a lecture in the afternoon.
A. have, attend
B. am having, would attend
C. would have, would attend
D. shall be having, shall be attending
4. The examination has been cancelled. You ______ all the revision, after all.
A. didn’t need to have done
B. needn’t have done
C. need to do
D. needn’t do
5. –I phoned you ay 9 this morning but got no answer.
--I am sorry. I ______ the bell, I ______ in the garden.
A. didn’t have heard, must have been
B. didn’t have heard, must be
C. didn’t hear, must have been
D. didn’t hear, must be
6. Bacon and eggs _______ common Sunday breakfast in England.
A. is an
B. are the
C. is a
D. are
7. Mr. Ma can not only play ______ chess very well but also play _______ piano.
A. /, /
B. the, /
C. /, a
D. /, the
8. Professor Jones, the man who discovered _______ new drug that everyone is talking about, refused to give _________ press conference.
A. a, a
B. the, the
C. a, the
D. the, a
9. He was taken _____ prisoner in the war and spent ______ next two years in a prisoner-of-war camp in the south.
A. /, the
B. the, a
C. the, /
D. the, the
10. ______ computer is more essential to a modern business than ________
typewriter.
A. The, the
B. /, /
C. A, the
D. The, a
11. His father had promised to buy him a computer ______ he behaved himself.
A. in case
B. while
C. after
D. provided
12. They climbed to the top of the hill _______ they could get a bird's-eye view of the city.
A. for fear that B. in order that C. in case D. as a result
13. _____ You are free tonight, why not drop in and play chess with me?
A. For
B. Since
C. Because
D. Even if
14. ______ people depend on such a great extent on forest, every effort must be made to preserve trees and wildlife.
A. How
B. That
C. Since
D. Which
15. _______ he did anything else, Mr. Williams spent a year haunting medical
institutions and getting introductions to scientists of his repute.
A. Although
B. Since
C. Before
D. Immediately after
16. She said she wouldn't call us the next day, _____ she?
A. would B. wouldn't C. did D. didn't
17. Nobody came to see me while I was out, _____?
A. did they B. didn't while C. did she D. didn't she
18. There's no water in the bottle, ________?
A. isn't there B. is there
C. hasn't there D. has there
19. No one was absent from the meeting, _______?
A. was she B. weren't she C. were they D. weren't they
20. You needn't speak so loudly, _____?
A. don't you B. do you
C. needn't you D. need you
Space is a dangerous place, not only because of meteors(流星) but also because of rays from thesun and other stars.The atmosphere again acts 1 our protective blanket on 2 .Light gets through, and thisis essential 3 plants to make the food which we 4 .Heat, 5 , makes our environments tolerable and some ultraviolet rays(紫外线的) penetrate the 6 .Cosmic(宇宙的) rays of various kinds come 7 the air fromouter space, but 8 quantities of radiation from the sun are screened off. 9 men leave the atmosphere theyare 10 to this radiation; 11 their spacesuits or the walls of their spacecraft, if they are inside, 12 prevent alot of radiation damage.Radiation is the greatest known danger to explorers in 13 .Doses
of radiation are measured in 14 called“rems (雷目)”.We all 15 radiation here on earth from the sun, from cosmic rays and from radioactive minerals.The“ 16 ”dose of radiation that we receive each year is about twomillirems; it 17 according toswheresyou live, and this is a very rough estimate.Scientists have reason tothink 18 a man can 19 far more radiation 20 without being damaged; the figure of 60 rems has beenagree D.
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