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16秋中石油华东《科技英语》在线作业（三）
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一、单选题：
1.In recent years many football clubs( )as business to make a profit. (满分:5)
A. are run
B. have been run
C. had been run
D. will be run
2.We must put the ( ) side of the policy into consideration to avoid possible mistakes. (满分:5)
A. converse
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B. reverse
C. reserve
D. revise
3.For the time being, Philips could not say when such a product as this might be ( ) available, however. (满分:5)
A. vertically
B. commercially
C. horizontally
D. rapidly
4.Every country tries to maintain a(n) ( ) balance of trade, which assures it of the means to buy necessary imports. (满分:5)
A. organic
B. favorite
C. compound
D. favorable
5.Scientists have discovered genetic variations that make people more likely to get ( ) on cigarettes and more prone to develop lung cancer. (满分:5)
A. retained
B. hooked
C. tired
D. hanged
6.He changed his name, ( )that nobody would find out what he had done before. (满分:5)
A. thought
B. to think
C. thinks
D. thinking
7.By the time he arrives in Beijing, we ( )( ) here for two days. (满分:5)
A. will stay
B. have been staying
C. will have stayed
D. have stayed
8.How many more decades will have to pass ( )scientists succeed in providing a cure for cancer？ (满分:5)
A. when
B. before
C. since
D. until
9.Having taken our seats,( ). (满分:5)
A. the professor began the lecture
B. the lecture began in no time
C. we were attracted by the lecturer immediately
D. the bell announced the beginning of the lecture
10.They are trying to ( ) the waste discharged by the factory for profit. (满分:5)
A. expose
B. exhaust
C. exhibit
D. exploit
11.The city council tries to ensure that any new building is ( ) with the existing appearance of the city (满分:5)
A. compiled
B. integrated
C. accorded
D. facilitated
12.In his book the author explains in details the ten most important ( ) of economics and illustrates their application in some fields (满分:5)
A. progress
B. principles
C. proposals
D. procedures
13.Different management practices might be the ( ) for the company’s problems (满分:5)
A. treatment
B. lure
C. measures
D. cure
14.If individuals are awakened each time as they began a dream phase of sleep, they are likely to become irritable even if their total amount of sleep has been ( ) (满分:5)
A. efficient
B. sufficient
C. deficient
D. proficient
15.( ) is she in London than she rings up her old friend Mary. (满分:5)
A. Scarcely
B. Rarely
C. No sooner
D. Hardly
16.When Bob and his friends came, we( )our supper then. (满分:5)
A. had
B. were having
C. have
D. are having
17.If it( )tomorrow, we will stay indoors to have our training class. (满分:5)
A. rains
B. rained
C. will rain
D. is raining
18.He( )the maths examination if he had worked hard enough, but he didn't. (满分:5)
A. would pass
B. had passed
C. would have passed
D. passed
19.Her brother ( ) to leave her in the dark room alone when she disobeyed his order (满分:5)
A. declared
B. threatened
C. warned
D. exclaimed
20.You can, ( )the sky is clear, see as far as the old temple on top of the mountain, but not today. (满分:5)
A. when
B. where
C. though
D. because
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