中石油(华东)《科技英语》2013年秋学期在线作业（四）

《科技英语》2013年秋学期在线作业（四）
试卷总分：100 奥鹏学习网（aopeng123.cn) 发布
单选题
一、单选题（共 20 道试题，共 100 分。）
V
1. ____ twice, the postman refused to deliver our letters unless we chained our dog.
A. Being bitten
B. Bitten
C. Having bitten
D. To be bitten
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2. When Bob and his friends came, we____our supper then.
A. had
B. were having
C. have
D. are having
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3. For the time being, Philips could not say when such a product as this might be ______ available, however.
A. vertically
B. commercially
C. horizontally
D. rapidly
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4. Thank heavens! You have come back home. You should be thankful that you have escaped with only ______ injuries.
A. minor
B. major
C. significant
D. abundant
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5. I know Jonathan quite well and never doubt ______ he can do a good job of it.
A. while
B. that
C. when
D. what
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6. It was in 2005 _____we began to introduce this new technique into our company.
A. which
B. then
C. when
D. that
此题选: D 满分：5 分
7. Many children,_______parents are away working in big cities, are taken good care of in the village.
A. their
B. whose
C. whom
D. those
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8. It is the business of the petroleum industry to find crude oil and gas and to ______ them from the earth on-shore and off-shore.
A. retrieve
B. exchange
C. proceed
D. change
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9. ______ is she in London than she rings up her old friend Mary.
A. Scarcely
B. Rarely
C. No sooner
D. Hardly
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10. He_____ have completed his work; otherwise, he wouldnt be enjoying himself by the seaside.
A. should
B. must
C. would
D. can
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11. Please bear in mind that correct conduction of precautions can reduce or ______ waterside corrosion to the minimum.
A. export
B. diminish
C. embrace
D. entrap
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12. There are two rooms in the house, ____serves as a kitchen.
A. the smaller of which
B. the smaller of that
C. the smallest of which
D. the smallest of that
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13. The annual income of school teachers in this place was ______ at＄900.
A. processed
B. assessed
C. summarized
D. valued
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14. Scientists have discovered genetic variations that make people more likely to get ______ on cigarettes and more prone to develop lung cancer.
A. retained
B. hooked
C. tired
D. hanged
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15. They are trying to ______ the waste discharged by the factory for profit.
A. expose
B. exhaust
C. exhibit
D. exploit
此题选: D 满分：5 分
16. Hearing the joke, all the students burst into ______ laughter.
A. visual
B. long-standing
C. spontaneous
D. contributing
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17. My uncles house in the downtown area is much smaller than ours, but it is twice______expensive.
A. as
B. so
C. too
D. very
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18. Every country tries to maintain a(n) ______ balance of trade, which assures it of the means to buy necessary imports.
A. organic
B. favorite
C. compound
D. favorable
此题选: D 满分：5 分
19. By the time he arrives in Beijing, we ________ here for two days.
A. will stay
B. have been staying
C. will have stayed
D. have stayed
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20. He____the maths examination if he had worked hard enough, but he didnt.
A. would pass
B. had passed
C. would have passed
D. passed
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