华东石油《科技英语》2012年秋学期在线作业（四）

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一、单选题（共 20 道试题，共 100 分。）V 1.  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
      满分：5  分
2.  It seemed as though nothing could stop the ship from wrecking itself on the shore, where leaking fuel or an escape of Norway rats could ______ an ecological catastrophe(灾难) for wildlife.
A. release
B. blunt
C. trigger
D. boost
      满分：5  分
3.  He____the maths examination if he had worked hard enough, but he didn't.
A. would pass
B. had passed
C. would have passed
D. passed
      满分：5  分
4.  The views of young people today on politics, social attitudes and life goals greatly ______ from their baby boomer parents.
A. distinct
B. differ
C. different
D. distinctive
      满分：5  分
5.  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
      满分：5  分
6.  If it_____tomorrow, we will stay indoors to have our training class.
A. rains
B. rained
C. will rain
D. is raining
      满分：5  分
7.  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
      满分：5  分
8.  They are trying to ______ the waste discharged by the factory for profit.
A. expose
B. exhaust
C. exhibit
D. exploit
      满分：5  分
9.  My uncle's house in the downtown area is much smaller than ours, but it is twice______expensive.
A. as
B. so
C. too
D. very
      满分：5  分
10.  ______ is she in London than she rings up her old friend Mary.
A. Scarcely
B. Rarely
C. No sooner
D. Hardly
      满分：5  分
11.  A marine shale, once believed to be a black mud rich in organic compounds, is a common source rock to ______ oil.
A. block
B. discover
C. originate
D. prevent
      满分：5  分
12.  He left orders that nothing ______ until the police arrived.
A. was touched
B. had been touched
C. should be touched
D. was to be touched
      满分：5  分
13.  When Bob and his friends came, we____our supper then.
A. had
B. were having
C. have
D. are having
      满分：5  分
14.  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
      满分：5  分
15.  You must speak slowly, so that you can make yourself ________.
A. understood
B. understand
C. understanding
D. to understand
      满分：5  分
16.  ____ 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
      满分：5  分
17.  How many more decades will have to pass ______scientists succeed in providing a cure for cancer？
A. when
B. before
C. since
D. until
      满分：5  分
18.  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
      满分：5  分
19.  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
      满分：5  分
20.  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
      满分：5  分

谋学网: www.mouxue.com 主要提供奥鹏作业资料，奥鹏在线作业资料，奥鹏离线作业资料以及奥鹏毕业论文，致力打造中国最专业远程教育辅导社区。