华东石油《科技英语》2011年秋学期在线作业（四）

久爱奥鹏晓林

一、单选题（共 20 道试题，共 100 分。）V 1.  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
2.  ____ 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
3.  It was in 2005 _____we began to introduce this new technique into our company.
A. which
B. then
C. when
D. that
      满分：5  分
4.  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
5.  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
      满分：5  分
6.  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
7.  We must put the ______ side of the policy into consideration to avoid possible mistakes.
A. converse
B. reverse
C. reserve
D. revise
      满分：5  分
8.  Hearing the joke, all the students burst into ______ laughter.
A. visual
B. long-standing
C. spontaneous
D. contributing
      满分：5  分
9.  The annual income of school teachers in this place was ______ at＄900.
A. processed
B. assessed
C. summarized
D. valued
      满分：5  分
10.  I know Jonathan quite well and never doubt ______he can do a good job of it.
A. while
B. that
C. when
D. what
      满分：5  分
11.  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
12.  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
13.  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
14.  You must speak slowly, so that you can make yourself ________.
A. understood
B. understand
C. understanding
D. to understand
      满分：5  分
15.  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
      满分：5  分
16.  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
17.  When Bob and his friends came, we____our supper then.
A. had
B. were having
C. have
D. are having
      满分：5  分
18.  The methods used to achieve these aims will be described later, and ______ can be seen broadly as a focusing on to a target.
A. up to now
B. so far
C. as yet
D. for the present
      满分：5  分
19.  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
20.  He_____ have completed his work; otherwise, he wouldn't be enjoying himself by the seaside.
A. should
B. must
C. would
D. can
      满分：5  分