12春北航《民航英语1》在线作业三

谋学网

一、单选题（共 25 道试题，共 100 分。）V 1.  Such crimes may be so complex that months or years go by before anyone () them.
A. discovered
B. will discover
C. would have discovered
D. discovers
      满分：4  分
2.  This research has attracted wide coverage in the () and has featured on BBC television’s Tomorrow’s World.
A. data
B. source
C. message
D. media
      满分：4  分
3.  It is important to () between the rules of grammar and the conventions of written language.
A. determine
B. identify
C. explore
D. distinguish
      满分：4  分
4.  While crossing the mountain area, all the men carried guns lest they () by wild animals.
A. should be attacked
B. had been attacked
C. must be attacked
D. would be attacked
      满分：4  分
5.  The doctor had almost lost hope at one point, but the patient finally ().
A. pulled out
B. pulled through
C. pulled up
D. pulled over
      满分：4  分
6.  Residents were cutting their lawns, washing their cars and otherwise () a pleasant, sunny day.
A. idling away
B. taking away
C. chasing away
D. driving away
      满分：4  分
7.  He said that the driver must have had an accident; otherwise he () by then.
A. would have arrived
B. must have arrived
C. should arrive
D. would arrive
      满分：4  分
8.  Our manager is () an important customer now and he will be back this afternoon.
A. calling on
B. calling in
C. calling up
D. calling for
      满分：4  分
9.  Techniques for () sleep would involve learning to control both mind and body so that sleep can occur.
A. cultivating
B. promoting
C. pushing
D. strengthening
      满分：4  分
10.  Owing to () competition among the airlines, travel expenses have been reduced considerably.
A. fierce
B. strained
C. eager
D. critical
      满分：4  分
11.  In India more than one hundred languages are spoken, () which only fourteen are recognized as official.
A. of
B. in
C. with
D. within
      满分：4  分
12.  Vitamins are complex () that the body requires in very small mounts.
A. matters
B. materials
C. particles
D. substances
      满分：4  分
13.  () the help of their group, we would not have succeeded in the investigation.
A. Besides
B. Regardless of
C. But for
D. Despite
      满分：4  分
14.  I had just posted the letter when I remembered that hadn’t () the cheque.
A. imposed
B. involved
C. enclosed
D. contained
      满分：4  分
15.  His wife is constantly finding () with him, which makes him very angry.
A. errors
B. shortcomings
C. fault
D. flaw
      满分：4  分
16.  In Africa, educational costs are very low for those who are () enough to get into universities.
A. ambitious
B. fortunate
C. aggressive
D. substantial
      满分：4  分
17.  It is too early to say whether IBM’s competitors will be able to () their products to the new hardware at an affordable cost.
A. adapt
B. stick
C. yield
D. adopt
      满分：4  分
18.  All her energies are () upon her children and she seems to have little time for anything else.
A. guided
B. aimed
C. directed
D. focused
      满分：4  分
19.  It is high time that such practices ().
A. are ended
B. be ended
C. were ended
D. must be ended
      满分：4  分
20.  They always give the vacant seats to () comes first.
A. whoever
B. whomever
C. who
D. whom
      满分：4  分
21.  John doesn’t believe in () medicine; he has some remedies of his own.
A. standard
B. regular
C. routine
D. conventional
      满分：4  分
22.  She had a tense expression on her face, () she were expecting trouble.
A. even though
B. as though
C. even as
D. now that
      满分：4  分
23.  If people feel hopeless, they don’t bother to () the skills they need to succeed.
A. adopt
B. acquire
C. accumulate
D. assemble
      满分：4  分
24.  They were () admission to the military exhibition because they were foreigners.
A. denied
B. declined
C. deprived
D. rejected
      满分：4  分
25.  Anna was reading a piece of science fiction, completely () to the outside world.
A. having been lost
B. to be lost
C. losing
D. lost
      满分：4  分