北航10秋学期《大学英语4》在线作业一
试卷总分：100       测试时间：--
 单选题 

一、单选题（共 25 道试题，共 100 分。）V 1.  （ ）you（ ）further problems with your printer, contact your dealer for advice.
A. If, had
B. Have, had
C. Should, have
D. In case, had
      满分：4  分
2.  （ ）the dog. He has been chained up for hours.
A. Relax
B. Release
C. Relay
D. Reflect
      满分：4  分
3.  （ ）with his new teaching method, we need to take a critical look at our traditional ones.
A. Cursed
B. Depressed
C. Impressed
D. Fed up
      满分：4  分
4.  A defect of vision prevents him from（ ）his eyes accurately on an object.
A. emphasizing
B. relaxing
C. focusing
D. achieving
      满分：4  分
5.  Animals can become unusually ( )when they are upset by a sudden environment change.
A. puzzling
B. dominant
C. aggressive
D. vigorous
      满分：4  分
6.  （ ）her tall sisters, Susan is of average height.
A. Considering
B. Unlike
C. likely
D. Concerning
      满分：4  分
7.  （ ）his poor health he had to retire at the age of 50.
A. Thanks to
B. Because
C. Owing to
D. For
      满分：4  分
8.  As nobody here knows what is wrong with the machine, we must send for an engineer to （ ） the problem.
A. handle
B. raise
C. face
D. present
      满分：4  分
9.  "Are you worried about your son being alone in a strange country?"" （ ）___. I'm sure he'll manage fine"
A. By all means
B. Of course
C. Not in the least
D. No wonder
      满分：4  分
10.  American companies are evolving from mass-production manufacturing to（ ）enterprises.
A. moveable
B. changing
C. flexible
D. varying
      满分：4  分
11.  A pen is to a writer,（ ）a gun is to a fighter.
A. as
B. like
C. that
D. what
      满分：4  分
12.  All of us would have enjoyed the party much more if there（ ）quite such a crowd of people there.
A. weren’t
B. hasn’t been
C. hadn’t been
D. wouldn’t been
      满分：4  分
13.  Although Mary is satisfied with her success, she wonders（ ）will happen to her private life.
A. how
B. who
C. what
D. that
      满分：4  分
14.  All the streets are wet, it（ ）last night.
A. must rain
B. was raining
C. must have rained
D. rained
      满分：4  分
15.  A dutiful official never（ ）himself of his responsibility for his work.
A. reminds
B. quits
C. disposes
D. risks
      满分：4  分
16.  There are times when children feel that they could manage very well（ ）their parents would leave them alone.
A. only when
B. only if
C. when only
D. if only
      满分：4  分
17.  （ ）we seem to have conquered nature. But this is not true. Many scholars actually say that we should stop（ ）nature before it is too late.
A. On the surface, tampering to
B. On the surface, tampering with
C. On the appearance, tampering with
D. In the surface, interfering with
      满分：4  分
18.  A budget of five dollars a day is totally（ ）for a trip round Europe.
A. inadequate
B. incapable
C. incompatible
D. in valid
      满分：4  分
19.  （ ）the question of the time given to teaching preparations, there are two other requirements for a qualified teacher.
A. Except
B. Away from
C. Apart from
D. Beside from
      满分：4  分
20.  At night these busy streets during the day become（ ）of traffic.
A. vacant
B. empty
C. hollow
D. blank
      满分：4  分
21.  （ ）he gets an operation, the boy may lose his hearing forever.
A. If
B. Given
C. Even though
D. Unless
      满分：4  分
22.  An iron tool, if never used, will（ ）with rust.
A. corrupt
B. collide
C. corrode
D. concede
      满分：4  分
23.  Marlin is a young man of independent thinking who is not about（ ）compliments to his political leaders.
A. paying
B. having paid
C. to pay
D. to have paid
      满分：4  分
24.  （ ）he predicted, the scientists failed in the experiment.
A. Although
B. As
C. While
D. When
      满分：4  分
25.  （ ）concerts will be needed if we wanted to collect enough money to start a school.
A. Some other ten
B. Another ten
C. Other ten
D. Ten others
      满分：4  分
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