北京航空航天大学《大学英语4》在线作业

北航《大学英语4》在线作业
试卷总分：100
单选题


一、单选题（共 25 道试题，共 100 分。）
1.I don’t know why she avoids（ ）her opinion on the subject.
A. to give
B. to be given
C. giving
D. being given

2.（ ）her tall sisters, Susan is of average height.
A. Considering
B. Unlike
C. likely
D. Concerning

3.I haven’t seen Ann for（ ）long that I’ve forgotten what she looks like.
A. such
B. very
C. so
D. too

4.American companies are evolving from mass-production manufacturing to（ ）enterprises.
A. moveable
B. changing
C. flexible
D. varying

5.He asked me to lend him some money, which I agreed to do,（ ）that he paid me back the following week.
A. on occasion
B. on purpose
C. on condition
D. only if

6.Hudson said he could not kill a living thing except for the （ ）（ ）of hunger.
A. sensation
B. cause
C. purpose
D. motive
此题选: D
7.If the whole program（ ）beforehand, a great deal of time and money would have been lost.
A. was not planned
B. were not planned
C. would not be planned
D. had not been planned
此题选: D
8.I shall paint the wall of my room green next Saturday if it doesn’t rain. It’s high time it ( ).
A. did
B. was done
C. had done
D. can be done

9.He（ ）over his duties from Mr.Wang a week ago.
A. took
B. handed
C. gave
D. brought

10.He''s had two heart attacks in a year. It hasn''t（ ）him（ ）, though.
A. stop; smoking
B. stop; smoke
C. stopped; smoking
D. stopped; to smoke

11.Advertising is distinguished from other forms of communication in（ ）the advertiser pays for the message to be delivered.
A. in that
B. which
C. what
D. in which

12.（ ）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

13.By（ ）himself（ ）a secret society, he satisfied the sensation-seeking side of his nature.
A. attaching… with
B. attaching… to
C. associating… with
D. associating… to

14.A budget of five dollars a day is totally（ ）for a trip round Europe.
A. inadequate
B. incapable
C. incompatible
D. in valid

15.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
此题选: D
16.（ ）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

17.I can（ ）you of the reliability of the news.
A. assure
B. prove
C. ascertain
D. certify

18.In human friendship an important（ ）is “forgive and forget”.
A. principal
B. primary
C. principle
D. chiefly

19.Had he worked harder,he（ ）the exams.
A. must have got through
B. would have got through
C. would get through
D. could get through

20.I’d rather you（ ）any cleaning of the house for the time being.
A. do
B. didn’t do
C. won’t do
D. hadn’t done

21.Because fuel supplies are finite and many people are wasteful, we will have to install（ ）solar heating device in our home.
A. some type of
B. some types of a
C. some type of a
D. some types of

22.I tried very hard to persuade him to join our group but I met with a flat （ ）.
A. disapproval
B. rejection
C. refusal
D. decline

23.In some countries today, it is still illegal for doctors to help a woman have a(n) （ ）。
A. pregnancy
B. abortion
C. miscarriage
D. embryo

24.I’m sure he is up to the job（ ）he would give his mind to it.
A. if only
B. in case
C. until
D. unless

25.Ever since the Smiths moved to the suburbs a year ago, they（ ）better health.
A. could have enjoyed
B. had enjoyed
C. have been enjoying
D. are enjoying