21春《大学英语（二）》北语网院作业_1答案

100分

21春《大学英语（二）》作业_1
1.[单选题] One must keep calm in ___ time of danger.

    A.an
    B. a
    C. /
    D. the
    答:——C——
2.[单选题] No one has yet succeeded in explaining the ___ of how life began.
    A.problem
    B.cause
    C.puzzle
    D.logic
    答:——C——
3.[单选题] She never laughed, ___lose her temper.
    A.or she ever did   
    B.nor did she ever
    C.or did she ever
    D.nor she ever did
    答:——B——
4.[单选题] They have  ___ baby.
    A.a five month old
    B.a fifth-month-old
    C.a five-month-old
    D.a five-months-old
    答:————
5.[单选题] He has not answered my letter I wrote last month. ___are that he has not received it.
    A.Chances
    B.Possibilities
    C.Probabilities
    D.Opportunities
    答:————
6.[单选题] ___your letter of complaint, it has been delivered to the general manager.
    A.As for
    B.Concerning
    C.With
    D.Considering
    答:————
7.[单选题] Knowing something as a whole is far from knowing all its ___.
    A.instance
    B.character
    C.items
    D.details
    答:————
8.[单选题] He is not such a man ___ would leave his work half done.
    A.that
    B.which
    C.who
    D.as
    答:————
9.[单选题] ___some information,she could have answered the questions.
    A.She had been given
    B.If she was given
    C.Had if she been given
    D.Had she been given
    答:————
10.[单选题] Environment is a great ___on character.
    A.influences
    B.affect
    C.effect
    D.influence
    答:————
11.[单选题] It must have been ___ who gave the signal.
    A.them
    B.they
    C.theirs
    D.these
    答:————
12.[单选题] What ___ would happen if the director knew the fact?
    A.do you suppose
    B.will
    C.you suppose
    D.you would suppose
    答:————
13.[单选题] The ancient Egyptians are supposed ___ rockets to the moon.
    A.to send
    B.to be sending
    C.to have sent
    D.to have been sending
    答:————
14.[单选题] The doctor soon made the worried patient feel ___.
    A.for ease
    B.at ease
    C.in ease
    D.on ease
    答:————
15.[单选题] Excuse me, but it is time to have your temperature ___ .
    A.taking
    B.to take
    C.take
    D.taken
    答:————
16.[单选题] The clever boy made a hole in the wall, ___ he could see ___ was going on inside house.
    A.which...what
    B.through which...what
    C.through that...what
    D.what...that
    答:————
17.[单选题] It was essential that the application forms ___ back before the deadline.
    A.must be sent
    B.would be sent
    C.be sent
    D.were sent
    答:————
18.[单选题] I have bought two ballpens, ___ writes well.
    A.none of them
    B.neither of them
    C.neither of which
    D.none of which
    答:————
19.[单选题] They have no idea at all___.
    A.where he has gone
    B.where did he go
    C.which place has he gone
    D.where has he gone
    答:————
20.[单选题] ___ receiving the gift, Einstein wrote a letter of thanks to the author immediately.
    A.While
    B.The moment
    C.Since
    D.On
    答:————
21.[单选题] In deciding ___ a course of action，the candidates tried to estimate its likely impact on the voters.
    A.what to pursue
    B.which to pursue
    C.whether to pursue
    D.if to pursue
    答:————
22.[单选题] A large part of human activity, particularly in relation to the environment, is ___ conditions or events.
    A.in response to
    B.in favor of
    C.in contrast to
    D.in excess of
    答:————
23.[单选题] They discussed the problem three or four times, but could come to no ___ .
    A.end
    B.conclusion
    C.result
    D.judgment
    答:————
24.[单选题] Car rental is ___to thrive in the near future.
    A.certain
    B.likely
    C.possible
    D.maybe
    答:————
25.[单选题] She has a ___ boy.
    A.13 years old
    B.13 year olds
    C.13-year-old
    D.13-years-old
    答:————