北京语言大学20春《高级英语（I）》作业3【参考答案】

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熊猫奥鹏:20春《高级英语（I）》作业3
1.There are, as yet, no vegetation types or ecosystems whose study has been___to the extent that they no longer___ ecologists.
A.perfected,hinder
B.exhausted,interest
C.prevented,challenge
D.delayed,benefit
答案:-

2.in a helpless position
A.standard
B.stranded
答案:-

3.Skeptics remain _____.
A.unconvince
B.unconvinced
C.unconvincing
答案:-

4.This may explain some of the disasters that come___ in urban planning.
A.on
B.in
C.about
D.off
答案:-

5.No sooner had we sat down____we found it was time to go.
A.than
B.when
C.as
D.while
答案:-

6.The director tried to get the actors to ___ to the next scene by hand signals.
A.move off
B.move out
C.move along
D.move on
答案:-

7.Jean did not have time to go to the concert last night because she was busy___ her examination.
A.to prepare
B.to be prepared
C.preparing
D.being prepared
答案:-

8.The poor young man is ready to accept ___ help he can get.
A.whichever
B.however
C.whatever
D.wherever
答案:-

9.Creating so much confusion, Mason realized he had better make _____ what he was trying to tell the audience.
A.exclusive
B.explicit
C.objective
D.obscure
答案:-

10.The population of the city has ___ to five million.
A.removed
B.rise
C.risen
D.raised
答案:-

11.The parents are__ at how easily the answers can be undone.
A.appalled
B.appalling
C.appalls
D.appallingly
答案:-

12.He was not in China in___ sixties.
A.the
B.a
C.an
D./
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13.It worried her a bit ___ her hair was turning grey.
A.while
B.if
C.that
D.for
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14.There is___"x" in the word "six".
A.the
B.a
C.an
D./
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15.My parents never remember my telephone number, and they always ___ look it up.
A.must
B.can
C.should
D.have to
答案:-

16.The book gives us a wonderful picture of what___ life was like in Victorian times.
A.the
B.a
C.an
D./
答案:-

17.wince
A.wind
B.shrink
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18.In deciding ____a course of action, the candidates tried to estimate its likely impact on the voters.
A.what to pursue
B.whether to pursue
C.if to purse
D.which to purse
答案:-

19.He is the only student of our school who ____ the national scholarship.
A.get
B.gets
C.has gotten
D.are going to get
答案:-

20.The news of the air crash is not yet ____by the government.
A.committed
B.confirmed
C.considered
D.concerned
答案:-
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