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【单选题】
155．In Beijing volunteers are use of every minute to ______ their foreign languages because volunteers must pass a written test and an interview.
A.
polish up
B.
take up
C.
put up
D.
make up
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参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】The police tried _____ to break up the protest crowds. [ ]
A.
in a vain
B.
in vain
C.
in the vain
D.
for vain
【单选题】Those students argued ________each other ________whether the research into human cloning should be carried out.[ ]
A.
for; over
B.
to; about
C.
of; over
D.
with; about
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A.
to take
B.
to taken
C.
taking
D.
being taken
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A.
dying away
B.
dying out
C.
dying down
D.
dying off
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A.
when
B.
while
C.
until
D.
before
【单选题】The new group of students is better-behaved than the other group who stayed here ________．
A.
early
B.
earlier
C.
earliest
D.
the earliest
【单选题】The classroom with windows_____ north wants_______ badly, so we’d better move the students into the classroom next door．The classroom with windows_____ north wants_______ badly, so we’d better move th...
A.
facing; repaired
B.
faces; repairing
C.
faced; to be repaired
D.
facing; repairing
【单选题】When it is your turn to talk, what I want to tell you is ______you can show respect by making sure the listener understands ______ you are saying and is interested.
A.
that；what
B.
this；which
C.
where； that
D.
which； when
【单选题】-- Could you please buy me an MP4 as well as a digital camera, Mum?-- You can choose , not both, my dear.
A.
each
B.
any
C.
either
D.
none
【单选题】You can’t be ______ when you camp _____ a high altitude, ________ the air is thin．
A.
enough careful; at; which
B.
too careful; at; where
C.
careful enough; on;at which
D.
too careful; on; that