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【单选题】
低副是指两构件之间作( )A.
任意接触
B.
点接触
C.
线接触
D.
面接触
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举一反三
【单选题】I've never seen a Shakespeare's play ______ so wonderfully.
A.
performing
B.
performed
C.
perform
D.
is performing
【单选题】It can be seen from the passage that the earth's supply of natural medicines
A.
may never be exhausted.
B.
may be dropping rapidly.
C.
is surprisingly big.
D.
is as rich as ever.
【简答题】I’ve never seen the film, but it ’s ______ to be a very good one. A.said B.told C.spoken D.talked
【单选题】They often() the scientist’s name, but they have never seen him.
A.
learn from
B.
hear from
C.
hear of
D.
listen to
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