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【单选题】
V带的基准长度为 。A.
带的外长度
B.
带的内长度
C.
带的计算长度
D.
带的中性层长度
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A.
impressed by
B.
impressed on
C.
interesting in
D.
expressed by
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A.
What
B.
What a
C.
How
D.
How a
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A.
will; buy
B.
did; buy
C.
are; having
D.
have; had
【单选题】The hard-working farmers and their happy life _____ we saw in the countryside made a wonderful impression on us.
A.
whom
B.
who
C.
which
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【单选题】My first______ of him was that he enjoyed telling jokes.
A.
expression
B.
attention
C.
satisfaction
D.
impression
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A.
水分子非常稳定,在2000K时其离解率还不到1/100
B.
具有良好的流动性,因此便于输送和储存。
C.
水具有不可压缩性,能够传递压力能
D.
是液体
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A.
bought
B.
received
C.
taken
D.
had
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A.
did; buy
B.
have; bought
C.
do; buy
D.
will; buy
【单选题】—What a nice bike! Is it ________? ---No, it's not mine. It's ________.
A.
mine; her
B.
mine; yours
C.
yours; his
D.
ours; his
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