题目内容

贯口通常是从慢到快,从强到弱再到强。()

A. 对
B. 错

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Protocol was____ enabled him to make difficult decisions with ever looking back.

A. who
B. what
C.which
D. that

The woman had persuaded him to do____ he was hired never to do-reveal the combination for the lock on the entrance.

A. one thing
B. such one thing
C. any one thing
D. the one thing

The bad news was that he could be a very dangerous person____ he choose to be.

A. should
B.could
C. might
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管道运输的对象不包括( )。

A. 石油
B. 固体
C. 浆制物体
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