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【简答题】
一,画液压原理图与电气控制原理图 二、写出电磁铁动作顺序表 三、说明压力继电器的工作原理
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反馈参考答案：
举一反三
【单选题】The boss of the company had _________ his friend’s good advice, which led to the failure of his business.
A.
considered
B.
suffered
C.
ignored
D.
discussed
【简答题】多组分精馏中，关键组分是指( )的组分。
【简答题】多组分精馏中，关键组分是指( )的组分。
【单选题】Little ______ that we were watching his every move，so he seemed to be going his own way in this business.
A.
did he know
B.
he didn't know
C.
didn't he know
D.
he knew
【单选题】His three children ( )( )( ) now college graduates, he felt he could retire from business.
A.
to be
B.
being
C.
having been
D.
been
【单选题】Little ______ that we were watching his every move，so he seemed to be going his own way in this business.
A.
he knew
B.
he didn’t know
C.
didn’t he know
D.
did he know
【单选题】______ the advice of his friends, he would not have suffered such a heavy loss in his business.
A.
If he took
B.
If he should take
C.
Were he to take
D.
Had he taken
【单选题】Little _____ that we were watching his every move, so he seemed to be going his own way in this business. [ ]
A.
he realized
B.
he didn't realize
C.
didn't he realize
D.
did he realize
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