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【单选题】
机械中不可拆卸 的制造单元称为( )A.
构件
B.
部件
C.
零件
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举一反三
【单选题】Which of the following is NOT the reason why the author gets into a car before a woman?
A.
He intends to be polite to the woman.
B.
He does that by force of habit.
C.
He wants to protect the woman from hidden danger.
D.
He thinks women nowadays are as capable as men.
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