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【简答题】
一般来说，按预先整定的输入量动作，并具有电路控制功能的元件称为_________。 [填空(1)] A. 继电器
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反馈参考答案：
举一反三
【多选题】2000版ISO9000族标准包括以下质量管理体系核心标准：（ ）
A.
ISO9000
B.
ISO9001
C.
ISO9004
D.
ISO900
E.
ISO19011
【单选题】Had it not been for my illness, I ______ him a helping hand.
A.
had lent
B.
were to lend
C.
would have lent
D.
should lend
【单选题】______ for my illness I would have lent him a helping hand.
A.
Not being
B.
Had it not been
C.
Without being
D.
Were they to arrive
【单选题】______ for my illness I would have lent him helping hand.
A.
Not being
B.
Had it not been
C.
Without being
D.
Not having been
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