题目内容

Experiments ______that accurate measurements be made.

A. show
B. prove
C. demand
D. declare

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_______________, he would have come to class.

A. If Mike is able to finish his homework
B. Would Mike be able to finish his homework
C. If Mike could finish his homework,
D. If Mike had been able to finish his homework

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半加器进位输出端与输入端的逻辑关系是（）。

A. 与非
B. 或非
C. 与
D. 异或

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全加器的本位输出和输入的函数关系为（）。

A. 与
B. 或
C. 异或
D. 同或

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全加器是一种实现功能的逻辑电路。

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Experiments ______that accurate measurements be made.

A. show B. prove C. demand D. declare

_______________, he would have come to class.

半加器进位输出端与输入端的逻辑关系是（ ）。

全加器的本位输出和输入的函数关系为（ ）。

全加器是一种实现功能的逻辑电路。

A. show
B. prove
C. demand
D. declare

半加器进位输出端与输入端的逻辑关系是（）。

全加器的本位输出和输入的函数关系为（）。