题目内容

--Where's your office?--____is on the third floor.

A. It
B. Its
C. Itself

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Has anyone seen my keys? I can't find____anywhere.

A. they
B. them
C. their
D. themselves

如果两个异号的补码相加时,有时也能产生溢出。

A. 对
B. 错

变形补码有两个符号位。

A. 对
B. 错

当两个变形补码相加后,其结果的符号位出现1O时,表示发生正溢出。

A. 对
B. 错

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