题目内容

在下述有关不恢复余数法何时需恢复余数的说法中D,______是正确的。

A. 最后一次余数为正时,要恢复一次余数;
B. 最后一次余数为负时,要恢复一次余数;
C. 最后一次余数为0时,要恢复一次余数;
D. 任何时候都不恢复余数。

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可编程的只读存储器_____。

A. 不一定是可改写的;
B. 一定是可改写的;
C. 一定是不可改写的;
D. 以上都不对。

The police could not find a motive for the murder.

A. target
B. reason
C. discussion
D. remark

Relief workers were astonished by what they saw and heard.

A. moved
B. touched
C. surprised
D. worried

He has found a lot of reasons to explain his failure.

A. effects
B. results
C. causes
D. bases

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