题目内容

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。

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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

一个16K×32位的存储器，其地址线和数据线的总和是___。

A. 48；
B. 46；
C. 36；
D. 38。