皮皮学，免费搜题
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【判断题】
在微程序控制器中,机器指令和微指令的关系是:一段机器指令组成的程序可由一条微指令执行A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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【单选题】听力原文：How did you hear about our company? (A) Yes, write it down. (B) We're having a party. (C) I saw your ad in the paper. (35)
A.
B.
C.
【简答题】在设计视图为学生“成绩”表设置有效性规则，限定“成绩既不能为负值，也不能超过100分”，有效性表达式为______。
【单选题】听力原文：How did you finish the proposal so quickly? (A) Call her as soon as possible. (B) I had some help. (C) It is a very well-written report. (19)
A.
B.
【单选题】听力原文：How did you like the film you saw last night? (5)
A.
That's right．
B.
I enjoyed it．
C.
No. I didn't．
D.
Yes, I think so．
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