题目内容

The post office is a bit far from here .It is about ______

A. thirty minutes's walk
B. thirty minute's walk
C. thirty minutes' walk
D. thirty minutes walk

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The notice ______ “No smoking”.

A. is told
B. reads
C. tells
D. is read

— Do you live in this city?— No, we ______ it for holidays.

A. just visit
B. just visited
C. are just visiting
D. have visited

以下不属于强电工程的是

A. 动力工程
B. 照明工程
C. 变配电工程
D. 电话通信系统

以下不属于弱电工程的是

A. 通信与计算机网络
B. 安全防范系统
C. 广播系统
D. 防雷接地工程

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