题目内容

John is cooperating with Mary in writing an article.

A. working for
B. working out
C. working in
D. working with

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平网的宽度不小于()m

A. 5
B. 3
C. 2
D. 10

结构施工自二层起,凡高度超过()的交叉作业,人员进出的通道口(包括井架、施工电梯的进出通道口)都应搭设双层防护。

A. 20m
B. 24m
C. 15m
D. 30m

边长为()的洞口,可采用贯穿于混凝土板内的钢筋构成防护网,钢筋网间距不得大于20cm。

A. 150cm以上
B. 50-150cm
C. 50cm以下
D. 25cm

You can try this pressure relief plan by changes in diet and habits.

A. removal
B. cure
C. treatment
D. reduction

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