题目内容

起重机的混凝土基础平整度允许偏差（）。

A. 1/1000
B. 2/1000
C. 3/1000
D. 4/1000

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氧气瓶、乙炔瓶工作间距不小于（）m。

A. 3
B. 4
C. 5
D. 6

then fast and effective___(31)can be made to re-educate the unconscious towards allowing the person to relax_(32)and to allow a natural state of Sleep to___(33).

A. fully
B. recently
C. silently
D. actively

One of the strongest hurricanes _____ was the Florida Keys Storm of 1935, during which 500

A. to record
B. recorded
C. recording
D. being recorded

_____ it is not his responsibility to do that, he said he would help.

Although
B. As
C. Since
D. Unless