试题与答案

Personnel working aloft (above 2metres) sh

题型:单项选择题

题目:

Personnel working aloft (above 2metres) should wear()or other arresting device at all times.

A.a safety harness with lifeline

B.a safety net

C.a life buoy

D.buoyancy agarments

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A

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