单项选择题

A.
1/3 B.
1/2 C.
2/3 D.
5/6

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多项选择题

Purposes of Set in order include ()
A、Making the workplace clear by sorting
B、Saving time in finding items when operating
C、Eliminating overstocking items
D、Creating a well-organized working environment

单项选择题

吊装作业时，如遇到雨、雪、雾天气，或者风力大于（）级时，不得进行吊装作业。A、4B、5C、6D、7