仓库的相对湿度应当保持在（） A.35%-75% B.45%-55% C.25%-8_爱下问搜题

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问题单项选择题

仓库的相对湿度应当保持在（）

A.35%-75%

B.45%-55%

C.25%-85%

D.55%-75%

答案

参考答案：A

单项选择题

尿潴留量超过多少毫升时，应放置导尿管持续引流（）.

A.100ml

B.300ml

C.500ml

D.800ml

E.1000ml

选择题

Mary, along with her parents ________ Hainan for a week and they will come back soon.

A．have been to

B．has been in

C．have been in

D．has been to