易燃液体正常装卸作业中流速不宜超过____。A.2m/s B.3m/s C.4m_爱下问搜题

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问题单项选择题

易燃液体正常装卸作业中流速不宜超过____。

A.2m/s

B.3m/s

C.4m/s

答案

参考答案：B

选择题

The Monument to the People's Heroes, ____ from August 1952 to May 1958, was the first

large-scale memorial built in New China.[ ]

A. to be constructed

B. constructed

C. being constructed

D. was constructed

单项选择题

由国家食品药品监督管理局批准给申请人的特定药品标准是（）

A.中国药典

B.企业标准

C.药品注册标准

D.行业标准

E.炮制规范