某厂生产周期为10h，按照《污水综合排放标准》，其工此污水监測

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问题单项选择题

某厂生产周期为10h，按照《污水综合排放标准》，其工此污水监測频率为（）。

A.每4h采样一次

B.每2h采样一次

C.每4h采样一次

D.24h不少于2次采样

答案

参考答案：C

单项选择题 A1/A2型题

消渴病见渴欲饮水，口干舌燥者，所属的病机变化是（）。

A.肺阴亏虚

B.邪热炽盛

C.热伤气津

D.胃火炽盛

E.肠间有水气

单项选择题

How were Frank and I connected

A．My grandmother and his grandmother were sisters.

B．We were first cousins once removed.

C．We were second cousins once removed.

D．My great-grandmother and his great-grandmother were sisters.