应定期对调压站内的调压器进行检修，检修时应备齐工具及配件，维_爱下问搜题

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问题单项选择题

应定期对调压站内的调压器进行检修，检修时应备齐工具及配件，维修时必须（）人员进行操作。

A、检修

B、维修

C、两人以上

D、多人以上

答案

参考答案：C

单项选择题

Questions 14-23

·Look at the ten statements for this part.
·You will hear a passage about "A Research on Sleep ". You will listen to it twice.
·Decide whetheryou think each statement is right(R), wrong(W) or not mentioned(NM).
·Mark your answers on the Answer Sheet.

The lower your stage of sleep, the slower your brain waves will be.

A．Right

B．Wrong

C．Not Mentioned

单项选择题 A1/A2型题

不属于常用的浸出制剂的是（）

A.汤剂

B.气雾剂

C.酒剂

D.煎膏剂

E.浸膏剂