公厕隔板的作用是（）。A.隔离臭气 B.隔离视线、文明入厕 C.隔_爱下问搜题

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问题单项选择题

公厕隔板的作用是（）。

A.隔离臭气

B.隔离视线、文明入厕

C.隔离声音

D.隔离光线

答案

参考答案：B

单项选择题

Questions 14-23

·Look at the ten statements for this part.
·You will hear a story about communication through time.
·Decide whether you think each statement is right(R), wrong(W) or not mentioned(NM).
·You will listen to it twice.
·Mark your answers on the Answer Sheet.

The neighbor took Andrew for a burglar.

A．Right

B．Wrong

C．Not Mentioned

判断题

当导体的长度相同时，同种材料导体的横截面积越大，导体的电阻越小。