道口限界标可用短轨头或钢轨鱼尾板制成，埋于地下露出地面部分10_爱下问搜题

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问题单项选择题

道口限界标可用短轨头或钢轨鱼尾板制成，埋于地下露出地面部分100毫米涂饰红色或白色油漆；停车线宽（）毫米。

A.100mm

B.150mm

C.200mm

答案

参考答案：C

选择题

During the reconstruction of the city, many modern tall buildings went up _____ old shabby houses were

torn down. [ ]

A. where

B. in what

C. in which

D. which

多项选择题

睡眠障碍包括()。

A．失眠

B．过度嗜睡

C．睡行症

D．夜惊

E．梦魇