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问题 问答题 简答题

更换钢轨作业范围是什么？

答案

参考答案：

（1）更换线路上发生折断和重伤钢轨；

（2）更换桥上或隧道内发现轻伤钢轨；

（3）有计划的成段更换轻伤、磨耗钢轨；

（4）有计划的对备用轨与线路钢轨倒换；

（5）成段倒换直线与曲线、正线与站线的钢轨。

句型转换

按要求句型转换

1. The Forbidden City lies in the center of Beijing.(对画线部分提问)

     _______ _______ the Forbidden City_______ ?

2. People visited the West Lake. They were impressed by the beautiful scenery. (连成一句 )  

    People_______ _______the West Lake_______ _______  by the beautiful scenery.

3. My brother will go to the party on time. My brother is ill. (用 unless连接句子)

    My brother_______ _______to the party on time_______  _______is ill.

4. My mother divided the cake into four parts. (改为同义句)  

    The cake_______ _______into four parts_______ my mother.

5. People said the writer was famous at his time. (改为同义句)

     _______ _______ _______the writer was famous at histime.
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单项选择题

颈丛麻醉选择点为（）。

A.胸锁乳突肌前缘中点

B.胸锁乳突肌前缘下，中1/3交界点

C.胸锁乳突肌前缘上，中1/3交界点

D.胸锁乳突肌后缘中点

E.胸锁乳突肌后缘下，中1/3交界点
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