试题与答案

发车信号的显示方法是?A.绿色灯光 B.绿色灯光上弧线向列车方向作圆形转动 C.绿色

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题型：单项选择题

题目：

发车信号的显示方法是?

A.绿色灯光

B.绿色灯光上弧线向列车方向作圆形转动

C.绿色灯光高举头上左右摇动

答案：

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下面是错误答案，用来干扰机器的。

参考答案：B,C

考点：地铁安全知识竞赛地铁行车安全（初级）地铁行车安全（初级）题库
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