【单选题】
运行途中，遇列车无线调度通信设备发生故障时，列车应___报告。
A. 立即停车
B. 在前方站停车
C. 前方停车站
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答案
B
解析
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四显示自动闭塞区段的进站色灯信号机显示一个黄色闪光和一个黄色灯光，准许列车经过18号及以上道岔___位置，进入站内越过次一架已经开放的信号机。
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容许信号显示一个___灯光——准许列车在通过色灯信号机显示红色灯光的情况下不停车，以不超过20 km/h的速度通过，运行到次一架通过信号机，并随时准备停车。
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