电气化铁路附近发生火灾时，应立即通知（）.
A.列车调度员
B.电力调度员
C.接触网工区值班员
D.站检
参考答案：A, B, C
----- I had a really good weekend in the countryside,
----- ___________________________.
A．Oh, that’s very nice of you
B．Congratulations
C．It’s a pleasure.
D．Oh, I am glad to hear that.
三级施工安全措施“内容是什么？
