《西安铁路局应急管理工作管理办法》规定各类应急管理部门（单位）必须指定（）应急信息的采集和资料的动态管理。

发生I级或II级应急响应的铁路交通事故时，按照( )执行。 点击查看答案

听力原文：M: I saw Jason yesterday.He invited us to dinner tonight.W: That's so nice.But I really don't know him and besides,I have so much work to do.Q: What does the woman mean?(19)A．She doesn't like Jason.B．She would prefer not to go.C．Jason is always a nice man.D．She would like to go. 点击查看答案