问题
问答题 简答题
出现什么情况时,应停止放煤?
答案
参考答案:
煤壁片帮、冒顶时;井下放煤出现泥沙;瓦斯量突然增大;工作面涌水量突然增大。
出现什么情况时,应停止放煤?
参考答案:
煤壁片帮、冒顶时;井下放煤出现泥沙;瓦斯量突然增大;工作面涌水量突然增大。
根据对话内容,从方框中所给的七个选项中选出五个句子补全对话,使对话完整、通顺。并将所选标号填写在答题卡相应的位置上。 A:Hello, this is Damao here.Is that Mary? B:Yes.speaking. A:Mary.The happy weekend is coming.小题1: B:Yes.I’m not busy at all.I’ve already finished my homework. A:小题2: B:I've no ideas.What about you? A:Let me see.We’d better do something interesting and helpful.小题3: B:Certainly.Where? A:In the new museum. B:Oh, I remember.I heard of it last week.小题4: A:By bike.It’s Saturday tomorrow.The traffic must be heavy,I think. B:I agree.小题5: A:At the gate of our school at nine in the morning. B:OK.See you then.
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