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。
搜题请搜索小程序“爱下问搜题”
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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