问题
单项选择题
作业地点有煤与瓦斯突出预兆时,瓦斯检查工应立即()。
A.采取措施防止突出
B.汇报
C.停止工作
D.停止工作和撤出人员
答案
参考答案:D
作业地点有煤与瓦斯突出预兆时,瓦斯检查工应立即()。
A.采取措施防止突出
B.汇报
C.停止工作
D.停止工作和撤出人员
参考答案:D
从下面方框中选择适当的词,并填在横线上。 | |
mother is a teacher. She works in a . She goes to work by bike every day. My aunt works at a . She sells books. My uncle is a . He has a red taxi. My grandmother is a factory . She is working now. |