开采突出煤层时，必须采取（）等综合防治突出措施。A、突出危险

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问题多项选择题

开采突出煤层时，必须采取（）等综合防治突出措施。

A、突出危险性预测

B、防治突出措施

C、防治突出措施的效果检验

D、安全防护措施

答案

参考答案：A, B, C, D

补全对话，情景问答

用适当的句子完成对话。

(At Mr. White's office in a middle school)

A: Hello! 1 ?

B: Speaking, please.

A: I'm Peter's mother. I'd like to ask for a leave for my son.

B: 2 ?

A: He doesn't feel well this morning. He has a cold.

B: 3 . Is it serious?

A: Not very serious. But the doctor asked him to stay in bed and have a good rest.

B: Don't worry. 4 .

A: Thank you, sir. Goodbye!

B: Bye!

1._____2._____3._____4._____

问答题简答题

西藏佛教是属于哪一类？