某一矿井是煤与瓦斯突出矿井，由你进行开采设计，不能选用哪些方_爱下问搜题

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问题多项选择题

某一矿井是煤与瓦斯突出矿井，由你进行开采设计，不能选用哪些方法进行开采？（）。

A、放顶煤采煤法

B、炮采

C、水力采煤法

D、风镐落煤采煤法

答案

参考答案：A, C, D

阅读理解

阅读短文，判断句子正(T)误(F)。

The Twin Brothers

      A mother cat has two babies. They are Mimi and Nini. They are twin brothers.
      Mimi is a good cat. He listens to Mother at home. He goes to school every day and studies very hard. He
works well.
      Nini is not good. He doesn't listen to Mother at home. He doesn't go to school every day and doesn't study
very hard. He often plays with some small animals.
      When they grow up (长大), Mimi is very clever, but Nini is ignorant (无知的).
( ) 1. Mimi is young and Nini is old.
( ) 2. Mimi is good and Nini is not good.
( ) 3. Mimi studies at school every day.
( ) 4. Nini studies hard, but doesn't go to school every day.

问答题简答题

常见的调度制度有哪些？