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问题 判断题

钻井液的流性指数也是钻井液剪切稀释特性强弱的表示。

答案

参考答案：对

填空题
用方框所给词的适当形式填空。
hard, busy, danger, bore, interest
1. It's very_____ to play football on the busy street.
2. The workers are making the shoes_____.
3. I don't like to watch the_____ match.
4. Science is too_____ for him. He is not good at it at all.
5. That is a very_____ story.
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单项选择题

安装（回撤）机电管理中漏电保护符合（）要求。

A.《煤矿安全规程》

B.《煤矿矿井机电设备完好标准》

C.《煤矿井下检漏继电器安装、运行、维护与检修细则》

D.《煤矿作业规程》
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