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问题 单项选择题

对新充油设备进行交流耐压试验，应按规定的时间静止后，才可试验。110kV及以下设备充满油后，停放不少于（）。

A.6h

B.12h

C.24h

D.48h

答案

参考答案：C

选择题

— When are the Shutes leaving for New York? 　　 

— Pardon?  

— I asked _____.[ ]

A. when are the Shutes leaving for New York 　　

B. when the Shutes are leaving for New York 　　

C. when were the Shutes leaving for New York 　　

D. when the Shutes were leaving for New York

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选择题

我国煤炭产量最高的是[ ]

A、冀

B、晋

C、鲁

D、豫

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