缩径卡钻一般发生在正常钻进过程中。

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问题判断题

缩径卡钻一般发生在正常钻进过程中。

答案

参考答案：错

解析：缩径卡钻一般发生在起下钻过程中。

选择题

I was afraid Mr. Lu would not accept my advice at the beginning. _______, he was quite pleased with it.

A．As a matter

B．As the matter of fact

C．As a fact

D． As a matter of fact

判断题

乾隆皇帝相对于前两任皇帝，治国宽严相济。