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【判断题】
顶部驱动钻井系统中钻杆上卸装置通常由扭矩扳手.内防喷器和启动器.吊环连接器.吊环倾斜机构.旋转头总成等组成。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】请说明示波器通道耦合方式有哪些,有什么区别?
【单选题】比较南豆腐和北豆腐,关于南豆腐不正确的观点是( )
A.
浆液浓度比北豆腐高
B.
点脑所用的凝固剂为石膏
C.
点脑温度比北豆腐温度稍高
D.
蹲脑时不破脑，比北豆腐所需时间稍长
【单选题】Last week Mr. Hill ______.
A.
was pleasant
B.
was quite astonished
C.
was quite disappointed
D.
was unpleasant
【单选题】I can’t quite remember my daughter started dancing.
A.
how did
B.
it was when
C.
when it was that
D.
where was
【简答题】Quite smooth. How was the weather in London? Last time I was there we had beautiful ______. Not like people think.
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