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【单选题】
单相变压器主要由一个闭合的软铁芯和两个套在其上而又互相绝缘的( )所构成的.A.
绕组
B.
软铁芯
C.
磁铁
D.
铜芯
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皮皮学刷刷变学霸
举一反三
【简答题】Mark Twain is a ( )writer. 马克吐温是个幽默的作家。
【简答题】This is _____ interesting book. It's about ______ life of Mark Twain(马克吐温).
【简答题】下面给出两位作家的小品文中由3个字母组成的单词的比例，其中马克·吐温(Mark Twain)8篇，物格拉斯(Snodgrass) 10篇， 马克·吐温(X) 0.225,0.262,0.217,0.240,0.230,0.229,0.235,0.217: 物格拉斯(Y) 0.209,0.205,0.196,0.210,0.202,0.207,0.224,0.223,0.220,0.201....
【简答题】阅读下面的短文，根据内容，从每题的四个选项中选择最佳的一项。 Mark Twain(马克·吐温) was an American writer. One day he went to a city by train. He wanted to see one of his friends there. Mark Twain was a very busy man. He usually forgo...
【单选题】Mark Twain (马克·吐温) is a famous (著名的) _____________. [ ]
A.
teacher
B.
writer
C.
doctor
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