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【单选题】
下列哪几种方式输电线周围产生稳定磁场 ( ) 。A.
220V 交流输电
B.
380V 交流输电
C.
500V 交流输电
D.
500V 直流输电
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反馈参考答案：
举一反三
【单选题】判断正误: One form of group interview is that you and others are interviewed collectively.
A.
T
B.
F
【简答题】________,却话巴山夜雨时。(李商隐《夜雨寄北》)
【单选题】The word decathlon in paragraph 3 probably means _______.
A.
jumping
B.
five track and field events
C.
throwing
D.
ten track and field events
【单选题】______ matter in one form. is transmuted to another form, a phase change is said to have taken place.
A.
Such
B.
Then
C.
Whenever
D.
Seldom
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