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【单选题】
正弦交流电路中 ,该式中的U、I均为( )。A.
直流
B.
交流
C.
有效值
D.
平均值
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反馈参考答案：
举一反三
【简答题】There are a few problems, but let’s take one thing_____a time.
【简答题】Pero, ¡hombre! ¿Piensas salir así vestido? La verdad es que poco decente para ir al teatro.
【单选题】Greater love hath no man than this, that a man______his life for his friend.
A.
lay down
B.
lay off
C.
lay out
D.
lay up
【简答题】No decente la manera cómo te comportarse en aquella ocasión.
【简答题】阅读理解。 A few years ago a very funny thing happened to a neighbor of mine. He is a teacher at one of London's big medical schools. He had finished his teaching for the summer term and was at the airport...
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