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第1题

It is not fair to expect celebrities to like, or even tolerate, photos being snapped of themwhile they are sitting at a
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第2题

The legislation contains wide-ranging powers, including warrants to give enforcement38officers access to public places w
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第3题

ine nannyslateOUCWoesCen0sNTOUNEDoCeSETe01 A . collapses B .lowers C . degenerates D . raises B脊
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第4题

怎样改变三相异步电动机的旋转方向？(2 分) A.改变任意两相接线顺序 B.改变任意三相接线顺序
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