The traditional view that men are superior __________ women

The traditional view that men are superior __________ women still exists in some

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设A、B为同阶矩阵,且A、B等价,则(  )

设A、B为同阶矩阵,且A、B等价,则(  )A.r(A)=r(B) B.A、B有相同的特征多项式 C.|A|=|B| D.A、B合同

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公务员回避制度的种类包括(  )。

公务员回避制度的种类包括(  )。 A.任职回避 B.工作性质回避 C.公务回避 D.地域回避

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To become actresses __________ (be) their ambition.

To become actresses __________ (be) their ambition.

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Children should avoid __________ (watch) TV for several hour

Children should avoid __________ (watch) TV for several hours a time.

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