甲乙两地居民的基尼系数分别为0.3和0.7,这可能表明(  )。

甲乙两地居民的基尼系数分别为0.3和0.7,这可能表明(  )。 A.甲地居民的之间的贫富差距较大 B.乙地居民的之间的收入分配比较合理 C.甲地居民之间的贫富

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设A为m×n矩阵,P、Q分别是m阶和n阶可逆矩阵,则下列方程组中与方程组Ax=b同解的是(  )

设A为m×n矩阵,P、Q分别是m阶和n阶可逆矩阵,则下列方程组中与方程组Ax=b同解的是(  )A.PAx=Pb B.PAx=b C.AQx=b D.PAQx=

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Some people spend their weekends __________ (go) from sale t

Some people spend their weekends __________ (go) from sale to sale.

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It's most unlikely that the conservatives should emphasize _

It's most unlikely that the conservatives should emphasize __________.A.the teac

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根据资料回答第题。What Horace Mann means is that __________.A. educat

根据资料回答第题。What Horace Mann means is that __________.A. education is essential for

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