单选题:Which of the following is NOT a weakness of NCLB?

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题目内容:
Which of the following is NOT a weakness of NCLB? A. The law has been properly funde
B. Only a few pupils in bad schools transfe
C. The tests are focused on nothing but maths and readin
D. The tests actually encourage "teaching to the test".
参考答案:
答案解析:

从所给的四个选项中选择最合适的一个填入问号中,使之呈现一定的规律性:

从所给的四个选项中选择最合适的一个填入问号中,使之呈现一定的规律性:

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101,84,73,76,117,(  )

101,84,73,76,117,(  )

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有苹果,桔子各一筐,苹果有240个,桔子有313个,把这两筐水果平均分给一些小朋友,已知苹果分到最后余2个,桔子分到最后

有苹果,桔子各一筐,苹果有240个,桔子有313个,把这两筐水果平均分给一些小朋友,已知苹果分到最后余2个,桔子分到最后还余7个,求最多有多少个小朋友参加分水果

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3,5,21,73,261,(  )

3,5,21,73,261,(  )

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设A为m×n矩阵,m≠n,则齐次线性方程组Ax=0有非零解的充要条件是 (  )

设A为m×n矩阵,m≠n,则齐次线性方程组Ax=0有非零解的充要条件是 (  )A.A的行向量组线性相关 B.A的行向量组线性无关 C.A的列向量组线性无关 D

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