The medicine is on sale everywhere. You can get it at ______

The medicine is on sale everywhere. You can get it at ________ chemists.A.each B

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请在第40处填上正确答案.

请在第40处填上正确答案.A.unity B.equality C.inequality D.variety

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下列矩阵中,不能作为二次型的矩阵的是(  )

下列矩阵中,不能作为二次型的矩阵的是(  )A. B. C. D.

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Implied but not stated: __________

Implied but not stated: __________ A.Fear is always something helpful B.Too much

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