本课配套习题挑战模式1/5

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单选题
难度系数:

1.

一实心木块放入水中静止时,露出水面的体积是总体积的2/3,则这木块的密度是水的密度的(  )


A:

2/5

B:

3/5

C:

2/3

D:

1/3

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