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下列的估测,最接近实际的是( ) A.一位普通中学生的重力约为500N B.一袋...
下列的估测,最接近实际的是( )
A.一位普通中学生的重力约为500N
B.一袋方便面的质量为50g
C.普通课桌的高度约为1.6m
D.一只苹果的质量约为0.015kg
考点分析:
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