你认为篮球从地面的反弹高度与哪种因素关系不大            

你认为篮球从地面的反弹高度与哪种因素关系不大                      (       )

A. 地面的坚硬程度    B.篮球本身的气足不足    C. 篮球下落的高度    D. 篮球本身的质量

答案

D

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