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关于能的概念，下列说法正确的是
[ ]
A．质量大的物体动能一定大
B．速度大的物体动能一定大
C．距离地面位置高的物体，重力势能一定大
D．物体能够做功，它就一定具有能

A.质量大的物体动能一定大
B.速度大的物体动能一定大
C.距离地面位置高的物体，重力势能一定大
D．物体能够做功，它就一定具有能

【参考答案】

D

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