如图所示，竖直上抛运动的物体，通过图中B、C两点时具有相同的（）
A.速度
B.动能
C.机械能
D.重力势能
参考答案：C
As we know, knowledge is power and the more you learn, .
A．the more for life you are equipped
B．the more life you are equipped for
C．the more equipped for life you are
D．you are equipped the more for life
通过科技手段创新来提高生产力获得的剩余价值是绝对剩余价值。
