The bin is full. Let's ____ it.
—I played basketball in the park.
男生30人,女生40人,男生占女生人数的____%,男生占全班人数的____%。
如图所示,A,B两物体在同一点开始运动,从A,B两物体的位移﹣时间图线可知下列说法中正确的是( )