A:x|-2≤x≤2
B:x|-2≤x<0
C:x|0<x<1
D:x|1<x≤2
如图所示,在绝缘水平面上固定两个等量同种电荷P、Q,在PQ连线上的M点由静止释放一带电滑块,则滑块会由静止开始一直向右运动到PQ连线上的另一点N而停下,则以下说法正确的是( )
— Is your father free these days?
—No. He has mountains of work to do. He gets up early and comes back late every day.