点P(﹣2,1)到直线4x﹣3y+1=0的距离等于( )
A:45
B:107
C:2
D:125
—Mom, I am hungry. —How about eating some _______?
一Excuse me, where can I exchange _______?一There is a bank on the second floor.
非洲大陆的地形主要是( )