一质点沿某一直线运动，t=0时位于坐标原点，如图为质点做直线运动的速度时间图线，由图可知：

（1）在0～20s这段时间内t=______s时质点距坐标原点最远；

（2）0～20s内质点位移是______m；通过的路程是______m．

The students competed _____the honor of winning _____each other _____the school sports meet.

A．in ;with;against

B．against;for;at

C．for;against;in

D．about;in;with