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(2002•贵阳)一天早晨,小强从家出发,以v1的速度前往学校,途中饮食店吃早点...
(2002•贵阳)一天早晨,小强从家出发,以v
1的速度前往学校,途中饮食店吃早点,之后,以v
2的速度向学校行进,已知v
1>v
2,下面的图象中表示小强从家到学校的时间t(分钟)与路程s(千米)之间的关系式是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232523375156973/SYS201310212325233751569021_ST/images0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232523375156973/SYS201310212325233751569021_ST/images1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232523375156973/SYS201310212325233751569021_ST/images2.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232523375156973/SYS201310212325233751569021_ST/images3.png)
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