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李老师骑自行车上班,最初以某一速度匀速行进,中途由于自行车故障,停下修车耽误了几...
李老师骑自行车上班,最初以某一速度匀速行进,中途由于自行车故障,停下修车耽误了几分钟,为了按时到校,李老师加快了速度,仍保持匀速行进,结果准时到校.在课堂上,李老师请学生画出自行车行进路程s千米与行进时间t的函数图象的示意图,同学们画出的示意图如下,你认为正确的是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022161835918671054/SYS201310221618359186710007_ST/images0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022161835918671054/SYS201310221618359186710007_ST/images1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022161835918671054/SYS201310221618359186710007_ST/images2.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022161835918671054/SYS201310221618359186710007_ST/images3.png)
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