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小华的爷爷每天坚持体育锻炼,某天他漫步到离家较远的绿岛公园,打了一会儿太极拳后跑...
小华的爷爷每天坚持体育锻炼,某天他漫步到离家较远的绿岛公园,打了一会儿太极拳后跑步回家.下面能反映当天小华的爷爷离家的距离y与时间x的函数关系的大致图象是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022160557055561553/SYS201310221605570555615005_ST/images0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022160557055561553/SYS201310221605570555615005_ST/images1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022160557055561553/SYS201310221605570555615005_ST/images2.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022160557055561553/SYS201310221605570555615005_ST/images3.png)
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下列计算正确的是( )
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