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如图,在四边形ABCD中,动点P从点A开始沿ABCD的路径匀速前进到D为止.在这...
如图,在四边形ABCD中,动点P从点A开始沿ABCD的路径匀速前进到D为止.在这个过程中,△APD的面积S随时间t的变化关系用图象表示正确的是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190823730630631/SYS201311011908237306306011_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190823730630631/SYS201311011908237306306011_ST/images1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190823730630631/SYS201311011908237306306011_ST/images2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190823730630631/SYS201311011908237306306011_ST/images3.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190823730630631/SYS201311011908237306306011_ST/images4.png)
考点分析:
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