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(2013•牡丹江)如图所示:边长分别为1和2的两个正方形,其中一边在同一水平线...
(2013•牡丹江)如图所示:边长分别为1和2的两个正方形,其中一边在同一水平线上,小正方形沿该水平线自左向右匀速穿过大正方形,设穿过的时间为t,大正方形内去掉小正方形后的面积为s,那么s与t的大致图象应为( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230751154806363/SYS201310212307511548063004_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230751154806363/SYS201310212307511548063004_ST/images1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230751154806363/SYS201310212307511548063004_ST/images2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230751154806363/SYS201310212307511548063004_ST/images3.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230751154806363/SYS201310212307511548063004_ST/images4.png)
考点分析:
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