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(2009•安顺)如图,乌鸦口渴到处找水喝,它看到了一个装有水的瓶子但水位较低,...
(2009•安顺)如图,乌鸦口渴到处找水喝,它看到了一个装有水的瓶子但水位较低,且瓶口又小,乌鸦喝不着水,沉思一会后,聪明的乌鸦衔来一个个小石子放入瓶中,水位上升后,乌鸦喝到了水.在这则乌鸦喝水的故事中,设从乌鸦看到瓶的那刻起向后的时间为x,瓶中水位的高度为y,如图所示的图象中最符合故事情景的是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230840005331440/SYS201310212308400053314004_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230840005331440/SYS201310212308400053314004_ST/images1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230840005331440/SYS201310212308400053314004_ST/images2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230840005331440/SYS201310212308400053314004_ST/images3.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230840005331440/SYS201310212308400053314004_ST/images4.png)
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