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如图,一艘旅游船从A点驶向C点.旅游船先从A点沿以D为圆心的弧AB行驶到B点,然...
如图,一艘旅游船从A点驶向C点.旅游船先从A点沿以D为圆心的弧AB行驶到B点,然后从B点沿直径行驶到圆D上的C点.假如旅游船在整个行驶过程中保持匀速,则下面各图中,能反映旅游船与D点的距离随时间变化的图象大致是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101191036078191376/SYS201311011910360781913019_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101191036078191376/SYS201311011910360781913019_ST/images1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101191036078191376/SYS201311011910360781913019_ST/images2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101191036078191376/SYS201311011910360781913019_ST/images3.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101191036078191376/SYS201311011910360781913019_ST/images4.png)
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![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101191036078191376/SYS201311011910360781913015_ST/0.png)
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![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101191036078191376/SYS201311011910360781913015_ST/1.png)
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![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101191036078191376/SYS201311011910360781913014_ST/images1.png)
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