根据图提供的信息,可知一个杯子的价格是
元.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193924649038058/SYS201311011939246490380014_ST/images0.png)
考点分析:
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如图是一个几何体的三视图,根据图示的数据可计算出该几何体的表面积为
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如图,⊙O
1的半径为1,正方形ABCD的边长为6,点O
2为正方形ABCD的中心,O
1O
2垂直AB于P点,O
1O
2=8.若将⊙O
1绕点P按顺时针方向旋转360°,在旋转过程中,⊙O
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A.3次
B.5次
C.6次
D.7次
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如图,在平面直角坐标系中,⊙P的圆心是(2,a)(a>2),半径为2,函数y=x的图象被⊙P截得的弦AB的长为
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A.2
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B.2+
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D.2+
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下列四个函数图象中,当x>0时,y随x的增大而增大的是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193924649038058/SYS201311011939246490380009_ST/images0.png)
B.
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C.
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D.
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