题目

如图,正方形ABCD的边长为2,边AB在x轴的正半轴上,边CD在第一象限,点E为BC的中点.若点D和点E在反比例函数 (x>0)的图像上,则k的值为() A . 1 B . 2 C . 3 D . 4 答案:DThe 2011 International University Games    in Shenzhen now appeals to a lot of people across the world.A.heldB.is being heldC.being heldD.to be held
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