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单选题
难度系数:

1.

如图,△AOB的顶点A、B在二次函数y=−x2+x+的图象上,又点A、B分别在y轴和x轴上,tan∠ABO=1. 过点A作AC∥BO交上述函数图象于点C,点P在上述函数图象上,当△POC与△ABO相似时,点P的坐标为(    ).



A:

(0,)或(3,0)

B:

(0,)或(3,0)

C:

(0,)或(4,0)

D:

(0,)或(4,0)

  • 提示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