挑战习题
1/5单选题
难度:

1.已知点M到x轴的距离为1,到y轴的距离为2,则M点的坐标为(  )
A (1,2)
B(-1,-2)
C(1,-2)
D(2,1),(2,-1),(-2,1),(-2,-1)
提示1:
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正确答案:RA==
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