题目

用划线词反义词或对应词填空。 (1) This bag is small. I want a one. (2) I like a long ruler. I don't want a one. (3) They sell balls. They don't balls. (4) I don't like white. I like . 答案:【1】big 【1】short 【1】buy 【1】black如图,在Rt△ABC中,OA=2,AB=1,把Rt△ABO绕着原点逆时针旋转90°,得△A′B′O,那么点A′的坐标为(  )A.(3,1)B.(1,3)C.(-1,3)D.(3,-1)
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