You can surf the Internet ______ you want to know more about the 2020 World Midd

You can surf the Internet ______ you want to know more about the 2020 World Middle School Games.

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某地高中年级学生某次身体素质体能测试的原始成绩采用百分制, 已知这些学生的原始成绩均分布[50, 100]内, 发布成绩使用等级制, 各等级划分标准见下表, 并

某地高中年级学生某次身体素质体能测试的原始成绩采用百分制, 已知这些学生的原始成绩均分布[50, 100]内, 发布成绩使用等级制, 各等级划分标准见下表, 并规定: A, B, C 三级为合格, D

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在平面直角坐标系 xOy 中, 已知直线 l: y=kx+8 上存在点 P, 过点 P 作圆 O: x 2 +y 2 =4的切线, 切点分别为 A(x 1 ,

在平面直角坐标系 xOy 中, 已知直线 l: y=kx+8 上存在点 P, 过点 P 作圆 O: x 2 +y 2 =4的切线, 切点分别为 A(x 1 , y 1 ), B(x 2 , y 2 )

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—The artist has got _____ much work to do that he hardly has time to help his wi

—The artist has got _____ much work to do that he hardly has time to help his wife with the housewor

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—Have you finished your work yet?—No, not yet. I think it’ll take _____ ten minu

—Have you finished your work yet?—No, not yet. I think it’ll take _____ ten minutes.

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