—Would you like to play basketball or football?— ____ is OK. I am good at both o

—Would you like to play basketball or football?— ____ is OK. I am good at both of them, so it’s up t

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— Jack, dont forget your homework. It ______ today.— OK, I will finish it on tim

— Jack, dont forget your homework. It ______ today.— OK, I will finish it on time.

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—He seems _____ ill. Shall we take him to the hospital right now?—I don’t think

—He seems _____ ill. Shall we take him to the hospital right now?—I don’t think it matters. Maybe he

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已知O为坐标原点,直线l:y=﹣1/2x+2与x轴、y轴分别交于A、C两点,点B(4,2)关于直线l的对称点是点E,连接EC交x轴于点D.(1)求证:AD=CD

已知O为坐标原点,直线l:y=﹣1/2x+2与x轴、y轴分别交于A、C两点,点B(4,2)关于直线l的对称点是点E,连接EC交x轴于点D.(1)求证:AD=CD;(2)求经过B、C、D三点的抛物线的函

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