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Time Zones Our planet,the Earth,is the 3rd planet from the sun. It is a beautiful,rotat...

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英语流利说-懂你英语Level3-Unit1-Part1 Listening An unusual day Kathy usually gets up at 6:30, bu...

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1、The triangle is inside the square. 2、The square is around the triangle.

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Listening An unusual day Kathy usually gets up at 6:30, but this morning, she didn't he...

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Listening Height And Weight Here are four people. Two of them are tall. The man on the ...