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I am reading a book. (改为一般疑问句) ______ ______ reading a book?
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My life, as it really is, is always filled with sadness and little joy.
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Do you know the Money King, the great hero of the Chinese story Journey to the West?
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已知tanα=1\2 求sin2α 、cos2α、tan2α的值.
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把一袋重2千克的糖果平均分给5个小朋友,每人分得这袋糖果的 ( ),是 ( ) 千克?用分数
1年前