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最佳答案:the Great Wall is the longest wall of world with 2000 years history,and it is th
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最佳答案:it is high time for us to take measure to protect the great wall.only with this
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最佳答案:After listening to "Beijing welcomes you",a Beijing think of a long history,and
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最佳答案:Beijing is a long history of ancient capital. Beijing is an excellent destinati