自从进入工业社会,这两百多年的发展和人口增长,超过过去五千年之和呀。
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西伯利亚是中华文明的故乡
-YMCK1025-
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05/28/2017 postreply
07:34:58
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新疆伊梨河是流向北冰洋的。
-留连-
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05/28/2017 postreply
20:40:25
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