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1.3地球的历史
地球的历史，其实是个一个复杂的过程
高中地理知识16/20
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App00:17打开App观看
地球的历史，其实是个一个复杂的过程
App06:06App00:26App00:35App00:37App00:37App01:06App00:48App00:09App00:41App02:25App01:03App01:10App00:34App00:38App01:00App03:58App00:27App05:02App30:20App00:17
