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地球从诞生到今天大约有46亿年的历史了，在这漫长的时间中，地球究竟发生了什么样的变化？本书就像大揭秘一般，将地球的诞生、恐龙的繁盛与灭绝、小行星撞击地球、大陆漂移、灵长类动物崛起等内容呈现在小读者面前，内容涵盖天文、地理、生物、历史，是一本全面、精准、有趣的科普读物。
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