比较北京人和山顶洞人头部之间的区别,并说说山顶洞人在哪些方面比北京人进步?要求答案够简洁!(这最重要,太长我懒得抄,呵呵)

来源:学生作业帮助网 编辑:作业帮 时间:2024/08/29 16:30:22
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