正确答案: A

元谋人、北京人、山顶洞人、半坡居民

题目：我国境内原始人出现的先后顺序是（ ）

解析：A

查看原题查看所有试题

学习资料的答案和解析：

[单选题]Communication is important because it can help people to ______.

understand the world and other people better around us.

[单选题]—________schoolbagisthis?—Iguessit’sLily’s.

Whose