题目内容

Even before the human organism developed into their present stage of Homo sapiens, the beginnings of culture were already evident.

查看答案

搜索结果不匹配？点我反馈

更多问题

The need for more food discourages development of better technology which naturally keeps

Every individual cell, whether its exists as an independent microorganism or is part of a

Data received from two spacecraft indicate that there is many evidence that huge thunderstorms are now occurring around the equator of the planet Saturn.

Ensuring an adequate water supply have been a concern ever since people began to live in towns and cities.