高考When the world was sill populated by hunter-gatherers, small tightly knit groups developed their own patterns of speech independent of each other.
当世界上到处都是狩猎采集者时,组织紧密的小团体形成了各自独立的语言模式。
2018年高考英语全国卷I 阅读理解 阅读C 原文