which the researchers consider a clever and complicated food-gathering technique.This represents the earliest known evidence of intentional bird rearing(饲养).(通过检查古代食火鸡蛋壳的残骸,Douglass和一个国际研究小组确定,大约18000年前,新几内亚人正在收集、孵化并可能饲养食火鸡雏鸟,研究人员认为这是一种聪明而...
文章大意:这是一篇说明文。文章主要说明了通过对古非洲骨骼的基因研究,18000年前的人类基因组被测序,揭示了非洲大陆上的先人如何生活、迁徙和繁殖的信息。文章介绍了研究开展的过程以及发现。 【推荐1】An 18, 000-year-old human genome has been sequenced as a consequence of genetic research of ancient African...
In the 18000, school sport became an innurtart part of children's C. came D. ineres After the munderm Oly mpics hegan later that century, athletes became famous I them and wanted to be like them. 2 until about forty years ago. 2. A. Anyway ng races was more popular than running...