Humanbeingsmayhaveha的精选

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   WASHINGTON(AP)——Humanbeingsmayhavehadabrushwithextin...

   WASHINGTON(AP)——Humanbeingsmayhavehadabrushwithextin...

2019-09-24
问题详情：   WASHINGTON(AP)——Humanbeingsmayhavehadabrushwithextinction70，000yearsago，allextensivegenetic(基因的)studysuggests．   ThehumanpopulationatthattimewasreducedtosmallseparategroupsinAfrica，a...