相关Itisquiteapparenttha的文学知识

问题详情：   ItisquiteapparentthatcompetitionsurroundseveryaspectofhumanlifewhetherintheUnitedStatesortheAmazonrainforest.Withoutitwewouldnothavegrownintoprimates(灵长类动物).Orwewouldprobablystillbe...