相關Itisquiteapparenttha的文學知識

問題詳情：   ItisquiteapparentthatcompetitionsurroundseveryaspectofhumanlifewhetherintheUnitedStatesortheAmazonrainforest.Withoutitwewouldnothavegrownintoprimates(靈長類動物).Orwewouldprobablystillbe...