Doesyourolderbrotherthinkhe’sclevererthanyou?Well,he’sp...
問題詳情：Doesyourolderbrotherthinkhe’sclevererthanyou?Well,he’sprobablyright.AccordingtoanewresearchpublishedinthejournalIntelligence,theoldestchildreninfamiliesarelikelytohavethehighestIQsandtheyoun...