段1:①It is a wise father that knows his own child, but today a man can boost his pater
段1:①It is a wise father that knows his own child, but today a man can boost his pater
段5:①But some observers are skeptical ②“There’s a kind of false precision being hawke
段6:①Critics also argue that commercial genetic testing is only as good as the referen
涉及全文段1:①It is a wise father that knows his own child, but today a man can boost his p
段1:①The relationship between formal education and economic growth in poor countries i
段1:①The relationship between formal education and economic growth in poor countries i
段2:①Ironically, the first evidence for this idea appeared in the United States ②Not
段4:①What is the real relationship between education and economic development? ②We hav
段5:①As education improved, humanity’s productivity potential increased as well ②When
段1:①The most thoroughly studied intellectuals in the history of the New World are the
段2:①To take this approach to the New Englanders normally means to start with the Puri