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- 问题详情：“Iwillthinkofit.”Itiseasytosaythis,butdoyouknowwhatgreatthingshavecomefromthinking?SirIsaacNewtonwassittinginhisgardenwhenhesawanapplefallfromatree.Hebegantothinkandtriedtofindoutwhytheapplefell.Thenhediscoveredhowthesun,moon,andstarsarekep...
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