- 問題詳情:OnthemorningofSeptember11,2001,computersalesmanagerMichaelHingson,whoisblind,wentearlytohisofficeonthe78thflooroftheNorthToweroftheWorldTradeCentertoprepareforameeting.AsMichaelworked,hisguidedog,aLabradorretriever_______(name)Roselle,dozedby...
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