[简答]  完形填空：选择正确答案，补全文章（每题10分）。AlibabaSeekstoRaiseBillionsinIPO　　InvestorsintheUnitedStatesarepreparingforthefirstpublicsaleofstockintheChinesecompanyAlibaba.Thecompanysellsgoods linkingbuyersandsellersinthehugeChineseonlinemarket.Alibabaisexpectedto itsinitialpublicoffering,calledanIPO,inSeptemberontheNewYorkStockExchange.　　Thetotalvalueofthecompany,basedinHangzhou,hasbeenestimatedatabout$200billion.ReportsfromBloombergNewssayAlibabaisofferinginvestorsa12percent ofthecompany.Thatwouldmeanthecompanycouldraise $20billiondollarsinthepublicstocksale.AftertheIPO,Alibabacouldbecomeoneofthemost technologycompaniesintheworld.Apple,forexample,hasamarketvalueofabout$600billion.Googleisvaluedatabout$390billionandMicrosoftisworthabout$370billion.