[完形填空]  1.Thestudyshowsthatourcomputersaresuperiortothoseofourcompetitorsintermsoffunctionsandspeed.ABC2.Useoftheoverchargeonyouraccountandwehavecontactedthestoreonyourbehalfandareawaitingtheirreply.ABC3.ThoughtechnicallyquiteadvancedtodayAB.C.4.Youcanbuyalmosteverything,aslongasyouhaveaccesstotheInternetandenoughmoney.A.B.C.5.Whenindoubt,it’sbesttodeleteorifappropriate,markasjunkitem.A.B.C.