【完形填空Mostofuscanrememberthedayswhenwedidn'tusee-mailasaneverydayvehicleforcommunication.Slowlybutsurelyitcreptinto1.E-mailisa2toolforcollegestudentsatanylevel.It'savailable】

　　完形填空

　　Mostofuscanrememberthedayswhenwedidn'tusee-mailasaneverydayvehicleforcommunication.Slowlybutsurelyitcreptinto1.E-mailisa2toolforcollegestudentsatanylevel.It'savailable24hoursaday7daysaweekand3atholidays.Mostuniversitiesassignstudentsanaccountuponentrance4thereisusuallynotevenanoption（选择）involved.

　　Youcandoeverythingfromconsultingonhomeworkandprojects5classmatesfamilyandfriendsandgettingdailynewsservicesto6youinformedofworld7.Butwhatarethe8?

　　E-mailcanbee-jail.Youmight9hourswritingandreplyingtoe-mail10youshouldbebusywiththebooksforanupcomingexam.

　　11youmightbesignedupforsomanydailyservices12horoscopesnewsservicesorpersonalsthatyourmailboxis so“junkmail”thatfindingthe14e-mailsthroughyourboxmighttakehours.

　　Ifyou'reastudent15isprecious.Createandorganizeyoure-mailfoldersintoimportantschool--relatedmailcorrespondencewithfriendsandfamilyandafolderforjokeshoroscopesandothernewsservices.16putthemailintotheproperfoldersfirstandwhenyou'refinishedheadfortheimportantschoolrelatedfolderfirst.Respondtothemostimportante-mailsfirstand17youhavetimeyoucangettotheothers.

　　18yourfriendsfromforwardingthosetiresomejokelistssexquizzesandchainmails.Theminuteyou19you'vegotonedeleteit

　　20soyouwon'tbetemptedtoreadit.

　　(1)A．thelives

　　B．life

　　C．ourlives

　　D．uslife

　　(2)A．valuable

　　B．changeable

　　C．favourable

　　D．changeable

　　(3)A．even

　　B．still

　　C．ever

　　D．yet

　　(4)A．but

　　B．so

　　C．because

　　D．exceptthat

　　(5)A．keepingtouchwith

　　B．gettingtouchedto

　　C．losingtouchwith

　　D．keepingintouchwith

　　(6)A．keeping

　　B．keep

　　C．leaving

　　D．leave

　　(7)A．accidents

　　B．incidents

　　C．events

　　D．things

　　(8)A．advantages

　　B．mistakes

　　C．wrongs

　　D．disadvantages

　　(9)A．spend

　　B．cost

　　C．take