完形填空TwentyyearsagokidsinschoolhadneverevenheardoftheInternet.NowI'llbetyoucan'tfinda1personinyourschoolwhohasn't2heardofit.Infactmanyofususeitonaregularbasisandcan
完形填空
TwentyyearsagokidsinschoolhadneverevenheardoftheInternet.NowI'llbetyoucan'tfinda1personinyourschoolwhohasn't2heardofit.Infactmanyofususeitonaregularbasisandcanevenuseitat3.The"net"inInternetreallystandsfornetwork.Anetworkistwoormorecomputers4togethersothatinformationcanbe5orsentfromonecomputerto6.TheInternetisavast7foralltypesofinformation.Youmayenjoyusingittodo8foraschoolprojectdownloadingyourfavoritesongsor9withfriendsandfamily.Informationcanbefound10webpagesthatcompaniesorganizationsandindividuals(个人)create.It'slikeagiantbulletinboardthatthewholeworlduses!Butsinceanyonecanput11ontheInternetyoualsohavetobecarefulanduseyourbest12andalittlecommonsense.
Just13youreadsomethingonapieceofpapersomeoneputsonabulletinboarddoesn'tmeanthatit'sgoodinformationorevencorrectforthatmatter.Youhavetobesurethatwhoeverpostedtheinformationknowswhatthey'retalkingabout14ifyou'redoingresearch!Butwhatifyou'rejuste-mailingpeople?Youstillhavetobevery15ifyou'venevermetthepersonthatyou'recommunicatingwithonline.Youcouldbedoingsomething16!Youshouldnevergiveoutany17informationtosomeoneyoudon'tknownotevenyourname!Andjustlikeyoucan't18theinformationoneverywebsiteoutthere.Youcan't19onwhatstrangersyou"meet"ontheInternettellyoueither.Inthesamewaythatyoucould20thingsaboutyourselftotellsomeoneassomeoneelsecoulddothesametoyou!
(1)A.stupid
B.single
C.common
D.clever
(2)A.atleast
B.atmost
C.atlast
D.atfirst
(3)A.school
B.home
C.work
D.hospital
(4)A.met
B.communicated
C.joined
D.connected
(5)A.shared
B.found
C.made
D.chosen
(6)A.other
B.theother
C.another
D.others
(7)A.material
B.resource
C.source
D.matter
(8)A.homework
B.housework
C.research
D.experiments
(9)A.playing
B.talkin