Module6-The-Internet-and-Telecommunications-课件

网络与通信REVISIONSomewordsaboutcomputerHarddiskmonitormousescreenCD-ROMkeyboardLead-inDoyoulikesurfingtheInternet(网上冲浪)?WhatcanwedoontheInternet?doonlineshopping网上在线购物chatontheInternet网上聊天sendane-mailtoyourfriends（代表）?ItstandsforWorldWideWeb（环球网、万维网）.SomewebsitesIoftenvisit:internetFastReading4minutesAfterreading,answerthefollowingquestions?1.Whatistheinternet?2.Howdiditstart?3.WhatistheWorldWideWeb?4.Whoinventedit?1.Whatistheinternet?Theinternetisthebiggestsourceofinformation（最大的信息来源）intheworld,anditisaccessible（获得）throughacomputer.2.Howdiditstart?(thebirthofinternet)In1969,DARPA,created_________DARPANETIn1984,NSF,started___________.NSFNETThenNSFNETbecame____________.Inter-Network(Internet)3.WhatistheWorldWideWeb?Itisacomputernetwork（计算机网络）thatallowscomputersto（允许、、做）access（获得）informationfrommillionsofwebsitesviatheInternet.TheWorldWideWebwasinventedin1991byanEnglishscientist---TimBerners-Lee.4.Whoinventedit?ParagraphMainideaParagraph1Paragraph2Paragraph3Paragraph4Paragraph5Paragraph6a.Thepresentsituation（目前状况)ofBerners----Leeb.Berners-LeeinventedtheWorldWideWebc.Thedefinition（定义）oftheWorldWideWebd.EveryonecanusetheInternete.HowtheInternetstartedf.ThedefinitionoftheInternetMatcheachparagraphwiththemainideaA.IntroducetheinventorofWorldWideWeb.B.TellussomethingabouttheInternetandWorldWideWeb.C.TheInternetiswidelyusedallovertheworld.Whatisthepassageabout?ThepassageisaboutBReadthetextagainanddotrue-falseexercises:1.Therearemillionsofpagesofinformationontheinternet.2.TheUSarmywerethefirstpeoplewhousedanInternetsystem.3.UniversitiesstartedusingtheInternetatthesametimeasthearmy.4.ThepercentageofwebsitesinEnglishisgettingsmaller.5.TimBerners-LeemadeitpossibleforscientiststousetheInternet.6.Hehasmadealotofmoneyfromhisinvention.CarefulReadingPara1.Thedefinition(定义）oftheInternet.Para2._____________________oftheInternet.Para3._________________oftheWorldWideWeb.Para4.__________________oftheWorldWideWeb.Para5.___________________ofWorldWideWeb.Para6.AboutBerners-Lee—_____________________TextstructureThepassageisdividedintoparts.twoPart1(1-2):Thedefinition&developmentoftheInternet.Part2(3-6):TheWorldWideWeb&itsinventorBerners-Lee.Thebirth（出生，起源）ThedefinitionTheinvention（发明）Thedevelopment（发展）theinventorof(a)TheUSarmyonlyusedthissystemfor15years.(b)After15years,otherpeoplewereabletouseitaswell.2.About80percentofwebtrafficisinEnglish,butthispercentageisnowgoingdown.(a)WebtrafficinEnglishisbecominglessinteresting(b)ThepercentageofEnglishwebsitesisgettingsmaller.3.TheWorldWideWeb…..allowscomputeruserstoaccessinformation…..(a)ComputeruserscanaccessinformationbecauseoftheWorldWideWeb.(b)YouneedpermissionfromtheWorldWideWebbeforeyoucanaccessinformation.4.HecameupwiththeideaoftheWorldWideWeb.(a)Itwashisidea(b)Hefoundtheideainabook.rCheck:TaskOneWhichsentencesinthepassagehavethesamemeaningwiththefollowingones?1)TheInternetismadeupofmillionsofpagesofdata.2)After15years,notonlyUSarmybutalsootherpeoplewereabletousethisnetworkofcomputer.Itconsistsofmillionsofpagesofdata.Forfifteenyears,onlytheUSarmycouldusethissystemofcommunication.Boys:thinkoftheadvantagesoftheInternet.Gils:thinkofthedisadvantagesoftheInternet.Everycoinhastwosides.TheInternetalsohasitsadvantages（优点）anddisadvantages（缺点）.AdvantagesDisadvantageseasytocontactsearchinformationshoppingonlinestudyonlinewatchlivematchesandotherprogramsseethedoctor…badforeyeslazierandfatterlesschancetogetalongwithothersspendtoomuchtimeplayingcomputergamesandchattingfailintheexam∙∙∙Suggestiongoonlineproperlyhaveatimelimitchoosethingswhicharevaluabletoourstudyandlifeplacestudy,healthandsafetybeforeotherthingsHomework:Whatdoyouwanttosaytoyourfriendswhoareaddictedto(对……上瘾)Cyberbars（网吧)?Writeashortpassageaboutthistopic“KeepawayfromCyberBars”…(inabout100words)TheInternetis___________throughacomputer,andit___________millionsofpagesofdata.Theycreatedanetworkofcomputers_______DARPANET._____thenbecamepossibleforuniversitiestousethesystem_________.NSFNET_______________theInter-Network,or“Internet”.TimBerners-Leemadeit__________foreveryonetousetheInternet,__________universitiesandthearmy.He________thefirst“webbrowser”,______allowedcomputerusersto_______documentsfromothercomputers.____________________,thewebandtheInternetgrew.EveryoneintheworldcanaccesstheInternet_______hisWorldWideWebsystem.NowBerners-Leeworks____alecturerinafamousuniversity.accessibleconsistsofcalledItaswellbecameknownaspossiblenotjustdesignedwhich__accessFromthatmomentonusingasListentothepassageandfillintheblanksaccessibleadj.易接近的、可以使用的canbereached/usedInternetisaccessibletoallthecomputerusers.beaccessibletosthaccessn.meansofentering;entrance.接近；通路；接近或进入的权利Accesstotheresort(度假胜地)isquiteeasy.这个度假胜地很容易到达。Studentsmusthaveaccesstoagoodlibrary.v.访问,存取(信息,数据);接近,使用Itiseasytoaccessinformationfromthiswebsite.归纳拓展access后面常用介词to,前面用介词ofaccessibleadj.可到达的；可进