外研版高中英语必修1module6ppt课件

.,1,Lead-in,WhatcanwedoontheInternet?,.,2,SomewebsitesIoftenvisit:,.,3,.,4,Whatdoeswwwstandsfor?,Whatdoescomstandsfor?,.,5,Discuss:Whatcanwedousingacomputer?,1.playgamesonthecomputer2.downloadmusicandfilms.3.watchTVandmoviesonline.4.readnovelsonline.,.,6,5.sendemailstofriends.6.takepartinchatQQgroups.7.buythingsonline.8.surfthewebforthelatestnews.9.Usetheinternettoresearchinformationforschooltask.,.,7,Whatdoescomstandfor？,cn?,gov?,.,8,.,9,.,10,.,11,Domainnames,com-Commercializations，工、商、金融等企业,edu-Educationalinstitutions教育机构,gov-Governmentalentities政府部门,mil-Military军事机构,cn-China中国,.,12,WhatistheInternet?Whatisworldwideweb?Whoinventedworldwideweb?,Globalreading,.,13,1.Whatistheinternet?Theinternetisthebiggestsourceofinformation（最大的信息来源）intheworld,anditisaccessible（获得）throughacomputer.,.,14,TheWorldWideWebwasinventedin1991byanEnglishscientist-TimBerners-Lee.,3.Whoinventedit?,2.WhatistheWorldWideWeb?Itisacomputernetwork（计算机网络）thatallowscomputersto（允许、做）access（获得）informationfrommillionsofwebsitesviatheInternet.,.,15,.,16,.,17,Paragraph,Mainidea,Paragraph1,Paragraph2,Paragraph3,Paragraph4,Paragraph5,Paragraph6,a.Thepresentsituation（目前状况)ofBerners-Lee,b.Berners-LeeinventedtheWorldWideWeb,c.Thedefinition（定义）oftheWorldWideWeb,d.EveryonecanusetheInternet,e.HowtheInternetstarted,f.ThedefinitionoftheInternet,Matcheachparagraphwiththemainidea,.,18,Whatisthispassageabout?,Thepassage_,introducestheinventorofWorldWideWroducestheinventoroftheInternet.tellsussomethingabouttheInternetandWorldWideWeb.D.tellsusthattheInternetiswidelyusedallovertheworld.,C,.,19,Fillinthetable,Nameofthenetwork,Inventor,users,DARPANET,NSF,universitiesandthearmy,everyone,www,theUSarmy,TimBerners-Lee,DARPA,INTERNETNSFNET,Year,Event,.,20,Sameornot?,1.Forfifteenyears,onlytheUSarmycouldusethissystemofcommunication.TheUSarmyonlyusedthissystemfor15years.After15years,otherpeoplewereabletouseitaswell.2.About80percentofwebtrafficisinEnglish,butthispercentageisnowgoingdown.(a)WebtrafficinEnglishisbecominglessinteresting(b)ThepercentageofEnglishwebsitesisgettingsmaller.,.,21,3.TheWorldWideWeb.allowscomputeruserstoaccessinformation.(a)ComputeruserscanaccessinformationbecauseoftheWorldWideWeb.(b)YouneedpermissionfromtheWorldWideWebbeforeyoucanaccessinformation.4.HecameupwiththeideaoftheWorldWideWeb.,(a)Itwashisidea(b)Hefoundtheideainabook.,.,22,Textstructure,Part2(3-6):TheWorldWideWeb&itsinventorBerners-Lee.,Thepassageisdividedintoparts.,Part1(1-2):Thedefinition&developmentoftheInternet.,2,.,23,Boys:thinkofthediadvantagesoftheInternet.Gils:thinkoftheadvantagesoftheInternet.,Everycoinhastwosides.TheInternethasitsownadvantagesanddisadvantages,Discussion,.,24,easytocontactsearchinformationshoppingonlinestudyonlinewatchlivematchesandotherprogramslistentomusicseethedoctor,badforeyeslazierandfatterlesschancetogetalongwithothersspendtoomuchtimeplayingcomputergamesandchattingfailintheexam,Suggestion,goon-lineproperlyhaveatimelimitchoosethingswhicharevaluabletoourstudyandlifeplacestudy,healthandsafetybeforeotherthi