北师大版必修二unit4 lesson2 websites教案

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1、Unit4CyberspaceLesson2Websites教案Teachingaims:Topractiseextensiveandintensivelisteningskills.Tofindinformationfromawebsite.Topractisemakingplansandsuggestionsoverthetelephone.Teachingdifficulties:Topractisemakingplansandsuggestionsoverthetelephone.TeachingAids:computerandcassetteTeachingproce

2、dures:Ⅰ.WarmingupT:DoyouusetheInternet?Whatdoyouusuallyuseitfor?S:T:WhatdoestheInternethaveeffectonourlife?S:Netchangesourlifeandmakeslifemoreconvenient.T:Doyouwanttoknowitshistory?CanyouansweranyofthesequestionsaboutthehistoryoftheInternet?1.WhydidtheNetbegin?a)formilitaryreasonsb)forscient

3、ificreasonsc)forbusiness2.whatyeardiditstartin?a)1959b)1969c)19793.Whendidpeoplestartcallingitthe‘Internet’?a)the1980sb)theearly1990sc)thelate1990s4.WhendidtheInternetstarttogrowveryfast?a)thelate1980sb)themid-1990sc)thelate1990sⅡListeningandtalkingStudentswillgiveallkindsofanswers,theteache

4、rcansay“Ithinkyoumustwanttoknowtheanswers,nowlet’slistentothetape,andseewhetheryourguessisright.”InordertopractiselisteningandtalkingyoucanaskthefollowingquestionWhydidtheNetbeginbythemilitary?ThePentagonwereworriedaboutcommunicationafteranuclearwar.In1969theythoughtoflinkingcomputersintoane

5、tworksothatifonepartofthenetworkwasdestroyed,otherpartscouldcontinueworking.Whatdopeopleusethenetworktodo?Peopleusethenetworktoshareideas.Theyuseitforentertainment,e-mail,playinggamesandgettinginformation.JustnowwediscusswhatweusetheInternettodo,ifwewanttolearnthesethings,which‘website’canyo

6、uvisittodothesethings?a)findoutwhat’sgoingoninyourtownb)lookforajobc)findoutthelatestworldnewsd)getinformationforaschoolhistoryprojecte)writetoyourfriendbye-mailf)buyclothesa3b1c6d2e5f4askstudentstotellyouthereasonwhyyouchoosetheanswers.Withthedevelopmentoftechnology,weoftenusetelephone.Doyo

7、uknowhowtocommunicateintelephone?Howdifferentitisfromourcountry?S:T:Theteacherwillmakeacommentonthestudents’answers.Showthefollowingphrasestothestudentsandexplainthemtothem.Seeyou,973273,Wouldyoulike,hangon,areyouupto,Doyoufancy,I’dbetter,Whydon’tw