牛津英語模塊七Unit3welcometotheunit課件1

Unit3TheworldonlineWelcometotheunit

BrainstormingDoyouknowhowpeoplekeepintouchwitheachother?Whatarethey?postcardsWhatarethey?lettersWhatarethey?TelephonesandmobilephonesWhatarethey?TelegraphsfaxesWhatarethey?computersDiscussionWhichonedoyouprefertousetokeepintouchwithyourfriends?Why?postcardtelephonecomputerletterDiscussionDoyouliketousetheInternet?Whatdoyouusuallyuseitfor?Lookattheposterandseewhatpeopledonowadaysuseitfor.Searchforinformationonavarietyoftopics.KeepintouchwithfamilymemberswherevertheyareintheworldLookattheposterandseewhatpeopledonowadaysuseitfor.ShopforthetopbrandsatthebestpricesallovertheworldLookattheposterandseewhatpeopledonowadaysuseitfor.Groupwork1.WhatdoyouthinkthemostimportantbenefitoftheInternetis?2.DoyouthinkthereareanynegativethingsabouttheInternet?3.InwhatwaysdoyouthinktheInternetwillimproveourlivesinthefuture?ListeningALiYueistalkingtohisteacher,Mr.Wu,aboutanewspaperarticlehehasfoundaboutInternetaddition.Checkasmuchofhisnotesbelowaspossible.CircleTifthestatementistrue,andFifitisfalse()1.About2,500,000peopleinChinausetheInternet.()2.Manyteenagersusecomputergamestoescapefromthepressuresofschoolandlife.()3.AtaclinicinBeijing,peopleareusuallytreatedforInternetaddictionfor15to20days.()4.Manyteenagersattheclinicfeelsadandnervous.ListeningBMsTang,LiYue’scomputerteacher,istellinghimhowtopreventInternetaddition.ReadLiYue’snotesbelowanddecidewhetherthestatementsaretrue(T)orfalse(F).()5.YoudonotneedtostopusingcomputerstopreventInternetaddition.()6.MsTangsaysthatyoucanmakeaplantospendonlytwohourseverydayplayingcomputergames.()7.Youshouldtellyourparentsandfriendsaboutyourplantolimityourcomputeruse.()8.Gettingtogetherwithfriendstotalkisbetterthanusingacomputerbyyourself.ReadingPleasereadthepassageonthepaperandthenchoosethecorrectanswers.Homework1.WriteapassageaboutadvantagesanddisadvantagesofusingtheInternet.2.Previewthereading.SuggestedanswersFastspeedandeasyaccessarethemostimportantaspectsoftheInternet.Comparedtothepostalsystem,e-mailisveryfastbecausepeoplecanreceiveane-mailinstantlyafteritissentinsteadofwaitingseveraldaysforaletter.Also,withawirethatconnectsthecomputerwiththeInternet,peoplenolongerneedtoqueuetopayforthing,tobookticketsortoregisterforsomething.Theyonlyneedtositinfrontofthecomputerandkeyintheirinformation.TheInternethasmademodernlifeveryconvenient.Suggestedanswers2.TheInternethasitsnegativeaspects.AstheInternetallowsfreeflowofinformation,peoplesometimesfindthatthereistoomuchinformationonlinethathasnotbeenproventobetrue.Tosomeextent,theInternetisbecomingaplacetospreadrumours.Inaddition,theInternethelpsthefreespreadanddownloadingofpictures,literature,musicorfilmswithoutacquiringthepermissionfromthecopyrightholders,whichisillegal.Suggestedanswers3.TheInternetwillfreepeoplefromtheoffice.Peoplewillnothavetogototheirofficeseveryday.Theycandotheirbusinessonline,includingreadingdocumentsandhavingmeetings.Atthattime,peoplewillhavemoresparetimeandarrangetheirpersonallivesfreely.Besides,everypartofahomecanbeconnectedtotheInternet,e.g.,thefridge,themicrowaveovenorthebath,sothatyoucanusethecomputertopoponlineandcontroltheelectricdevicesathomewhenyouareaway.Atthattime,youcangethomewithfoodreadyinthemicrowaveovenandhotwaterreadyinthebathroom.Whatusedtobeagreatnuisanceinthedailylifewillbejustsimplyatoneclickofthemouse.Finally,theInternetwillshortenthedistancebetweenpeop