外研版九年级上英语M9 U2最新课件.ppt

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1、Module9GreatinventionsUnit2WillbooksbereplacedbytheInternet?Words:replace代替imagine想象printing印刷术produce生产；制作expensive昂贵的development发展trade贸易result发生；形成spread传播；蔓延introduction引入store存储varied多样化的form形式connection连接single单独的direction方向WillbooksbereplacedbytheInternet.Everymorningmyfatherb

2、uysanewspaperonhiswaytowork.EverydayIopenmybooksinclassandstartmylessons.Everyeveningmymotherlooksthroughmagazinesathome.Andeverynight,IlookatthephotosofDavidBeckhamandYaoMingonmybedroomwallbeforeIgotosleep.Canweimaginelifewithoutpaperorprinting?Paperwasfirstcreatedabout2,000yearsago

3、inChina.Afteritsinvention,peoplestarttowriteonpapertomakeabook.Inthosedays,bookswereonlybeproducedoneatatimebyhand.Asaresult,theywerenotmanybooks,andtheywereexpensiveandrare.Sofewpeoplehadthechancetolearntoread.PrintingwasinventedinChinaduringtheSuiandTangDynasties.Later,developments

4、inprintingmadeitpossibletoproducebooksmorequicklyandcheaply.Atradeinbooksresulted,andmorepeoplelearnttoread.Knowledgeandideasspreadfasterthaneverbefore.Inaway,wecancomparetheinventionofpaperandprintingtotheintroductionoftheInternetinthetwentiethcentury.AlthoughtheInternetisstillyoung

5、,itisgrowingveryfast,andmaybecomemorepowerfulthanprinting.AmuchlargeramountofinformationcanbestoredinmorevariedformsontheInternetthaninbooks.SomeonewithanInternetconnectioncanfindinformationmuchmoreeasilythantheycanfinditinprintedforms.Andthemachinesweusetoreaditarenowsmallandlight,o

6、ftensmallerandlighterthanasinglebook.ComputersandtheInternetareusedinclassroomsnow,andnewspapersandmagazinesarealreadyreadonline.Sowhatdirectionwilltraditionalprintingtakeinthefuture?WillbooksbereplacedbytheInternet?Let’swaitandsee.Thankyou！LanguagePoints:1.bereplacedby被...所取代replace

7、接替；取代。及物动词。eg.Idon'tthinkthatmanwillbereplacedbyrobotsinthefuture.IwillreplaceLucyontheteam.2.lookthrough快速阅读；浏览eg.Pleaselookthroughyournotesbeforetheexamination.与look相关短语：lookfor寻找；寻求lookback回顾；回忆lookup查找lookout小心lookforwardto盼望lookafter照顾lookinto审查；调查lookat看3.atatime每次；一次eg.Pleasea

8、skonequestio