外研版英语九上M4Unit2课件.ppt

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1、Howlonghasitbeenused?It’susedformorethan50years.Whoinventedit?It’sinventedbyAmericans.Whenwasitinvented?Itwasinventedin1946.Whatcanitbeusedfor…?Itcanbeusedfor…FreetalkWhatcanyoudoonInternet?shoppinginformationchatwithfriendslistentothemusicCanbooksbereplacedbycomputers?Why?外研初中三年级上册Mod

2、ule4GreatinventionsUnit2Bookscouldbeproducedmorequicklyandcheaply.Newwordsproduceinventionlookthroughcreatecottonwoodatatimebyhand生产发明浏览创造棉花木材一次用手工(制造)inkblockatthebeginningofknowledgespreadintroductionratherthanCD-ROMoneday墨水板子；街区在……的开始知识散播，传播传入；介绍而不是……只读光盘，只读光盘存储器某天Readthepassageandm

3、atchthemainideaswiththeparagraphs.c.Lifeonpaperandinprinta.Theworldbeforebooksb.Theinventionofprintingd.Technologyandbookse.Canbooksbereplacedbycomputers?Para1Para2Para3Para4Para5Readthepassageagain.Makenotestocompletethetimeline.today2,000yearsago11thcenturyinthefuturePaperfirstcrea

4、tedPrintingdevelopedInformationdownloadedfromtheInternetBooksmaybereplacedbycomputersReadthepassageagainandanswerthequestions.1.Whywerebooksexpensiveandrarebeforetheinventionofprinting?Becausetheywerewrittenbyhand.Becausemorepeoplelearnedtoreadandboughtbooks.2.Whydidideasspreadmorequi

5、cklywhenbooksbecamecheaper?Answerthequestions.Usethewordsintheboxtohelpyou.createdevelopholdkeepproducereceivespread1.Whenwaspaperfirstcreated?Whendoyouthinkwerefirstcreated?Paperwasfirstcreatedabout2,000yearsago.Bookswerefirstcreatedsoonafterpaper.2.Werebooksproducedbyhandorbymachine

6、atfirst?Byhand.3.Whatwasthepaperheldagainst?4.Whenwasprintingdeveloped?Paperwasheldagainstwoodenblocks.Atthebeginningofthe11thcentury.5.WhatcanbekeptonCD-ROMs?6.Whatcanbereceivedonline?Information.Information.ReadandgetthemainideasoftheparagraphsEverymorningmyfatherbuysanewspaperonhisw

7、aytowork.EverydayIopenmybooksinclassandstartmylessons.Everyeveningmymotherlooksthroughmagazinesathome.AndEverynight,IlookattheposterswithphotosofDavidBeckhamandYaoMingonmybedroomwallbeforeIgotosleep.Canweimaginelifewithoutpaperorprint?c.LifeonpaperandinprintReadandgetthemainideasofth