九年级英语外研社上M4U2Bookscouldbeproducedmorequicklyandcheaply(全单元完整课件),共62张幻灯片,两个课时授完.课件囊括了教材里的各项活动,您无须因重新排版、输入电脑、浪费时间而烦恼.这是与其他课件的不同之处.全单元共分六个部分.第一部分：图片呈现课文重点难点.第二部分：重点难点归纳.第三部分：课文活动.第四部分:语法专讲专练.第五部分：过关检测.第六部分：家庭作业。Unit2.Bookscouldbeproducedmorequicklyandcheaply.Module4Greatinventions1.80元Activity1.Workinpairs.Readthetitleofthepassage.Discusstheadvantagesofbothbooksandcomputers.Makealistoftheadvantagesandthedisadvantagesofthebook.AdvantagesDisadvantages.1.getdustonshelves2.takeupspaceathome3.canbeexpen-sive4.Usetrees,sonotenvironmentallyBooks2.oftencheap;1.easytogetanduse3.betterthanwatch-ingthecomputer’sscreen;AdvantagesDisadvantages.1.keeplotsofinformation2.Many”books”arefree3.Easytofindlotsof“books”1.Expensive2.Needtoknowhowtouseitcorrectly3.Useelectricity4.Youcanloseeverythingifit“crashes”5.Notpleasanttoreadonscreen,needtoprintout4..Watchmovies,listentomusic,playgames…;5..Hugeamountsofdatacouldbeprocessed;6..Saveimportantinformation;7..Workforaverylongtime.ComputersActivity2.Readthepassageandmatchthemainideaswiththeparagraphs.aTheworldbeforebooksbTheinventionofprintingcLifeonpaperandinprintdTechnologyandbookseCanbooksbereplacedbycomputers?Canbooksbereplacedbycomputers?bookscomputersbuyanewspaperEverymorningmyfatherbuysanewspaperonhiswaytowork.looksthrough(1)magazinesEveryeveningmymotherlooksthroughmagazinesathome.openmybooksEverydayIopenmybooksinclassandstartmylessons.Everynight,IlookattheposterswithphotosofDavidBeckhamandYaoMingonmybedroomwall.lookattheposterswithphotosofDavidBeckhamandYaoMing.Everymorningmyfatherbuysanewspaperonhiswaytowork.EverydayIopenmybooksinclassandstartmylessons.Everyeveningmymotherlooksthroughmagazinesathome.Andeverynight,IlookattheposterswithphotosofDavidBeckhamandYaoMingonmybedroomwallbeforeIgotosleep.Canweimaginelifewithoutpaperorprint?Readthefirstpassageandanswerthequestions.P1c.LifeonpaperandinprintWhichdoesthepassagematchwith,a,b,c,dore?create(2)paperPaperwasfirstcreatedabout2,000yearsago.Paperhasbeenmadefrom(4)silk,cottonandbamboo.cotton(3)silkbamboopaperSince19thcentury,paperhasbeenmadefromwood.wood(5)paperPeoplelearnedtowritewordsonpapertomakeabook.Butinthosedays,bookscouldonlybeproducedoneatatimebyhand.Asaresult,theywereexpensiveandrare.produce(6)booksoneatatime(7)Paperwasfirstcreatedabout2,000yearsago,andhadbeenmadefromsilk,cotton,bamboo,and,sincethe19thcentury,fromwood.Peoplelearnedtowritewordsonpapertomakeabook.Butinthosedays,bookscouldonlybeproducedoneatatimebyhand.Asaresult,theywereexpensiveandrare.Andbecausethereweren’tmanybooks,fewpeoplelearnedtoread.Readthesecondpassageandanswerthequestions.P2a.Theworldbeforebooks1.Whichdoesthepassagematchwith,a,b,c,dore?2.Whywerebooksexpensiveandrarebeforetheinventionofprinting?Becausetheywerewrittenbyhand.3.Whenwaspaperfirstcreated?Whendoyouthinkbookswerefirstcreated?Paperwasfirstcreatedabouttwothousandyearsago.Bookswerefirstcreatedsoonafterpaper.4.Werebooksproducedbyhandorbymachineatfirst?Bookswereproducedbyhand.woodenblock(9)ink(8)Thefirstprintedbooksweremadebyputtinginkonawoodenblockandholdingthepaperagainstit.paperAtthebeginningof(10)the11thcentury,printingwasdevelopedgreatly,bookscouldbeproducedmorequicklyandcheaply.Asaresult,morepeople...
