公开课课件 人教版BOOK 2第三单元Who am I课件

Unit31Unit31First,let’splayagame!Whatarethey?2First,let’splayagame!WhatHugecomputer3Hugecomputer3PC

(personalcomputer)laptop

(notebookcomputer)4PC

(personalcomputer)laptop

PDA(personaldigitalassistant)robot5PDA(personaldigitalassistanSimilarity?They’recomputersindifferentstages.What’snext?6Similarity?They’recomputeri-robot(intelligentrobot)7i-robot(intelligentrobot)7WHOAMI?

Unit3Computers——ReadingUnit3Computers——reading8WHOAMI?Unit3Computers——Task1Lookatthepicturesandthetitleofthereadingpassage.Predictwhatitisgoingtobeabout.Prediction9Task1LookatthepicturesanTask2Lookattheseinventions.Puttheminorderaccordingtothetimewhentheyappeared.Afterreadingthepassage,checktoseeifyouwereright.( )analyticalmachine ( )laptop( )calculatingmachine ( )robot( )PC ( )universalmachine21456310Task2LookattheseinventionWhile-readingThedevelopmentofcomputers.11While-readingThedevelopmentoStep2JusthaveafastreadingFindouttopicsentencesofeachparagraph.OvertimeIhavechangedquitealot.Thesechangesonlybecamepossibleasmymemoryimproved.Sincethe1970smanynewapplicationshavebeenfoundforme.12Step2JusthaveafastreadinStep3Moredetailedreading!ReadPara.1in2minsandfindoutthedevelopmenthistotyofcomputers.I’llgiveyousomeclues.13Step3Moredetailedreading!1936(1822)16421940sLatterAndlatter…acalculatingmachine,in1642ananalyticalmachine,(in1822),CharlesBabbageauniversalmachine,in1936,AlanTuringahugecomputer,aslargeasaroom,in1940sapersonalcomputerandalaptop,andusedinofficesandhomessincethe1970s…141936(1822)16421940sLatterAndlacalculatingmachine,in1642帕斯卡计算器是由布莱斯·帕斯卡(BlaisePascal)发明的，帕斯卡计算器可以把一长串数字相加，在他的计算器中有一些互相联锁的齿轮，一个转过十位的齿轮会使另一个齿轮转过一位，人们可以像拨电话号码盘那样，把数字拨进去，计算结果就会出现在另一个窗口中。15acalculatingmachine,帕斯卡计算器是ananalyticalmachine,(in1822)分析机是由英国数学家查尔斯·巴贝奇设计的一种机械式通用计算机。它的设计逻辑却非常的先进，是大约100年后电子通用计算机的先驱。16ananalyticalmachine,(in182a“universalmachine”,in1936(notarealmachine,butjustamathematicalmodel)17a“universalmachine”,in1936ahugecomputer,aslargeasaroom,inthe1940s尺寸（英尺）30×50电容(个)10000重量（吨）30开关(个)6000真空管(个)18800耗电（W）150000电阻(个)70000成本（1940年）$40万ENIAC18ahugecomputer,aslargePara.219Para.219technicalwordsMemory:storageorstoragecapacityasofacomputer,disk,etc.chiptransistortube20technicalwordsMemory:storagnetworkTheWorldWideWeb21networkTheWorldWideWeb21Thesechangesonlybecamepossibleasmymemoryimproved.tubestransistorssmallchipsnetworkWorldWideWebmoreandmorepowerful!22ThesechangesonlybecamPara.3Findsomesupportingdetailsforthetopicsentence.1minute.Sincethe1970smanynew

applicationhavebeenfoundforme.23Para.3FindsomesupportingSmunicationsfinancetraderobotsmobilephonesmedicaloperationsspacerocketsexploringtheMoonandMarsAnyhow,mygoalistoprovidehumanswithalifeofgoodquality.24Sincethe1970smanynewName:computerBorn:(time)_______(place)__________Myrealfather:_______________Mysize:1._______________(inthepast)2.____________________(modern)Myhistory:1.1642___________machine2.1822__________machine3.1936__________machine4.1940s______________5.1970s

_______and______Mymemory:________________________Myapplications:_______________;________;_______________;________;_______________;______________;_______________...

WhoamI？1642FranceAlanTuringhugesmallerandsmalleranalyticalcalculatinguniversallaptopPCtubestransistorschipscommunicationfinancerobotmobilephonespacerocketmedicaloperationtradehugecomputer25Name:computerWhoamI？1642FParagraph2Paragraph3Thesechangesonlybecamepossibleasmymemoryimproved.Sincethe1970smanynewapplicationshavebeenfoundforme.SupportingdetailscalculatingmachineanalyticalmachineuniversalmachinePCtubestransistorssmallchipscommunicationsfinancetraderobotsmobilephonesMedicaloperationsspacerocketParagraph1TopicsentenceOvertimeIhavebeenchangedquitealot.26Paragraph2Paragraph3ThesechWritingskillspersonification（拟人）narrativeperspective:first-personnarrative（叙述角度：第一人称角度）chronologicalorder(时间顺序)mainideasandsupportingdetails（主旨+支撑细节）27Writingskillspersonification（Howdoweusecomputersindailylife?ComputersBECDAcommunicationentertainmentinformationworkandjobcommerce/financeonline28HowdoweusecomputersindaicommunicationchattingsendingE-mailsexpressingideasonlinemakingnewfriends…29communicationchatting29entertainmentplayinggameswatchingmovieslisteningtomusic…30entertainmentplayinggames30informationreadingnewssearchingforusefulinformation,suchaspriceinformation,jobinformationandsoonaskingquestionsandseekingforhelp…31informationreadingnews31commerce/financeonlineshoppingonlinetransferringaccountspayingallkindsofbills,suchaswater&electricityfees,cellphonefeesandsoonspeculatinginstocksonline…32commerce/financeonlineshoppinworkandjobusingcomputerstodojobsapplyingforjobsonlinedoingresearch…33workandjobusingcomputerstoSummaryI,thec_________,wasacalculatingmachinein1642inF_______.In1936,Ibecamea“u________machine”tos_____anymathematicalproblem.Sincethe1970sIhavebeenusedfirstasaP___andthenasal______inofficeandh______.omputerranceniversalolveCaptopomes34SummaryI,thec_________,wasManychangeshavehappenedtomys____,somys______totallychanged.Ihavebeenwidelyusedinmanyfields,Ihavealsobeenputintorobotstoe_______theMoonandMars.izehapexplore35ManychangeshavehappenedtoDiscussionShouldhighschoolstudentssurftheinternet(上网)?Ithinkhighschoolstudentsshouldsurftheinternetbecause…(first,secondly,thirdly)Ithinkhighschoolstudentsshouldnotsurftheinternetbecause…(first,secondly,thirdly…)36DiscussionShouldhighschoolsAdvantagesWecancommunicatewithfriendsListentothemusicSeefilms&watchnewsPlaygamesDoshoppingSavealotoftimeDoalotofusefulthings37Advantages37DisadvantagesSomepeopleespeciallytheteenagersabandon(沉迷于)themselvestothecomputergamesandchattingontheInternet.Asaresult,theyhavelittletimetostudy.Somepeopleusethecomputerwrongly.Ifyouspendtoomuchtimeonit,itwilldoharmtoourhealth.38Disadvantages38

ConclusionThereisnodoubtthatcomputerhastwosides,too.Ifwemakegooduseofit,itwillmakeourlivesmorecolorfulandconvenient.Butdon’tloseyourselfinplayingcomputers.Justremember:Keepfit,studywellandworkhard.39Conclusion39HomeworkThemovieWallEMoreinformationaboutthedevelopmentofcomputers.40HomeworkThemovieMoreinformatThankYou!ThankYouAll!YouandYou!41ThankYou!ThankYouAll!YouUnit342Unit31First,let’splayagame!Whatarethey?43First,let’splayagame!WhatHugecomputer44Hugecomputer3PC

(personalcomputer)laptop

(notebookcomputer)45PC

(personalcomputer)laptop

PDA(personaldigitalassistant)robot46PDA(personaldigitalassistanSimilarity?They’recomputersindifferentstages.What’snext?47Similarity?They’recomputeri-robot(intelligentrobot)48i-robot(intelligentrobot)7WHOAMI?

Unit3Computers——ReadingUnit3Computers——reading49WHOAMI?Unit3Computers——Task1Lookatthepicturesandthetitleofthereadingpassage.Predictwhatitisgoingtobeabout.Prediction50Task1LookatthepicturesanTask2Lookattheseinventions.Puttheminorderaccordingtothetimewhentheyappeared.Afterreadingthepassage,checktoseeifyouwereright.( )analyticalmachine ( )laptop( )calculatingmachine ( )robot( )PC ( )universalmachine21456351Task2LookattheseinventionWhile-readingThedevelopmentofcomputers.52While-readingThedevelopmentoStep2JusthaveafastreadingFindouttopicsentencesofeachparagraph.OvertimeIhavechangedquitealot.Thesechangesonlybecamepossibleasmymemoryimproved.Sincethe1970smanynewapplicationshavebeenfoundforme.53Step2JusthaveafastreadinStep3Moredetailedreading!ReadPara.1in2minsandfindoutthedevelopmenthistotyofcomputers.I’llgiveyousomeclues.54Step3Moredetailedreading!1936(1822)16421940sLatterAndlatter…acalculatingmachine,in1642ananalyticalmachine,(in1822),CharlesBabbageauniversalmachine,in1936,AlanTuringahugecomputer,aslargeasaroom,in1940sapersonalcomputerandalaptop,andusedinofficesandhomessincethe1970s…551936(1822)16421940sLatterAndlacalculatingmachine,in1642帕斯卡计算器是由布莱斯·帕斯卡(BlaisePascal)发明的，帕斯卡计算器可以把一长串数字相加，在他的计算器中有一些互相联锁的齿轮，一个转过十位的齿轮会使另一个齿轮转过一位，人们可以像拨电话号码盘那样，把数字拨进去，计算结果就会出现在另一个窗口中。56acalculatingmachine,帕斯卡计算器是ananalyticalmachine,(in1822)分析机是由英国数学家查尔斯·巴贝奇设计的一种机械式通用计算机。它的设计逻辑却非常的先进，是大约100年后电子通用计算机的先驱。57ananalyticalmachine,(in182a“universalmachine”,in1936(notarealmachine,butjustamathematicalmodel)58a“universalmachine”,in1936ahugecomputer,aslargeasaroom,inthe1940s尺寸（英尺）30×50电容(个)10000重量（吨）30开关(个)6000真空管(个)18800耗电（W）150000电阻(个)70000成本（1940年）$40万ENIAC59ahugecomputer,aslargePara.260Para.219technicalwordsMemory:storageorstoragecapacityasofacomputer,disk,etc.chiptransistortube61technicalwordsMemory:storagnetworkTheWorldWideWeb62networkTheWorldWideWeb21Thesechangesonlybecamepossibleasmymemoryimproved.tubestransistorssmallchipsnetworkWorldWideWebmoreandmorepowerful!63ThesechangesonlybecamPara.3Findsomesupportingdetailsforthetopicsentence.1minute.Sincethe1970smanynew

applicationhavebeenfoundforme.64Para.3FindsomesupportingSmunicationsfinancetraderobotsmobilephonesmedicaloperationsspacerocketsexploringtheMoonandMarsAnyhow,mygoalistoprovidehumanswithalifeofgoodquality.65Sincethe1970smanynewName:computerBorn:(time)_______(place)__________Myrealfather:_______________Mysize:1._______________(inthepast)2.____________________(modern)Myhistory:1.1642___________machine2.1822__________machine3.1936__________machine4.1940s______________5.1970s

_______and______Mymemory:________________________Myapplications:_______________;________;_______________;________;_______________;______________;_______________...

WhoamI？1642FranceAlanTuringhugesmallerandsmalleranalyticalcalculatinguniversallaptopPCtubestransistorschipscommunicationfinancerobotmobilephonespacerocketmedicaloperationtradehugecomputer66Name:computerWhoamI？1642FParagraph2Paragraph3Thesechangesonlybecamepossibleasmymemoryimproved.Sincethe1970smanynewapplicationshavebeenfoundforme.SupportingdetailscalculatingmachineanalyticalmachineuniversalmachinePCtubestransistorssmallchipscommunicationsfinancetraderobotsmobilephonesMedicaloperationsspacerocketParagraph1TopicsentenceOvertimeIhavebeenchangedquitealot.67Paragraph2Paragraph3ThesechWritingskillspersonification（拟人）narrativeperspective:first-personnarrative（叙述角度：第一人称角度）chronologicalorder(时间顺序)mainideasandsupportingdetails（主旨+支撑细节）68Writingskillspersonification（Howdoweusecomputersindailylife?ComputersBECDAcommunicationentertainmentinformationworkandjobcommerce/financeonline69HowdoweusecomputersindaicommunicationchattingsendingE-mailsexpressingideasonlinemakingnewfriends…70communicationchatting29entertainmentplayinggameswatchingmovieslisteningtomusic…71entertainmentplayinggames30informationreadingnewssearchingforusefulinformation,suchaspriceinformation,jobinformationandsoonaskingquestionsandseekingforhelp…72informationreadingnews31commerce/financeonlineshoppingonlinetransferringaccountspayingallkindsofbills,suchaswater&electricityfees,cellphonefeesandsoonspeculatinginstocksonline…73commerce/financeonlineshoppinworkandjobusingcomputerstodojobsapplyingforjobsonlinedoingresearch…74workandjobusingcomputerstoSummaryI,thec_________,wasacalculatingmachinein1642inF_______.In1936,Ibecamea“u________machine”tos_____anymathematicalproblem.Sincethe1970sIhavebeenusedfirstasaP___andthenasal______inofficeandh______.omputerranceniversalo