公開(kāi)課課件 人教版BOOK 2第三單元Who am I課件

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帕斯卡計(jì)算器是由布萊斯·帕斯卡(BlaisePascal)發(fā)明的，帕斯卡計(jì)算器可以把一長(zhǎng)串?dāng)?shù)字相加，在他的計(jì)算器中有一些互相聯(lián)鎖的齒輪，一個(gè)轉(zhuǎn)過(guò)十位的齒輪會(huì)使另一個(gè)齒輪轉(zhuǎn)過(guò)一位，人們可以像撥電話(huà)號(hào)碼盤(pán)那樣，把數(shù)字撥進(jìn)去，計(jì)算結(jié)果就會(huì)出現(xiàn)在另一個(gè)窗口中。15acalculatingmachine,帕斯卡計(jì)算器是ananalyticalmachine,(in1822)分析機(jī)是由英國(guó)數(shù)學(xué)家查爾斯·巴貝奇設(shè)計(jì)的一種機(jī)械式通用計(jì)算機(jī)。它的設(shè)計(jì)邏輯卻非常的先進(jìn)，是大約100年后電子通用計(jì)算機(jī)的先驅(qū)。16ananalyticalmachine,(in182a“universalmachine”,in1936(notarealmachine,butjustamathematicalmodel)17a“universalmachine”,in1936ahugecomputer,aslargeasaroom,inthe1940s尺寸（英尺）30×50電容(個(gè))10000重量（噸）30開(kāi)關(guān)(個(gè))6000真空管(個(gè))18800耗電（W）150000電阻(個(gè))70000成本（1940年）$40萬(wàn)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（擬人）narrativeperspective:first-personnarrative（敘述角度：第一人稱(chēng)角度）chronologicalorder(時(shí)間順序)mainideasandsupportingdetails（主旨+支撐細(xì)節(jié)）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(上網(wǎng))?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帕斯卡計(jì)算器是由布萊斯·帕斯卡(BlaisePascal)發(fā)明的，帕斯卡計(jì)算器可以把一長(zhǎng)串?dāng)?shù)字相加，在他的計(jì)算器中有一些互相聯(lián)鎖的齒輪，一個(gè)轉(zhuǎn)過(guò)十位的齒輪會(huì)使另一個(gè)齒輪轉(zhuǎn)過(guò)一位，人們可以像撥電話(huà)號(hào)碼盤(pán)那樣，把數(shù)字撥進(jìn)去，計(jì)算結(jié)果就會(huì)出現(xiàn)在另一個(gè)窗口中。56acalculatingmachine,帕斯卡計(jì)算器是ananalyticalmachine,(in1822)分析機(jī)是由英國(guó)數(shù)學(xué)家查爾斯·巴貝奇設(shè)計(jì)的一種機(jī)械式通用計(jì)算機(jī)。它的設(shè)計(jì)邏輯卻非常的先進(jìn)，是大約100年后電子通用計(jì)算機(jī)的先驅(qū)。57ananalyticalmachine,(in182a“universalmachine”,in1936(notarealmachine,butjustamathematicalmodel)58a“universalmachine”,in1936ahugecomputer,aslargeasaroom,inthe1940s尺寸（英尺）30×50電容(個(gè))10000重量（噸）30開(kāi)關(guān)(個(gè))6000真空管(個(gè))18800耗電（W）150000電阻(個(gè))70000成本（1940年）$40萬(wàn)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（擬人）narrativeperspective:first-personnarrative（敘述角度：第一人稱(chēng)角度）chronologicalorder(時(shí)間順序)mainideasandsupportingdetails（主旨+支撐細(xì)節(jié)）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