高中英语-Book2-Unit-3-第三单元-reading：who-am-I课件-新人教版必修2

54321Whatarethey?Welcometomyclass!First,let’splayagame!HugecomputerPC(personalcomputer)laptop(notebookcomputer)PDA(personaldigitalassistant)robotAretheysame?They’recomputersindifferentstages.What’snext?i-robot(intelligentrobot)WHOAMI?Unit3Computers——ReadingUnit3Computers——reading2020/2/21WhoamI?FrankLi13Skimming:Readandanswerthesequestions:2.Whowasthefirstpersontoinventtheearliestcomputer?3.Whowasthenextimportantpersontodesigncomputers?CharlesBabbageAlanTuring1.WhoamI?Acomputer.Let’shaveamoredetailedreading!ReadPara.1in2minsandfindoutthedevelopmenthistotyofcomputers.I’llgiveyousomeclues.1936(1822)16421940sLatterAndlatter…acalculatingmachine,in1642ananalyticalmachine,(in1822),CharlesBabbageauniversalmachine,in1936,AlanTuringahugecomputer,aslargeasaroom,in1940sapersonalcomputerandalaptop,andusedinofficesandhomessincethe1970s…acalculatingmachine,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。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。a“universalmachine”,in1936(notarealmachine,butjustamathematicalmodel)ahugecomputer,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ENIACPara.2technicalwords•Memory:storageorstoragecapacityasofacomputer,disk,etc.chiptransistortubenetworkTheWorldWideWebPara.2•Readitbyyourselvesin2minandanswer:•Whereismemorystored?Para.3Findsomesupportingdetailsforthetopicsentence.(1minute.)Sincethe1970smanynewapplicationshavebeenfoundforme.Sincethe1970smanynewapplicationshavebeenfoundforme.•communications•finance•trade•robots•mobilephones•medicaloperations•spacerockets•exploringtheMoonandMarsAnyhow,mygoalistoprovidehumanswithalifeofgoodquality.Name:computerBorn:(time)_______(place)__________Myrealfather:_______________Mysize:1._______________(inthepast)2.____________________(modern)Myhistory:1.1642___________machine2.1822__________machine3.1936__________machine4.1940s______________5.1970s_______and______Mymemory:________________________Myapplications:_______________;________;_______________;________;_______________;______________;_______________...1642FranceAlanTuringhugesmallerandsmalleranalyticalcalculatinguniversallaptopPCtubestransistorschipscommunicationfinancerobotmobilephonespacerocketmedicaloperationtradehugecomputerWritingskills1.personification（拟人）2.narrativeperspective:first-personnarrative（叙述角度：第一人称角度）3.chronologicalorder(时间顺序)4.mainideasandsupportingdetails（主旨+支撑细节）Howdoweusecomputersindailylife?ComputersBECDAcommunicationentertainmentinformationworkandjobcommerce/financeonlinecommunication–chatting–sendingE-mails–expressingideasonline–makingnewfriends–…entertainment–playinggames–watchingmovies–listeningtomusic–…information–readingnews–searchingforusefulinformation,suchaspriceinformation,jobinformationandsoon–askingquestionsandseekingforhelp–…commerce/financeonline–shoppingonline–transferringaccounts–payingallkindsofbills,suchaswater&electricityfees,cellphonefeesandsoon–speculatinginstocksonline–…workandjob–usingcomputerstodojobs–applyingforjobsonline–doingresearch–…2020/2/21WhoamI?FrankLi34advantageswecancommunicatewithfriendslistentothemusicseefilms&watchnewsplaygamesdoshoppingsavealotoftimedoalotofusefulthingsDisadvantagesSomepeopleespeciallytheteenagersabandon(沉迷于)themselvestothecomputergamesandchattingontheInternet.Asaresult,theyhavelittletimetostudy.Somepeopleusethecomputerwrongly.2020/2/21WhoamI?FrankLi35Homework1.Reviewthetext2.Period1EX33.Copyandrememberthenewwords