必修二 unit3 computer reading公开课

Unit3Computerswelcometomyclass-----崔佳高一英语组Iamveryoldnow.IwasborninChina.Manypeopleusedmeforcalculatinginthepast,butnowIamabitlonelybecausetheydon’tlikemenow.abacusRiddles(谜语):DoyouknowwhoIam?Iamverysmall.Icanbeusedforcalculating.InChina,alotofstudentsusemewhensolvingmathematicalproblems.DoyouknowwhoIam?calculatorRiddles(谜语):Icanbeusedforcalculating.Besides,IcanalsobeusedforwatchingDVD,sendinge-mailandcommunicatingthroughtheInternet.However,IamnotaPC,becauseI’msmallenoughforyoutotakemewithyou.notebookcomputer/laptopDoyouknowwhoIam?Riddles(谜语):Whatdotheyhaveincommon?AnabacusAcalculatorAnotebookcomputercalculateReading:WhoamI?1.Whoam“I”inthestory?2.Whowasmyrealfather?3.Whatisthemainideaofthepassage?Thepassageisaboutthe____________ofcomputers.164219361940sThefirstfamilyofcomputerswasconnectedbyanetwork.1970snowTimeline200yearslaterScanning:1.Whoam“I”inthestory?Acomputer.2.Whowasmyrealfather?3.Whatisthemainideaofthepassage?Thepassageisaboutthe____________ofcomputers.developmentAlanTuring164219361940sThefirstfamilyofcomputerswasconnectedbyanetwork.1970snowTimelineThecomputerbeganasacalculatingmachine．200yearslaterAlanTuringwroteabookabouthowcomputerscouldbemadetoworkasa“universalmachine”．Thecomputerhadgrownaslargeasaroom1960sComputershavebeenusedinofficesandhomes．Manynewapplicationshavebeenfoundforthecomputer.Computersconnectpeopleallovertheworldtogether.Scanning:ThecomputerwasbuiltasAnalyticalMachinebyCharlesBabbage.CarefulReading:findthetopicsentenceofeachparagraphandtheirsupportingdetails.Usefulphrases(Para1)calculatingmachineAnalyticalmachinecardwithholestechnologicalrevolutionuniversalmachineartificialintelligencegobybyinternet计算器分析机穿孔卡技术革命人工智能通用机器经过,(时间)流失通过网络overtimebeconsidered(as/tobe)aslargeasAstimewentby随着时间的推移=astimegoesby=withtimegoingby被认为是......和......一样大随着时间的推移Paragraph1Topicsentence:SupportingdetailsOvertimeIhavebeenchangedquitealot.｛calclatingmachineanalyticalmachineuniversalmachinePClaptop•••••↓Thecomputerhasbecomesmallerandsmaller.1.memory2.store3.sharesthwithsb4.WorldWideWeb(）thephrasesandwords(para2)储存与某人分享某事万维网内存/记忆力Paragraph2Topicsentence:SupportingdetailsThesechangesonlybecamepossibleasmymemoryimproved.｛tubestransistorschipsnetworkWorldWideWeb•••••1.medicaloperations2.providesbwithsth3.ofhighquality4.befilledwith5.devotedfriendUndelinethephrasesandwords(para.3)医疗手术给某人提供某物=providesthforsb高质量装/填满.....=befullof忠实的朋友Paragraph3Topicsentence:SupportingdetailsSincethe1970smanynewapplicationshavebeenfoundforme..｛communicationsfinanceandtraderobotsmobilephonesmedicaloperations•••••SummaryThedevelopmentofcomputers:CalculatingmachineAnalyticalmachineUniversalmachinePCLaptopSummaryofthedevelopmentofcomputersIwasbornasa_______________in1642inFrance.In1822Iwasbuiltasan___________.Thenin1936myrealfather___________wroteabookandbuilta_____________.Astime______,Ihavebeenmade__________butmyfunctionshavebecome__________.Inthe1960stheygavemeafamily_____________.NowpeoplecallittheInternet.Iwasbroughtinto________inthe1970s.SoIbecamePC.SincemybirthIhavetrulybeenbuilttoservethehumanrace.calculatingmachineAnalyticalmachineuniversalmachinewentbysmallerandsmallerbetterandbetterconnectedbyanetworkofficesandhomesAlanTuringPlaycomputergamesWhatcancomputersbeusedtodoindailylife?Groupdiscussionlistentomusicreadbooksandmagazineswatchnewscommunicatewithfriendssende-mailschatwithfriendsthroughQQPlaycomputergamesDoshoppingListentomusic.Sende-mailsSearchinformationSeemoviesLearncomputerskillsChatadvantagesofcomputerswatchnewsreadbooksandmagzinesWecanusethecompuersto…disadvantagesofcomputerstalkwithyourclassmatesaboutthedisadvantagesafterclass.Homework:1.Writeashortpassageoftheadvantagesanddisadvantagesofcomputers2.Retellthepassageafterclass.英语老师让我们组织了一场为”中学生是否可以上网(Shouldhighschoolstudentssurftheinternet?)”的讨论.请根据讨论结果写一篇短文.Para1Weheldaheateddiscussionabout(论点).........Para2somestudentsthinkhighschoolstudentsshouldsurftheinternetbecause…(first,secondly,thirdly)someotherstudentsthinkhighschoolstudentsshouldnotsurftheinternetbecause…(first,secondly,thirdly…)Para3Personallyspeaking,......