沪教版(初中二年级)八年级英语上册：Unit-3-ComputersPeriod课件

Period1&2Unit3ComputersPeriod1&2Unit3Computers1.GettingreadyWhereareHiandLo?

WhatisHiwonderingaboutLo?

WheredoesLogethismoney?WhatcanyoudowithanATM?

WhatmakesanATMwork?

Lookatthecartoonandanswerthequestions.AcomputermakesanATMwork.ItcontrolstheATM.Wecangetmoneyfromitorputmoneyintoit.1.GettingreadyWhereareHian2

●●software●●hardware●●virus●●multimedia●●file●●PC●●network●●MatchthewordsincolumnAwiththedefinitionsincolumnB.ATM2.MoreaboutcomputersAsomethingthatgetsintoaprogramandharmsitacollectionofinformationonacomputerthatisstoredunderaparticularnameautomatedtellermachinethesetsofprogramsthatyouputintoacomputerwhenyouwantittodoparticularjobsacomputer’smonitor,keyboard,drives,etc.personalcomputertwoormorecomputerslinkedtogetheramixtureofsound,pictures,film,andwritingtogiveinformation,especiallywithcomputersB●●software●●hardDoyouhaveacomputerathome?Computersarelessexpensivenow.￥12,000￥3,600DoyouhaveacomputerathomeBrainstormComputerWhatdoyouusuallydowithcomputers?BrainstormComputerWhatdoyoutypecalculateWhatdoyouusuallydowithcomputers?typecalculateWhatdoyouusual1.The_____________showswordsandpictures.2.Weusethe________________fortyping.3.The‘brain’ofacomputerisinthe___________.4.Wemovethe_________________tocontrol

thecomputer.5.Wehearsoundfromthe____________________.Howmuchdoyouknowaboutcomputers?Lookatthephotobelowandcompletethesentenceswiththecorrectnames.1.The_____________showswordLookatthepictures,thetitleandthesub-headingsofthearticle.Thentick(✓)thefactsthatthearticleprobablytalksabout.✓✓✓1.Computersaregettingsmallerandbetter.2.Computerscandoimportantjobslikeflyingplanes.3.Computersmayworkasdoctors.4.Computersareexpensive.3.BeforeyoureadLookatthepictures,thetitlSmallerandbetterInthe1940s,thefirstcomputerswerebiggerthancars.Nowcomputersarebecomingsmallerandbetter.Somecomputersaretiny.Youmaybeunawareofthem.ThereisprobablyoneinsideyourTVorwashingmachine.Youdependoncomputersmorethanyourealize.Computerfacts4.VocabularySmallerandbetterComputerfacAsub-headingusuallytellsusthetopicoftheparagraph(s)belowit.sub-headingsAsub-headingusuallytellsusWhatcanwedowithcomputers?Wecanusecomputerstocalculate.Theycancalculateatafasterspeedthanwecanandalmostnevergivewronganswers.Wecanalsotypeanddrawthingswiththem.Inaddition,computerscandoimportantjobslikeoperatingrailwaysandflyingplanesandspaceships.Whatcanwedowithcomputers?Isacomputerclevererthanme?Theansweris“No”.Yourbraincanproducenewideasbutcomputerscannot.However,onedaycomputersmaybeabletodoabetterjobthanhumanbeings.Forexample,theymaybebetterthandoctorsatdoingtheirjob.Whatwillhappentousifcomputerscandoallourjobs?Willwehavenothingtodo?Computersmaychangeourlives,butwilltheymakethembetter?Isacomputerclevererthanme1.Ifsomethingisverysmall,itis_____________.(line5)2.Someyoungpeoplealwaysneedhelpfromtheirparents.Theyshouldlearnto_____________themselves.(line8)3.Wehadfunandlearntsomethingnewaswell.Wehada

goodtime._____________,welearntalot.(line14)4.Whenwemakeamachinework,we_____________it.

(line16)C1Thewordsinitalicsexplainthemeaningsofsomewords.Findthesewordstocompletethesentences.Changetheirformsifnecessary.1.IfsomethingisverysmalC2Completetheconversationbelowwiththewordsfromthebox.C2CompletetheconversationCompletethesentenceswiththewordsyouhavejustlearnt.Changetheirformsifnecessary.1.Ican’ttypebecausethe__________doesn’twork.2.You__________onyourparentstoomuch.Youshouldlearnhowtolookafteryourself.3.Myfather__________asanengineer.Hisjobisto_________somebigmachinesandrepairthem.4.CPUisthe“__________”ofacomputer.It’sa________partinthemainunit.5.Gettingangrymaymakeyoulosefriends,soitisimportantto__________yourfeelings.6.Heisdrivingataspeedof150kmperhour.It’sverydangerous,butheis__________ofthedanger.CompletethesentenceswiththReading(II)ComputersReading(II)Computers1.RevisionReadthesentencesandpayattentiontothewordsinitalics.Writeonewordorphrasethatisrelatedtoorsimilarinmeaningtothewordsinitalics.1.Theracingcarrunsat230kmanhour.It’sreallyfast!2.Whereistheant?Ican’tseeit.It’ssosmall.3.Hejuststoodintheroad.Hedidn’tseethecarcoming.4.IdecidetogotoWuhanbytrain.Theyoungmanmadehisrobotmovewitharemotecontrol.5.Wecannotalwaysaskourparentsforhelp.speedbeunawareofrailwaydependonoperatetiny1.RevisionReadthesentencesaComputerWheredoweusecomputersinourdailylife?Shareyourideas.ATMbankComputerWheredoweusecom2.WhileyoureadReadthefirstpartofthearticleandcompletethetablebelow.SmallerandbetterThefirstcomputersinthe1940sComputersnowadaysbecomingExampleConclusionbiggerthancarssmallerandbetterThereisprobablyatinycomputerinsideyourTVorwashingmachine.Youdependoncomputersmorethanyourealize.2.WhileyoureadReadthefWecanusecomputerstocalculateAdvantages

ExamplescalculateatafasterspeedthanwecanalmostnevergivewronganswerstypeanddrawthingsdoimportantjobsflyplanesoperaterailwaysReadthesecondpartofthearticleandcompletethetablebelow.Whatcanwedowithcomputers?flyspaceshipscalculatecalculateatafast

Readthethirdpartofthearticleandanswersomequestions.Isacomputerclevererthanme?No,itisn’t.Becausethehumanbraincanproducenewideasbutcomputerscannot.Whatjobmaycomputersbeabletodobetteroneday?Thejobofadoctor.Whatproblemwillweprobablyfaceifcomputerscandoallourjobs?Wemayhavenothingtodo.Isacomputerclevererthanyou?Why?Readthethirdpartofthe沪教版(初中二年级)八年级英语上册：Unit-3-Computers(Period课件S1:Wecandomanythingswithcomputersinourdailylife.S2:Forexample?S1:Wecan_________,_________and________________

withthem.S1:Theremaybetinycomputersinyourhome.S2:Where,forexample?S1:Insideyour_________or________________.2.1.3.Afteryouread

D1Completetheanswerswiththeexamplesfromthearticle.typedrawthingsTVwashingmachinecalculateS1:WecandomanythingswithS1:Computerscandosomeimportantjobs.S2:Forexample?S1:Theycan______________and_____________________.S1:Oneday,computersmaybeabletodoabetterjobthanhumanbeings.S2:Forexample?S1:They_______________________________________.4.3.operaterailwaysflyplanesandspaceshipsmaybebetterthandoctorsatdoingtheirjob.4.3.operaterailwaysflyplanes

D2Answerthequestionsbelowincompletesentences.1.Whatwerethefirstcomputerslike?

________________________________________________

2.Whyareweunawareofsomecomputers?_________________________________________________3.Arecomputersclevererthanyouandme?

Whyorwhynot?__________________________________________________________________________________________________Theywerebiggerthancars.Becausetheyaretiny.No,theyaren’t.Becauseourbrainscanproducenewideasbutcomputerscannot.D2AnswerthequestionsbelComputerfactsPart3Part2Part1The__________ofcomputersindifferenttimesThe__________ofcomputersindailylifeThe__________betweenhumanbeingsandcomputersinthefuturesizesusesrelationshipCompletetheoutlineofthearticle.ComputerfactsPart3Part2PartFindsomeexamplesineachpartofthearticle.FindsomeexamplesineachparPutthefollowingsentencesintherightplacesofthearticle.Theyaresupercalculators.Putthefollowingsentenc2.Theymayalsobegoodteachers.2.Theymayalsobegoodteach3.YoumayalsohaveoneinyourwatchorMP3player.3.Youmayalsohaveoneinyo4.DiscussionD3Discussandanswerthequestionsbelowwithyourclassmates.1.Doyoudependoncomputersalotinyourdailylife?

Giveexamples.2.Doyouagreethatcomputerswillbeabletodoallourjobsinthefuture?Givereasons.4.DiscussionD3DiscussandHomework1.模仿录音的语音、语调，朗读课文。2.抄写短语：inthe1940s,calculateatafasterspeedthanwecan,jobslikeoperatingrailwaysandflyingplanes,

forexample,

bebetteratdoing…,happento…,havenothingtodo等。3.思考课文中的最后一个问题Willcomputersmakeourlivesbetter?给出观点和理由。4.完成练习。Homework1.模仿录音的语音、语调，朗读课文。ThankYou.ThankYou.33Period1&2Unit3ComputersPeriod1&2Unit3Computers1.GettingreadyWhereareHiandLo?

WhatisHiwonderingaboutLo?

WheredoesLogethismoney?WhatcanyoudowithanATM?

WhatmakesanATMwork?

Lookatthecartoonandanswerthequestions.AcomputermakesanATMwork.ItcontrolstheATM.Wecangetmoneyfromitorputmoneyintoit.1.GettingreadyWhereareHian35

●●software●●hardware●●virus●●multimedia●●file●●PC●●network●●MatchthewordsincolumnAwiththedefinitionsincolumnB.ATM2.MoreaboutcomputersAsomethingthatgetsintoaprogramandharmsitacollectionofinformationonacomputerthatisstoredunderaparticularnameautomatedtellermachinethesetsofprogramsthatyouputintoacomputerwhenyouwantittodoparticularjobsacomputer’smonitor,keyboard,drives,etc.personalcomputertwoormorecomputerslinkedtogetheramixtureofsound,pictures,film,andwritingtogiveinformation,especiallywithcomputersB●●software●●hardDoyouhaveacomputerathome?Computersarelessexpensivenow.￥12,000￥3,600DoyouhaveacomputerathomeBrainstormComputerWhatdoyouusuallydowithcomputers?BrainstormComputerWhatdoyoutypecalculateWhatdoyouusuallydowithcomputers?typecalculateWhatdoyouusual1.The_____________showswordsandpictures.2.Weusethe________________fortyping.3.The‘brain’ofacomputerisinthe___________.4.Wemovethe_________________tocontrol

thecomputer.5.Wehearsoundfromthe____________________.Howmuchdoyouknowaboutcomputers?Lookatthephotobelowandcompletethesentenceswiththecorrectnames.1.The_____________showswordLookatthepictures,thetitleandthesub-headingsofthearticle.Thentick(✓)thefactsthatthearticleprobablytalksabout.✓✓✓1.Computersaregettingsmallerandbetter.2.Computerscandoimportantjobslikeflyingplanes.3.Computersmayworkasdoctors.4.Computersareexpensive.3.BeforeyoureadLookatthepictures,thetitlSmallerandbetterInthe1940s,thefirstcomputerswerebiggerthancars.Nowcomputersarebecomingsmallerandbetter.Somecomputersaretiny.Youmaybeunawareofthem.ThereisprobablyoneinsideyourTVorwashingmachine.Youdependoncomputersmorethanyourealize.Computerfacts4.VocabularySmallerandbetterComputerfacAsub-headingusuallytellsusthetopicoftheparagraph(s)belowit.sub-headingsAsub-headingusuallytellsusWhatcanwedowithcomputers?Wecanusecomputerstocalculate.Theycancalculateatafasterspeedthanwecanandalmostnevergivewronganswers.Wecanalsotypeanddrawthingswiththem.Inaddition,computerscandoimportantjobslikeoperatingrailwaysandflyingplanesandspaceships.Whatcanwedowithcomputers?Isacomputerclevererthanme?Theansweris“No”.Yourbraincanproducenewideasbutcomputerscannot.However,onedaycomputersmaybeabletodoabetterjobthanhumanbeings.Forexample,theymaybebetterthandoctorsatdoingtheirjob.Whatwillhappentousifcomputerscandoallourjobs?Willwehavenothingtodo?Computersmaychangeourlives,butwilltheymakethembetter?Isacomputerclevererthanme1.Ifsomethingisverysmall,itis_____________.(line5)2.Someyoungpeoplealwaysneedhelpfromtheirparents.Theyshouldlearnto_____________themselves.(line8)3.Wehadfunandlearntsomethingnewaswell.Wehada

goodtime._____________,welearntalot.(line14)4.Whenwemakeamachinework,we_____________it.

(line16)C1Thewordsinitalicsexplainthemeaningsofsomewords.Findthesewordstocompletethesentences.Changetheirformsifnecessary.1.IfsomethingisverysmalC2Completetheconversationbelowwiththewordsfromthebox.C2CompletetheconversationCompletethesentenceswiththewordsyouhavejustlearnt.Changetheirformsifnecessary.1.Ican’ttypebecausethe__________doesn’twork.2.You__________onyourparentstoomuch.Youshouldlearnhowtolookafteryourself.3.Myfather__________asanengineer.Hisjobisto_________somebigmachinesandrepairthem.4.CPUisthe“__________”ofacomputer.It’sa________partinthemainunit.5.Gettingangrymaymakeyoulosefriends,soitisimportantto__________yourfeelings.6.Heisdrivingataspeedof150kmperhour.It’sverydangerous,butheis__________ofthedanger.CompletethesentenceswiththReading(II)ComputersReading(II)Computers1.RevisionReadthesentencesandpayattentiontothewordsinitalics.Writeonewordorphrasethatisrelatedtoorsimilarinmeaningtothewordsinitalics.1.Theracingcarrunsat230kmanhour.It’sreallyfast!2.Whereistheant?Ican’tseeit.It’ssosmall.3.Hejuststoodintheroad.Hedidn’tseethecarcoming.4.IdecidetogotoWuhanbytrain.Theyoungmanmadehisrobotmovewitharemotecontrol.5.Wecannotalwaysaskourparentsforhelp.speedbeunawareofrailwaydependonoperatetiny1.RevisionReadthesentencesaComputerWheredoweusecomputersinourdailylife?Shareyourideas.ATMbankComputerWheredoweusecom2.WhileyoureadReadthefirstpartofthearticleandcompletethetablebelow.SmallerandbetterThefirstcomputersinthe1940sComputersnowadaysbecomingExampleConclusionbiggerthancarssmallerandbetterThereisprobablyatinycomputerinsideyourTVorwashingmachine.Youdependoncomputersmorethanyourealize.2.WhileyoureadReadthefWecanusecomputerstocalculateAdvantages

ExamplescalculateatafasterspeedthanwecanalmostnevergivewronganswerstypeanddrawthingsdoimportantjobsflyplanesoperaterailwaysReadthesecondpartofthearticleandcompletethetablebelow.Whatcanwedowithcomputers?flyspaceshipscalculatecalculateatafast

Readthethirdpartofthearticleandanswersomequestions.Isacomputerclevererthanme?No,itisn’t.Becausethehumanbraincanproducenewideasbutcomputerscannot.Whatjobmaycomputersbeabletodobetteroneday?Thejobofadoctor.Whatproblemwillweprobablyfaceifcomputerscandoallourjobs?Wemayhavenothingtodo.Isacomputerclevererthanyou?Why?Readthethirdpartofthe沪教版(初中二年级)八年级英语上册：Unit-3-Computers(Period课件S1:Wecandomanythingswithcomputersinourdailylife.S2:Forexample?S1:Wecan_________,_________and________________

withthem.S1:Theremaybetinycomputersinyourhome.S2:Where,forexample?S1:Insideyour_________or________________.2.1.3.Afteryouread

D1Completetheanswerswiththeexamplesfromthearticle.typedrawthingsTVwashingmachinecalculateS1:WecandomanythingswithS1:Computerscandosomeimportantjobs.S2:Forexample?S1:Theycan______________and_____________________.S1:Oneday,computersmaybeabletodoabetterjobthanhumanbeings.S2:Forexample?S1:They_______________________________________.4.3.operaterailwaysflyplanesandspaceshipsmaybebetterthandoctorsatdoingtheirjob.4.3.operaterailwaysflyplanes

D2Answerthequestionsbelowincomplete