高中英語-Module2Unit3 computers教學課件設(shè)計

Unit3computersWhatisPC?Speakthefullname.Itmeans:personalcomputer.2.WhatisIT?3.WhatisW.W.W?Worldwideweb.Scienceandtechnology.InformationTechnology.4.科學技術(shù)。5.人工智能。Artificialintelligence.Iamamachinewhichisagoodhelperindoinghousework.Iwashclothesforpeople.WhoamI?Riddles(謎語):washingmachine

Amachinethatyouusetotalktootherpeopleeveninafar-awayplace.Weareconnectedbywireorradio.Noweachofusoftenhasanumber.

WhoamI?Riddles(謎語):telephoneWiththisyoucanwatchdifferentprogrammersjustathome.I’mamachinethathasascreenwithmovingpicturesandsounds.Butwatchingmetoomuchisbadforyoureyes.WhoamI?Riddles(謎語):TVsetIamveryoldnow.IwasborninChina.Manypeopleusedmeforcalculatinginthepast,butnowIamabitlonelybecausetheydon’tlikemenow.

WhoamI?abacusRiddles(謎語):ReadingcomprehensionWhoamI?Youareacomputer.2.Choosethebestanswer.1).Themachineisintroducingitselfmainlyaccordingto________?A.functionB.timeC.size2).Whowasthecomputer’srealfather?A.AlanTurningB.Notmentionedinthetext.C.BillGatesD.CharlesBabbage3).Thecomputeralmostchangedcompletely_______.A.in1642B.in1882C.inthe1960sD.inthe1970s4).Whenwerethecomputersconnectedfirstly?A.Inthe1970sB.Intheearly1960sC.In1936D.In1822Topicsentencesforeachparagraph:Para1OvertimeIhavebeenchangedquitealot.Para2Thesechangesonlybecamepossibleasmymemoryimproved.Para3Sincethe1970smanynewapplicationshavebeenfoundforme.III.Carefulreading

Activity2:TrueorFalseAlanTuringbuiltanAnalyticalMachinetosolveanymathematicalproblems.Peoplebegantorealizethatthecomputergotclevererandquickerwithtimepassing.Thecomputerbegantoservethehumanracesinceitwasbroughtintopeople’shomes.Sincethe1970s,thecomputerwasusedbypeoplearoundtheworldthroughtheInternet.5.Thelargerthecomputeris,themorememoryithas.FTFTFActivity4:Choosethebestanswer.1)What’sthemainideaofthetext?A.Thecomputerwantstofind“whoheis”.B.Thefunctionalchangeofthecomputer.C.Thecomputerbecomespopulararoundtheworld.D.Thehistoryanddevelopmentofthecomputer.2)WhyisAlanTuringcalledtherealfatherofthecomputer?A．Heinventedthecomputer.B．Hemadethecomputersmaller.C．Hemadethecomputerwidelyused.D．Hewroteabookaboutthecomputer.3).Whichofthefollowingstatementsisnotright?AComputerhasalonghistory.BComputerhaschangedgreatlysinceitwasfirstmade.CComputersarewidelyusednow.DComputerwasbroughtintopeople’shomeinthe1960s.4)．Whatcanwelearnfromthetext?A．Thecomputerwilltaketheplaceofhumanbeings.B．Thecomputerwillbesmarterthanhumanbeings.C．Thecomputerwillbeadisasterforhumanbeings.D．Thecomputerwillbeusedinmanyfieldsinlife.IV.Postreading1.Puttheminanorderaccordingtothetime.()analyticalmachine()laptop()calculatingmachine()robot()PC()universalmachine2.Fillinthecloze:1642Thecomputer__________________machine．The_________machinewasmadebyCharlesBabbage.1936AlanTuring_____________________howcomputerscouldbemadetowork．1940sComputershad________________aroom.Afamilyofcomputerswasconnectedbyanetwork.1970sFirstas_____andthen________computerswereusedinofficesandhomes.NowComputersconnectpeopleallovertheworldtogether263541beganasacalculatinganalyticalwroteabookaboutgrownaslargeasPCasalaptopThefutureofthecomputersimaginationDiscussion：1.Whatcanthecomputerbeusedfor?Tips:Wecanuseacomputerto…2.Shouldhighschoolstudentssurftheinternet(上網(wǎng))?3.Whatareadvantagesanddisadvantagesofcomputers?AdvantagesDisadvantagesWecanusethecomputerto…….

listentomusicWatchmoviessearchfor…communicatewith…doshopping

AdvantagesWecanusethecompuersto…1.study2.communication3.goshopping4surfthewebforfun

5.readnewsbothathomeandabroad,readbooksandmagazines

…

DisadvantagesPlaygamesalot.chattingonlinealotandmaybecheated(欺騙)bysomeonebebadforeyesandhealth…Conclusion:Thereisnodoubtthatcomputerhastwosides,too.Ifwemakegooduseofit,itwillmakeourlivesmorecolorfulandconvenient.Butdon’tloseyourselfinplayingcomputers.Justremember:Keepfit,studywellandworkhard.Homework