高中高一英语必修二unit3 computers warming up and reading who am i课件

,Unit3ComputersWarmingup,Heavy!Difficult!Hard!Tired!,keyboard,mouse,monitor,screen,speaker,hostcomputer,camera,DVD-ROM,CRTmonitor,LCDmonitor,CPU,harddisc,motherboard,somehardware:,modem,scanner,printer,speaker,floppydisc/disk,USBflashdisc,CD/VCD/DVD,MP3player,MP4player,Memory:(存储器),otherusefulwordsandexpressionsaboutcomputer:,Network网络Virus病毒Download下载Upload上传Program程序Website站点Hacker黑客,Homepage主页Password密码Desktop桌面Username用户名Click点击Software软件Hardware硬件,Homepage主页,WhatisPC?Speakthenameonthewhole.,Itmeans:personalcomputer.,2.WhatisIT?,InformationTechnology.,3.WhatisCD-ROM?,Compactdiscread-onlymemory.,4.WhatisPDA?,Personaldigitalassistant.,5.WhatisW.W.W?,Worldwideweb.,6.科学技术。,Scienceandtechnology.,7.人工智能。,Artificialintelligence.,8.笔记本电脑。,Notebookcomputer.,Whatdotheyhaveincommon?,anabacus,acalculator,adesktop,anotebookcomputeralaptop,(Whatdotheyhaveincommon?),1.Theycanbeusedforcalculating.2.Theycandealwithmathsproblems.3.Theyareourfriends.4.Theyareusefulandhelpful.,Discussion,workforusinMars,Whatsnext?,carrythings,workinwars,仿真机器人,entertainment娱乐,Whatdoyouthinkwillbethenextdevelopment?,Reading:WhoamI?,Skimming:Readandanswerthesequestions:,2.Whowasthefirstpersontoinventtheearliestcomputer?3.Whowasthenextimportantpersontodesigncomputers?,CharlesBabbage,AlanTuring,1.WhoamI?,Acomputer.,timeline,1642:1822:1936:1940s:1960s:1970s:Now:,Scanning:,Thecomputerbeganasacalculatingmachine.,theAnalyticalMachinewasbuiltbyCharlesBabbage.,Thecomputergrewrapidlybothinsizeandinbrainpower.,Computerhadgrownaslargeasaroom.,Computerswereusedinofficersandhomes.,Computersconnectpeopleallovertheworldtogether.,thefirstfamilyofcomputerswasconnectedtoeachother,Thehistoryofcomputers,thesecondgeneration(1956-1963),thethirdgeneration(1964-1971),thefourthgeneration(1971-),Thefirstgeneration(1945-1956),Thedevelopmentofcomputers:,Calculatingmachine,Analyticalmachine,Universalmachine,Artificialintelligence,Computer,Internet,计算器,分析机,万能机,通用机器,人工智能,Intensivereading:Underlinethephrasesandsentencesthatyouthinkareimportant,Starsentences:,P1L2I_instructionsfromcardswithholes.P15EarlierIwasnotverybig,butthenIbecame_.P1L6However,peoplethoughtIwas_untilthey_Ihad“artificialintelligence.”,我执行穿孔卡的指令,早些时候我并不是很大，但是后来我变得非常大,可是，人们认为我头脑简单，直到发现我有人工智能时，他们才不那么想了。,followed,huge,simple-minded,discovered,P1L8Astheyearshave_,Ihavebeenmadesmallerandsmaller.P2L1Therewere_whenmysizewas_changed.P2L3ButIwasalwayssolonely_therebymyself,untilintheearly1960s,theygavemeafamily_byanetwork.,随着岁月的流逝，我被做得越来越小了.,有段时期我的体积完全变了,但是我总是孤孤单单地站在那里，直到60年代初，人们才给了我一个用网络连接的家庭。,goneby,times,totally,standing,connected,Whataretheadvantagesanddisadvantagesofthecomputers?Inmyopinion,Icanusethecomputerto.,Discussion,Wecanusethecomputerto.,listentomusic,Watchmovies,searchfor,communicatewith,doshopping,AdvantagesWecanusethecompuersto1.useacomputerforschoolwork2.playgamesonthecomputer3.sendemailstofriends4.downloadmusicandfilms5.goshoppingonline6.useQQmunicatewithothers,8.usetheInternettosearchforinformation9.surfthewebforfun10.readnewsbothathomeandabroad,readbooksandmagazines,DisadvantagesSomestudentsmaygettooaddicted(沉溺于)toit.Somestudentswastetoomuchtimeinplayingcomputergames.Somestudentsspendtoomuchtimeinchattingwithothersandmaybecheated(欺骗)bysomeoneonline.Asaresult,theyhavelittletimetostudyItisbadforoureyesandhealthtospendlongtimeinfrontofcomputers.,Summaryaboutthetext.Thecomputer_acalculatingmachinein1642,thenin1822,itwasbuiltasan_by_.Attheyearof1936,AlanTuring_todescribehowcomputers_towork,andbuilda“universalmachine”tosolve_.Withthedevelopmentof_,beganas,AnalyticalMachine,CharlesBabbage,wroteabook,couldbemade,mathematicalproblem,informationtechnology,inthe1960s,computershadnew_andbecame_,thenwereconnectedtoeachotherby_.Astheyearshad_,computerswere_,peopleshomes.Nowcomputershavebecomethemostimportant_to_all