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1、Unit3Computerskeyboardmousemonitorscreenspeakerhostcomputer2Whatdotheyhaveincommon?AnabacusAcalculatorAdesktopAnotebookcomputer3digitalcameraalaptoppalmtop4Reading:WhoamI?5Listentothetapeandanswerthesequestions.2Whowasthefirstpersontoinventtheearliestcomputer?3Whowasthenextim
2、portantpersontodesigncomputers?CharlesBabbageAlanTuring1WhoamI?Acomputer.6timeline1642:Thecomputerbeganasacalculatingmachine.1822:theAnalyticalMachinewasbuiltbyCharlesBabbage.1936:AlanTuringwroteabooktodescribehowcomputercouldbemade.1960s:Computerhadnewtransistorsandbecamesma
3、ller.1970s:Computerswerebroughtintopeople’shomes.Now:Computersconnectpeopleallovertheworldtogether.Scanning7CalculatingmachineComputerInternetAnalyticalmachineArtificialintelligenceUniversalmachineThedevelopmentofcomputers:8UsefulphrasescalculatingmachineAnalyticalmachinecard
4、withholestechnologicalrevolutionuniversalmachineartificialintelligencegobybyinternethumanrace計(jì)算器分析機(jī)穿孔卡技術(shù)革命萬能機(jī),通用機(jī)器人工智能走過，過去通過網(wǎng)絡(luò)人類9Thedevelopmentofcomputers:CalculatingmachineAnalyticalmachineUniversalmachineArtificialintelligenceComputerInternet10Intensivereading:Underlinethe
5、phrases&sentencesthatyouthinkareimportant11StarsentencesP1L2Ifollowedinstructionsfromcardswithholes.P15EarlierIwasnotverybig,butthenIbecamehuge.P1L6However,peoplethoughtIwassimple-mindeduntiltheydiscoveredIhad“artificialintelligence.”我執(zhí)行穿孔卡的指令早些時(shí)候我并不是很大，但是后來我變得非常大可是，人們認(rèn)為我頭腦簡單
6、，直到發(fā)現(xiàn)我有人工智能時(shí)，他們才不那么想了。12P1L8Astheyearshavegoneby,Ihavebeenmadesmallerandsmaller.P2L1Thereweretimeswhenmysizewastotallychanged.P2L3ButIwasalwayssolonelystandingtherebymyself,untilintheearly1960s,theygavemeafamilyconnectedbyanetwork.隨著歲月的流逝，我被做得越來越小了有段時(shí)期我的體積完全變了但是我總是孤孤單單地站在那里，直
7、到60年代初，人們才給了我一個(gè)用網(wǎng)絡(luò)連接的家庭。13Summary:whathavewelearned?1.somewordsaboutcomputers.2thedevelopmentofcomputers3somescientistsrelatingtocomputers.14Advantagesanddisadvantagesofthecomputers.Discussion15advantageswecancommunicatewithfriendslistentothemusicseefilms&watchnewsplaygamesdo
8、shoppingsavealotoftimedoalotofusefulthingsDisadvantagesSomepeopleesp
