人教新课标必修二+Unit+3+Computers[综合课件下载].ppt

,Welcome,Unit3Computer,课时分配,Warmingup,ThedevelopmentofcomputerP17Lookatthepictures.Talkabouteachofthem.Discusswhattheyhaveincommon.,Anabacus,Acalculator,APC(=personalcomputer),Anotebookcomputer/laptop,Ahugecomputer,AnabacusisanoldcalculatingmachineusedinChinauntilnow.Ahugecomputerisbuilttosolvesomemathematicalproblems.Butitistoobig.Acalculatorisanewcalculatingmachinewhichcansolvealargenumberofmathematicalproblems.APCisapersonalcomputerwhichcansolveallkindsofproblemsandiswidelyusednow.Anotebookcomputerisakindofusefulcomputerwhichcanbetakenconvenientlylikeanotebook.,Youareaskedtousethefollowingexpressioninyourdiscussion.IthinkthatInmyopinionIbelievethatWhydoyouthinkso?Whatsyourreason?,Discussion,Ithinktheyallcancalculatesomething.Itcandealwithsomemathsproblem.,Ibelievethattheyareourgoodfriends.Inoureverydaylife.wecannotfinishourworkquicklywithoutthem.,Inmyopinion,peopleimproveabacus,makeitmoreusefulandmakeitacomputer.Theyarebeingusedwidelyandconvenientlyintheworld.,Softdisc(floppydisc),CD-ROM,printer,scanner,mp3,USB,SomeInformationaboutthecomputersandtheinternet,HardwareSoftwareHostOutputProgramsMemoryDrivesDesk-topcomputerBusinesscomputerDigitalmovie,硬件,软件,主机,输出,程序,内存储器,驱动器,台式计算机,商务计算机,数字影像,Chatrooms,netbar,chatbarOn-linefriendsBeon-line,ontheinternetDown-loadfilesSendandreceivee-mailWebfansInternetsitesE-mailboxElectronicmailLocalAreaNetworkLoginLogoutnetizen,网吧,网友,上网，在线,下载文件,收发邮件,网迷,网址,电子邮件,电子邮件箱,局域网,登陆,注销,网民,Floppydisc,chips,monitor,modem,CD-ROM,scanner,Key-board,printer,UsingwordsandexpressionsFillintheblankswiththeproperwordsinthebox,Completethesentenceswithsomeofthewordsinthebox.,Monitor,mouse,keyboard,harddisc,floppydisc,CD-ROM,printer,modem,A_isusedtoseeyourdataonacomputer.A_ordiskisthemaindevicethatacomputerusestostoreinformation.A_isamachineforprintingtextorpicturesontopaper,especiallyoneconnectedtothecomputer.A_isusedtoputdataintoacomputer.A_isoftenusedtoconnectcomputerstoeachotherthoughphonelines.Datacanalsobestoredina_,whichissmallandcanbecarriedeasily.A_isadiscthatcontainscomputerdata.Itcanstorealargeamountofdata.,monitor,harddisk,printer,keyboard,modem,floppydisc,CD-ROM,CompactDiskReadonlyMemory,Discussion,Whatcancomputerbeusedfor?IthinkthatInmyopinionIbelievethatWhatsyourreason?Whydoyouthinkso?,IusethecomputerorInternetto:,typemyhomeworkdrawpicturesplaygamescommunicatewithmyfriends.gatherrelatedinformationformylessonsbuythethingsIlike,egbooksandclothes.listentomusicwatchmovies.,Pre-reading,Whatdoyouknowaboutcomputer?Forexample,canyounamesomepartsofcomputer?2.Howhavecomputerschangedourlives?,mouse,keyboard,monitor,Listentothetapeandanswerthequestions.,1.WhoamI?,Whowasthefirstpersontomaketheearliestcomputer?A.AlanTuringB.CharlesBabbageC.CharlesTuring,3.Whenwasthe“universalmachine”built?A.In1822B.In1642C.1936,computer,(B),(c),Readthetextagainandfindout,thechangesofcomputer,Changesofthecomputer:,Calculatingmachine,Analyticalmachine,Universalmachine,Artificialintelligence,network,(In1642),(In1822),(in1936),(Inthe1960s),internet,(Inthe1970s),1.Wherewereyouin1642?,3Whatwereyoucalledin1936?,4Whatdidyougetinthe1960s?,Whathappenedtoyouinthe1970s?,2Whathappenedtoyouin1822?,1Wherewereyouin1642?2Whathappenedtoyouin1822?3Whatwereyoucalledin1936?4Whatdidyougetinthe1960s?5Whathappenedtoyouinthe1970s?,InFrance,IwasbuiltasanAnalyticalMachinebyCharlesBabbage.,Universalmachine.,Igotmynewtransistors.,Iwasbroughtintopeopleshomes.,Comprehending,1Whoisthespeakerinthisstory?2Writedownthreesentencesfromthestorytosupportyouridea.,Acomputer.,1Thenin1822IwasbuiltasanAnalyticalmachinebyCharlesBabbage.2MyrealfatherwasAlanTuring,3However,peoplethoughtIwassimple-mindeduntiltheydiscoveredIhad“artificalintelligence.”,Lookatthetimelinebelow.Fillintheblankswithin-formationfromthereadingabove.Timeline1642:_:TheAnalyticalMachinewasmadebyCharlesBabbage1936:_1960s:_:Thefirstfamilyofcomputerswasconnectedtoeachother1970s:_Now:_,Thecomputerbeganasacalculatingmachine,1822,AlanTuringwroteabooktodescribehow,1960s,computerscouldbemadetowork,Computershadnewtransistorsandbecamesmaller,Computerswerebroughtintopeopleshomes.,Computersconnectpeopleallovertheworldtogether,Accordingtothetimelineandtheoutlinetofinishthesummaryaboutthetext,Thecomputer.asacalculatingmachinein1642,thenin1822,itwasasanAnalyticalMachineby.Attheyearof1936,AlanTuringtodescribehowcomputers.towork,andbuilda“universalmachine“tosolve.Withthedevelopmentof.,inthe1960s,computershadnewtransistorsandbecame,thenwereconnectedtoeachotherbytheinternet.Astheyearshad,computerswere.peopleshomes.Nowcomputershavebecomethemostimportantto.allovertheworldtogether.,Thesummaryaboutthetext,Thecomputerbeganonlyasacalculatingmachinein1642,thenin1822,itwasbuiltasanAnalyticalMachinebyCharlesBabbage.Attheyearof1936,AlanTuringwroteabooktodescribehowcomputerscouldbemadetowork,andbuilda“universalmachine“tosolvemathematicalproblem.Withthedevelopmentofinformationtechnology,inthe1960s,computershadnewtransistorsandbecamesmallerandsmaller,thenwereconnectedtoeachotherbytheinternet.Astheyearshadgoneby,computerswerebroughtintopeopleshomes.Nowcomputershavebecomethemostimportanttoolstoconnectpeopleallovertheworldtogether.,Readthetextcarefully,findoutthedifficultpoints.,Homework,acalculatingmachine,in1642ananalyticalmachine,in1822auniversalmachine,in1936gotnewtransistors,in1960sconnected,network,intheearly1960sbroughtintopeopleshomes,in1970s,communicatewithbytheInternet,Iwasbornin_inFrance.In_,Iwasbuiltasan_,followinginstructionsfromcardswithholes.In_,myrealfather,AlanTuring,describedhowcomputerscouldbemadetoworkinabookandsolvedanymathematicproblemby_a_machine.Peopleweresurprisedatmyartificial_.Atfirst,Iwasthesizeofalargeroom.Astimeshasgoneby,Ihavebeenmadesmallerandsmaller.Inthe_,Igotnewtransistors.Mymemorybecame_and_,butIgot_and_,quickerandquicker.,1642,1822,AnalyticalMachine,1936,building,universal,intelligence,1960s,larger,larger,cleverer,cleverer,Icouldshareinformationwithothersandtalktoeachotherbyanet.Itwasinthe_thatmyfamilyandIhavebeenusedbybillionsofpeople.IamhappythatIhavetrulybeenbuilttoserve_sincemybirth.,1970s,humanerace,Langugepoints,monadj.普通的，常见的；共有的，共用的在英国Smith是个很普通的名字。SmithisacommonnameinEngland.他们对音乐都有着共同的强烈兴趣。Agreatinterestinmusicwascommontothem.incommon(with)(和)一样havesth.incommon(with)(与)有共同之处他们虽是兄弟，但毫无共同之处。Theyarebrothers,buttheyhavenothingincommon.和许多人一样，他喜欢古典音乐，而不喜欢流行音乐。,Incommonwithmanypeople,heprefersclassicalmusictopopmusic.Incommonwithmanyothergirls,Annelikesdancing.(1)Theyhavealot_andbecamegoodfriendsverysoon.A.incommonB.incaseC.insurpriseD.ininterest(2)Doesthisbookhave_(共同之处)withthatone?(3)Weare_(普通人),butwecandosomethingwell.(4)_(和多数英国人一样),heenjoysfootball.,A,anythingincommon,commonpeople,IncommonwithmostEnglishmen,(6)像许多年轻的夫妇一样,他们不喜欢跟父母住在一起._,theydonotliketolivewiththeirparents.(7)我们在业余爱好方面有许多共同之处We_eachotherinhobby.(8)这两次地震有什么共同点吗？Dothetwoearthquakes_?(9)这游泳池由附近的孩子们共同使用.Theswimmingpool_byallthechildrenintheneighbourhood.,Incommonwithmanyyoungcouples,havealotincommonwith,haveanythingin,isusedincommon,common,(10)_hegetsupat6:30.Buttodayhegotupearlierthan_.Commonly;usualB.Normally;usuallyC.Usually;usualD.Usually;common(11)AreMaryandSusan_namesforgirlsinEnglish-speakingcountries?usualB.commonC.ordinaryD.normal(12)Thetwinsistershave_witheachotherexceptthattheylookalike.alotincommonB.littleincommonC.nothingincommonD.nocommon,A,B,B,2.inonesopinion依来看在我们看来，秋天是北京最好的季节Inouropinion,autumnisthebestseasoninBeijing.Whatsyouropinionofthisquestion?inonesview=intheviewofsb.=inonesopinion=intheopinionofsb.据的见解,beofthesameopinion意见一致beofdifferentopinions意见不一致haveagoodopinionof.对评价高haveapooropinionof.对评价低(1)_thatthisonewillmeetourneed.A.InmyopinionB.IbelieveC.IthinkinmindD.Iseem(2)_(依我来看),thepriceisnotreasonable.,B,Inmyopinion,(3)Theyare_(意见不一致).(4)People_(对他评价很低).,ofdifferentopinions,haveapooropinionofhim,3.follow跟随；沿着；听懂；遵循；听从followonesinstructions执行(某人的)指令Followthisroad,andyoullgetthere.ImsorryIdontquitefollowyou.Youshouldfollowtherulesofthelabwhenyouaredoingexperiment.,沿着这条路走，你就会到那儿。,对不起，我不太明白你的意思。,你们做实验时，就应该遵守实验室的规则。,你先走，我随后就到。如果你听从我的劝告而努力学习，你考试就能及格。instructions意为“指示，命令”;“说明”时，常用复数形式。他指示我们尽快完成这项任务。Hegaveusinstructionstofinishthistaskassoonaspossible.,Yougofirst,thenIllfollowyou.,Ifyoufollowmyadviceandstudyhard,youwillpasstheexam.,瓶子上有说明。,Theinstructionsareonthebottle.,村民们仍然遵从他们祖先的习俗.Thevillagersstill_oftheirgrandfathers.他走进商店,他的妻子紧随其后.Hewalkedintotheshopfirstandhiswife_.顺着这条大街走,你就能走到那所学校._thisstreet_yougettotheschool.,followthecustoms,followed,Follow,until,他说得那么快,我都听不清了.Hespokesofast_.老师命令学生及早到达.Theteachergavethestudents_.服这药之前你要看看瓶上的说明.Readthe_onthebottle_you_themedicine.有时她指导滑冰.Shesometimes_inskating.,thatIcouldntfollowhim,instructionsto,arriveearly,instructions,before,take,givesinstruction,(8)Therewasaterriblenoise_thesuddenburstoflight.followedB.beingfollowedC.tobefollowedD.following(9)Youshouldtakethemedicineaccordingtothe_onthebottle.A.instructionsB.ordersC.advicesD.descriptions,D,A,(10)I_(接受了老师的建议)andpaymoreattentiontomyspokenEnglish.(11)Asasoldier,youmustlearn_(服从命令).(12)Youshouldgive_(清楚的说明)foreveryexercise.(13)I_(跟着他进了房子),tofolloworders,followtheteachersadvice,theclearinstructions,followedhimintothehouse,4.soundThemusicsoundssweet.音乐听起夹很Itsounds(like)agoodidea.这听起来是个好主意。Itsoundsasiftheycandonothingaboutit.听起来他们好像也没有办法。(1)Whathehassaid_.A.soundsinterestingB.soundsinterestedC.soundedlikeinterestingD.issoundedinteresting(2)Thesouptasted_.A.goodB.wellC.badlyD.terribly,A,A,(3)Thetask_(看起来很容易),butittookusaweek.(4)Cotton_(摸起来很软).,feelsverysoft,seemseasy,5.simple简单的；单纯的；朴素的请用简单的英语写一则故事。PleasewriteastoryinsimpleEnglish.他并不像看上去那样单纯。Heisnotassimpleashelooks.她过着朴素的生活。Shelivesasimplelife.,simple-minded:showingverylittleintelligence,汤姆很聪明，可是他有许多头脑简单的朋友.,Tomissmartbuthehasalotofsimple-mindedfriends.,Shewasntassimple-mindedaspeoplethought.,她不象人们想的那样头脑简单。,adj.-n-ed=adj.复合形容词,absent-mindedopen-mindednarrow-mindedsingle-mindedstrong-mindedweak-minded,心不在焉的虚心的，没有偏见的心胸狭窄的一心一意的意志坚强的低能的，愚蠢的,(1)Gibert_electricity,butEdison_lightbulb.A.discovered;foundB.discovered;inventedC.invented;discoveredD.uncovered;invented(2)_(别心不在焉);listentotheteachercarefully.(3)Try_(做一名心胸宽阔的人).Thatwilldoyoualotofgood.,B,Dontbeabsent-minded,tobeabroad-mindedperson,6.thought常用来表示“本来以为(认为)，后来证明与事实不符合的行为。Ihadthoughtheknewthetimeofthemeeting.我本来以为这部电影很有趣，可实际上很无聊。她本来以为父亲会很高兴，但并没有。,Ihadthoughtthisfilmwasveryinteresting.,Shehadthoughtherfatherwouldbeveryhappy.,7.intelligencen智力；聪明intelligentadj有智力的；聪明的；理解力强的Heisapersonofgreatintelligence.他是个极聪明的人。海豚是有智力的动物。Adolphinisanintelligentanimal.,8.anyway=anyhowadv.无论怎样,无论如何Ishallgoandseehimanyway.Imgoingtodoitanyway.AnywayImustfinishtheworktoday.,9.bethesizeof有大Thehouseishalfthesizeofthatone.,10.asconj.随着，引导时间状语从句。Astimewenton,Einsteinstheoryprovedtobecorrect.随着时间的推移，爱因斯坦的理论证明是正确的。表示“随着”时，也可以用with，但with是介词，后面一般不接句子。Withthepassingoftheyears,theyhavebecomeclosefriends.几年过去了，他们已成了亲密朋友。,11.goby经过(某地)；(时间)过去；(机会等)失去；遵循，依据办事goby=pass一辆汽车全速驶过。Acarwentbyatfullspeed.一星期一星期慢慢地过去了。Theweekswentslowlyby.不要错失这次机会。Dontletthischancegoby.那是需要遵守的好规章。Thatisagoodruletogoby.,7.Astheyearshavegoneby,_随着,(1)Astimewenton/aswegrowolder,(2)goby=pass,Timewentbyslowly.,(3)Mypenisgone.(nolongerliving;dead),Gonewiththewind(影片名),(1)Astime_,shebecamemoreandmoreanxiousabouthersonssafety.A.passingB.goingbyC.passedD.goesby(2)Withthetime_,ouranxietygrew.A.goesbyB.goingbyC.hasgonebyD.hadgoneby(3)Threemonths_beforeweknewit.A.passedbyB.wentC.wentbyD.past(4)Asthewealthofthecountryincreases,moreandmorewastewillbeproduced._thewealthofthecountrys_,moreandmorewastewillbeproduced.,D,B,C,With,development,(5)Ataxi_(刚刚过去)。Youllhavetowaitafewmoreminutes.,hasjustgoneby,(6)Thingswillgeteasierastimegoesby.(7)Theweekswentbyslowly.(8)HewasinwhenIwentbyyesterday.,12.Thereare/weretimeswhen有段时期；有时常会Therewasatimewhen.曾经一度;有一段时间TherearetimeswhenIdontknowwhattodo.Therewasatimewhenthestarwaspopularwiththeyoungpeople.曾经有段时间这个明星很受年轻人欢迎。,atonetime过去曾经，一度”，用于一般过去时态atatime“一次，每次”或“在某个时候”attimes“有时，不时”，相当于fromtimetotime或sometimesatonetime,atatime,attimes(1)Taketwopills_.(2)_womenwerelookeddownupon.(3)Hereceiveslettersfromhisparents_.(4)_theyweregoodfriends.,atatime,Atonetime,attimes,Atonetime,13.totallyadv.=completely14.so+形容词(副词)+that.such+名词+that.(1)sothat引导结果状语从句，其结构是：so+adjadv.+that-c1auseso+adj+a(n)+单数可数名词+that-clauseso+manyfew+可数名词复数+that-clauseso+muchlittle+不可数名词+that-clause(2)suchthat也可引导结果状语从句，其结构是：such-+a(n)+adj+单数可数名词+that-clausesuch+(adj.)+不可数名词+that-clausesuch+(adj.)+可数名词复数+that-clause,Thestoneissoheavythatnoonecanliftit.Weleftearlysothatwecouldcatchthefirsttrain.,Hewassoexcitedthathecouldnotspeak.,HeransofastthatIcouldntcatchupwithhim.,sothat-因此,结果,Hegotuplate,sothathedidntgettoworkontime.,so+形容词(副词)+that.结构中so+形容词(副词)在句首时,句子用倒装结构Heworkssohardthatheseldomgoeshome.,Soharddoesheworkthatheseldomgoeshome.,(1)Thereis_muchworktodoandhewas_worriedaboutfinishingitintimethathewasquitenervousalldaylong.A.so;soB.such;suchC.so;suchD.such;so(2)Itwas_thatwewentcampinginthemountains.A.suchniceweatherB.suchaniceweatherC.soniceaweatherD.tooniceweather(3)Shehas_sheremembersallthenamesofthestudentsshehastaught.A.sogoodmemoryB.goodmemoryC.suchagoodmemorythatD.suchgoodmemorythat,A,A,C,(4)Solarge_thatIcouldntbelieveit.A.didmymemorybecomeB.mymemorybecameC.mymemorydidbecomeD.becamemymemory(5)Thisissuchaninterestingfilmthatweallwanttoseeit.Thisfilm_thatweallwanttoseeit.,A,issointeresting,15.dealwith处理，对付；和打交道，对待；论述，涉及How-dealwith/What-dowithHowshallwedealwiththeproblem?Suchpeoplearedifficulttodealwith.Dealwithamanashedealswithyou.Wehavedealtwiththecompanyfor10years.Thisbookdealswithproblemsofpollution.,我们将如何处理这个问题呢?,这种人不好对付。,以其人之道，还治其人之身。,我们同那家公司打了十年的交道了。,这本书论述污染问题。,dealwith1)处理,解决,安排2)对待,对付,宾语是人3)谈论，涉及,wemustdealwiththisproblemassoonaspossible.,Dealwithamanashedealswithyou,Thebookdealswiththequestionsofmaths.,(1)Howareyougoingto_suchproblems?A.dowithB.dealwithC.dealD.doup(2)_pollutionisaseriousproblemtothehumanrace.A.WhattodealwithB.HowtodowithC.WhattodowithD.Whattodo(3)Ihave_(很多信件要处理).(4)Itisverydifficult_(对付那些吵闹的孩子).(5)Thisbook_(论述古希腊).(6)Teachersshould_(公平对待所有的学生).,B,C,alotofletterstodealwith,todealwiththosenoisychildren,dealswithAncientGreece,dealfairlywithallofthestudents,16.serve服务;服役我们应该全心全意地为人民服务。Weshouldservethepeopleheartandsoul.Therewasnooneintheshoptoservehim.店里没人接待他。现在午饭准备好了。Lunchisservednow.他在部队服役五年。Heservedinthearmyforfiveyears.,(1)Theshopassistant_(在接待)acustomer.(2)Besure_(上)coffeehot.(3)He_(在部队服役)since1979.,hasservedinanarmy,toserve,isserving,17.atbirth/bybirth/of.birth/givebirthtoatbirth在出生时bybirth在血统上；生来of.birth的出身givebirthto生产；生下(1)Thebabyweighed7pounds_.(2)HeisBritish_thoughhewasborninFrance.(3)Thedog_acoupleoflovelylittledogs.(4)Sheis_good_.(5)Hersister_twinslastnight.,atbirth,bybirth,gavebirthto,of,birth,gavebirthto,Difficultsentences,Thenin1822IwasbuiltasanAnalyticalMachinebyCharlesBabbage.,2.Ifollowedinstructionsfromcardswithholes.,3.MyrealfatherwasAlanTuring,whoin1936wroteabooktodescribehowcomputerscouldbemadetowork,blem.,4.Astheyearshavegoneby,Ihavebeenmadesmallerandsmaller.,5.NoonecouldrecognizemeafterIgotmynewtransistorsinthe1960s.,6.Ilovebeingusedtoconnectpeoplewhoarentcloseenoughtospeaktoeachother.,Thereweretimeswhen有一段时间,followanorderfollowonesadvicefollowacustomfollowsb.sexample,服从命令听从劝告遵循一种习俗向某人学习,eg:Asasoldier,youmustlearntofolloworders.,Heiswillingtofollowothersadvice.,Vocabulary,Snowis_(常见的)incoldcountries.Canyou_(估计)thecostofthisjourney?The_(分析)ofthesamplesonthemurderspotshowedsomevaluablecluestothepolice.Ishallgoandseehim_(无论如何)。Hessomekindof_（数学）genius.Heistoos_toworkoutsuchadifficultproblem.Heaskedhisfatherso_abouthisplans.Howareyougoingtod_withtheletter?,common,calculate,analysis,anyway,mathematical,imple-minded,pinion,eal,It_agreetoyourplan.Thisisat_beautifulpicture.Thewealthofsocietyis_(创造)bythelaboringpeople.Thechildren_(漫步)inthewoodsthatday.Please_(编程序)thecomputertodothejob.Ourfootball_(教练)trainstheteam._(就我个人而言),Ithinkheisdishonest,butmanypeopletrusthim.,otally,ruly,created,wandered,program,coach,Personally,Phrase,Trytoreadthewordsandphrases,Calculatingmachine计算机器AnalyticalMachine分析机Universalmachine通用计算器Artificialintelligence人工智能Technologicalrevolution技术革命Mathematicalproblem数学问题Transistor晶体管,听起来简单技术革命人工智能作为开始解决问题一个头脑简单的人数学问题被完全改变了与信息共享为人类服务,1)soundsimple2)atechnologicalrevolution3)artificialintelligence4)beginas5)solveaproblem6)asimple-mindedman7)mathematical