高中英语Book 2 Unite 3人教版新课标必修二2.ppt

unit3computers back wordsandexpressions warmingup thedevelopmentofcomputerp17lookatthepictures talkabouteachofthem discusswhattheyhaveincommon abacus calculator hugecomputer pc laptop pda robot abacus calculator hugecomputer pc laptop pda robot what sthemainideaofthispassage a thedevelopmentofcomputersb thedevelopmentanduseofcomputersc amachinewhichissimple mindedd computersmayreplacehumanbeing fast reading b thedevelopmentanduseofcomputers ibeganasacalculatingmachineinjapanin1642 in1936 igrewrapidlybothinsizeandinbrainpower astimewentby iwasmadebigger sincethe1970smanynewapplicationshavebeenfoundforme 2 trueorfalse f t f t further reading thecomputerbeganasacalculatingmachine 1936 thecomputerhadgrownaslargeasaroom 1960 computerswereusedinofficesandhomes thecomputergrewrapidlybothinsizeandinbrainpower computersconnectpeopleallovertheworldtogether fillintheblanks i the wasacalculatingmachinein1642in in1936 ibecamea machine to anymathematicalproblem sincethe1970sihavebeenusedfirstasa andthenasa inofficeand manychangedhavehappenedtomy somy totallychanged ihavebeenwidelyusedinmanyfields ihavealsobeenputintorobotsto themoonandmars computer france universal solve pc laptop homes size shape explore overtimeihavebeenchangedquitealot thesechangesonlybecomepossibleasmymemoryimproved sincethe1970smanynewapplicationshavebeenfoundforme calculatingmachineanalyticalmachineuniversalmachinepclaptop tubestransistorschipsnetworkworldwideweb communicationsfinancetraderobotsmobilephonesmedicaloperationsspacerocketsprovidingalifeofhighquality whenyoumeetsomeoneforthefirsttime doyouaskfortheirasl doyouloliftheycomeoutwithsomethingfunny andsaycul8erwhenyoufinishtheconversation ifyouknowwhati mtalkingabout thenyouareprobablyalreadyauserofinstantmessaging orim theideabehindimissimple aprograminyourcomputertellsyouwhenafriendisonline youcanthensendamessagetoyourfriend whocantypeareplyinstant todothis youneedanimprogram theadvantageovere mailisthatwithinstantmessagingyouknowyou relikelytogetareply imisalreadyhugelypopularintheusa wherepeoplespendfivetimesmoretimeonlinethanineurope however imisstartingtotakeoffintheuk withover3000peoplesigninguptomsnmessengereveryday enjoying anewwaytocommunicate whilethepluspointsofimareobvious thereisoneveryimportantdisadvantage youcanonlycontactsomeoneonthesamenetworkasyou ifyourfriendisusingaim andyouareusingmsn youcannottalktoeachother thismakesimlessusefulthanitshouldbe imaginewhatifyoucouldn tsendane mailfromhotmailtoyahoo however itseemsthatthingswillchangesoon ingeneral thefuturelooksbrightforim lotsofprogramsalsoallowyoutohavevoiceconversations videoconferences thismeansyoucanseetheotherpersonusingawebcam andyoucanexchangepictures musicandotherfiles so perhapswe llallsoonbeaskingsomeone sage sexandlocation asl andlaughingoutloud lol whentheysaysomethingfunny seeyoulater cul8er back learningaboutlanguage computers unit3 back step1 discussionandlead in q1 howdoyouoftenusecomputerwhenyougohome isometimesuseitto andineveruseitto playgames communicatewithothers surfinternet listentomusic watchmovies buythethingsilike eg booksandcds readnews learnenglish download ioftenuseacomputerto relatedinformationfrominternet 下载 step1 reviewandleadin manynewapplicationsofcomputer thecomputerhadgrownaslargeasaroombythe1940s thefirstfamilyofcomputerswasconnectedtoeachotherbynetwork untiltheearly1960s 1 q3 whenhavethenewapplicationsofcomputerbeenfound havebeenfound 1940s 1960s 1970s now overtime thecomputerquitealot ab hasbeenchanged haschanged whatdotheyhaveincommon 与 有共同点 sincethe1970s canyoupickoutmorethantwosentenceswiththesametenseandvoicefromthereadingpassage homework q4 howhascomputerbeenchangedovertime calculatingmachine analyticalmachine universialmachine pc personalcomputer laptop robot step2 reviewandlanguagepoints manynewofcomputerhavebeenfound q1 howdoyouusecomputersandtheinternet application appearance it revolution abcd informationtechnology 外貌 革命 信息技术 应用 s q2 doyouknowotherapplicationsofcomputer computerhasbecomeimportantincommunication tradeand ithasbeenputinto ithasbeenused ithasevenbeenputintospacerocketsandsentto 金融 财经 逻辑地 mankind 人类 robot 机器人 andlooklike theactivityofmanagingmoney finance themachinewhichcanthinklogically humanrace notonlytomakephoneswhichcanbemoved easilyfromplacetoplace butalso tomakemobilephones aswellas helpwithmedicaloperations 移动电话 手机 以及 不但 而且 tofindthem themoonandmars 探索 pleasefindwordsandphrasessimilartotheunderlinedpartfrom para3 completechangeinwaysofthinking workingect ioftenuseacomputerto isometimesuseitto andineveruseitto travelaround itsaimistoprovidehumanswithalifeofhigh explore anyhow anyway 无论如何 step2 reviewandlanguagepoints finance activityofmanagingmoney 金融 robot amachinethatcanthinklogicallyandlookslikeamankind mobile canbemovedeasilyfromaplacetoplace 可移动的 explore travelaroundanareatofindoutaboutit 探索 aswellas notonly butalso 以及 不但 而且 他不但能讲英语而且还能讲日语 hecanspeakenglishaswellasjapanese 他以及他的父母都喜欢看电影 heaswellashisparentswatchingmovie like likes ab 总结 anyway anyhow 无论如何 step2 reviewandlanguagepoints manynewapplicationsofcomputerhavebeenfound sincethe1970s 自从 20世纪70年代 thecomputerhadgrownaslargeasaroombythe1940s thefirstfamilyofcomputerswasconnectedtoeachotherbynetwork 到20世纪40年代 电脑已经长的像屋子那么大了 直到20世纪60年代早期 家庭电脑才通过网络相互连接起来 untiltheearly1960s 1970年 connectedcomputersystem 网络 1 wecanourknowledgewithothersthroughworldwideweb share explore download compete abcd share with 与 分享 在学校里我和其他七位同学合住一个寝室 ishareadormitorywithothersevenclassmatesinschool q3 whenhavethenewapplicationsbeenfound no overtimemymemoryhasdevelopedsomuchthatineverforgetanythingihavebeentold heis goodastudent wealllikehim a such thatb so whoc such asd so that so adj adv that heis agoodstudent wealllikehim a such thatb so whoc such asd so that sothat suchthat step2 reviewandlanguagepoints hegotupearlythismorning hecouldcatchthefirstbusasoastobsohatcinordertodsoas such n 名词 that sothat 句子 如此 以致于 为了 sothat step2 reviewandlanguagepoints mystory overtimeihavebeenchangedquitealot icouldsimplifydifficultsums ittooknearly200years iwasbuiltbycharlesbabbge thenicouldthinklogically itwasconsideratechnologicalrevolutionandthestartofmy artificialintelligence whenibecameuniversalmachine icouldsolveanydifficultmathematicalproblem igrewrapidlybothinsizeandinbrainpower iwasmadesmallerbutmymemoryimprovedfirstitwasstoredintubesthenontransistorsand onverysmallchips itotallychangedmyshapeand igrewsmaller however mymemorydevelopedsomuchthatineverforgetanythingihavebeentold wheniwasyoung before atthattime fromthenon astimewentby asaresult later asigrewolder q5 canyoudescribethedevelopmentofthecomputerindetail atthattime overtime wheniwasyoung before fromthenon astimewentby later asaresult asigrewolder simplify logically technologicalrevolution artificialintelligence solve mathematical tubes sothat totally sums fromthenon igrewrapidlybothinsizeandinbrainpower astimewentby iwasmadesmaller asaresult itotallychangedmyshape hegotuplate asaresult hewaslatefortheclass theriverwaterwasseriouslypolluted manyfishdied a asaresultb afterallc thankstod ifonly a 从那时起 他就对ufo非常感兴趣 fromthenon hewasinterestedinufos step2 reviewandlanguagepoints from on 从 时起 fromthenon fromnowon 从那时起 从现在起 goby pass 逝去 过去 随着时间的流逝 hiscarelessness hedidn tpasstheexamaregardlessofbasaresultofcbecausedsince 1 2 3 4 5 6 7 8 9 10 completechangeinwaysofthinking working etc connectedcomputersystemtomakethingseasiertofindtheanswerusingnumberscanbemovedeasilyfromplacetoplacetoworkouttheanswertoaproblemtotravelaroundanareatofindoutaboutitcompletelyanywayactivityofmanagingmoney finance anyhow totally explore solve mobile calculate simplify revolution network step3 discoveringusefulwordsandexpressions 2completethepassagewiththewordsbelow mybrotherwasveryinterestedincomputersandenjoyedwritingprogramsofhisown heusedtodownloadinformationfromtheinternetandmadegooduseofit helikedto theworldwide andusedtheinternettocommunicatewithcomputerprogrammersallovertheworld whenhewenttouniversityhestudiedit information anddevelopedaspecialinterestin intelligence afterdevelopingspecial ofthecomputer hehopestodesignan robotwhichcanthink andlooklikeahumanbeing butin hehasalongwaytogo explore web technology artificial applications intelligent logically reality step3 discoveringusefulwordsandexpressions floppydiscchipsmonitormoderndvd romscannerkeyboardprinter answerkeyforexercise1onpage56 personally electronic types download logically arise possibility virus appearance answerkeyforexercise2onpage56 benlovesfootballandhisgreatesthappinessiswheneverhescoresagoal withthehelpofacomputer youwillnotfindithardtodealwithandshareinformation jackfailedhisexamslasttermandfromthenonhisparentsstoppedhimplayingcomputergames idon tliketowatchovermynaughtynieceeveryweekend butmymotherinsiststhatido answerkeyforexercise3onpage56 wheniwasyoung ididn tliketohelpmymotherwiththecooking butinawayithasbeenusefulasiamnowabletomakedeliciousfood acoachwhocantrainworldclassathleteswillbeuniversallypopular thesignaltotherocketgoingintospacewentwrong andasaresultitexplodedandfellintothesea grammar groupa1 wehavefinishedourhomework 2 manyvisitorshavevisitedthegreatwall 3 mikehasseentwofilmssincelastmonth 4 therussiangovernmenthasturnedthesepalacesintomuseums groupb1 ourhomeworkhasbeenfinishedbyus 2 thegreatwallhasbeenvisitedbymanyvisitors 3 twofilmshavebeenseenbymikesincelastmonth 4 thesepalacehavebeenturnedintomuseums 分析 a组强调动作的执行者 是主动语态 相同点 两组都是完成时态 结构 have has 过去分词b组的句子强调动作的承受者 是被动语态 相同点 两组都是完成时态结构 have hasbeen 过去分词 现在完成时的被动语态have hasbeendone 1 thenewbridgeovertheyellowriverhasjustbeencompleted 2 manybuildingshavebeenbuiltinthepasttenyears 表示到现在为止已经完成的某个被动的动作 1 被动语态介词固定搭配不能省略 hehasthoughtofawayofsolvingtheproblem e g theaccidentwhichhappenedyesterdaysurprisedme awayofsolvingtheproblemhasbeenthoughtof 2 breakout happen takeplace arrive become die disappearetc不及物动词没有被动语态 3 带双宾语的动词give send bring take teach show tell make sing write sell buy ask pay borrow lend hand offer provide past get promise变被动语态有两种方法 2 thebookhasbeengiventohim 1 hehasbeengiventhebook eg ihavegivenhimthebook 2 wehavebeenofferedthemostcomfortableservicebyhim hehasofferedusthemostcomfortableservice 1 themostcomfortableservicehasbeenofferedtousbyhim morepatients inhospitalthisyearthanlastyear treatedb hadtreatedc hadbeentreatedd havebeentreated2 themayorofbeijingsaysthatallconstructionworkforthebeijingolympics by2006 hasbeencompletedb hascompletedc willhavebeencompletedd willhavecompleted d 高考链接 c 3 thewindowisdirty iknow it forweeks a hasn tcleanedb didn tcleanc wasn tcleanedd hasn tbeencleaned4 georgeandlucygotmarried didyougototheirwedding no i didtheyhaveabigwedding wasnotinvitedb havenotbeeninvitedc hadn tbeeninvitedd didn tinvite d a firstasapc personalcomputer andthenasalaptop ihavebeenusedinofficesandhomessincethe1970s overtimemymemoryhasdevelopedsomuchthat likeanelephant ineverforgetanythingihavebeentold sincethe1970smanynewapplicationshavebeenfoundforme ihavealsobeenputintorobotsandusedtomakemobilephonesaswellashelpwithmedicaloperations ihaveevenbeenputintospacerocketsandsenttoexplorethemoonandmars answerkeyforexercise1onpage21 anewpersonalcomputerhasbeenboughtbymyfriend mycomputerhasbeenrepairedbytheshopveryquickly mycomputerhasjustbeenattackedbyanunknownvirus theproblemhasnotbeensolvedbyusyet thecomputershavebeengivenawaytoalocalschoolbythecompany akindofintelligentrobothasbeendevelopedbythescientists answerkeyforexercise2onpage21 answerkeyforexercise3onpage21 thewaytheflowershavebeenplantedthewaythegrasshasbeencutthewaythepathshavebeenswept thewayyourfacehasbeenwashedthewayyourhairhasbeencombedthewayyourshoeshavebeencleaned lookatthewaythetablehasbeentoldlookatthewaytheglasseshavebeenplacedlookatthewaythefoodhasbeencookedyou dbetterdothemagain lookatthewayyourbedhasbeenmadelookatthewayyourcarpethasbeensweptlookatthewayyourshoeshavebeentidiedihopethatyou llcomehereagain answerkeyforexercise1onpage57 havebeengiven hasbeenmade hasbeenprovided havebeentaught hasbeentaken hasbeensetup hasbeencompleted thedatesofeachcoursehavebeenprintedinthenewspaperbytheteachers moreinformationhasbeengivenonitswebsitebythegovernment thecomputersciencedepartmentoftheuniversityhasbeenchosentoorganizethetrainingcoursebythegovernment ithasbeensuggestedbytheuniversitythattheyteachthecoursewiththenewcomputersciencetextbook wehavebeenpromisedbythecomputerdepartmentthatwewillbeabletousealaptopeveryday answerkeyforexercise2onpage57 theprizesthisyearhavebeenawardedtofourstudentsfortheiroutstandingwork ithasbeendecidedthattheprizeforhardworkinsciencewillbepresentedtowangxiaoding wuleihasbeengiventheprizeforgettingthehighestscoresinthetestsallyear herhardworkdeservesthisprize lilihasbeengiventheprizeforherexcellentworkinenglish amongotherthingsshewroteandputonaplayfortheotherclassesintheschool itwashighlypraised answerkeyforexercise3onpage57 zhanghongwillreceivetheprizeasthebestbehavedstudentintheclass herexcellentbehaviourhasbeennoticedmanytimes wearegladtoannouncethatshehasbeengivenaplacetostudymathsatpekinguniversity thelocalleadersofourareahavebeensoimpressedwiththeworkofthesefourstudentsthattheyhaveofferedeachofthemasholarshipoffivethousandyuantohelpthemwiththeirstudies thankyou step4 homework 1finishexercise2onpage20 2findthesentencesinthepresentperfectpassivevoicefromthereadingpassage 现在完成时态被动语态 back unit3usinglanguage listeningandspeaking back listeningandspeaking page22 twostudentsaretalkingaboutinformationtechnology books radioandtv books tv computers youcanfindinformation itisnotalwaysaccurate youcanbothlistenandwatch youcannotwritetofriends youcangetinformation sometimesitisoutofdate youcanlistentoenglish youcannotwatchafilm partad hi laura it sgoodtoseeyoubecausei msobored myhomeworkisaboutinformationtechnologybutiknoweverythingthereistoknowaboutit l comeoffit dave ithinkimightknowmorethanyou d ok letmetestyou here sthefirstquestion what sinformationtechnology l gosh that seasy it scomputers ofcourse d ah that sjustwhereyou rewrong itincludesbooks radioandtvaswell script l really well inever d questionnumber2 whichisthemostpopularformofitintheworld l well thatmustbecomputersthistime d no it sbooks thinkofallthosepeopleindevelopingcountrieswithoutcomputers theironlyformofitisbooks l ohdear i mnotdoingverywell partbd here sthethirdquestion whichformofitisthebestfordescribingtheskillsofasportl itmustbetheradio d actually it snot thebestdescriptionsareonthetvbecauseyoucannotonlyhearthetechnicallanguage butalsoseehowithappens l goodness wrongagain d here sthelastquestion whichformofithasthemostfunctions l thistimeimustberight it sthecomputer ofcourse d yes youcanwatchafilm replayamatch communicatewithfriendsthroughtheinternet getinformationandfindoutwhat sgoingonintheworld l ohdear threequestionswrongoutoffour perhapsidon tknowasmuchaboutitasthoughidid picture1 no3picture3 no2picture4 no1 answerkeyforexercise2onpage55 listening page55 answerkeyforexercise2onpage55 35onhigh 10onhigh 2mtail hasfivearmstoholdallthetools likearealbird large candoalltheworkaroundthehouse canjumpandsing canplayguitarandsing only5 000yuan 500 robotadvertisementsladiesandgentlemen whynotbuyapersonalrobotthatcandoalltheworkaroundthehouse itisonly35cmhighandfitseasilyintoasmallcupboard ithasfivearmstoholdallthetoolsandisveryeasytouse itworksonitsownuntilallthejobsarefinished youtypeyourordersintothecomputerkeyboardandtherobotwilldotherest only5 000yuanforthelatestmodel script hereisapersonalpetthatdoesnotneedfeedingorcleaning thisbird likerobotsingsbeautifulandisonly10cmhigh itcanjumparoundthecagejustlikearealbird youcanchooseanycolouryoulikeandanyrepairinthefirstyearwillbefree only500yuan whynotchooseonetoday iamalarge hard workingandroid ifeellonelyandwouldliketomeetanotherrobotforfriendshipafterwork iam2mtall ilikeplayingmyguitarandsinging howevermyfamilysayiamtoonoisy soifyouwouldlikeakind heartedandroidtosingkaraokewith iamyourmate pleasecallmeonmyprogramatrob 1234 answerkeyforexercise2onpage58 theprogrammer theycannotlaugh taste smelloreatfood theycanwork talkandplayfootball theycanfeelbusyandtiredandtheyhavewishes listeningtask theyshouldhavetheirowntime theyshouldbeabletochangetheirjobs theyshouldbeabletodecidetheirownfuture theyshouldbeabletotaste smell feel etc answerkeyforexercise3onpage58 twoandroidstheirlikesanddislikesb hey sally howareyoutoday s oh brenda i vebeensobusyandtiredthisweeklookingafterthechildren iwishmyprogrammerwouldletmeworkinafactorylikeyou b no youwouldn t it ssoboring wearen tallowedtotalkwhilewework s butatleastyoudon thavefivechildrentorunaftereveryday they resonaughty script b butatleasteverydayisdifferent idothesamethingforeighthourseveryday isometimesfeelasimyarmisgoingtobreak s oh brenda youmakemelaugh youshouldlikearealperson comeon it salovelyday lookatthoseflowers theylooksopretty b iseepeopleputthemuptotheirnoses why sthat s theysaythatthey veawonderfulsmell butidon tknowwhatthatmeans b well don tcryagain itmadeyourchipsgofunnylasttime justunderstandthatwe llneverbeabletolaugh tease smelloreatfood butdon tfeelsad it salovelyday s yes theweatherisniceandi vebeeninvitedtojointheotherandroidsforagameoffootball wouldyouliketocome b yes iwould runningafteraballisbetterthanrunningafterfivechildren let sgo back unit3usinglanguage reading speakingandwriting back step1 pre reading 1thedevelopmentof chip hasbroughtmanyapplicationsofcomputertechnology theyhavebeenputinto andsenttoexplorethemoonandmars theyhavebeenusedtomake whichcanbemovedeasilyfromplacetoplace spacerockets mobilephone q1 whathavetheyevenbeenputinto 2lookatthepictureandthetitleandanswerthefollowingquestions q2 whatcanyouseeinthispicture whataretheydoing theyhaveevenbeenputinto robotsorandroids 机器人 step2 reading 1readthepassagequicklyandanswerfollowingquestions q1 whoistalkinginthepassage q2 isandyarealperson q3 whatdoesandylooklike q4 what sandy sjobinthefootballteam q5 whichcompetitionhasandybeento q6 didandy steamwintheseattlecompetition whathappened q7 whohelpsandymoveinthefootballcompetitions andyistalkinginthepassagewhoistheandriod itlook