北師大版選修模塊720New Frontiers公開課

Unit3Computers計算機素材一、語言積累（一）交際用語1．做出決定（makingdecisions）Ithink/don’tthinkthat…我認為/不認為……I’vedecidedthat…我已經(jīng)決定Let’smakeadecision．我們做個決定Ibelievethat…我相信……Let’sdecide…讓我們決定……2．說明理由（Reasoning）Theadvantage/disadvantageis…有利的/不利的……Iagree/don’tagree…because…我同意/不同意…因為……Givemeyourreasons．給我你的理由First…Second…首先……其次……Whatmakesyouthinkso?為什么這么想？Ithink…because(of)…我認為……因為……As/Since…,Ithink…因為……我認為……范例：（1）―Ithinkthereareseveraladvantagesincitylife．―Yes,Ibelievethat’swhymostpeopleliketoliveinthecity．―我認為城市生活有很多有利的地方。―是的，我相信這就是為什么許多人愿意來大城市生活的原因。（2）―Ithinkwecanworktogethertocreateanevenbettersystem．―agreewithyou,becauseunityispower．―我想我們一起能夠創(chuàng)造一個更好的系統(tǒng)。―我同意你的觀點，因為團結(jié)就是力量。（3）―Donotyouthinktheyareflirtingwitheachother?―whatmakesyouthinkso?―你不認為他們互相在打情罵俏嗎？―你為什么這樣想？（4）―OnemajordisadvantageofsellingexpertiseoranothercompetitiveadvantageisthatthecompanycreatespotentialfuturecompetitorsWhenitgivesawayitsuniqueadvantage．―Iagreebecauseanythinghasitsviceresult．―銷售專門知識或其它競爭性優(yōu)勢技術(shù)的最大缺點之一是，當其出售了唯一優(yōu)勢技術(shù)后，它也為自己樹立了潛在的未來競爭者。―我同意你的觀點，什么事兒都有它的負面影響。（5）―Howdoyoulikethestory?Givemeyourreasons,please．―First,itisveryinterestingandsecondIliketheplot．―喜歡這個故事嗎?說說理由。―首先這個故事非常有趣兒，其次我喜歡里面的情節(jié)。（二）話題詞句Developmentofthecomputer1642:Thecomputerbeganasacalculatingmachine．1822:TheanalyticalmachinewasmadebyCharlesBabbage．1936:Thecomputergrewrapidlybothinsizeandbrainpower．1940s:Thecomputerhadgrownaslargeasaroom．1960s:Thefirstfamilyofcomputerswasconnectedtoeachother．1970s:Computerswereusedinofficesandhomes．Now:Computersconnectpeopleallovertheworldtogether．ThenewestandsmartestdevelopmentofthecomputerArtificialIntelligence(AI)ArtificialIntelligence(AI)isthestudyofhowtomakecomputersdointelligentthingsthatpeoplecando,suchasthinkandmakedecisions．1．Doyouknowanyotherartificialintelligencefigure?Whatdotheydo?Howdoyoulikethem?2．Whatworkdoyouexpecttheartificialintelligencefiguredoifyouaretheinventor?3．Whatisthefinalfateofartificialintelligencefigureagainsthumanbeings?Willtheformerreplacethelatter?MoviesaboutArtificialIntelligenceIntheyear2035atechno-phobic（恐懼癥的）copinvestigatesacrimethatmayhavebeenperpetrated(犯罪)byarobot,whichleadstoalargerthreattohumanity．

MoviesaboutArtificialIntelligenceThreeLawsArobotmaynotinjureahumanbeing,orthroughinaction,allowahumanbeingtocometoharm．ArobotmustobeytheordersgivenitbyhumanbeingsexceptwheresuchorderswouldconflictwiththeFirstLaw．ArobotmustprotectitsownexistenceaslongassuchprotectiondoesnotconflictwiththeFirstorSecondLaw．Inthenot-so-farfuturethepolaricecapshavemeltedandtheresultingraiseoftheoceanwatershasdrownedallthecoastalcitiesoftheworld．Withdrawntotheinteriorofthecontinents,thehumanracekeepsadvancing,reachingtothepointofcreatingrealisticrobots(calledmechas)toservehim．Oneofthemecha-producingcompaniesbuildsDavid,anartificialkidwhichisthefirsttohaverealfeelings,especiallyanever-endingloveforhis“mother”,Monica．Monicaisthewomanwhoadoptedhimasasubstitute(替代)forherrealson,strickenbyanincurabledisease．DavidislivinghappilywithMonicaandherhusband,butwhentheirrealsonreturnshomeafteracureisdiscovered,hislifechangesdramatically．Thecareerofadisillusioned(理想破滅的)producer,whoisdesperateforahit,isendangeredwhenhisstarwalksoffthefilmset．Forcedtothinkfast,theproducerdecidestodigitally（電子的）createanactress“Simone”tosub（替代）forthestar--thefirsttotallybelievablesynthetic（合成的）actress．The“actress”becomesanovernightsensation（轟動）,withamajorsingingcareeraswell,andeveryonethinksshe’sarealperson．However,asSimone’sfameskyrockets（迅速上升）,hecannotbeartoadmithisfraud（欺騙）tohimselfortheworld．（三）拓展閱讀機器人是否完全替代人類？

Withthedevelopmentofscience,moreandmorepeopleareconfusedthatwhetheritisgoodorbadtomakerobot．Arerobotsgoingtotakeplaceofhumanbeings?

Everycoinhastwosides．Robotcanbegoodtooursocietyandlife．Atthesametime,italsohavesomebadeffectonourlife．Inmyopinion,theadvantagesofrobotaremuchmorethanthedisadvantageofrobots．

First,robotsmakeourlifemoreconvenient．Wecandomanythingthatwedidn’thavetheabilitytodointhepastbyusingrobots．Thatmakesourlifemoreeffective．

Second,robotscanbeusedinindustryproduce．Factoriescanreducethecostofproductionbyusingrobots．Robotsdonotneedtoeatandtheywillnotbeill．That’sverygoodforproducinggoods．

Third,robotscansavemorepeoplewhendisasterhappens．Becausetheycan’tfeelpainandtheycansavemorepeoplewithoutfeelingtired．

Inaword,theworldischanging．Weshouldalsochangeourthoughttoacceptrobotstobecomepartofourlife．Thatcanmakeourlifemorecolorful．二、寫作運用（應(yīng)用文）（一）單元寫作指導(dǎo)如何描寫理想中的機器人（Imaginativewriting:describinganandroid）[寫作指導(dǎo)]描寫理想中的機器人屬于開放性作文，需要運用想象力對自己心目中的機器人的形態(tài)、構(gòu)造、種類、功能等進行大膽的設(shè)想，并進行科學(xué)的描述。1．這類寫作沒有固定的結(jié)構(gòu)或格式，給作者留出充分的想象空間來描述想象中的機器人。2．這類文章的時態(tài)常用一般現(xiàn)在時，語態(tài)常用被動語態(tài)，可用虛擬語氣。3．要靈活地采用不同的說明方法。從不同的角度對機器人給我們的生活帶來的好處進行描述。為避免單純描寫帶來的枯燥性，可以適當運用修辭方法，例如，擬人法，使文章顯得有靈氣。常用表達方式：Myidealrobotinthefuturewillbelike…and…orperhapsitwillhelpme…Robotscandosomedangerouswork．Shedoesn’tneedholidays,foodorrestandshewillworkalmost24hoursaday．Sheisverypatientandnevercomplains…RobotcanbewithmewheneverIfeellonely．Howwonderfulitwillbethatrobotscanhelpuscareforchildren!（二）[實戰(zhàn)演練]你們班進行了一次關(guān)于未來機器人的討