选修 Uni Global Warming全单元ppt课件.ppt

Unit3GlobalWarming 1 Whatisenergy Whatdoweuseitfor heat light power etc 2 Wheredoestheenergycomefrom Sourcesofenergy Renewable Non Renewable 3 Energyisnecessaryinourlife Sourcesofenergyareendless sowedon thavetoworryaboutit Thereisnotroublecausedwhenweproduceenergyfromthesources Wecanswitchtoothersourcesofenergyifoneisrunout Doyouagree 4 Whatisgreenhouse Whatdoesitdo Whereelsedowesee greenhouse effect 5 THEEARTHISBECOMINGWARMER BUTDOESITMATTER INTRODUCTION Author Magazine Problemdiscussed Whatquestionswilltheauthorexplores SophieArmstrong EarthCare Globalwarming Howhasitcomeabout Doesitmatter Para1 4 Para5 6 6 Part1 Howhasitcomeabout Para1Para2Para3Para4 Howhasthetemperatureincreased Whohasdoneit HowhastheCo2developed Whathascausedit thetopicsofeachparagraph Whohasdoneit Whathascausedit HowhastheC02developed Howhasthetemperatureincreased 7 Humans Burnfossilfuels energy greenhouse gases Trapheatfromthesun Theearthgetswarm Greenhouse Effect 8 TrueorFalse Greenhouseeffectdoesdamagetotheearthbywarmingitup Greenhouseeffectisduetohumanactivities Humansmakethegreenhouseeffectmoreseriousandthereforecauseglobalwarming F F T How 9 Whatresearcheshavebeendone Abouttheresearches Whataretheresultsofeachresearch Aretheyrelated How Whatthefuturetemperaturewillbelike CO CO2wentup Temperatureincreased Theyarepositively directlyrelated Itisuncertainyet 10 Part2 Doesitmatter Negativeeffects Predictor temperatureincrease maybeby degree Leadto A future Positiveeffects Predictor warming environmentalconsequence A future JaniceFoster 5 acatastrophe GeorgeHambley mild Withfewbad Positive better great Negative worse 11 Thinkingafterreading Whichideadoyoubelieveaboutglobalwarminganditseffects Why Isthereanythingwecandoaboutglobalwarming Ifthewarmingseemshardtoslowdownnomatterwhatwedo willyoukeeponsavingenergyorreduceCO2 12 Filmsrecommended 难以忽视的真相 愚蠢年代 全球变暖大骗局 13 Usefullanguagepoints Usefulphrases Consumeenergy ComeaboutExplorethequestionsArandomphenomenonMakeaccuratemeasurementof Resultin leadtoBeopposedto opposite opponent Evenif though Keepon carryon Ontheonehand Ontheotherhand Usefulwords Graph dataSubscribetoFossilFuelByproductsQuantity rangeTendtoTrendCatastropheConsequenceStateMild 反violent 14 Consume Marthawouldconsumenearlyapoundofcheeseperday Someofthemostefficientmicrowaveconsume70percentlesselectricitythantraditionalmodels Newinformationdevices likecomputer Ipadorsmartphone havechangedthewaypeopleconsumebooks 15 subscribe vi 持有或者同意 某种观点 I vepersonallyneversubscribedtotheviewthateithersexissuperiortotheother vi 订阅 书报杂志服务等 MyreasonforsubscribingtoNewScientististokeepstepwithadvancesinscience 翻译练习有很多杂志你可以订阅来提高阅读能力 Therearemanymagazinestowhichyoucansubscribetoimproveyourreadingability 16 fuel n 燃料 刺激因素Runningoutoffuel thecarbrokedown Herstressisalsoherfueltopushherforward v 得到燃料 供以燃料 加燃料Theystoppedatthepetrolstationtofuelup Winningtheprizefueledhisenthusiasmaboutphotography 同根词 refuel 17 Quantity Doctorsdoencourageaquantityofexercises buttheyalsoinsistonabalanceddiet Nowlargequantitiesofshoppingaremadethroughtheinternet Youcanbeofferedalowerpriceifyoubuytheirgoodsinquantity 18 tend Peoplesubscribetotheviewthatthefattendtoeatmore Mostpeopletendtobefriendswiththosewhoaresimilartothemselves Astowhetherglobalwarmingwouldleadtocatastrophe mostpeopletendto towardsthenegativeviewpoint Kidshaveanaturaltendencytobelievetheirparents 19 consequence Theconsequenceoflong termairpollutionisthatmorepeoplesufferfromlungcancer Parentsandadolescentstendstoholddifferentviews Consequently Asaconsequence theyoftenarguewitheachother Don tthinkyoucangetdrunkwithfewbadconsequences Thestormdieddown withtheconsequencethatawholecitylayinruins 20 state N areaorcountryN SituationorconditionV tospeakformallyLeadersofthestatesaremeetinginLouisville Theoldhouseisinariskystate Thepolicestatedthathewasarrestedforabusingpower 派生词statement 21 It用法 II 强调句 结构 Itis that who 作用 强调句子中某成分 主语 宾语 状语特点 对原句结构时态和意义不产生影响 Itishumanactivitiesthathaveledtoglobalwarming Itistheburningoffossilfuelsthathasresultedintheincreaseintemperature Humanactivitieshaveledtoglobalwarming Theburningoffossilfuelshasresultedintheincreaseintemperature 22 Itishowweconsumeenergythathastobeimproved Itistheheatfromthesunthatweneedtowarmup ItwasLindathat who whomIwastalkingtooverthephone ItwasbesidetheriverthatIlastsawheralone Itwasyesterdaynotlastweekthatwehadthemeeting Whydoyouforgetitsofast Itwasnotuntilyougrowupthatyouwillunderstandyouparents ItwaswhereyoutookthephotothatIhadtraveledlastyear 书后练习page29 23 强调句的疑问格式及回答 Wasityouthatcalledthepolice Isitthegreenhouseeffectthathasresultedinthetemperatureincrease WasitintheUSthatwemeteachotherforthefirsttime 24 Wherewasitthatyougotthewatch HowisitthattheGlobalwarmingcomesabout Whowasitthatyouweretalkingtooverthephone 句型转换练习 周报15 A3 A4 25 强调句和定语从句的区别 1 Itwasteno clockhecameback 2 Itwasatteno clockhecameback A thatB whenC soD which3 Itisautumnleavesfall 4 Itisinautumnleavesfall A thatB whenC soD which B A B A 26 翻译句子练习 因为你没关灯我们才浪费了许多电 二氧化碳的增加导致温室效应更严重 我们消耗能源的方式需要改善 燃烧化石燃料会释放大量的二氧化碳 环境往往影响着我们的健康 他持有我们应该减少能源浪费的观点 就是他反对全球变暖是个偶然现象这个观点吗 27 Itwasbecauseyoudidn tturnoffthelightthatwewastedmuchelectricity ItistheincreaseofCO2thathasresultedinamoreseriousgreenhouseeffect Itisthewayweconsumeenergythathastobeimpro