人教版 选修六 Unit 4 Global warmingreading课件（共45张PPT）.ppt

module6unit4warming upandreading isenergyimportanttous why whatdoweuseenergyfor stove light thingsthatuseenergyinyourhome micro waveoven airconditioner mp4 television hairdryer videoplayer fridge computer washingmachine stove火炉 brainstorming findouttherelatedenergy windmills wind windenergyisusedaspowertoproduceelectricitybywindmills acoalpowerstation coal findouttherelatedenergy whereelectricityisproducedbyburningcoals oilrefinery 炼油厂 oil findouttherelatedenergy inwhichoilisrefinedandmadepure nuclearpowerplant 工厂 nuclear findouttherelatedenergy itisdesignedtotransformnuclearenergyintoelectricity solarpanels 太阳能电池板 solarpower findouttherelatedenergy solarpanelsontheroofofahouseareusedtocollectsolarenergy makingyourhousewarmorheatingyourwater ahydro electricdam 水力发电大坝 water findouttherelatedenergy theyareusedtokeepbackwaterandraiseitslevelforirrigationorforproducingelectricity etc non renewable renewable renewableornon renewable renewableornon renewable fossilfuel 矿物燃料 coal oil naturalgas videowatching skimming skimthetitle theearthisbecomingwarmer butdoesitmatter whatisthemaintopic theearth b globalwarming c becomingwarmerdoesn tmatter thefirstparagraphisinbold 粗体 whichonceagainintroduces skimming skimthefirstparagraph theproblemofglobalwarming magazine skimming whowrotethearticle whatisthenameofthemagazine tip inenglish somenounsbeginwithacapitalletter 大写字母 suchasnamesofpeopleandplaces titlesofmagazines newspapers storiesandbooks people stitles 头衔 etc skimthefirstparagraph sophiearmstrong earthcare skimming theorganizationofthearticle introduction atitle body skimming skimthebodypart 9paras para 1 para 2 3 i ii para 4 8 iii para 9 iv introduction body conclusion skimming listenandmatchthemainideas explainhowglobalwarmingcomesabout listtwodifferentattitudesamongscientiststowardstheconsequencesofglobalwarming introduceadebateoverglobalwarming it suptoreaderstothinkanddecidewhetherpeopleshoulddosomethingaboutglobalwarmingornot i 1 ii 2 3 iii 4 8 iv 9 scanning matchthepartswiththewritingskills usingaquestion leavingreaderstothinkovertheissue raisingaquestion givingexamples makingcontrast comparison givingexamples usinggraphs explanation i 1 ii 2 3 iii 4 8 iv 9 agreenhouse ismadeofglassandisusedforgrowingplants especiallyduringcoldweather whatisagreenhousemadeofandusedfor partii para2 3 trapstheheatfromthesun keepsitfromescaping heatup agreenhouse howdoesitwork fillintheblankswiththeproperwordsaccordingtothefirstlettersgiven henomenon uantities uels rapped esulting partii para2 3 tip youcanknowsomebody sopinionthroughunderstandinghisorwhathesaid whatdodr janicefosterandthescientistgeorgehambleythinkabouttheresultsofglobalwarming dotheyagreewithoneanother quotations 引言 partiii para4 8 dr janicefosterthinkstheeffectsofglobalwarmingcouldbeveryserious georgehambleythinksglobalwarmingwillbemildwithfewbadenvironmentalconsequences theydon tagreewitheachother partiii para4 8 goup catastrophe veryserious positive produce agreaterrangeofanimals thedifferentideasbetweendr janicefoster georgehambley 2 doesglobalwarmingmatter scanning positiveeffects negativeeffects causethesealeveltoriseseverestormsdroughtsfaminesthespreadofdiseasesdestructionofspecies positiveeffects negativeeffects causethesealeveltoriseseverestormsdroughtsfaminesthespreadofdiseasesdestructionofspecies positiveeffects negativeeffects makeplantsgrowfastercropswillproducemoreagreaterrangeofanimalsmakelifebetter georgehambley idea sharing whatwillglobalwarmingbringtousinyouropinion trueorfalse readthearticlecarefullyandfinishexercise2onpage27 1 thetemperaturelastcenturydidn tincreasemuch 2 everyonebelievesthatglobalwarmingiscausedbytheactivitiesofhumans 3 janicefosterbelievesthatglobalwarmingiscausedbyburningfossilfuels f f t p1 itisarapidincreasecomparedtomostnaturalchanges p2 thereisfiercedebateoverit 4 naturalgasisagreenhousegas 5 carbondioxideisabyproductofburningfossilfuels f t p3 fossilfuels coal naturalgasandoil 6 peopleacceptcharleskeeling sdatabecausehetookaccuratemeasurements t 7 floodingcouldbeoneoftheeffectsoffutureglobalwarming 8 georgehambleybelievesscientistsarejustguessingabouttheeffectsofglobalwarming 9 georgehambleyisworriedabouttheeffectsofcarbondioxideonplantgrowth 10 itisclearwhattheeffectsofglobalwarmingwillbe t t f f p10 positive p11 nooneknows p10 speculation 1 whatisthepurposeoftheparagraphthatisinbold tointroducethetopic toillustrate 阐述 pointsbyprovidingevidence 2 whatarethediagramsfor thirdreading 3 whyaretheretwoquotes becausetheyareimportantorinterestingpointsandquitedifferent theiraimistoattractyourattentionandtomakeyoureadthem itfunctionsasaconclusionbyaskingthereadertoreviewthemajorthemeofthetextandtopredictwhatmighthappeninthefuture 4 whatisthepurposeofthelastparagraphofthearticle globalwarming graphdescribing a weknowthatthelevelsofcarbondioxidehaveincreasedgreatlyoverthelast100to150years para5 b hefoundthat betweentheseyears thecarbondioxidecontentoftheatmospherewentupfromaround315partspermilliontoaround370partspermillion para5 thegeneraltrendordescription thedescriptionofthedetail whatisthedifferencebetweenaandb globalwarming thegraphshowsthechangesofthetouristnumberfrom1991to2 000 onthewhole thenumberincreasedsteadilyoverthisperiod thenumberrosefrom5000in1991tomorethan25 000in2001whenitreacheditshighest itcanbeconcludedfromthegraphthatthetownattractedmoreandmoretouristsduringthisperiod discovering topic generaltrend detailedinformation conclusion howisthegraphdescribed globalwarming haveatry topic show changegeneraltrend onthewhole increasesteadily detailedinformation risefrom to reachitshighest coclusion conclude decrease fall lowest whathaveyoul