人教版 选修六 Unit 4 Global warmingReading课件（共27张PPT）.ppt

wordsstudy globalwarming unit4 nuclearleakage duetothegreenhouseeffect theearthisbecomingwarmerandwarmer butdoesitmatter skimming skimthetitle theearthisbecomingwarmer butdoesitmatter whatisthemaintopic theearth b globalwarming c becomingwarmerdoesn tmatter skimming wheredoesthisarticlemostprobablycomefrom newspaperb novelc magazine skimming whowrotethearticle whatisthenameofthemagazine tip inenglish somenounsbeginwithacapitalletter 大写字母 suchasnamesofpeopleandplaces titlesofmagazines newspapers storiesandbooks people stitles 头衔 etc skimthefirstparagraph sophiearmstrong earthcare skimming whatarethenamesofthethreescientistsmentionedinthearticle drjanicefoster charleskeeling georgehambley skimming theorganizationofthearticle introduction atitle body conclusion skimming skimthebodypart 7paras para 1 para 2 3 i ii para 4 6 iii para 7 iv introduction body conclusion scanning matchthemainideaofeachpart explainhowglobalwarmingcomesabout twodifferentattitudesamongscientiststowardstheconsequencesofglobalwarming introducetheproblemofglobalwarming giveawarningandraiseaquestionforthereaderstothinkover i 1 ii 2 3 iii 4 6 iv 7 carefulreading fillintheblanksaboutthecausesofgreenhouseeffect henomenon uantities uels rapped esulting partii para2 3 tip youcanknowsomebody sopinionthroughunderstandinghisorwhathesaid whatdodr janicefosterandthescientistgeorgehambleythinkabouttheconsequencesofglobalwarming dotheyagreewithoneanother quotations 引言 partiii para4 6 dr janicefosterthinkstheeffectsofglobalwarmingcouldbeveryserious georgehambleythinksglobalwarmingwillbemildwithfewbadenvironmentalconsequences theydon tagreewitheachother partiii para4 6 goup catastrophe veryserious positive produce agreaterrangeof thedifferentideasbetweendr janicefoster georgehambley idea sharing whatwillglobalwarmingbringtousinyouropinion findoutsupportingevidence causethesealeveltoriseseverestormsdroughts floodsfaminesthespreadofdiseasesdisappearanceofspecies positiveeffects negativeeffects causethesealeveltoriseseverestormsdroughts floodsfaminesthespreadofdiseasesdisappearanceofspecies positiveeffects negativeeffects makeplantsgrowfastercropswillproducemoreagreaterrangeofanimalsmakelifebetter trueorfalse readthearticlecarefullyandfinishexercise2onpage27 1 what sthefirstgraphabout itshowsthetemperatureincreaseofonedegreefahrenheitbetween1860and2000 furthercomprehension 2 what sthesecondgraphabout itshowsthecarbondioxidecontentintheatmospherefrom1957to1997 3 thepurposeofthefirstparagraphisto introducethewriterb explainachangec introducethetopicd raiseaquestion4 thegraphsareusedto illustratepointsbyprovidingevidencetellthechangeoftemperaturetellthecontentofcarbondioxideintheairinterestthereaders5 what sthepurposeofthelastparagraphofthepassage itfunctionsasaconclusionbyaskingthereadertoreflectonthemajorthemeofthetextandtopredictwhatmighthappeninthefuture theearthisbecomingwarmerdoesitmatter ifitdoes asastudent whatshouldyoudoaboutit discussion debate a b a weshalldosomethingaboutglobalwarming b weshalldonothingaboutglobalwarming whatshouldwedo idea sharing weshoulddonothingaboutglobalwarming debate whathaveyoulearnedfromthepassageaboutglobalwarming itissaidthattheclimateisgoingtokeeponwarmingfordecadesorcentury doyouthinkthatweshouldd