新人教选修 Unit Global warmingReading阅读ppt课件.ppt

高二英语选修6Unit4GlobalWarmingReadingTHEEARTHISBECOMINGWARMER BUTDOESITMATTER MadeBy广东省茂名市电白县电海中学邵秀金 1 1 Comparedtothepastfewyears what stheweatherlikethisyear 2 Doyouwanttocheckitout Herearesomepicturesbasedontheactuallifescenesintheseyearsforyoutoreferto Questions 2 3 Inaddition youmayturntoGraph1 onPage26tofindoutthechangesofthetemperaturesfromlong termaverage Question Doyouthinkthewholeworldisbecomingwarmerandwarmer Butdoesitmatter Thisisthetopicwearegoingtodiscussfortoday 4 Unit4GlobalWarmingReadingTheEarthIsBecomingWarmer ButDoesItMatter 5 FastReading Glancequicklyatthemagazinearticleandanswerthequestions 6 SophieArmstrongwrotethemagazinearticle Thenameofthemagazineis Earthcare 2 Whatarethenamesofthethreescientistsmentionedinthearticle TheyareDr JaniceFoster CharlesKeelingandGeorgeHambley 1 Whowrotethemagazinearticle Whatisthenameofthemagazine 7 3 Whatdotheythinkaboutglobalwarming Dotheyagreewithoneanother Theydon tagreewitheachother Somethinktheeffectswillbeterrible whilesomeothersbelievethatweshouldnotworryaboutit Dr JaniceFosterthinkstheeffectsofglobalwarmingcouldbeveryserious GeorgeHambleythinksglobalwarmingwillbemildwithfewbadenvironmentalconsequences 8 4 Whatarethetwographsabout Graph1showsthetemperatureincreaseofonedegreeFahrenheitfrom1860to2000 5 Whatisthemaintopicofthearticle Globalwarming Thewarmingoftheearth Graph2isaboutthecarbondioxidecontentintheatmospherefrom1957to1997 9 TrueorfalseReadthearticlecarefullyandfinishPart2onPage27 10 1 Thetemperaturelastcenturydidn tincreasemuch 2 Everyonebelievesthatglobalwarmingiscausedbytheactivitiesofhumans 3 JaniceFosterbelievesthatglobalwarmingiscausedbyburningfossilfuels 4 Naturalgasisagreenhousegas 5 Carbondioxideisabyproductofburningfossilfuels F F T F T 11 6 PeopleacceptCharlesKeeling sdatabecausehetookaccuratemeasurements 7 Floodingcouldbeoneoftheeffectsoffutureglobalwarming 8 GeorgeHambleybelievesscientistsarejustguessingabouttheeffectsofglobalwarming 9 GeorgeHambleyisworriedabouttheeffectsofcarbondioxideonplantgrowth 10 Itisclearwhattheeffectsofglobalwarmingwillbe T T T F F 12 CarefulReading 1 Readthetextagainandtrytogetthemainideaofthearticle 13 Themainideaofthepassage Part1 Paragraphs1 Part2 Paragraphs2 4 Part3 Paragraphs5 10 Introduceadebateovertheissueofglobalwarming Illustratehowglobalwarmingcomesabout Listtwodifferentattitudesamongscientiststowardsglobalwarming 14 Part4 Pa11 It suptoreaderstothinkanddecidewhetherpeopleshoulddosomethingaboutglobalwarmingornot 15 Questions Howhastheglobalwarmingcomeabout 16 Humanactivity burningoffossilfuels 17 Greenhouseeffect greenhousegases weneedthosegases 18 WeaddhugequantitiesofextracarbondioxidetotheatmospherebyburningFossilfuels Thecarbondioxidecontentoftheatmospherewentupfromaround315partspermilliontoaround370partspermillionfrom1957to1997 SeeGraph2onPage26 19 ThetwodifferentviewpointstowardstheeffectsofglobalwarmingbetweenDr JaniceFosterandGeorgeHambley goup catastrophe veryserious positive produce agreaterrangeofanimals 20 Ofthetwoideas whichareyouinfavorof TheDrJaniceFoster s Why Becausewehavewitnessedalargenumberofdisasterspredictedbysomepeople 21 Whataretheeffectsanddisastersofglobalwarming 22 What sworse theglaciers 冰川 oftheSouthPolearebeginningtocrack 破裂 TheglaciersofthePolesarestartingtomeltduetotheincreasingtemperaturescausedbyglobalwarming 23 tsunami Thesealeveltorise 24 25 tornados 26 Severestorms droughts famines thespreadofdiseases 27 destructionofspecies 28 Dicussion Whatshouldwedoabouttheterribleeffectsabove 29 Trytoreducetheuseofmotorvehicles 30 electricvehicle bike running Solarenergycar 31 Plantingtrees Cleaningtherubbish 32 33 Returnthegreenworldtous 34 Assignment 1 Writeanargumentationtitled EnvironmentProtection b