选修六Unit-4-global-warming-热身和reading

____(China)moviestarsandAmerican____(direct)LinlefttheirprintsintheforecourtofTheTCLChineseTheater.Alwynsaidit___(be)agreatchance___(show)thesuccess___themakinganddistributionofmoviesworldwide.betweenChinaandHollywood.ZhaoandHuangbothfelt____(thank)for_____(leave)handprintsthere.Overlastdecade,Huang____(win)numerousawards.Wedependonenergytodomanythingsinourdailylives.Makealistofthethingsthatconsumeenergyinyourhome,schooloranyotherplaces.Lights,heating,television,cassetteplayer,videorecorder,computer,fridge,washingmachine,hairdryer,airconditioner,cars….Wheredoestheenergycomefrom?Energysources:renewableandnon-renewablesources.Renewablesources:energysourcesthatneverrunout.Non-renewable:energysourcesthatwillrunoutoneday.Makealistofenergysources.windpower(?)renewable风力Oil(anoilrefinery)炼油厂non-renewable[ri'fainəri]精炼厂solar-energyrenewablenuclearenergy(anuclearpowerplant核电站)naturalgasPlantwastehotsprings(温泉)thesea(tidalenergy潮汐能)Water(ahydrodam水坝)non-renewablerenewablerenewablerenewablerenewablenon-renewablemoresourcesofenergyrenewableornon-renewable•Nowthatwehavelearnedsomesourcesofenergyarenon-renewable,Whatshouldwedowithenergy?•---Weshouldsaveenergyandthusreducetheemission(排放)ofgreenhousegases.agreenhousePre-readingWhatisagreenhousemadeof?Howdoesitwork?Itismadeof_____andplantscangrowinitwhenit’scoldoutside,becausetheglass______theheat______thesunandkeepsitfrom_______.Thismakesthegreenhouse_________andsotheplantscangrowthroughoutthecoldperiod.glasstrapsfromescapingheatupMethane['mi:θein]WhatareGreenhousegases?Intheatmospheresurroundingtheearththerearegasescalled“greenhousegases”,including…CarbondioxideWatervaporWhat…greenhousegasesdo?Greenhousegasesperformthesamefunctionastheglassofaglasshouse.Theytrapheatfromthesunandkeeptheairsurroundingtheearthwarm,whichiscalledthegreenhouseeffect.温室效应Doweneedthosegases?Withoutthe“greenhouseeffect”,whatwouldhappen?Theearthwouldbeabout33℃coolerthanitis.AscientistcalledCharelesKeelingmadeaccuratemeasurementsoftheamountofcarbondioxidecontentintheatmospherefrom1957to1997.Butwhatiftherewasanincreaseingreenhousegases?Hefoundthat…Betweentheseyearsthecarbondioxideintheatmospherewentupfromaround315partstoaround370partspermillion.315(百万分之)TheEarthisBecomingWarmer--ButDoesItMatter?Firstreadingforgeneralidea:1.Wherecanwereadsuchanarticleanditsgenre?2.Whowrotethemagazinearticle?Whatisthenameofthemagazine?3.Whatisthemaintopicofthearticle?Anydifferencesofthistext?GraphsnewwordsinboldTextFeatures4.Whatrethenamesofthethreescientistsmentionedinthearticle?Firstreadingforgeneralidea:1.Wherecanwereadsuchanarticleanditsgenre?2.Whowrotethemagazinearticle?Whatisthenameofthemagazine?3.Whatisthemaintopicofthearticle?SophieArmstrongEarthCare《关爱地球》.Anexpositionfromamagazine.(Thequotes引言arepartofthearticle,whichistypicalofmagazinearticle）GlobalwarmingAnydifferencesofthistext?GraphsnewwordsinboldTextFeatures4.Whatrethenamesofthethreescientistsmentionedinthearticle?JaniceFoster,CharlesKeeling,GeorgeHambleyGraphIshowsthetemperaturedifferencefromlong-termaveragebetween1860to2000.2.Whatarethetwographsabout?Graph2showsthecarbondioxidecontentintheatmospherefrom1957to1997.MainideasofeachpartPart1(?)IntroduceadebateovertheissueofglobalwarmingPart2(?)Explanationabouthowglobalwarmingcomesabout.Part3(?)Twodifferentattitudesamongscientiststowardsglobalwarming.Part4(?)Twochoicesofdealingwiththisproblem.1.Howhasglobalwarmingcomeabout?2.Whatdothescientiststhinkaboutglobalwarming?Dotheyagreewitheachother?3.Whatmaybetheterribleeffectsofglobalwarming?4.Whatmaybethepositiveaspectsofglobalwarming?Secondreadingfordetails:1.Howhasglobalwarmingcomeabout?Itishumanactivitythathascausedtheglobalwarming(ratherthanarandombutnaturalphenomenon).Theproblembeginswhenhugequantitiesofextracarbondioxideareaddedintotheatmosphere.…isduetotheburningoffossilfuels…Dr.Foster:_____________________GeorgeHambley:_________________3.Whatdothescientiststhinkaboutglobalwarming?Dotheyagreewithoneanother?Itwouldbeacatastrophe.weshouldnotworryaboutit.Theyhavequitedifferentattitudestowardsthisissue.4.Whatmaybetheterribleeffectsofglobalwarming?ariseofseveralmetresinthesealevel;severestorms,droughts,famines,thespreadofdiseases,andthedisappearanceofspecies.5.Whatmaybethepositiveaspectsofglobalwarming?Plantsgrowquicker;Cropswillproducemore;Encourageagreatrangeofanimals;Makelifeforhumanbeingsbetter.Whatskillsareusedinthefourparts?Part1Part2Part3Part4usingaquestion,leavingreaderstothinkovertheissuegivingexamples,makingcontrast(comparison)givingexamples,usinggraphs,explanationraisingaquestionTheauthorprobablyagreesthat________.A.Actuallyglobalwarmingisgoodforman.B.Weshoulddonothingabouttheglobalwarming.C.Catastropheswillhappeniftheglobekeepsonwarming.D.Alotremainstobefoundoutabouttheeffectsofglobalwarming.FurtherunderstandingTheclimateisgoingtokeeponwarm.Doesitmatter?1.Thewriterprobablythinks________.A.Itmatters.B.Itdoesn’tmatter.2.Whatprobablydoesthewriterwantustodobythelasttwoquestions?Weshouldsaveenergyandprotecttheearth.Listentothetape.Arethefollowingstatemen