unit4 Global Warming reading (2)

二0一0年元月六日Unit4ReadingReadingTheEarthIsBecomingWarmer–ButDoesItMatter?ListThingsthatuseenergySourcesofenergyRenewable/non-renewableWarmingupFromthefollowingpictures,youwillknowwhereallthisenergycomesfrom.windpoweracoalpowerstationanoilrefineryanuclearpowersolarpanelshydro-electricdamSamplelistsThingsthatuseenergySourcesofenergyRenewable/non-renewablelightheatingcoalnon-renewableoilnon-renewabletelevisioncassetteplayervideorecordercomputernaturalgasnon-renewablewind(windpower)renewablesun(solarenergy)renewableuranium(nuclearenergy)non-renewablefridgestovewashingmachinehairdryerwater(hydro-electric)renewableplantwaste(biomassenergy)renewablehotspringsorgeysers(geothermalenergy)renewablethesea(tidalenergy)renewablePre-readingAgreenhouseismadeofglassandisusedforgrowingplants,especiallyduringcoldweather.•Howdoesitwork?Theairinsideiswarmbecausetheglasstrapstheheatfromthesunandkeepsitfromescaping.Thismakesthegreenhouseheatupandsotheplantscangrowthroughoutthecoldperiod.•Whatarethe“greenhousegases”?Intheatmospheresurroundingtheearththerearegases,whicharecalled“greenhousegases”,includingcarbondioxide,methane(甲烷,沼气)andwatervapor.•Whatdoyouthinkgreenhousegasesdo?Theytrapheatfromthesunandthereforewarmtheearth.Fast-reading1.Whowrotethemagazinearticle?Whatisthenameofthemagazine?SophieArmstrongEarthcare2.Whatarethetwoquestionsthatheexplores?Howhasthiscomeaboutanddoesitmatter.Listentothetapeandthendividethetextintofourparts.Part1(Para.________)Mainidea:Theearthisgettingwarmer.Part2(Para.________)Mainidea:Howhasglobalwarmingcomeabout?Part3(Para._______)Mainidea:Twooppositeattitudestowardsthetemperaturerise.Part4(Para.________)Mainidea:Shouldwedoanything?12to567Secondreading1.Whatarethetwographsabout?2.Whatarethenamesofthethreescientistsmentionedinthearticle?3.Whatdotheythinkaboutglobalwarming?Dotheyagreewithoneanother?Choices.1.Whofoundouttheamountofcarbondioxideintheatmospherefrom1957to1977?A.Dr.JaniceFoster.B.CharlesKeeling.C.GeorgeHambley.D.SophieArmstrong.B〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓2.Buttherearesomeverydifferentattitudesamongscientiststowardsthisissue.“Issueheremeansthesameastheonein________.A.Iboughtthenewstampthedayofitsissue.B.Theyaretalkingaboutoneofthekeyissuesintheelectioncampaign.C.Thegovernmentisexpectedtoissueastatementabouttheelection.D.Themagazinehas12issueseachyear.B〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓3.Theauthorprobablyagreesthat________A.actuallyglobalwarmingisgoodforman.B.weshoulddonothingabouttheglobalwarming.C.catastropheswillhappeniftheglobekeepsonwarming.D.alotremainstobefoundoutabouttheeffectsofglobalwarming.D〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓Yesorno?1.DoesSophieArmstrongsupportaclearopinion?2.DoesGeorgeHambleybelievethatweshouldworrymuchabouttheglobalwarming?No.hedoesn’tstateitclearly.No,hedoesn’t.1.Thetemperaturelastcenturydidn’tseemtoincreasemuch.2.Thereisnodoubtthatglobalwarmingiscausedbytheactivitiesofhumans.3.JaniceFosterbelievesthatshecanmeasurethefutureglobalriseintemperature.4.Carbondioxideisabyproductofburningfossilfuels.TTT5.Itisclearwhattheeffectsofglobalwarmingwillbe.6.GeorgeHambleyisworriedabouttheeffectsofcarbondioxideonplantgrowthFFFThedifferentideasbetweenDr.JaniceFoster&GeorgeHambleyDr.JaniceFosterGeorgeHambleyCarbondioxidehascausedtheglobaltemperatureto__________.Anincreaseoffivedegreeswouldbea____________andcouldbe______________.Morecarbondioxideisa__________thing,whichmakescrops__________moreandwillen-courage____________________.goupcatastropheVeryseriouspositiveproduceagreaterrangeofanimalsWhatarethebadeffectsofglobalwarming?ThesealeveltoriseSeverestorms,droughts,famines,thespreadofdiseases,andthedestructionofspeciesCarefulreadingHowglobalwarmingcomesabout1._______humanactivity____hascausedthisglobalwarming.2.Thathumanbeings____fossil____canbringgreenhousegases.3.Hugequantitiesofextra____________cancausethisglobalwarming.1.CharlesKeelingaccurately________theamountofcarbondioxideintheatmospherefrom1957-1997.2.AllscientistsacceptCharlesKeeling’s____.Itisthatburnfuelscarbondioxidemeasureddata1.Thereisnodoubtthattheearthisbecomingwarmerandthatitishumanactivitythathascausedthisglobalwarmingratherthanarandombutnaturalphenomenon.Thereisnodoubtthat….Thereissomedoubtwhether….辨析：主句为肯定句时，doubt后使用连词whether。主句为否定句时，doubt后则使用连词that。LanguagePoints[考点]itis...that...在此句中构成强调句型，强调的是主语humanactivity。强调句型除谓语不能强调外，可强调主语、宾语或状语。[考例]Itisnotwhoisrightbutwhatisright______isofimportance.(重庆2007)A.whichB.itC.thatD.this[点拨]根据强调句型的判断方法：将itis和that去掉后，此句成为Notwhoisrightbutwhatisrightisofimportance，是一个完整的句子，故此题是一个强调句型。2.ItwasascientistcalledCharlesKeeling,whomadeaccuratemeasurementsoftheamountofcarbondioxideintheatmospherefrom1957to19773.Theyalsoagreethatitistheburningofmoreandmorefossilfuelsthathasresultedinthisincreaseincarbondioxide.4.Buildup.加大，加强，增多，逐步建立eg.1.Don’tallowresentmenttobuildupBetweenyouandyourparter.别让你和你的合伙人之间怨恨越积越深。2.Theseexercisesaregoodforbuildinguplegstrength.这些锻炼有助于增强你的腿部力量。Whatcanwedotocontrolthegreenhouseef