选修六unit4 reading

Unit4GlobalWarmingLightourcitiesHeatourbuildings---1.Whatdoweuseenergyfor?Manythingsconsumeenergyinourdailylife.2.Wheredoesallthisenergycomefrom?Windpoweracoalpowerstationanoilrefineryanuclearpowerplant炼油厂solarpanelshydro-electricdamRenewablenon-renewable:energysourcessuppliesofitneverrunoutonedaytheywillrunout.Renewableornon-renewable?√Renewableornon-renewable?√•Coal•Oil•Naturalgas•Uranium•Wind(windpower)•Sun(solarenergy)•Water(hydro-electricpower)•Plantwaste(biomassenergy)•Hotspringsorgeysers(geothermalenergy)•Thesea(tidalenergy)FossilfuelsNon-renewableRenewable化石燃料3.Whatarefossilfuels?•Ancientanimalandplantmaterialbelowthesurfaceoftheearthwithahighcarboncontent,suchascoal,oilandnaturalgas,whichcanbeburnttoproduceenergy.Alsoknownasnon-renewableenergybecauseoncetheyareusedtheyhavegoneforever;theycannotberenewed.4.Whatisthegreenhousemadeandusedfor?Agreenhouseismadeofglassandisusedforgrowingplants,especiallyduringcoldweather.5.Howdoesitwork?Theairinsideiswarmbecausetheglasstrapstheheatfromthesunandkeepsitfromescaping.Thismakesthegreenhouseheatupandsotheplantscangrowthroughoutthecoldperiod.6.Whatarethe“greenhousegases”?Intheatmospheresurroundingtheearththerearegases,whicharecalled“greenhousegases”,includingcarbondioxide,methane(甲烷,沼气)andwatervapor.7.Whatdoyouthinkgreenhousegasesdo?Theytrapheatfromthesunandthereforewarmtheearth.TheEarthIsBecomingWarmer–ButDoesItMatter?Lookatthemagazinetitlequicklyandtrytofindout:howisthetextorganized?Ithasatitle;afirstparagraphthatisinbold;themaintext;Diagram(graph);somequotes.FastReadingReadthetextfastandanswerthequestionsonpage27Ex11.Whowrotethemagazinearticle?Whatisthenameofthemagazine?SophieArmstrongwrotethemagazinearticle.ThenameofthemagazineisEarthCare.2.Whatarethenamesofthethreescientistsmentionedinthearticle?TheyareDr.JaniceFoster,CharlesKeelingandGeorgeHambley.3.Whatdotheythinkaboutglobalwarming?Dotheyagreewithoneanother?Theydon'tagreewitheachother.Dr.JaniceFosterthinkstheeffectsofglobalwarmingcouldbeveryserious.GeorgeHambleythinksglobalwarmingwillbemildwithfewbadenvironmentalconsequences.4.Whatarethetwographsabout?Graph1showsthetemperatureincreaseofonedegreeFahrenheitbetween1860to2000.Graph2showsthecarbondioxidecontentintheatmospherefrom1957to1997.Graph1:Graph2:5.Whatisthemaintopicofthearticle?GlobalwarmingCarefulReadingReadthetextcarefullyandsumupthemainideaofeachpart.Partone:(para1)Introduceatopic/raiseaquestionParttwo:(para2-5)Explainhowglobalwarmingcomesabout.Partthree:(para6)ListtwodifferentattitudesPartfour:(para7)Drawaconclusion.1.Whatisthepurposeoftheparagraphthatisinbold?Tointroducethetopic.Toillustrate(阐述)pointsbyprovidingevidence.2.Whatarethediagramsfor?Questionnaires3.Theauthorprobablyagreesthat________A.actuallyglobalwarmingisgoodforman.B.weshoulddonothingabouttheglobalwarming.C.catastropheswillhappeniftheglobekeepsonwarming.D.alotremainstobefoundoutabouttheeffectsofglobalwarming.4.Buttherearesomeverydifferentattitudesamongscientiststowardsthisissue.”“issueheremeansthesameastheonein___.A.Iboughtthenewstampthedayofitsissue.B.Theyaretalkingaboutoneofthekeyissuesintheelectioncampaign.C.Thegovernmentisexpectedtoissueastatementabouttheelection.D.Themagazinehas12issueseachyear.ReadingReadwiththetapeandfinishPart2onpage27True/false1.Howhastheglobalwarmingcomeabout?2.Whataretheeffectsofglobalwarming?CarefulReadingReadthetextagainandanswerthequestions.ScientistsOpinionJaniceFoster◆Overthenext100yearstheamountofwarmingcouldbeaslowas1to1.5degreesCelsius,butitcouldbeashighas5degreesCelsius.◆Anincreaseoffivedegreeswouldbea4____________.catastrophe1.Howhastheglobalwarmingcomeabout?HumanactivityTheburningoffossilfuelsgreenhousegasesgreenhouseeffectHugequantitiesofextracarbondioxide(Weneedthosegases)’sopinionthroughunderstandinghisorwhathesaid.WhatdoDr.JaniceFosterandthescientistGeorgeHambleythinkabouttheconsequencesofglobalwarming?Dotheyagreewithoneanother?quotations(引言)PartIII(Para4-6)(Para4-6)Dr.JaniceFosterGeorgeHambleyScientistsOpinionsGeorgeHambley◆Believesthatweshouldn’tworryabout__________ofcarbondioxideintheair.◆Predictsthatanywarmingwillbemildwithfewbadenvironmental___________.◆_______thatmorecarbondioxideisactuallya________thing,whichwillmakelifeforhumanbeingsbetter.highlevelsconsequencesStatespositiveDr.JaniceFosterGeorgeHambleyAnincreaseoffivedegreeswouldbea___________anditcouldbevery_______.Itwillcausea___inthesealevel,orpredictsevere______,_____,________,_______,thespreadof_______andthedisappearanceof_______.Weshouldnot_worry__________highlevelsofcarbondioxideintheair.Morecarbondioxideisa______thing,whichmakesplantsgrow_______,crops_______moreandwillencourage______________animals.Part3(6)Listtwodifferentattitudesamongscientiststowardsglobalwarming.catastropheseriousrisestormsfloodsdroughtsfaminesdiseasesspeciesaboutpositiveproducequickeragreaterra