Unit4---warmingupandreadingGlobalwarmingExtremeheat酷暑

Canyouthinkofsomenaturaldisasters(自然災害)becauseoftheextremeheat?drought(旱災)firefloodhurricane/typhoonIfeelhot!.×√Low-carbonlife（低碳生活）Isthewholeworldbecomingwarmerandwarmer?Why?populationairpollution…carbondioxideacidrainspeciesextinctionwaterpollution全球氣候變暖是一種“自然現象”。人們焚燒化石礦物以生成能量或砍伐森林并將其焚燒時會產生二氧化碳等多種溫室氣體。這些溫室氣體對來自太陽輻射的可見光具有高度的透過性，而對地球反射出來的長波輻射具有高度的吸收性，能強烈吸收地面輻射中的紅外線，導致全球氣候變暖，也就是常說的“溫室效應”。全球變暖會使全球降水量重新分配、冰川和凍土消融、海平面上升等，既危害自然生態系統的平衡，更威脅人類的食物供應和居住環境。energysourcesWedependonenergytodomanythingsinourdailylives.Forexample,energylightsourcitiesandheatsourbuildings.Makealistofthingsthatuseenergyinyourhome,inyourschool,oranyotherplacesyoucanthinkof.stovelightthingsthatuseenergyinyourhomemicro-waveovencassetteplayerheatingtelevisionhairdryervideoplayerfridgecomputerwashingmachinestoveWindenergyisusedaspowertoproduceelectricity.

Windmillswhereelectricityisproducedbyburningcoals.Thecoalpowerstationsinwhichoilisrefinedandmadepure.TheOilRefineriestochangenuclearenergyintoelectricity.

Anuclearpowerplantontheroofofahouseonabrightsunnydayareusedtocollectsolarenergy,makingyourhousewarmorheatingyourwater.SolarpanelsTheHydro-electricdamsareusedtokeepbackwaterandraiseitslevelforirrigationorforproducingelectricity,etc.

Anenergysourceis“renewable”

whensuppliesofitneverrunoutand“non-renewable”whenonedaytheywillrunout.

Whichenergysourcesonyourlistarerenewableandwhicharenon-renewable?

Discusscoaloilnaturalgaswind(windpower)sun(solarenergy)nuclearenergywater(hydro-electricpower)thesea(tidalenergy)non-renewablenon-renewablenon-renewablerenewablerenewablenon-renewablerenewablerenewablePre-readingWhatisthegreenhousemadeandusedfor?greenhouseTheyaremadeofglassandplantscangrowinitwhenitiscoldoutside.Howdoesitwork?Theglasstrapstheheatfromthesun,makingtheairwarmsothatplantscangrowbetter.Greenhousegases!What’sgreenhousegaseseffect?Greenhousegasesperformthesamefunctionastheglassinagreenhouse---Theytraptheheatofthesunandkeeptheairsurroundingtheearthwarm.Itiscalledthegreenhouseeffect.TheEarthIsBecomingWarmer–ButDoesItMatter?FastReadingGlanceatthearticleandanswerthesequestions.SophieArmstrongwrotethemagazinearticle.Thenameofthemagazineis“Earthcare”.2.Whatarethenamesofthethreescientistsmentionedinthearticle?TheyareDr.JaniceFoster,CharlesKeelingandGeorgeHambley.1.Whowrotethemagazinearticle?Whatisthenameofthemagazine?3.Whatdotheythinkaboutglobalwarming?Dotheyagreewithoneanother?Therearesomeverydifferentattitudesamongscientiststowardsthisissue.Somethinktheeffectswillbeterrible,whilesomeothersbelievethatweshouldnotworryaboutit.4.Whatarethetwographsabout?Graph1showsthetemperatureincreaseofonedegreeFahrenheitbetween1860to2000.Graph2showsthecarbondioxidecontentintheatmospherefrom1957to1997.Graph1:Graph2:5.Whatisthemaintopicofthearticle?Globalwarming/Thewarmingoftheearth.1.Thetemperatureinthelastcenturydidn’tincreasemuch.2.Everyonebelievesthatglobalwarmingiscausedbytheactivitiesofhumans.3.JaniceFosterbelievesthatshecanmeasurethefutureglobalriseintemperature.4.Theriseincarbondioxideiscausingasteadyincreaseinglobalwarming.5.GeorgeHambleybelievesthatglobalwarmingwilldogoodratherthanharmtoearth.6.Itisclearwhattheeffectsofglobalwarmingwillbe.

Readthearticlecarefully.Telltrueorfalse.TTFTTFDetailed-ReadingReadthearticleindetailsandfinishthefollowingtask.1.Whofoundouttheamountofcarbondioxideintheatmospherefrom1957to1977?

A.Dr.JaniceFoster.

B.CharlesKeeling.

C.GeorgeHambley.

D.SophieArmstrong.2."Buttherearesomeverydifferentattitudesamongscientiststowardsthisissue.”

“issue"heremeansthesameastheonein___.

A.Iboughtthenewstamponthedayofitsissue.

B.Theyaretalkingaboutoneofthekeyissuesintheelectioncampaign.

C.Thegovernmentisexpectedtoissueastatementabouttheelection.

D.Themagazinehas12issueseachyear.3.Theauthorprobablyagreesthat________

A.actuallyglobalwarmingisgoodforman.

B.weshoulddonothingabouttheglobalwarming.

C.catastropheswillhappeniftheglobekeepsonwarming.

D.alotremainstobefoundoutabouttheeffectsofglobalwarming.4.Howhastheglobalwarmingcomeabout?①Humanactivity---burningoffossilfuels.②Greenhouseeffect---greenhousegases---weneedthosegases.③Hugequantitiesofextracarbondioxide---from1957to1997---fromaround315partspermilliontoaround370partspermillion.5.Whataretheeffectsofglobalwarming?④Encourageagreaterrangeofanimals.①Thesealeveltorise.②Severestorms,droughts,famines,thespreadofdiseases,anddestructionofspecies.③Makeplantsgrowfaster.Cropswillproducemore.Paragraph1Paragraphs2&5Paragraph6Part1Part2Part4MainideaofthetextPart3Paragraph7Howglobalwar