Unit 4 Global warming Reading 课件-高中英语人教新课标选修六

GLOBALWARMINGMakealistofthethingsthatconsumeenergyinyourhome,school,oranyotherplacesyoucanthink?Makealistofasmanysourcesofenergyasyoucan?Windenergyisusedaspowertoproduceelectricity.Thecoalpowerstation,whereelectricityisproducedbyburningcoals.Makealistofasmanysourcesofenergyasyoucan?TheOilRefineries,inwhichoilisrefinedandmadepure.Anuclearpowerplant,afacilitydesignedtochangenuclearenergyintoelectricity.Makealistofasmanysourcesofenergyasyoucan?Solarpanels,usedtocollectsolarenergy.TheHydro-electricdams,usedtokeepbackwaterandraiseitslevelforirrigationorforproducingelectricity,etc.Whataretherenewableandnon-renewableresourcesaccordingtothetextbook?Renewableresources:Non-renewableresources:Renewableresourcesarethosewhosesuppliesofthemneverrunout.Non-renewableresourcesarethosewhosesuppliesofthemwillrunoutoneday.Pre-readingGREENHOUSEAgreenhouseismadeofglassandisusedforgrowingplants,especiallyduringcoldweather.Pre-readingHOWDOESAGREENHOUSEWORK?Pre-readingGREENHOUSEGASES甲烷一氧化二氮二氧化碳臭氧氟利昂一氧化碳二氧化硫Pre-readingGREENHOUSEEFFECTREADINGTheEarthIsBecomingWarmer–ButDoesItMatter?Skimthearticleandanswerthesequestions.SophieArmstrongwrotethemagazinearticle.Thenameofthemagazineis“Earthcare”.2.Whatarethenamesofthethreescientistsmentionedinthearticle?TheyareDr.JaniceFoster,CharlesKeelingandGeorgeHambley.1.Whowrotethemagazinearticle?Whatisthenameofthemagazine?READING3.Whatdotheythinkaboutglobalwarming?Dotheyagreewithoneanother?Therearesomeverydifferentattitudesamongscientiststowardsthisissue.Somethinktheeffectswillbeterrible,whilesomeothersbelievethatweshouldnotworryaboutit.READING4.Whatarethetwographsabout?Graph1showsthetemperatureincreaseofonedegreeFahrenheitbetween1860to2000.Graph2showsthecarbondioxidecontentintheatmospherefrom1957to1997.Graph1:Graph2:READING1.Thetemperaturelastcenturydidn’tincreasemuch.2.Everyonebelievesthatglobalwarmingiscausedbytheactivitiesofhumans.3.JaniceFosterbelievesthatshecanmeasurethefutureglobalriseintemperature.4.Theriseincarbondioxideiscausingasteadyincreaseinglobalwarming.5.GeorgeHambleybelievesthatglobalwarmingwilldogoodratherthanharmtotheearth.6.Itisclearwhattheeffectsofglobalwarmingwillbe.Readthearticlecarefully.Telltrueorfalse.TTFTTFREADINGWhofoundouttheamountofcarbondioxideintheatmospherefrom1957to1977?

A.Dr.JaniceFoster.B.CharlesKeeling.

C.GeorgeHambley.D.SophieArmstrong."Buttherearesomeverydifferentattitudesamongscientiststowardsthisissue.”

“issue"heremeansthesameastheonein___.

A.Iboughtthenewstampthedayofitsissue.

B.Theyaretalkingaboutoneofthekeyissuesintheelectioncampaign.

C.Thegovernmentisexpectedtoissueastatementabouttheelection.

D.Themagazinehas12issueseachyear.3.Theauthorprobablyagreesthat________

A.actuallyglobalwarmingisgoodforman.

B.weshoulddonothingabouttheglobalwarming.

C.catastropheswillhappeniftheglobekeepsonwarming.

D.alotremainstobefoundoutabouttheeffectsofglobalwarming.READINGQuestionnaires-I1.DoesSophieArmstrongsupportaclearopinion?2.DoesGeorgeHambleybelievethatweshouldworrymuchabouttheglobalwarming?No.hedoesn’tstateitclearly.No,hedoesn’t.READING3.Howhastheglobalwarmingcomeabout?①Humanactivity---burningoffossilfuels.②Greenhouseeffect---greenhousegases---weneedthosegases.③Hugequantitiesofextracarbondioxide---from1957to1997---fromaround315partspermilliontoaround370partspermillion.READING4.Whataretheeffectsofglobalwarming?④Encourageagreaterrangeofanimals.①Thesealeveltorise.②Severestorms,droughts,famines,thespreadofdiseases,anddestructionofspecies.③Makeplantsgrowfaster.Cropswillproducemore.READINGmainideaPart1(para1)IntroduceadebateovertheissueofglobalwarmingPart2(para2)Part3(para3-8)Part4(para9)IllustratehowglobalwarmingcomesaboutListtwodifferentattitudesamongscientiststowardsglobalwarmingIt’suptoreaderstothinkanddecidewhetherpeopleshoulddosthaboutglobalwarmingornot4partsREADING1.Whatisthepurposeoftheparagraphthatisinbold?Tointroducethetopic.Toillustrate(阐述)pointsbyprovidingevidence.2.Whatarethediagramsfor?Questionnaires-IIItfunctionsasaconclusionbyaskingthereadertoreflectonthemajorthemeofthetextandtopredictwhatmighthappeninthefuture.3.Whatisthepurposeofthelastparagraphofthearticle?READINGThedifferentideasbetweenDr.JaniceFoster&GeorgeHambleyDr.JaniceFosterGeorgeHambleyCarbondioxidehascausedtheglobaltemperatureto__________.Anincreaseoffivedegreeswouldbea__