Lesson3NaturalDisasters (2).pptx

Lesson3NaturalDisasters,tsunami,drought,earthquake,flood,forestfire,hurricane/typhoon/tornado,landslide,volcaniceruption,NaturalDisasters,drought,earthquake,landslide,flood,tsunami,volcaniceruption,hurricane/typhoon/tornado,forestfire,Arethesedisasters:natural?,causedbypeople?,madeworsebypeople?,Thelastfewyearshaveseenenvironmentaldisastersonagrandscale,andexpertsarepredictingfarworsetocome.JinLireportsonourEarthschangeableweatherpatterns.,Whatistheattitudeofthejournalisttowardsthefuture?,Pessimistic/Negative.,IntroductionParagraph,Natureisturningonus,ReadingStrategies:,Findthetopicsentenceofeachparagraph.,1.Skimmingforgeneralidea,2.Completingtextswithsentencegaps,References/clues:timereferences(then)pronounreferences(it,that)linkingwords(however),Readthesentencesbeforeandafterandunderstandthem.,TherehasbeenterriblefloodinginAsia,Africa,AmericaandOceania.(1)_Stormshavebeengettingworseeverywheretoo,withagrowingnumberofhurricaneshittingtheUS,andCentralAmerica,Scanning,b,b)EvenEuropehassufferedandlargeareashavebeenunderwater.,ReducedrainfallhasaffectedlargeareasofAfricaforyearsleavingirrigationcanalsdryandmanyotherzonesarebecomingdrier.(2)_Anumberofnationshavealreadybeeninarmedconflictoverwater,Scanning,f,f)Forexample,theYellowRiver,oncefamousforflooding,failedtoreachtheseaatallfor226daysin1997.,Sowhyisnaturebeginningtoturnonus?(3)_Thepopulationoftheworldisgrowingatthedisturbingrateof10,000peopleanhour,nearly90millionayear,Scanning,g,g)Oneanswerisoverpopulation.,especiallyinmountainousareas.(4)_Thishasmainlybeencausedbythehugeamountsofcarbondioxideproducedbyfactoriesandvehicles,andthedestructionoftheworldsforests.,Scanning,e)Ontopofthataddglobalwarming.,e,References:pronounreferences(this),TheworsteruptioninhumanhistorywasprobablyMtTamborain1815,inIndonesia.DustfromthevolcanorolledacrosstheEarthsskies.(5)_“Itreducedtemperaturesbymaybe6Cinsomeplacesandthewholeplanetwassentintowinterforyears”,Scanning,a)Butevidenceshowsthat73,000yearsagotherewasamuchgreatereruption.,a,References:linkingwords(but),detailedReading,ParaA-B,Whatexamplesofnaturaldisastersaregiven?,terriblefloodingworldwidestormsgettingworse,hurricaneshittingUS,droughtaffectedAfrica,dryirrigationcanalsarmedconflictamongnations,forestfireinAmerica,volcaniceruptionwipedouttheislandMontserratanoffshoreearthquakeonDecember26th,2004Indonesiantsunami,ParaC,Whyaretherenowmorehurricanes,floodsanddroughts?,Overpopulationandglobalwarming.,Whoaremostlikelytobethevictimsofnaturaldisasters?,Peopleinagriculturalareas,withoutanymeanstoearntheirliving,movetothecities,andconstructshabbyhomesonclaysoil.Thesehomescaneasilyfalldowninearthquakesorslipandslidedownhillinlandslides,especiallyinmountainousareas.,detailedReading,industrialization,ParaD-E,Whatcouldbethebiggestthreattotheplanetinthefuture?(ParaE),Whateffectsmightthisthreathave?(ParaE),Aviolentvolcaniceruption.,Lowtemperature.,Whyarevolcanoesandearthquakesmoredangerousnow?(ParaD),Aroundhalftheworldspopulationlivesincities.,detailedReading,urbanization,Morethan500millionpeoplenowlivewithintherangeofavolcaniceruption.Disastersoccuratrandomtimes,soitisdifficulttowarninadvance.,Now,Inthelastdecade,Inthefuture,Natureisturningonus,Summary,Overpopulation,Globalwarming(Industrialization/Urbanization),NaturalDisasters,Workinpairs.Oneasareporter,theotheranexpert:,earthquake,tsunami,forestfire,landslide,hurricane,flood,volcaniceruption,drought,catastrophe(巨大的灾难)，resultin(导致),wipeout(摧毁),falldown(倒塌),flee(逃走),beseparatedfrom(与分离),claimlife(夺去生命),thedestructionof(的毁灭)，havearough(艰难的)time,onagrandscale(大