英语听力教程第三版(张民伦主编)Unit1TheEarthatRisk听力原文

Unit1TheEarthatRiskPartGettingreadyenvironmentnaturalglobeprotectingattemptAmazon/'mzn/cutdownburningtreeremovalTheWorldWildlifeFundrainforesttowelsnylondefrostboilawaycutoutfullloadfridgelightingironRough-dry(kettlethermostatbrimwallfireringgrillsatelliteTheenvironmentisthenaturalworldofland,sea,air,plants,andanimalsthatexistsaroundtownsandcities.Sincethereisonlyoneglobewherewe'reliving,moreandmorepeoplehavecometorealizetheimportanceofprotectingthetotalglobalenvironment.AThefollowingwordsandphraseswillappearinthisunit.Listencarefullyandstudythedefinitions.1.viciouscircleasetofeventsinwhichcauseandeffect'followeachotherinacircularpattern2.monsoonseasontheseasonofheavyrainsthatfallinIndiaandneighboringcountries3.hygienethestudyandpracticeofhowtokeepgoodhealth,esp.bypayingattentiontocleanliness4.accelerate(causeto)moveorgofaster5.fossilfuelanynaturallyoccurringcarbonorhydrocarbonfuel,suchascoal,petroleum,peat,andnaturalgas,formedbythedecompositionofprehistoricorganisms6.latitudeameasureofrelativepositionnorthorsouthontheEarth'ssurface,measuredindegreesfromtheequator,whichhasalatitudeof0,withthepoleshavingalatitudeof90northandsouth.7.contaminationtheactofpollutingorthestateofbeingpolluted8.hierarchyasysteminwhichpeopleorthingsarearrangedaccordingtotheirimportance9.prioritysomethinggivenspecialorpriorattention10.watershedaridgeofhighgroundformingadividebetweentwodifferentdrainagebasinsorriversystemsortheregionenclosedbysuchadivideanddrainingintoariver,riversystem,orotherbodyofwater.BYouaregoingtohearashortspeech.Listencarefullyandwritedowntheenvironmentalissuesmentionedinthespeech.burningoftheforests/treeremoval(deforestation)/reductionoftheworld'srainforestsAudioscript:TheAmazonforestsaredisappearingbecauseofincreasedburningandtreeremoval.InSeptember,satellitepicturesshowedmorethan20000firesburningintheAmazon.Expertssaymostofthesefiresweresetbyfarmers.Thefarmerswereattemptingtoclearlandtogrowcrops.TheWorldWildlifeFundsaysanotherseriousproblemisthattoomanytreesintheAmazonrainforestarebeingcutdown.WorldWildlifeFundsaysthefiresshowtheneedforurgentinternationalactiontoprotecttheworld'srainforests.Thegroupwarnsthatwithoutsuchactionsomeforestscouldbelostforever.Nowadaysenergyistooexpensivetowaste.Itcoststhecountry,andyou,toomuch.Whathaveyoudonetoconserveexistingenergyresources?Herearesometipstohelpyouslimyourwastesaveenergy.Alwaysrememberthatenergysenseiscommonsense.CNowlistentosomesimpletipstohelpyousaveenergy.Completethedosanddon'ts.DosDon'tsRough-dryyourtowelsandnylonthings.Cutoutunnecessarylighting.Dowithoutawall-fireifyoucan.Defrostthefridgeregularly.Beforeusingyourwashingmachine,waituntilyou'veafullload.Cookacompletemealintheovenandsaveitontheringsandgrill.Don'tattempttoironeverything.Don'tturntheironuptoohigh.Don'tleavethekettletoboilaway.Don'tfillthekettletothebrimforonlyacupofteaDon'tputhotfoodinthefridge.Audioscript:Don'tattempttoironeverything.Rough-dryyourtowelsandnylonthings.Trustthethermostatonyourirondon'tturnituptoohigh.Don'tleavethekettletoboilaway.Anddon'tfillittothebrimforonlyacupoftea!Cutoutunnecessarylighting.Everylittlehelps.Saveitonheating.Dowithoutawall-fireifyoucan.Defrostthefridgeregularly.Icebuild-upwastesfuel.Don'tputhotfoodineitherifyoudo,thefridgehastoworkovertime.Itmakesenergysensetowaituntilyou'veafullloadbeforeusingyourwashingmachine.Cookacompletemealintheovenandsaveitontheringsandgrill.Roastchicken,veg,andbakedsweettofollow?Italladdsup.Themoreenergyyousave,themoremoneyyousave.That'sgoodhousekeeping!Whenwelistentotheweatherforecasts,weoftencomeacrosssometermsrelatedwiththeweather.Forexample,whatisacyclone?Whatisahurricane?Aretheythesame?Hereistheexplanation.DListentotheexplanationaboutdifferentweatherterms.Completetheinformationinthechart.NamePlaceTimeOceanstormNorthernpartofworld;nearequatorLatesummerorautumnCycloneNorthorsouthofequatorintheIndianOcean/TyphoonWesternPacificOceanortheChinaSea/HurricaneEasternPacificandAtlanticOcean/Audioscript:Majoroceanstormsinthenorthernpartoftheworldusuallydevelopinlatesummerorautumnoverwatersneartheequator.Theyareknownbyseveraldifferentnames.ScientistscallthesestormscycloneswhentheyhappenjustnorthorsouthoftheequatorintheIndianOcean.InthewesternPacificOceanortheChinaSea,thesestormsarecalledtyphoons.IntheeasternPacificandAtlanticOcean,theyarecalledhurricanes.PartIITheEarthatRisk(I)choppeddownnutrientsinstantlyrecycledclear-cutsoildriesupwashesthesoilawayariesexpandcontinentatriskstabilizeimpact;atanalarmingrateblowawaytheSaharaDesertunproductive;cutdownconsequentlyavailableMaligrasslandsintensiveagricultureintensiveagricultureregiontropicalranchescattle;beraisedexporttinnedmeatBrazilthesizeofBritainandFrancecombinedjungleanironoreminehardwoodluxuryfurnituredomesticanimalsfirewood;viciouscirclemakewayforconvertplantspeciesrareplantrainfallextinct;carbondioxideoxygencenturyinterviewDoyouknowwhathappenstoarainforestwhenthetreesarechoppeddown?About80%oftherainforestsnutrientscomefromtreesandplants.Thatleaves20%ofthenutrientsinthesoil.Thenutrientsfromth