Step by Step2000听力教程-3-答案Unit-4

Step by Step2000听力教程-3-答案

Unit4

PartIWorldNews:EarthandEnvironmentWarmingup

1.WhatisthepreciseheightofMountEverestaccordingtoNationalGeographicSociety'slatestmeasuring?

2.Whatisthelikelyimpactofclimatechangeaccordingtothenewresearch?

4.Whatdoesanewstudysayaboutreptiles?

wwSanDiego?6.WhatarecrewsdoingoffthecoastofMexico,about50milessouthof

7.Whatistheseriousthreatforplants?

8.HowseriouswerethewildfiresinFlorida?w.5.WhatdidthegovernorsfromColumbiacallfor?khd课后3.WhatisthetitleoftheconferenceinnorthernBrazil?答http://网案

Step by Step2000听力教程-3-答案

9.Whatisnowavailable?

10.WhatdoesaU.S.SpaceAgencystudyrecentlyfind?

Tapescript:

preciseheightoftheworld'stallestmountainat29,035feet.

2.Newresearchonthelikelyimpactofclimatechangesuggeststhatpreviouslythought.Adraftreportbyleadingclimatologistspredictshugeww

northernproblemsasaresultofafallingcropyieldintropicalandsubtropicalzones,andmorefloodsanddroughtintemperateandhumidregions.3.Morethan2,000delegatesfromaroundtheworldhavegatheredinBrazilforthethirdUnitedNationsConferenceonDesertification.Accordingtoexpertsalmostonethirdoftheworld'sdrylandiseitherdesertorrunstheriskofbecomingso.Morethan200w.damagetocropsinlow-lyingcoastalregionscouldbeworsethankhd课measuredinthe1950s.Inthiscase,aglobalpositioningsatelliteputthe后Everestanditissevenfeettallerthanwasthoughtwhenitwaslast答http://网案

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millionpeoplearedirectlyaffected.

4.Thedisappearanceanddeformityofamphibianssuchasfrogsandsalamandersfromrainforestsandmountainlakesworldwidehasattractedwide-spreadscientificattentionoverthelastdecade.Nowanewstudysaysreptilespeciesincludingturtles,snakes,andalligatorsareinevengreatertrouble.Twiceasmanyreptilesasamphibians,orsome100species,arecurrentlylistedasendangeredbytheWorldConservationUnion.Thestudysayshabitatlossanddegradation,pollution,disease,climatechange,andover-collectionforfood,petsanddrugsarethemajorthousandsofhectaresofillegalcokeandpoppyplantations.Atanewsconferencethegovernorscalledforadifferentapproachinthefightusedwereharmfultopublichealthandtheenvironment.

ww6.CrewsareworkingtocleanupahugeoilspilloffthecoastofMexico,about50milessouthofSanDiego.TheCoastGuardsaysabout110

thousandgallonsspiltThursdayduringafueltransferbetweenatankerandanon-shorefacility.

7.Muchattentionhasbeendevotedtothethreatenedanimalspecies.Butwhataboutplantswhicharethefundamentalbasesoflife?Oneineveryw.againsttheillegaldrugstrade,sayingthattheherbicidescurrentlybeingkhd课sharplycriticizedanAmerican-backedaerialoffensivetoeradicate后5.FourregionalgovernorsfromColumbia,onavisittoWashington,have答http://网案

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eightspeciesofplantsisthreatenedwithextinction.Sinceallfoodchainsbegininthesphereofplant'life,thisisbadnewsfortheanimalstoo,includinghumanswhodependonplantsnotonlyforfoodbutalsoformedicines,buildingmaterials,andothervitalpurposes.

8.WildfiresintheFloridaEvergladeshavebeencontainedafternearlyaweekofblazesthatconsumed65thousandhectaresinthesouthernpartofthestate.ThefireshadspreadtoalargelyunpopulatedareaoutsideEvergladesNationalPark,avastsaw-grassprairieteamingwithwildlifeandvegetation.AdroughtinfluencedbytheElNihoweatherpatternistoBoulderCountygottogetherwithlocalrecyclingandenvironmentalspecialiststoputtogetherthisfirst-everdirectory.Itincludesquickconservation,andmore.The$5costhelpsraisefundsforthesponsoringwwgroups.10.AU.S.SpaceAgencystudyfindsthatGreenlandismeltingaround

theedges.Thelosstotheworld'ssecondlargesticesheet--morethan50cubickilometersperyear--isenoughtoraiseglobalsealevelby0.13millimeters.NASAscientistBillKrabillsaysthedataindicatesaprocessofchangethatdocsnotimmediatelythreatencoastalregions.w.referencetogreenproductsandservicesforrecycling,xeriscaping,energykhd课available,calledthe"BoulderCountyGreenPages."TheRotaryClubsin后9.Anewlocaldirectoryfortheenvironmentally-awareisnow答http://网案

Step by Step2000听力教程-3-答案

PartII

A.Newsreports

Summary:

ThisnewsreportisaboutItwillleadtocatastrophicconsequencesunlessAnswerstothequestions:

wwTapescriptwillhavewhattheycallcatastrophicconsequencesinsomedevelopingnationsunlessglobalsolutionsarefoundsoon.Onehundredandfiftyexpertsaroundtheworldwilldiscussthewatersituationataconferencew.TheUNwaterexpertsarewarningthataseverewatershortagekhd课后答http://网案

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beginningMondayinGeneva.

AtopofficialfromtheWorldMeteorol6gicalOrganizationArthurAskewsaysthatbytheyear2025,almost1billionpeoplecouldbelivinginareassufferingfromascarcityofwater.Hesaysthenumbercoulddoublebythemiddleofthenextcentury.Mr.AskewsaysoneareawithseriouswaterproblemsistheMiddleEast.Buthesaysofficialsintheareaarealreadyworkingonwaystodealwiththesituation.

ExpertssaywatershortageproblemsalsocoulddevelopinpartsofAfricaandwesternAsiaaswellasnortheasternChina,westernandthatlargeamountsofwaterareusedoftenwastefullyinfoodproductionandmanufacturing,

youmustbeawarethereforethatifyou'reimportingfoodfromonewwcountrytoanotheryouareinfactimportingpartofthewaterresourcesofthatcountry.'

Mr.Askewalsosayswatershortagesleadtoaconflictbetweenruralandurbandemands.

"Inmanyregionsoftheworld,thewatercrisisisnotcomingbecauseofhumanconsumptiondirectlyforpotablewater,fordrinking,orw."Allcommoditieshaveusedwaterintheirproductionandkhd课moralobligationtotreatwaterasapreciousresourceandaneedtorealize后coastoftheUnitedStatesandSouthAmerica.Mr.Askewsaysthere'sa答southernIndia,largepartsofPakistanandMexico,http://网案

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forsanitarypurposes,it'scomingforagriculture.Andingeneralabout80percentofthewater,whichisconsumed,i.e.,isextractedfromtheriversorfromundergroundresourcesandisnotreturn …… 此处隐藏：12114字，全部文档内容请下载后查看。喜欢就下载吧 ……