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

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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

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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.,isextractedfromtheriversorfromundergroundresourcesandisnotreturned,isforagriculture.Andthere'sconsiderablepressurenowontheagriculturalsectorstoseeiftheycannotusethatwatermoreefficiently."

Mr.Askewsaysit'sestimatedthatapersonneedsabout5litersofwateradaytosurvive,andapersonlivescomfortablywithabout50litersaday.Buthesayspeopleinmanycountriesareusing500litersofwatereachday.Hesayswaysmustbefoundtoreducesuchoverusebeforeit's

2.Whenwilltheconferencebegin?

3.Whatwouldthesituationbelikeintheyear2025accordingtoArthur

4.Inwhichareascouldwatershortageproblemsmostprobablydevelop?ww

B.5.WhatisthemoralobligationputforwardbyArthurAskew?6.Howmuchwaterdoesapersonneedadaytosurvive?7.Howmuchwaterdoesapersonneedadaytolivecomfortably?8.Howmuchwaterarepeopleinmanycountriesnowusingeachday?w.Askew?

AnannualstudybytheWorld-watchInstituteinWashingtonsayskhd课1.HowmanyexpertswillattendtheconferenceinGeneva?后Questions:答http://网案

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withtheboomintheinformationeconomy,Americanshavelostsightofthedeterioratinghealthoftheplanet~Thefastgrowinginformationeconomyisaffectingeveryaspectoflife,fromcommunication,commerceandwork,toeducationandentertainment.TheWorld-watchInstitutegivestheearthanannualphysicalexam.Accordingtothisyear'sresult,almostallthosevitalsignsofthehealthoftheearth,includingthenumberofspecies,thestabilityofclimate,thehealthofcoralreefs,showdeterioration.Otherwarningsignsarerisingtemperatures,fallingwatertables,meltingglaciers,shrinkingforestsandcollapsingfisheries.The

AnannualstudybytheWorld-watchInstitutehereinWashingtonsayswiththeboomintheinformationeconomy,Americanshavelostsightwwisaffectingeveryaspectoflife,fromcommunication,commerceandwork,toeducationandentertainment.

LeadauthorandWorld-watchPresidentLesterBrownsayswhileAmericansgenerallyfeelasenseofoptimismabouttheeconomy,theplanet'shealthissuffering.Hesaysitisamistake"toconfusethevibrancyofthevirtualworldwiththeincreasinglytroubledstateoftherealworld."w.ofthedeterioratinghealthoftheplanet.StateoftheWorld2000saysthefastgrowinginformationeconomykhd课Tapescript.后bothclimateandworldpopulationgrowth.答http://网案

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"Wegivetheearthanannualphysical,andthisbookistheresultofthatannualphysical.Wecheckitsvitalsigns.Andalmostallthosevitalsigns,whetherit'sthenumberofspecies,whetherit'sthestabilityofclimate,whetherit'sthehealthofcoralreefs,allthosetrendsshowdeterioration."

LesterBrownsaysotherwarningsignsarerisingtemperatures,fallingwatertables,meltingglaciers,shrinkingforestsandcollapsingfisheries.Hesaysthemajorenvironmentalchallengesinthe21stcenturywillbetostabilizebothclimateandworldpopulationgrowth.

governmentofIcelandtoturnthatcountryintothefirsthydrogenpoweredeconomy.

C.

Golfcoursew.

wwexcessive

water

greens

fairways

constructiongroomingkhd课example,Daimler-ChryslerandShellOilareworkingwiththe后initiativesbymultinationalcorporationstoseekenergyalternatives.For答http://网Wildlifehabitatskilldeereggsred-tailhawksfoxesdeergreathornedowls案

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haltedblueherons

coyotes

mmary:SuSummarmmary:

ThisnewsreportisaboutTapescript:

Golfcoursesandtheenvironmenthavehistoricallybeenatodds.It'shardtoreconcilethecarefulgroomingandexcessivewaterneededforhawkswerealsobornduringtheconstructionofFoxHollow.However,thegolfcoursehasrecentlywonanawardforitsrelativelylowimpactandLakewood's27-holeFoxHollowcourseblendswellwithBearCreekww

PartIII

http://ke'sgrasslands,andthelandstillhostsfoxes,deer,greathornedowls,blueherons,coyotes,andotherwildlife.OnlythreeEnvironmentalStewardAwardsaregivenouteachyear,soLakewoodofficialsareprettyexcitedabouthelpingsetthestandardforgolfcourseswithasofttouch.Cityrecyclingw.sustainedwildlife.TheGolfCourseSuperintendentsofAmericasaykhd课temporarilyhaltedsosomekilldeereggscanhatch.Apairofred-tail后point,Lakewood'sFoxHollowGolfCoursehaditsconstruction答http://网案

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(2)a.TheworkattheFCRprocessingcenter

(4)b.ThesuccessofCharlotte'srecyclingprogram

(3)c.WhathappenstotherecyclablesfromFCR

(1)d.CatherineSmith'srecyclablegarbage

B.

Processofsortingtherecyclables:

(3)a.Peoplesortthroughthegarbage.

(1)b.Thegarbageispiledinamoundofassortedtrash.

(5)c.Bottlesandcanscometothesortingstation.

(7)g.Bottlesandcansaredroppeddownachuteintoacontainer.Questions:

ww

C.2.Whathappensattheprocessingcenterwherethematerialisbrought?3.Whathappenstothematerialsoncetheyaresortedandprocessed?4.WhathavebeenthesuccessesandthebenefitsofrecyclingforCharlotte?

1.Howmanyhouseholdsareeligibletoparticipateintherecyclingw.howisitdone?1.WhatrecyclinggoesoninhouseholdsinCharlotte7Whorecyclesandkhd课(2)f.Forkliftsmovethegarbage.后(6)e.Twelveworkershand-sortthebottlesandcans.答(4)http://网案

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program?

2.WhataresomeoftheitemsthatCatherineSmithputintoherredrecyclingbin?

3.WhathappensafterCatherineputsoutherbin?

4.Wheredoestherecyclablematerialgoafteritispickedup?

6.WhatdoesPaulaHoffmandoattherecyclingcenter?

ww8.Ofallthematerialbroughttothecenter,howmuchisnewsprint?

Whathappenstoit?

9.WhathappenstothesortedandprocessedrecyclablesatFCR?w.area?7.Howmuchmaterialisreceivedeachdayandputintothecomminglekhd课后FCR?答http://网案

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10.Whatalwayshappenstotheusedfoodandbeveragecontainers?11.HowsuccessfulisCharlotte'srecyclingprogram?

Tapescript

TheUnitedStatesisrunningoutoflandfillspace,placestoputitstrash.Becauseofthat,morecommunitiesareencouragingtheirresidentstorecycle,tosetasidecertainmaterialsthatwon'tgotothelandfill.Oneareathat'smettherecyclingchallengehead-on,isthesoutheastCityofhouseholdsinCharlotte,NorthCarolina.Nearly80percentofthehouseholdsparticipateintheprogram.Eachweek,Smithgoestoherfrontcontainersmarkedoneortwo.You'vegotanyglass.Theyalsorecycletinwwnext?"cansandnewspapers.Soallofthatcangointhecurbsidepick-upbin.""Well,you'vegoteverythingouthereonthecurb.Whathappens

Mecklenburg'RecycleNow~truckcomesand,usually,atsomepoint--tomorroworFriday--andtheypickitupatcurbside.Andthat'sit."w.porchandfillsherredplasticbinwithrecyclables."You'vegotanyplastic"Well,thisistheeasypart.Thensomeone,ah,drivingaCharlottekhd课CatherineSmithlivesinoneofthe130,000eligiblerecycling后becomeoneofthecountry'smostsuccessful.答Charlotte,NorthCarolina.Injustafewyears,http://网案

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Fromthere,Smith'scans,bottles,andnewspapersaretakentooneofthecommunity'srecyclingcenters.TheCityofCharlotteactuallycontractswithaprivatecompanytoprocesstherecyclables.

ThisplantisoperatedbyacompanycalledFCR.TherecyclingtruckspullintoFCReachweekdaymorningtodropofftheusedmaterial.Inside,theprocessingcenteratFCRisbustlingwithactivity.Oneofthefirstthingsyounoticeinthe26,000square-footfacilityisahugemoundofmaterialscalledthe"comminglearea."Basically,it'sabigpileofassortedtrash.Thereareforkliftstransportinggarbage,andpeoplesortingthroughcontainers,thespiralcans,theglassbottlesandjarsareallmixedtogetherintoahugepile.And...wearereceivingabout100tonsaday,whichisthatpile."

wwbelt,andthey'llenduponasortingstation,wheretherearetwelve

workersthatwillhand-sortthebottlesandcansandothercontainers.Asyoucansee,fromthesortingstation,theydroptheirmaterialdownachuteintoalargecontainerbelow.Thesortingstationisonaraisedw.200,000pounds,soyoucanimaginehowmanybottlesandcansarein"Canwewalkaroundalittlebit?""Asyoucansee,thebottlesandcansareridinguptheconveyorkhd课"Thealuminumcans,thenumberoneandnumbertwoplastic后theplantformorethanonethousandpeopleamonth.答http://网案

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platform.

Acrossfromthesortersandthecommingleareaisamoundofnewspaper.OfthematerialbroughttoFCR,threequartersofitisnewsprint.Itridesaseparateconveyorbelt,ischecked,andiscompactedintobales,11to12hundredpoundseach.BackinthequietofFCR'sauditorium,PaulaHoffmandescribeswhathappenstothesortedandprocessedrecyclablesthecompanyreceivesfromCatherineSmithandthethousandsofotherarearesidents.Hoffmansaysthey'resoldtoothercompaniesthatthenmakethemintodifferentproducts.

Twentyfivepercentofallbeverage,Coca-Cola,PepsibottlesarenowmadeintonewPepsiorCokebottles.However,acertainpercentageisalsoyournumbertwoplastic..,alotofit'smadeintoplasticwood."ww

nation.recyclablestotheirprogramaslongasthere'saneedfortherecycledmaterial.Fromitshighparticipationratetothequalityendproduct,Charlotte'srecyclingprogramisconsideredoneofthetopfiveinthew.madeintootherproductssuchasthefuzzonatennisball,carpeting...Charlotte,thesurroundingcounty,andFCRaregladtoaddnew

Butultimately,thesuccessoftheCharlottearearecyclingprogramkhd课biggestpercentageofthetime,madeintonewaluminumbeveragecans.后foodandbeverageglasscontainers.Youraluminumbeveragecansare,the答"http://网案

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canbetracedtothecurbsidesofthemanyindividualcitizenswho,likeCatherineSmith,areactiveparticipantsintheprogram.

www.khd课http://网后答案