大学英语听力教程第三册答案主编张民伦Word文件下载.docx
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Moredesert----?
movesouth-----?
desrttexpandingsouth----?
nograss
2.Growingcropsstabilizesoil,withoutthemthetopsoiljustblowsaway.Butifthereisn'
tenoughrainthecropsdon'
tgrow.
3.Peopletrytogrowfoodtosupportthemselvesortocreaterancheswherecattlecanberaised,ortogethardwoodforexport,ortomakewayforanironoremine
SaharaDesert
NorthAmerica&
mostofEurope
3:
topsoilblowingaway
4:
tropicalforestsdestruction
5:
animal/plantspeciesbecomingextinct
6:
climatechangeforthewholeworld
PartIIITheEarthatrisk（II）
Treeswouldholdrainfallintheirroots.Whenforestsinthehigherup-riverhavebeendestroyed,alltherainthatfallsinthemonsoonseasonflowsstraightintotheriverandstartstheflooding.
Heimpliesthatsomenationalgovernmentsjustconsidertheresultsoftheirpoliciesinthenearfuture,orjustthinkasfaraheadasthenextelection.
floodinginBangladesh
Actiontobetaken
populationcontrol
PartIVMoreaboutthetopic:
TheEffectsofGlobalWarming
Keys:
Warmingupoftheworld
Effectsofglobal
reducedpotentialforfoodproduction
changeofpatternsofhear-relatedfoodpoisoning,etc.
PartVDoyouknow…?
F2:
F3:
F4:
F5:
T
Dos1:
yourtowels2:
Cutout3:
awall-fire4:
fridge5:
waituntilyou'
veafullload
acompletemeal
Don’ts7:
ironeverything8:
theironup9:
thekettle10:
tothebrim
11:
hotfood
Unit2
InternationalUnionfortheConservationofNature,
UnitedNations,wildlife,policies
ConventiononInternationalTradeinEndangeredSpecies,
trade,animalsandplants,1975,prohibits,8000,controls,
30000
UnitedNationsEnvironmentalProgram,
leadership,environment,qualityoflife
WorldWideFundforNature（formerlyWorldWildlifeFund）,
1961,SaharaDesert,NorthAmerica&
mostofEurope,
C.Keys:
22:
43:
54:
1,65:
3
Questions:
Theyworktoconservenaturalareasthatcontainendangeredwildlife
Theyarecampaigningtoprovideseasanctuariesforsomeoftheseendangeredspecies.Protected-nestingsitesforturtleshavebeensetup
Itreferstotheplacesofsafetyintheseawhereseaanimalsareprotectedandallowedtolivefreely
PartIIChristmasbirdcounts
Jan.3rd2:
morethan40000volunteers3:
16004:
a15milediameter
anAmericanartist6:
theirnaturalhabitats7:
thelate1800s
start2:
sponsored3:
outsidecountingbirds4:
experiencedbirdwatchers
anyonethatisinterestedorconcerned6:
scheduled7:
10peopletakingpart
8:
15milediametercircle9:
thetotalbirdpopulations10:
thenumberofbirds
thelongest-runningbirdcensus12:
undefined
PartIIIDolphincaptivity
12:
33:
44:
55:
2
Dolphinsshouldbekeptincaptivity.
7:
Thereareeducationalbenefitsofkeepingmarinemammalsincaptivity.
stress（family-oriented）2:
sonarbouncingoff
averageageofdeath;
lifegettingbetterforcaptivedolphins
naturalbehabiorpatterns-altered
5:
sufferingfromfracturedskulls,ribsorjaws
can'
tlearnfromanimalsinthewildhowtheyoperate,breed,whattheyneed,etc.
Birds----ASourceofWealth
1：
93002：
Habitat3：
warmerclimates4：
300differentspecies
5：
colderclimates6：
habitatalteration7：
estheticvalue8：
Birds'
population
oneandone-halfmillion2:
20times
1004:
400005:
65million
35007:
2millionsquaremiles8:
3%
9:
200animalspecies10:
1000
athird12:
two-thirds13:
three-quarters
Unit3ElNino?
LaNina?
PartI
D.warmer/greenhouseeffect/sealevels/climatezones
As1998endsandpeoplelookforwardtothelastyearofthecentury,theWorldAlmanacspokewithexpertsaboutwhatcomesnext.Almanaceditorialdirectorsaystheexpertsbelievethenextcenturywillbringlotsofchanges.
Warm,ofcourse,thatourclimateisgoingtocontinuegettingwarmer.That’sthesubject,bytheway,ofanothernewarticleonthe1999WorldAlmanac.Thegreenhouseeffect,exactlywhatcausesit,andwhatstepstobetakento,perhapstoalleviateglobalwarmings.I’veseenrecentlythat1998isgoingtogodownasthewarmestyeareveronrecord.Andsothat’sgoingtobeamajorissueofthenextcentury,andpossibletremendousconsequencesoftheglobalwarmings,whetheritisrisingsealevelsaffectingthecoastalareas;
changesinclimatezonesaffectingwhatcropscanbegrown,andinwhatregions.Thisispotentiallyaverysignificanttrendtobewatched.
E.Cyclone:
Northorsouthofequator/Typhoon:
/Hurricane:
EasternPacific
Majoroceanstormsinthenorthernpartoftheworldusuallydevelopinlatesummerorautumnoverwatersneartheequator.Theyareknownbyseveraldifferentnames.ScientistscallthesestormscycloneswhentheyhappenjustnorthorsouthoftheequatorintheIndianOcean.InthewesternPacificOceanortheChinaSea,thesestormsarecalledtyphoons.IntheeasternPacificandAtlanticOcean,theyarecalledhurricanes.
PartII
A.Outline1.A.weatherpattern/globalclimate
B.1.twiceadecade2.12-18monthsC.1.warmerweather/2.wetterthanusual/drierD.thedeclineofwindsII.1.droughts
B.acyclicweatherpattern/abouttwiceadecade/wetter/drier/coldwaterawayfromSouthAmerica’swest/toexpandeastwardtowardtheAmerica’s/moveeastwardtoo/theweatheraroundtheworld/droughts/rainsandflooding/ontheSouthAmericanfishingindustry/tobecomedepletive/thestrengthofit/
PartIIILickObservatory
B.location:
anhour’sdrive/summit/
Originofthename:
awealthybusinessman
Size:
onemeterdiameter/second
Time:
1888
Presentfunction:
research/aneducationaltool
C.wayofobservation:
humaneyes;
inthecold/TVscreen
Gainsandlosses:
Romance/thesky/efficiency/reality/universe
1.BecauselickObservatoryisnear“SiliconValley”,aregionofthestateshigh-technology.
2.BecauseLickObservatorywasbuiltonhisestateandhewasburiedatthebaseofthetelescopeatthiswonrequest.
3.Byusingthe19thcenturytelescope,youhaveafeelingofromancewithdirectviewingwiththehumaneyes.Bysingthemoderndevices,youlosethatromancebutgaintheefficiency.That’sanexchange.
PartIV.ThenationalclimaticDataCenter.
A.Outline
I.A.1951B.headquartersC.satellites,radar,solarradiationsystem,airplanes,ships
II.B.collectingweatherrecordsfromaroundtheworldD.publicationsaboutearthenvironment.E.requestsfroinformationfromallovertheworld.
B.questions.
1.TheDepartmentofDefense,theNationalWeatherService,thecoastguard
2.TheofficehaswrittenweatherobservationsmadebyearlyAmericandiplomatBenjaminFranklinandbythethirdPresidentoftheU.S.
3.Youcangettheinformationbycomputer,microfilmandtelephone
4.Americancities.Anotherpublicationhasmonthlyreportsfrom1500observationstationsaroundtheworld.
5.Thecenterhadmorethan900,000requestsfromgovernmentofficials,businessowners,
Unit4ReportsonDisasters&
Accidents
PartI.
1.firebomb/shopping/several/
2.1,000tornadoes
3.carferry/takenover/GreenActionFront
4.SouthKorea/270/thousands
5.robbed/5/lunchtime/10,000
6.hurricane/100/twenty/100
7.Hijacked/Tuesday
PartII.Hurricanes&
tornadoes
A.1.astorm2.about20003.thewindswereupto75milesanhour4.theIndianarmy5.destroyed/links/collapsed6.morethan40people7.over100,000people
Largenumbersofvillageshavebeencompletelycutoff.Theofficialsaidthedeathtollcouldreach2000.theIndianarmyhasbeencalledintohelpthereliefeffort.FromDeli.HereisDavidWillis.
Thestormwithwindsofupto75milesanhourstruckIndia’ssoutheastcoast,flatteninghomes,destroyingcropsandcuttingtransportlinks.Eyewitnessesreportedtidalwavesmorethan12feethigh.Thestormwasfollowedbytorrentialrains,whichsweptawayroadsandrailwaylines,andfloodedlowlyingareas.Morethan40peoplearethoughttohavediedwhenaferrysank.Butmostofthedeathshavebeenduetoflooding,housescollapsingorelectrocutions.Morethan100,000peoplehavebeenevacuatedfromtheirhomesandaretakingshelterinreliefcamps.Aftersurveyingthefloodedareabyhelicopter,thechiefministersaiditresembledaburialground.He’sappealedtothefederalgovernmenttotreattheincidentasanationalcalamity.DavidWillis.
B.1.Theworstoftheheavyrainsandthunderstormsappearstobeover
2.inpartsofEurope
3.Duringthepastweek
4.Affected
5.Atleastfive
6.becauseemergencywarningswereissuedbefore.
C.1.c2b3.d4.b
NinehoursGreenwichMeanTime.ThenewsreadbyWendyGordon.TheworstoftheheavyrainsandthunderstormsthathavebeensweepingpartsofEuropeduringthepastweekappearstobeover.ExceptionallyheavyrainfallbroughtfloodingtomanypartsofGermany,Switzerland,NorthernItalyandFranceandchaostorailandroadtransport.Althoughmostflightsareexpectedtobebacktonormalbythistimetomorrow,thereareexpectedtobe
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