大学英语听力教程第三册答案主编张民伦精编版.docx
《大学英语听力教程第三册答案主编张民伦精编版.docx》由会员分享，可在线阅读，更多相关《大学英语听力教程第三册答案主编张民伦精编版.docx（17页珍藏版）》请在冰豆网上搜索。
大学英语听力教程第三册答案主编张民伦精编版
《英语听力教程3》答案与听力材料
呵呵....考试一路顺风......
UNIT1
A.
B.Keys:
PartIGettingready
1:
burningoftheforests/treeremoval（deforestation）/reductionoftheworld'srainforests
2:
globalwarming/greenhouseeffect/emissionsofCO2
PartIITheEarthatrisk（I）
A.Keys:
1.
a.Morepeople--------?
morefirewood----?
fewertrees
b.Moredomesticanimals------?
moreplants-----?
feweravailableplants
a,b--?
Moredesert----?
movesouth-----?
desrttexpandingsouth----?
nograss
2.Growingcropsstabilizesoil,withoutthemthetopsoiljustblowsaway.Butifthereisn'tenoughrainthecropsdon'tgrow.
3.Peopletrytogrowfoodtosupportthemselvesortocreaterancheswherecattlecanberaised,ortogethardwoodforexport,ortomakewayforanironoremine
B.Keys:
1:
SaharaDesert
2:
NorthAmerica&mostofEurope
3:
topsoilblowingaway
4:
tropicalforestsdestruction
5:
animal/plantspeciesbecomingextinct
6:
climatechangeforthewholeworld
PartIIITheEarthatrisk（II）
A.Keys:
1:
Treeswouldholdrainfallintheirroots.Whenforestsinthehigherup-riverhavebeendestroyed,alltherainthatfallsinthemonsoonseasonflowsstraightintotheriverandstartstheflooding.
2:
Heimpliesthatsomenationalgovernmentsjustconsidertheresultsoftheirpoliciesinthenearfuture,orjustthinkasfaraheadasthenextelection.
B.Keys:
1:
floodinginBangladesh
2:
Actiontobetaken
3:
populationcontrol
PartIVMoreaboutthetopic:
TheEffectsofGlobalWarming
Keys:
1:
Warmingupoftheworld
2:
Effectsofglobal
3:
reducedpotentialforfoodproduction
4:
changeofpatternsofhear-relatedfoodpoisoning,etc.
PartVDoyouknow…?
A.Keys:
1:
F2:
F3:
F4:
F5:
T
B.Keys:
Dos1:
yourtowels2:
Cutout3:
awall-fire4:
fridge5:
waituntilyou'veafullload
6:
acompletemeal
Don’ts7:
ironeverything8:
theironup9:
thekettle10:
tothebrim
11:
hotfood
Unit2
PartIGettingready
A.
B.Keys:
1:
InternationalUnionfortheConservationofNature,
UnitedNations,wildlife,policies
2:
ConventiononInternationalTradeinEndangeredSpecies,
trade,animalsandplants,1975,prohibits,8000,controls,
30000
3:
UnitedNationsEnvironmentalProgram,
leadership,environment,qualityoflife
4:
WorldWideFundforNature（formerlyWorldWildlifeFund）,
1961,SaharaDesert,NorthAmerica&mostofEurope,
topsoilblowingaway
C.Keys:
1:
22:
43:
54:
1,65:
3
Questions:
1:
Theyworktoconservenaturalareasthatcontainendangeredwildlife
2:
Theyarecampaigningtoprovideseasanctuariesforsomeoftheseendangeredspecies.Protected-nestingsitesforturtleshavebeensetup
3:
Itreferstotheplacesofsafetyintheseawhereseaanimalsareprotectedandallowedtolivefreely
PartIIChristmasbirdcounts
A.Keys:
1:
Jan.3rd2:
morethan40000volunteers3:
16004:
a15milediameter
5:
anAmericanartist6:
theirnaturalhabitats7:
thelate1800s
B.Keys:
1:
start2:
sponsored3:
outsidecountingbirds4:
experiencedbirdwatchers
5:
anyonethatisinterestedorconcerned6:
scheduled7:
10peopletakingpart
8:
15milediametercircle9:
thetotalbirdpopulations10:
thenumberofbirds
11:
thelongest-runningbirdcensus12:
undefined
PartIIIDolphincaptivity
A.
B.Keys:
1:
12:
33:
44:
55:
2
6:
Dolphinsshouldbekeptincaptivity.
7:
Thereareeducationalbenefitsofkeepingmarinemammalsincaptivity.
C.Keys:
1:
stress（family-oriented）2:
sonarbouncingoff
3:
averageageofdeath;lifegettingbetterforcaptivedolphins
4:
naturalbehabiorpatterns-altered
5:
sufferingfromfracturedskulls,ribsorjaws
6:
can'tlearnfromanimalsinthewildhowtheyoperate,breed,whattheyneed,etc.
PartIVMoreaboutthetopic:
Birds----ASourceofWealth
Keys:
1：
93002：
Habitat3：
warmerclimates4：
300differentspecies
5：
colderclimates6：
habitatalteration7：
estheticvalue8：
Birds'population
PartVDoyouknow…?
Keys:
1:
oneandone-halfmillion2:
20times
3:
1004:
400005:
65million
6:
35007:
2millionsquaremiles8:
3%
9:
200animalspecies10:
1000
11:
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
Questions:
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,thereareexpectedto
升级会员 