《英语听力教程3》听力原文与答案Word下载.docx
- 文档编号:17280293
- 上传时间:2022-11-30
- 格式:DOCX
- 页数:31
- 大小:47.82KB
《英语听力教程3》听力原文与答案Word下载.docx
《《英语听力教程3》听力原文与答案Word下载.docx》由会员分享,可在线阅读,更多相关《《英语听力教程3》听力原文与答案Word下载.docx(31页珍藏版)》请在冰豆网上搜索。
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
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
Tapescript
B.
1.TheAmazonforestsaredisappearingbecauseofincreasedburningandtreeremoval.InSeptember,satellitepicturesshowedmorethan20000firesburningintheAmazon.Expertssaymostofthesefiresweresetbyfarmers.Thefarmerswereattemptingtoclearlandtogrowcrops.TheWorldWildlifeFundsaysanotherseriousproblemisthattoomanytreesintheAmazonrainforestarebeingcutdown.TheWorldWildlifeFundsaysthefiresshowtheneedforurgentinternationalactiontoprotecttheworld'
srainforests.Thegroupwarnsthatwithoutsuchactionsomeforestscouldbelostforever.
2.EnvironmentalissuesswelltothefullinBerlinthisweek,fortheUNspongsoredconferenceonglobalwarmingandclimatechangeisthefirstsuchmeetingsincetheRiosummitthreeyearsago.WithscientistsandgovernmentsnowgenerallyreadytoacceptthattheearthclimateisbeingaffectedbyemissionsofCO2andothergreenhousegases,overahundredcountriesaresendingdelegations.ButhowmuchprogresshasbeenmadeimplementingthegreenhousegasreductiontargetagreedonatRio?
SimonDaryreports...
I(Interviewer):
BrianCowlesistheproducerofanewseriesofdocumentariescalled"
TheEarthatRisk"
whichcanbeseenonChannel4laterthismonth.Eachprogramdealswithadifferentcontinent,doesn'
tit,Brian?
B(BrianCowles):
That'
sright.WewenttoAmerica,bothNorthandSouthandthenwewentovertoAfricaandSouth-EastAsia.
I:
Andwhatdidyoufindineachofthesecontinents?
B:
StartingwithAfrica,ourfilmshowstheimpactofthepopulationontheenvironment.Generallyspeaking,thishascausedtheSaharaDeserttoexpand.It'
sabitofaviciouscirclewefind.Peoplecutdowntreesforfirewoodandtheirdomesticanimalseatalltheavailableplants—andsoconsequentlytheyhavetomovesouthastheSaharaDesertexpandsfurthersouth.Imean,soonthewholeofMaliwillbecomeadesert.AndinEastAfrica:
herethegrasslandsaresupportingtoomanyanimalsandtheresultis,ofcourse,there'
snograss—nothingfortheanimalstoeat.
Isee.AndthenextfilmdealswithNorthAmerica?
sright.IntheUSA,asyouknow,intensiveagriculturerequiresaplentifulsupplyofrainforthesecropstogrow,Imeanifthereisn'
tgrow.Andgrowingcropsstabilizesoil,withoutthemthetopsoiljustblowsaway.Thisisalsotrueforanyregionthatisintenselyfarmed—mostofEurope,forexample.
AndwhatdidyoufindinSouthAmerica?
InSouthAmerica(asinCentralAfricaandSouthernAsia)tropicalforestsarebeingcutdownatanalarmingrate.ThisisdonesothatpeoplecansupportthemselvesbygrowingfoodortocreaterancheswherecattlecanberaisedtobeexportedtoEuropeorAmericaastinnedmeat.Theproblemisthatthesoilissopoorthatonlyacoupleofharvestsarepossiblebeforethisverythinsoilbecomesexhausted.Anditcan'
tbefedwithfertilizerslikeagriculturallandinEurope.
Forexample,inBrazilin1982anareaofjunglethesizeofBritainandFrancecombinedwasdestroyedtomakewayforanironoremine.HugenumbersoftreesarebeingcutdownforexportsashardwoodtoJapan,Europe,USAtomakethingslikeluxuryfurniture.Theseforestscan'
tbereplaced—theforestsoilisthinandunproductiveandinjustafewyears,ajunglehasbecomeawasteland.Tropicalforestscontainrareplants(whichwecanuseformedicines,forexample)andanimals—oneanimalorplantspeciesbecomesextincteveryhalfhour.Theseforesttreesalsohaveworldwideeffects.Youknow,theyconvertcarbondioxideintooxygen.Theconsequenceofdestroyingforestsisnotonlythattheclimateofthatregionchanges(becausethereislessrainfall)butthischangeaffectsthewholeworld.Imean,overhalftheworld'
srainforesthasbeencutdownthiscentury.
So,Brian,wouldyouagreethatwhatwegenerallythinkofasnaturaldisastersareinfactman-made?
Yes,byandlarge.Imean,obviouslynothurricanesorearthquakes,buttakeflooding,forexample.Practicallyeveryyear,thewholeofBangladeshisfloodedandthisisgettingworse.Youknow,thecauseisthatforestshavebeencutdownupinNepalandIndia,Imeanhigherup-riverintheHimalayas.Treeswouldholdrainfallintheirroots,butifthey'
vebeencutdownalltherainthatfallsinthemonsoonseasonflowssraightintotheriverGangesandfloodsthewholecountry.ThereasonforfloodinginSudanisthesame—theforestshigheruptheBlueNileinEthiopiahavebeendestroyedtoo.
Well,thisallsoundsterriblydepressing.Um...Whatistobedone?
Imean,cananythingbedone,infact?
Yes,ofcourseitcan.First,thenationalgovernmentshavetobeforward-lookingandconsidertheresultsoftheirpoliciesintenortwentyyears,notjustthinkasfaraheadasthenextelection.Somehow,allthecountriesintheworldhavetoworktogetheronaninternationalbasis.Secondly,thepopulationhastobecontrolledinsomeway:
therearetoomanypeopletryingtoliveofftoolittleland.Thirdly,wedon'
tneedtropicalhardwoodtomakeourfurniture—it'
saluxurypeopleintheWestmustdowithout.Softwoodsarejustasgood,lessexpensiveandcanbeproducedonenvironment-friendly"
treefarms"
wheretreesarereplacedatthesameratethattheyarecutdown.
And,presumably,educationisimportantaswell.Peoplemustbeeducatedtorealizetheconsequencesoftheiractions?
Yes,ofcourse.
Well,thankyou,Brian
B.
So,Brian,wouldyouagreethatwhatwegenerallythinkofas...er...aser...naturaldisastersareinfactman-made?
Yes,byandlarge...er...Imean,obviouslynothurricanesorearthquakes,buttakeflooding,forexample.Imean,practicallyeveryyear,thewholeofBangladeshisfloodedandthisisgettingworse.Youknow,thecauseisthatforestshavebeencutdownupinNepalandIndia...Imean...higherup-riverintheHimalayas.Trees...er...wouldholdrainfallintheirroots,butifthey'
vebeencutdownalltherainthatfallsinthemonsoonseasonflowsstraightintotheriverGangesandfloodsthewholecountry.ThereasonforfloodinginSudanisthesame—theforestshigheruptheBlueNileinEthiopiahavebeendestroyedtoo.
Well,thisallsoundsterriblydepressing.Um...whatistobedone?
Yes,ofcourseitcan...er...first,thenationalgovernmentshavetobeforward-lookingandconsidertheresultsoftheirpoliciesintenortwentyyears,notjustthinkasfaraheadasthenextelection.Somehow,allthecountriesintheworldhavetoworktogetheronaninternationalbasis.Secondly,thepopulationhastobecontrolledinsomeway:
And,presumably,educationisimportantaswell.Peoplemustbeeducatedtorealizetheconsequences...um...oftheiractions?
Yes,yesofcourse.
Well,thankyou,Brian.
Theworldiswarmingup.Weknowthisbecauseaveragetemperaturesarethehighestsincescientistsstartedmeasuringthem600yearsago.Theincreaseisabout0.2℃everyyear.Thismayseemveryslight,butweknowthatslightchangesintemperaturecanhaveabigeffectonotherthings.Mostscientistsnowbelievethisglobalwarmingisduetohumanactivity.
JeffJenkinsisheadofBritain'
sClimatePr
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 英语听力教程3 英语听力 教程 听力 原文 答案