《英语听力教程3》听力原文与答案.doc

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1、《英语听力教程3》答案与听力材料UNIT1PartIGettingreadyA.B.Keys:1:burningoftheforests/treeremoval(deforestation)/reductionoftheworld'srainforests2:globalwarming/greenhouseeffect/emissionsofCO2PartIITheEarthatrisk(I)A.Keys:1.a.Morepeople--------àmorefirewood----àfewertrees

2、b.Moredomesticanimals------àmoreplants-----àfeweravailableplantsa,b--àMoredesert----àmovesouth-----àdesrttexpandingsouth----ànograss2.Growingcropsstabilizesoil,withoutthemthetopsoiljustblowsaway.Butifthereisn'tenoughrainthecropsdon'tgrow.3.Peopletrytogrow

3、foodtosupportthemselvesortocreaterancheswherecattlecanberaised,ortogethardwoodforexport,ortomakewayforanironoremineB.Keys:1:SaharaDesert2:NorthAmerica&mostofEurope3:topsoilblowingaway4:tropicalforestsdestruction5:animal/plantspeciesbecomingextinct6:climat

4、echangeforthewholeworldPartIIITheEarthatrisk(II)A.Keys:1:Treeswouldholdrainfallintheirroots.Whenforestsinthehigherup-riverhavebeendestroyed,alltherainthatfallsinthemonsoonseasonflowsstraightintotheriverandstartstheflooding.2:Heimpliesthatsomenationalgover

5、nmentsjustconsidertheresultsoftheirpoliciesinthenearfuture,orjustthinkasfaraheadasthenextelection.B.Keys:1:floodinginBangladesh2:Actiontobetaken3:populationcontrolPartIVMoreaboutthetopic:TheEffectsofGlobalWarmingKeys:291:Warmingupoftheworld2:Effectsofglob

6、al3:reducedpotentialforfoodproduction4:changeofpatternsofhear-relatedfoodpoisoning,etc.PartVDoyouknow…?A.Keys:1:F2:F3:F4:F5:TB.Keys:Dos1:yourtowels2:Cutout3:awall-fire4:fridge5:waituntilyou'veafullload6:acompletemealDon’ts7:ironeverything8:theironup9:thek

7、ettle10:tothebrim11:hotfoodTapescriptPartIGettingreadyA.B.1.TheAmazonforestsaredisappearingbecauseofincreasedburningandtreeremoval.InSeptember,satellitepicturesshowedmorethan20000firesburningintheAmazon.Expertssaymostofthesefiresweresetbyfarmers.Thefarmer

8、swereattemptingtoclearlandtogrowcrops.TheWorldWildlifeFundsaysanotherseriousproblemisthattoomanytreesintheAmazonrainforestarebeingcutdown.TheWorldWildlifeFundsaysthefiresshowtheneedforurgentinternationalactiontoprot