英语听力学习入门3000unit2答案~

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2、Unit2.WorldNews:EarthandEnvironmentContents:WarmingupNewsreportCityrecyclingGoals:TotrainstudentstorecognizekeywordsandphrasesinlisteningTodevelopstudents’abilitytoidentifysignificantinformationthroughlisteningToactivatestudents’knowledgeaboutenvironmentTocultivatestudents’abilityofsummariz

3、ingTeachingmethods:Students’listening;groupdiscussion;teacher’sinstructionDuration:90minutesI.WarmingupA.blaze(n.&v)[C](a)brightflameorfire火焰;火光:Drywoodmakesagoodblaze.乾木燃起夺目的火焰.(b)verylarge(oftendangerous)fire大火;火灾:Fivepeoplediedintheblaze.有五人死於火灾.Brazil----RiodeJaneiro（formercapitalofBrazi

4、l）Thenewcity,Brasilia,replacedRiodeJaneiroasthecapitalofBrazilin1960.Desertificationistheprocessbywhichapieceoflandbecomesdry,empty,andunsuitableforgrowingtreesorcropson.(土壤)荒漠化,沙漠化-----AthirdofAfricaisunderthreatofdesertification.everglade n.marshland,swamp-------wetlandsregioninsouthernFlo

5、rida大沼泽地Greenland 

6、n.self-governingislandbelongingtoDenmarklocatedbetweenIcelandandthenortheasterncoastalislandsofNorthAmerica(largestislandintheworld)Listentosomesentencesaboutenvironmentandsupplythemissinginformation.Checktheanswersafterstudents’discussion.1.Newresearchonthelikelyimpactofc

7、limatechangesuggeststhatdamagetocropsinlow-lyingcoastalregionscouldbeworsethanpreviouslythought.2.Morethan2000delegatesfromaroundtheworldhavegatheredinnorthernBrazilforthethirdUnitedNationsConferenceonDesertification.3.CrewsareworkingtocleanupahugeoilspilloffthecoastofMexico,about50milessout

8、hofSanDiego.-----aportcityinCalifornia(USA)4.WildfiresintheFloridaEvergladeshavebeencontainedafteranearlyaweekofblazesthatconsumed65,000hectaresinthesouthernpartoftheStates.5.A.USSpaceAgencystudyfindsthatGreenlandismeltingaroundtheedges.Thelosstotheworld’ssecondlargesticesheet---morethan50cu

9、bickilometersperyear---isenoughtoraiseglobalsealevelby0.13millimeters.B.Aerialoffensivereptile /ˈreptaɪl;US-tl;ˋrɛptl/nanyoftheclassofcold-blooded,egg-layinganimalsincludinglizards,tortoises,crocodiles,snakes,etcwithrelativelyshortlegsornolegsatall