英语听力入门3000unit2答案.doc

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1、......Unit2.WorldNews:EarthandEnvironmentContents:WarmingupNewsreportCityrecyclingGoals:TotrainstudentstorecognizekeywordsandphrasesinlisteningTodevelopstudents’abilitytoidentifysignificantinformationthroughlisteningToactivatestudents’knowledgeabouten

2、vironmentTocultivatestudents’abilityofsummarizingTeachingmethods: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

3、)fire大火;火灾:Fivepeoplediedin.学习参考.......theblaze.有五人死於火灾.Brazil----RiodeJaneiro（formercapitalofBrazil）Thenewcity,Brasilia,replacedRiodeJaneiroasthecapitalofBrazilin1960.Desertificationistheprocessbywhichapieceoflandbecomesdry,empty,andunsuitableforgrow

4、ingtreesorcropson.(土壤)荒漠化,沙漠化-----AthirdofAfricaisunderthreatofdesertification.everglade n.marshland,swamp-------wetlandsregioninsouthernFlorida大沼泽地Greenland n.self-governingislandbelongingtoDenmarklocatedbetweenIcelandandthenortheasterncoastalislands

5、ofNorthAmerica(largestislandintheworld)Listentosomesentencesaboutenvironmentandsupplythemissinginformation.Checktheanswersafterstudents’discussion.1.Newresearchonthelikelyimpactofclimatechangesuggeststhatdamagetocropsinlow-lyingcoastalregionscouldbewo

6、rsethanpreviouslythought.2.Morethan2000delegatesfromaroundtheworldhavegatheredinnorthernBrazilforthethirdUnitedNationsConferenceonDesertification..学习参考.......1.CrewsareworkingtocleanupahugeoilspilloffthecoastofMexico,about50milessouthofSanDiego.-----a

7、portcityinCalifornia(USA)2.WildfiresintheFloridaEvergladeshavebeencontainedafteranearlyaweekofblazesthatconsumed65,000hectaresinthesouthernpartoftheStates.3.A.USSpaceAgencystudyfindsthatGreenlandismeltingaroundtheedges.Thelosstotheworld’ssecondlargest

8、icesheet---morethan50cubickilometersperyear---isenoughtoraiseglobalsealevelby0.13millimeters.B.Aerialoffensivereptile /ˈreptaɪl;US-tl;ˋrɛptl/nanyoftheclassofcold-blooded,egg-layinganimalsincludinglizards,tortoises,crocodiles,snakes,etcwithrela