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时间:2018-10-29
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1、StepbyStep3000(3)Unit2.WorldNews:EarthandEnvironmentContents:WarmingupNewsreportCityrecyclingGoals:TotrainstudentstorecognizekeywordsandphrasesinlisteningTodevelopstudents’abilitytoidentifysignificantinformationthroughlisteningToactivatestudents’knowled
2、geaboutenvironmentTocultivatestudents’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(oftenda
3、ngerous)fire大火;火灾:Fivepeoplediedintheblaze.有五人死於火灾.Brazil----RiodeJaneiro(formercapitalofBrazil)Thenewcity,Brasilia,replacedRiodeJaneiroasthecapitalofBrazilin1960.Desertificationistheprocessbywhichapieceoflandbecomesdry,empty,andunsuitableforgrowingtree
4、sorcropson.(土壤)荒漠化,沙漠化-----AthirdofAfricaisunderthreatofdesertification.everglade n.marshland,swamp-------wetlandsregioninsouthernFlorida大沼泽地Greenland 7StepbyStep3000(3)n.self-governingislandbelongingtoDenmarklocatedbetweenIcelandandthenortheasterncoast
5、alislandsofNorthAmerica(largestislandintheworld)Listentosomesentencesaboutenvironmentandsupplythemissinginformation.Checktheanswersafterstudents’discussion.1.Newresearchonthelikelyimpactofclimatechangesuggeststhatdamagetocropsinlow-lyingcoastalregionsco
6、uldbeworsethanpreviouslythought.2.Morethan2000delegatesfromaroundtheworldhavegatheredinnorthernBrazilforthethirdUnitedNationsConferenceonDesertification.3.CrewsareworkingtocleanupahugeoilspilloffthecoastofMexico,about50milessouthofSanDiego.-----aportcit
7、yinCalifornia(USA)4.WildfiresintheFloridaEvergladeshavebeencontainedafteranearlyaweekofblazesthatconsumed65,000hectaresinthesouthernpartoftheStates.5.A.USSpaceAgencystudyfindsthatGreenlandismeltingaroundtheedges.Thelosstotheworld’ssecondlargesticesheet-
8、--morethan50cubickilometersperyear---isenoughtoraiseglobalsealevelby0.13millimeters.B.Aerialoffensivereptile /ˈreptaɪl;US-tl;ˋrɛptl/nanyoftheclassofcold-blooded,egg-layinganimalsincludinglizards,tortoises,crocodiles,snakes,etcwit
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