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时间:2019-11-29
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1、雅思基础阅读精讲班第20讲讲义习题巩固(四)《基础阅读教材》88页Questions28-31Thepassage‘ThePanda’sLastChance’has6paragraphslabeledA-F.Whichparagraphscontainthefollowinginformation?WritetheappropriatelettersA-Finboxes28-31onyouranswersheet.YouonlyneedONEletterforeachanswer.Note:Youmayu
2、seeachlettermorethanonce.ExampleAnswerWherepandahabitatsarelocated.A28Theseparationofpandagroups.29Thepanda’sdiet.30Theillegalkillingofpandas.31Whypandas’livingareashavebeenreduced.THEPANDA’SLASTCHANCEChineseauthoritieshavedevisedanambitiousplantosavetheg
3、iantpandafromtheravagesofdeforestation.MartinWilliamsassessesthecreature’schancesofavoidingextinction.AThegiantpanda,thecreaturethathasbecomeasymbolofconservation,isfacingextinction.Themajorreasonislossofhabitat,whichhascontinueddespitetheestablishment,si
4、nce1963,of14pandareserves.Deforestation,mainlycarriedoutbyfarmersclearinglandtomakewayforfieldsastheymovehigherintothemountains,hasdrasticallycontractedthemammal’srange.ThepandahasdisappearedfrommuchofcentralandeasternChina,andisnowrestrictedtotheeasternf
5、lankoftheHimalayasinSichuanandGansuprovinces,andtheQinlingMountainsinShaanxiprovince.Fewerthan1400oftheanimalsarebelievedtoremaininthewild.BSatelliteimageryhasshowntheseriousnessofthesituation;almosthalfofthepanda’shabitathasbeencutordegradedsince1975.Wor
6、se,thesurvivingpandapopulationhasalsobecomefragmented;acombinationofsatelliteimageryandgroundsurveysrevealspanda‘islands’inpatchesofforestseparatedbyclearedland.Thepopulationoftheseislands,rangingfromfewerthantentomorethan50pandas,hasbecomeisolatedbecause
7、theanimalsareloathtocrossopenareas.Justputtingaroadthroughpandahabitatmaybeenoughtosplitapopulationintwo.CTheminusculesizeofthepandapopulationsworriesconservationists.Thesmallestgroupshavetoofewanimalstobeviable,andwillinevitablydieout.Thelargerpopulation
8、smaybeviableintheshortterm,butwillbesusceptibletogeneticdefectsasaresultofinbreeding.DInthesecircumstances,amoretraditionalthreattopandas—thecycleoffloweringandsubsequentwitheringofthebamboothatistheirstaplefood—can
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