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1、英美国家概况TheUnitedStatesofAmericaUnit10Land,People,andNaturalResourcesTheUnitedStatesofAmericaThinkaboutthesequestionsbeforewestart:1.WhatdoyouknowaboutthelandfeaturesoftheUSA?2.WhichareadoesAmerica’s“breadbasket”referto?Explainthereasons.3.WhatclimatesdoestheUSAhave?Warming-upActivitiesContentsL
2、and&PeopleNaturalResourcesGeneralIntroductionⅠⅡⅢUSA(UnitedStatesofAmerica)consistingof48contiguousstatesandthenoncontiguousstatesofAlaskaandHawaii.Area-Total3,794,101sqmi-Water(%)6.76Population-2012estimate314,047,000-Density87.4/sqmiⅠGeneralIntroductionAMapoftheUSAⅠGeneralIntroductionⅡLand&Pe
3、opleTheLandandItsFeaturesTheVarietyoftheLandThePopulationandHumanResources1231.TheLandandItsFeaturesavariedmosaicoflandformtypes—broadplains,rollinghills,ruggedplateaus,andmajesticmountains.2.TheVarietyoftheLandMountainsandValleysofthePacificRegionMountains,Plateaus,andBasinsoftheInteriorWestI
4、nteriorLowlandsAppalachianMountainsPiedmontandAtlanticandGulfCoastalPlains2.TheVarietyoftheLandMountainsandValleysofthePacificRegionThePacificregionextendsfromCaliforniatoAlaskaandincludesHawaii.Itishometothecountry’sgreatestmountainranges,itshighest(and“tallest”)mountains,andsomeofthecontinen
5、t’smoststunningscenery.2.TheVarietyoftheLandTheSierraNevada2.TheVarietyoftheLandTwohugeplateausoccupytheinlandPacificNorthwestandthe“FourCorners”areaoftheSouthwest.TheColumbiaPlateaucoversportionsofeasternWashington,northeasternOregon,andwesternIdaho.TheColoradoPlateau,composedofalternatinglay
6、ersofsandstoneandlimestone,iscenteredontheSouthwest’sFourCornersarea,wherethestatesofUtah,Colorado,NewMexico,andArizonameet.Mountains,Plateaus,andBasinsoftheInteriorWest2.TheVarietyoftheLandTheColumbiaPlateauTheColoradoPlateauColorado’sRockyMountainNationalPark2.TheVarietyoftheLandGrandTetonNa
7、tionalParkGlacierNationalParkinMontana2.TheVarietyoftheLand2.TheVarietyoftheLandInteriorLowlandsMovingeastwardfromtheRockyMountainsandstretchingtotheAppalachiansisahugeareaoflowlandplains.EastoftheGreatPlainsandextendingacrosstheMississ
