英语国家概况ppt-美国

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1、TheUnitedStatesofAmericaGeographyandPeopleContentsGeography1Climate3NaturalResources4People5MajorCities2Watchthefollowingmapcarefullyandfindcluestothefollowingitemslocation(borderingneighbors)States(thesmallest&thelargeststate)SizeandLocationInthecentralpartofNorthAmeri

2、ca(exceptAlaskaandHawaii)CanadaonthenorthMexicoandtheGulfofMexicoonthesouthAtlanticOceanontheeastPacificOceanonthewesttotalarea—9.5millionsquarekilometers;Thewholecountryincludes50statesandafederaldistrict,theDistrictofColumbia—theseatoftheFederalGovernment.Statesorigin

3、al48statesAlaskaandHawaiibecamethe49thin1867and50thstatesin1959.AlaskabordersonnorthwesternCanadaHawaiiliesinthecentralPacificOceanAlaska—thelargest(1717,854sqkm)RhodeIsland—thesmallestTexas—thelargestonthemainland(695,621sqkm)1.ThreeGeographicalDivisionsGeographicalDiv

4、isionsCentralpartEasternpartWesternpartTheEasternPartTheeasternpart—thehighlandsformedbytheAppalachianRange(阿巴拉挈亚山系).onesixthofthenationalterritoryrelativelylow,withanaveragealtitudeof800metersabovesealevelTheWesternPartHighplateaus(高原)andmountains—formedbytheGreatCordi

5、lleraRange（科迪勒拉山系）,extendingfromCanadathroughthewesternpartoftheUnitedStatestoMexicoandfurthersouth.Onethirdofthecountry’sterritoryRockymountainswithanaveragealtitudeofmorethan3000metersabovesealevels.TheGreatCentralPlain（中部大平原）BetweentheAppalachiansintheeastandtheRocky

6、MountainsinthewesthalfofAmerica’slandmassonthecontinentstretchfromtheGreatLakesinthenorthtotheGulfofMexicointhesouthfivegreatlakesandNiagaraFallsThefiveGreatLakes:LakeSuperior,LakeMichigan,LakeHuron,LakeErie,LakeOntario.LakeSuperior:thelargestfreshwaterlakeofitskindLake

7、Michigan:whollywithinUnitedStatesNiagaraFalls(尼亚加拉大瀑布)NiagaraFalls--locatedontheU.S.–CanadianborderbetweenLakeErieandLakeOntario.NiagaraFalls2.MainGeographicalRegionsNewEnglandRegion(新英格兰地区)TheMid-AtlanticStatesRegion（大西洋中部地区）TheSouthRegion（南部地区）TheMidwestRegion（中西部地区）T

8、heWestRegion（西部地区）TheRegionoftheGreatPlains(大平原地区)Alaska(阿拉斯加地区)Hawaii(夏威夷地区)NewEnglandincludingsixstatesinthe