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TheUnitedStatesofAmerica•LocatedinthecentralofNorthAmerica(exceptAlaska,Hawaii)•North:Canada•South:Mexico,theGulfofMexico•East:theAtlanticOcean•West:thePecificOceanThreeParts•Theeasternpart:highlands,theAppalachianRange•Thewesternpart:highplateaus,mountains,TheRockyMountains•Themiddlepart:thegreatplainsWaters•TheMississippiRiver•ThefiveGreatLakes•TheNiagaraFallsSixRegions•NewEngland•theMid-AtlanticStates•theSouth•theMidwest•theSouthwest•theWestThanks
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本文标题：美国地理概况ppt
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