美国英文简介-AnIntroductiontoUS.doc

TheUnitedStatesofAmerica(alsoreferredtoastheUnitedStates,theU.S.,theUSA,orHYPERLINK"http://en.wikipedia.org/wiki/Americas"\l"Terminology"\o"Americas"America)isaHYPERLINK"http://en.wikipedia.org/wiki/Federalism"\o"Federalism"federalHYPERLINK"http://en.wikipedia.org/wiki/Constitutional_republic"\o"Constitutionalrepublic"constitutionalrepublicprisingHYPERLINK"http://en.wikipedia.org/wiki/U.S._state"\o"U.S.state"fiftystatesandaHYPERLINK"http://en.wikipedia.org/wiki/Federal_district"\o"Federaldistrict"federaldistrict.ThecountryissituatedmostlyincentralHYPERLINK"http://en.wikipedia.org/wiki/North_America"\o"NorthAmerica"NorthAmerica,whereitsHYPERLINK"http://en.wikipedia.org/wiki/Contiguous_United_States"\o"ContiguousUnitedStates"forty-eightcontiguousstatesandHYPERLINK"http://en.wikipedia.org/wiki/Washington,_D.C."\o"Washington,D.C."Washington,D.C.,theHYPERLINK"http://en.wikipedia.org/wiki/Capital_districts_and_territories"\o"Capitaldistrictsandterritories"capitaldistrict,liebetweentheHYPERLINK"http://en.wikipedia.org/wiki/Pacific_Ocean"\o"PacificOcean"PacificandHYPERLINK"http://en.wikipedia.org/wiki/Atlantic_Ocean"\o"AtlanticOcean"AtlanticOceans,borderedbyHYPERLINK"http://en.wikipedia.org/wiki/Canada"\o"Canada"CanadatothenorthandHYPERLINK"http://en.wikipedia.org/wiki/Mexico"\o"Mexico"Mexicotothesouth.ThestateofHYPERLINK"http://en.wikipedia.org/wiki/Alaska"\o"Alaska"Alaskaisinthenorthwestofthecontinent,withCanadatotheeastandHYPERLINK"http://en.wikipedia.org/wiki/Russia"\o"Russia"RussiatothewestacrosstheHYPERLINK"http://en.wikipedia.org/wiki/Bering_Strait"\o"BeringStrait"BeringStrait.ThestateofHYPERLINK"http://en.wikipedia.org/wiki/Hawaii"\o"Hawaii"HawaiiisanHYPERLINK"http://en.wikipedia.org/wiki/Archipelago"\o"Archipelago"archipelagointhemid-Pacific.ThecountryalsopossessesHYPERLINK"http://en.wikipedia.org/wiki/Territories_of_the_United_States"\o"TerritoriesoftheUnitedStates"severalterritoriesintheHYPERLINK"http: