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1、SurveyoftheUSAFoundation:1776.7.4.ThefourthlargestcountryintheworldPosition:thecentralpartofNorthAmerica;AlaskainthenorthwesternpartofNorthAmericaandHawaiiinthecentralPacificOcean.Northerntemperaturezone.North:Canada;South:Mexico,theGulfofMexico;East:Atlantic
2、Ocean;West:PacificOceanArea:6%oftheEarth≈thewholeEurope(三大河流体系)ThethreeriversystemsintheUSAare:thesystemoftheGulfofMexico,thesystemoftheAtlanticOceanandthesystemofthePacificOcean.(三大山脉)threegreatmountainranges:theAppalachianMountains,theRockyMountainsandtheGr
3、eatCordilleraMountainRange.(thePacific河流体系的两大河流)theColumbiaRiverandtheColoradoRiver.(美国/世界最长的河流)theMississippiRiveristhemostimportantriverinthesystemoftheGulf.TheRockyMountains(落基山脉)are“thebackboneofthecontinent”.Greatlake(美国五大湖)Theyarelocatedinthenortheastpa
4、rtofAmerica.由西至东:LakeSuperior,LakeMichigan,LakeHuron,LakeErie,andLakeOntario.(黄石国家公园)YellowstoneNationalPark,Wyoming/(大峡谷)GrandCanyon/Threebasicgeographicalareasorsurfaceregions:1)TheAtlanticSeacoastandtheAppalachianMountainsintheeastEasternCoastalPlain;Thefi
5、rst13colonies:1624,Virginia1629,NewHampshire1632,Maryland1662,Connecticut1663,RhodeIsland1664,NewYork1664,NewJersey1681,Pennsylvania1682,Delaware1691,Massachusetts1713,NorthCarolina1713,SouthCarolina1732,Georgia2)ThegreatMississippiRiverValleyinthemiddleBetwe
6、enAppalachianandtheRockyMountains,2,000kmfromeasttowestChicagoGreatPlain:westpartofMississippiValley3)TheRockieswesttothePacificOceanRockyMountains:thebackboneofthecontinentYellowStoneNationalPark,HooverDamLasVegas,thegamblingcityDeathValley:85mbelowthesealev
7、el,thelowestplacewiththehighesttemperatureinAmericaThehighestpoint:DenaliinAlaska(20,320feet)SiliconValley–thecenterofAmerica’selectronicindustryThreeriversystems:oneoftheGulfofMexico,oneoftheAtlanticOcean,oneofthePacificOceanMississippiRiver:thethirdlongestr
8、iverintheworld(NileRiver,AmazonRiver)“FatherofWaters”LakeSuperior:thelargestfreshwaterlakeofitskindintheworld(onlyafterthelargestinlandlakeCaspianSea–saltwaterlake)LakeMichiganiswhollywit