关于英语国家概况第1页,共79页,星期日,2025年,2月5日
ContentsGeography1Climate3NaturalResources4People5MajorCities2第2页,共79页,星期日,2025年,2月5日
Watchthefollowingmapcarefullyandfindcluestothefollowingitemslocation(borderingneighbors)States(thesmallestthelargeststate)第3页,共79页,星期日,2025年,2月5日
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SizeandLocationInthecentralpartofNorthAmerica(exceptAlaskaandHawaii)CanadaonthenorthMexicoandtheGulfofMexicoonthesouthAtlanticOceanontheeastPacificOceanonthewesttotalarea—9.5millionsquarekilometers;Thewholecountryincludes50statesandafederaldistrict,theDistrictofColumbia—theseatoftheFederalGovernment.第7页,共79页,星期日,2025年,2月5日
Statesoriginal48statesAlaskaandHawaiibecamethe49thin1867and50thstatesin1959.AlaskabordersonnorthwesternCanadaHawaiiliesinthecentralPacificOceanAlaska—thelargest(1717,854sqkm)RhodeIsland—thesmallestTexas—thelargestonthemainland(695,621sqkm)第8页,共79页,星期日,2025年,2月5日
1.ThreeGeographicalDivisionsGeographicalDivisionsCentralpartEasternpartWesternpart第9页,共79页,星期日,2025年,2月5日
TheEasternPartTheeasternpart—thehighlandsformedbytheAppalachianRange(阿巴拉挈亚山系).onesixthofthenationalterritoryrelativelylow,withanaveragealtitudeof800metersabovesealevel第10页,共79页,星期日,2025年,2月5日
TheWesternPartHighplateaus(高原)andmountains—formedbytheGreatCordilleraRange(科迪勒拉山系),extendingfromCanadathroughthewesternpartoftheUnitedStatestoMexicoandfurthersouth.Onethirdofthecountry’sterritoryRockymountainswithanaveragealtitudeofmorethan3000metersabovesealevels.第11页,共79页,星期日,2025年,2月5日
TheGreatCentralPlain(中部大平原)BetweentheAppalachiansintheeastandtheRockyMountainsinthewesthalfofAmerica’slandmassonthecontinentstretchfromtheGreatLakesinthenorthtotheGulfofMexicointhesouthfiveg