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1、此文档收集于网络，如有侵权，请联系网站删除Test11~275TheNorthwestCoast,acomplexpatternofislands,coastalplains,foothills,andmountainranges,extendsfromCalifornianorthtoAlaska,encompassingalltheterritorywestoftheCascadeandCoastRanges.Itsclimateisoneofeven,moderatetemperatures(exceptinthemountains)andrel
2、ativelyheavyrainfall.Thiscombinationofmildtemperaturesandabundantrainfallproducesalush,denseforestvegetationofconifers,deciduoustrees,mosses,andferns.ToitsNativeAmericaninhabitantsofthe1400's,thelong,slendercoastalregionpresentedbothafavorableandaforbiddingenvironment.Theseaandt
3、heriversheldmanyresources,buttoexploitthemrequiredthedevelopmentofsupercrafttonavigatewatersthatwereoftenstormyandrough.Theforestswererichwithgameandmanyedibleplantfoods,butthevegetationofmuchoftheareawassodensethatlandtravelwasextremelydifficult,andlargepartsoftheheavilyforeste
4、dfoothillsandruggedmountainswereunsuitableforhumansettlements.Villagesinsteadwerelocatedalongtherivers,ontheshoresofbaysandlow-lyingoffshoreislands,andoccasionallyevenatshelteredlocationsfrontingontheopenocean.ItisestimatedthattheNorthwestCoastofthe1400'shadapopulationofabout130
5、,000andthuswasoneofthemostheavilypopulatedareasofNorthAmericanorthofMexico.Thepeoplehadnoagriculturebut,overthousandsofyears,haddevelopedtechniquesandequipmenttoexploittheirenvironment,basingtheireconomyonfishinginstreamsandcoastalwatersthatteemedwithsalmon,halibut,andothervarie
6、tiesoffish;gatheringabalone,mussels,clams,andothershellfishfromtherockycoastline;huntinglandandseamammals;andcollectingwildplantfoods.Bytheendofthecentury,theyreachedahighculturallevelusuallyfoundonlyamongagriculturalpeople,enjoyingastabilitythatallowedthedevelopmentofacomplexso
7、cialandceremoniallife,anelaboratetechnology,andoneoftheworld'sgreatartstyles.1.WhichofthefollowingisthemainpointtheauthormakesaboutNativeAmericansoftheNorthwestCoast?TheyraisedcropsuniquetoNorthAmerica.Theymadegooduseoftheenvironmenttobuildasuccessfulsociety.Theirtechnologyhe
8、lpedthemsurviveinthearea'sharshclimate.Theircu
