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1、Test11~275TheNorthwestCoast,acomplexpatternofislands,coastalplains,foothills,andmountainranges,extendsfromCalifornianorthtoAlaska,encompassingalltheterritorywestoftheCascadeandCoastRanges.Itsclimateisoneofeven,moderatetemperatures(exceptinthemountains)andrelativelyheavy
2、rainfall.Thiscombinationofmildtemperaturesandabundantrainfallproducesalush,denseforestvegetationofconifers,deciduoustrees,mosses,andferns.ToitsNativeAmericaninhabitantsofthe1400's,thelong,slendercoastalregionpresentedbothafavorableandaforbiddingenvironment.Theseaandther
3、iversheldmanyresources,buttoexploitthemrequiredthedevelopmentofsupercrafttonavigatewatersthatwereoftenstormyandrough.Theforestswererichwithgameandmanyedibleplantfoods,butthevegetationofmuchoftheareawassodensethatlandtravelwasextremelydifficult,andlargepartsoftheheavilyf
4、orestedfoothillsandruggedmountainswereunsuitableforhumansettlements.Villagesinsteadwerelocatedalongtherivers,ontheshoresofbaysandlow-lyingoffshoreislands,andoccasionallyevenatshelteredlocationsfrontingontheopenocean.ItisestimatedthattheNorthwestCoastofthe1400'shadapopul
5、ationofabout130,000andthuswasoneofthemostheavilypopulatedareasofNorthAmericanorthofMexico.Thepeoplehadnoagriculturebut,overthousandsofyears,haddevelopedtechniquesandequipmenttoexploittheirenvironment,basingtheireconomyonfishinginstreamsandcoastalwatersthatteemedwithsalm
6、on,halibut,andothervarietiesoffish;gatheringabalone,mussels,clams,andothershellfishfromtherockycoastline;huntinglandandseamammals;andcollectingwildplantfoods.Bytheendofthecentury,theyreachedahighculturallevelusuallyfoundonlyamongagriculturalpeople,enjoyingastabilitythat
7、allowedthedevelopmentofacomplexsocialandceremoniallife,anelaboratetechnology,andoneoftheworld'sgreatartstyles.1.WhichofthefollowingisthemainpointtheauthormakesaboutNativeAmericansoftheNorthwestCoast?TheyraisedcropsuniquetoNorthAmerica.Theymadegooduseoftheenvironmentto
8、buildasuccessfulsociety.Theirtechnologyhelpedthem161surviveinthearea'sharshclimate.Theirculturewasheavilyinf
