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时间:2020-02-27
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1、1.In1892theSierraClubwasformed.In1908anareaofcoastalredwoodtreesnorthofSanFranciscowasestablishedasMuirWoodsNationalMonument.IntheSierraNevadamountains,awalkingtrailfromYosemiteValleytoMountWhitneywasdedicatedin1938.ItiscalledJohnMuirTrail.JohnMuirwasbornin1838inSc
2、otland.Hisfamilynamemeans“moor,”whichisameadowfullofflowersandanimals.Johnlovednaturefromthetimehewassmall.Healsolikedtoclimbrockycliffsandwalls.WhenJohnwaseleven,hisfamilymovedtotheUnitedStatesandsettledinWisconsin.Johnwasgoodwithtoolsandsoonbecameaninventor.Hefir
3、stinventedamodelofasawmill.Laterheinventedanalarmclockthatwouldcausethesleepingpersontobetippedoutofbedwhenthetimersounded.Muirlefthomeatanearlyage.Hetookathousand-milewalksouthtotheGulfofMexicoin1867and1868.ThenhesailedforSanFrancisco.Thecitywastoonoisyandcrowdedf
4、orMuir,soheheadedinlandfortheSierraNevadas.WhenMuirdiscoveredtheYosemiteValleyintheSierraNevadas,itwasasifhehadcomehome.Helovedthemountains,thewildlife,andthetrees.Heclimbedthemountainsandevenclimbedtreesduringthunderstormsinordertogetclosertothewind.Heputforththet
5、heoryinthelate1860'sthattheYosemiteValleyhadbeenformedthroughtheactionofglaciers.Peopleridiculedhim.Notuntil1930wasMuir'stheoryprovencorrect.MuirbegantowritearticlesabouttheYosemiteValleytotellreadersaboutitsbeauty.HiswritingalsowarnedpeoplethatYosemitewasindangerf
6、romtimberminingandsheepranchinginterests.In1901TheodoreRooseveltbecamepresidentoftheUnitedStates.Hewasinterestedinconservation.MuirtookthepresidentthroughYosemite,andRoosevelthelpedgetlegislationpassedtocreateYosemiteNationalParkin1906.AlthoughMuirwonmanyconservati
7、onbattles,helostamajorone.HefoughttosavetheHetchValley,whichpeoplewantedtodaminordertoprovidewaterforSanFrancisco.Inthelate1913abillwassignedtodamthevalley.Muirdiedin1914.SomepeoplesaylosingthefighttoprotectthevalleykilledMuir.Whathappenedfirst?A.TheMuirfamilymoved
8、totheUnitedStates.B.MuirWoodswascreated.C.JohnMuirlearnedtoclimbrockycliffs.D.JohnMuirwalkedtotheGulfofMexicoE.Muirvisitedalongtheeastcoast.2.Whe
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