【it'sabeautifulpark大学水平.不过100个单词.】

金百东回答：

　　Thisnaturalwonder'sunparalleledbeautyinspiredtheU.S.governmenttocreatetheworld'sfirstnationalpark.

　　?Today,Yellowstone'sidentityiscloselyassociatedwithitspowerful,naturalgeyserssuchastheeverpresent:OldFaithful.

　　TheincrediblegeysersandpicturepostcardlandscapebroughtYellowstoneitsfame.Buttoday,itswildlifepopulationisjustaspopular.ThemostcontroversialoftheseisYellowstone'swolfpopulation.Untilrecently,thewolfwasalmostextinct.

　　Thisworldhasbeenobsessedwithkillingwolves.Wehavebeenkillingwolvesforcenturies,probablyforthousandsofyears.

　　In1995,Yellowstone'swolfpopulationwasalmostgone,soDouglasSmithwenttoCanadatocapturefourteenoftheanimalsinanefforttoreviveYellowstone'swolfpopulation.