文本内容:
2019-2020年高中英语Unit4Wildlifeprotection-period2每课一练新人教必修2PassageBCondors秃鹰AreingBack!Notlongagothefuturelookedgrim黑暗的fortheCaliforniacondor.Todaybecauseofconservation保育effortsthehugebirdcanbeseenflyingoveritsoldterritories地盘onceagain.Condorseatcarrion腐肉usuallythebodiesofothersmallanimals.Theycanspottheirfoodfromtheairorwatchforothercarrion-eatingbirdscirclingoveracarcass尸体.Ranchers牧场主fearingthatthecondorswerepreying捕食ontheircattleusedtoshootthemandpoisoncarcassestheyknewthecondorswouldeat.Thesetechniquesworkedtoowellandforawhilecondorsteetered濒于onthebrink边缘ofextinction.Tohelpre-populationtheareawithCaliforniacondorsscientistsandresearchersarenowbreeding繁育themincaptivity囚禁andthenreintroducingthemintothewild.It’sbeenworkingwellandinDecember1996thefirstCaliforniacondorswerereleased释放outsideofCalinorniaintotheVe...。