资源描述：
《国际交流英语视听说4 u2 听力原文及翻译》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、U2Listening1TourGuide:OK,everyone,here’sournextexhibit.Doyouseethebodyofthelittlebirdinthatbottle?Thatisaduskyseasidesparrow.ItwasanoldmalethatdiedonJune16,1987.It’skindofsadbecausehewastheverylastduskyseasidesparrowintheworld.They’renowextinct.Yes,you
2、haveaquestion?Male:Doyouknowwhytheybecameextinct?TourGuide:Basically,theylosttheirhabitat.See,theduskyseasidesparrowlivedonlyinoneplace—onMerrittIslandinFlorida.Theislandhadalotofmosquitoesandwetlands.ThepeopleonMerrittIslandusedchemicalstokillthemosqu
3、itoes.TourGuide:Thosechemicalswerealsoveryharmfultothesparrows,andmanydied.Inaddition,thepeopleonMerrittIslandtriedtocontrolandexploitthewetlands.Astheyalteredthem,thewetlandswerenolongeragoodhabitatforthesparrows.Thebirdsdiedonebyoneuntilthereweren’ta
4、nyleft.Female:So,ifpeopleweretoblame,can’twemakesuresomethinglikethatneverhappensagain?TourGuide:We’retrying.Thesituationwiththeduskyseasidesparrowmakesonethingveryclear.Weneedtoprotectendangeredanimals.However,it’sabetterstrategytoprotecttheanimalsand
5、theirhabitats,too.Afterall,ifananimal’shabitatisdestroyed,theanimalwilllikelybecomeextinct.TourGuide:We’retrying.Thesituationwiththeduskyseasidesparrowmakesonethingveryclear.Weneedtoprotectendangeredanimals.However,it’sabetterstrategytoprotecttheanimal
6、sandtheirhabitats,too.Afterall,ifananimal’shabitatisdestroyed,theanimalwilllikelybecomeextinct.That’swhytheEndangeredSpeciesAct,whichwaspassedintheUnitedStatesin1973,protectsbothendangeredanimalsandtheirhabitats.Forexample,thesteelheadtroutlivesinriver
7、sandstreamsonthewestcoastoftheUnitedStates—theColumbiaRiverinWashingtonstateforinstance.Recently,boththefishandtherivercameundertheprotectionoftheEndangeredSpeciesAct.Male:Buthowcanweprotectlargeareassuchasriversandforests?Noone—noteventhegovernment—ca
8、naffordtobuyorcontrolallthelandthatendangeredspeciesliveon.TourGuide:Goodpoint.Infact,that’swhatmakestheEndangeredSpeciesActdifficulttofullyenforce.There’sanongoingconflictbetweensomelandownersandthegovernment.Takethecaseofthegraywolf,f
