资源描述：
《2009.6至2012.12六级阅读题及答案.doc》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、2009年6月英语六级阅读真题PassageOneQuestions52to56arebasedonthefollowingpassage. Forhundredsofmillionsofyears,turtles(海龟)havestruggledoutoftheseatolaytheireggsonsandybeaches,longbeforetherewerenaturedocumentariestocelebratethem,orGPSsatellitesandmarinebiologiststotrackthem,orvolunteerstohand-carryth
2、ehatchlings(幼龟)downtothewater’sedgelesttheybecomedisorientedbyheadlightsandcrawltowardsamotelparkinglotinstead.AformidablewallofbureaucracyhasbeenerectedtoprotecttheirprimenestingontheAtlanticcoastlines.Withallthatattentionpaidtothem,you’dthinkthesecreatureswouldatleasthavethegratitudenotto
3、goextinct. ButNatureisindifferenttohumannotionsoffairness,andareportbytheFishandWildlifeServiceshowedaworrisomedropinthepopulationsofseveralspeciesofNorthAtlanticturtles,notablyloggerheads,whichcangrowtoasmuchas400pounds.TheSouthFloridanestingpopulation,thelargest,hasdeclinedby50%inthelast
4、decade,accordingtoElizabethGriffin,amarinebiologistwiththeenvironmentalgroupOceana.ThefigurespromptedOceanatopetitionthegovernmenttoupgradethelevelofprotectionfortheNorthAtlanticloggerheadsfrom“threatened”to“endangered”—meaningtheyareindangerofdisappearingwithoutadditionalhelp. Whichraises
5、theobviousquestion:whatelsedotheseturtleswantfromus,anyway?Itturnsout,accordingtoGriffin,thatwhilewehavedoneagoodjobofprotectingtheturtlesfortheweekstheyspendonland(asegg-layingfemales,aseggsandashatchlings),wehaveneglectedtheyearsspendintheocean.“Thethreatisfromcommercialfishing,”saysGriff
6、in.Trawlers(whichdraglargenetsthroughthewaterandalongtheoceanfloor)andlonglinefishers(whichcandeploythousandsofhooksonlinesthatcanstretchformiles)takeaheavytollonturtles.Ofcourse,likeeveryotherenvironmentalissuetoday,thisisplayingoutagainstthebackgroundofglobalwarmingandhumaninterferencewit
7、hnaturalecosystems.Thenarrowstripsofbeachonwhichtheturtleslaytheireggsarebeingsqueezedononesidebydevelopmentandontheotherbythethreatofrisingsealevelsastheoceanswarm.Ultimatelywemustgetahandleonthoseissuesaswell,oracreaturethatoutlivedthedinosaurs(恐龙)will
