资料：ThefederalgovernmentonWednesdayrecommendedanendangered-specieslistingfortheloggerheadturtlesinU.S.Waters,adecisionthatcouldleadtotighterrestrictionsonfishingandothermaritimetrades.Environmentalgroupswho’dbeenpushinganendangeredlistingsaidtheproposalwasa“turningpoint”theyhopewillleadtogreaterturtleprotections. “Ithinkit’shugedayforloggerheadseaturtles,”saidBethRiff,amarinewildlifescientistatOceana.“itreallydrawsattentiontothefacttheseturtlesarenotdoingwellandmoreneedstobedonetoprotectthem.”Withallthatattentiontopaidtothem,you’dthinkthesecreatureswouldatleasthavethegratitudenottogoextinct,butNatureisindifferenttohumannotionsoffairness.Noonereallyknowshowmanyloggerheadthereare,orhowmanyarebeingkilledbyfishinggearorotheractivities.Riffcitesa40percentdropinthenumberofnestingfemalesinFloridaoverthelastdecadeasevidenceoftrouble. Loggerheadsarenamedfortheirlargeheads,whichcontainpotentjawsthatcancrushthehardshellsofpreysuchasconch.Theturtlesareaboutthesizeofafistwhentheyhatchandmakeafrenzieddashtothesurf.Buttheytypicallygrowtomorethanthreefeetinlengthand250pounds.Theanimalcanlogthousandsofmilesasittravelsacrossoceans. BarbaraSchoder，nationalseaturtlecoordinatorforNOAA’sfisheriesdivision,saidthebiggestthreatstotheNorthPacificloggerheadincludedamagetoprimarynestingsites,whicharemainlyinJapan，aswellasaccidentalsnaringoftheturtlesinfishinggear.AndreaTeeofSanFrancisco-basedCenterforBiologicalDiversitysaidtheturtlesgethookedbyHawaiianlonglinefishermentargetingswordfishandtunaandcanbeinjuredordrowned.OntheEastCoast,themainthreattoturtlesisgearfromtheregion’svariousfishenesSchodersaid. Aprimarybenefitoftheendangeredstatuswouldbeincreasedpublicpressureonprotectingthespecies,Riffsaid.Butthegovernmentwouldalsohavetodetermine“criticalhabitats，”suchaswheretheturtlesreproduceorforage.Suchplacescouldbesubjecttoadditionalprotectionsfortheturtles,includingrestrictionsonmaritimedevelopmentorfishing. Likeeveryotherenvironmentalissuetoday,thisisplayingoutagainstthebackgroundofglobalwarmingandhumaninterferencewithnaturalecosystems,Thenarrowstripsofbeachonwhichtheturtleslaytheireggsarebeingsqueezedononesidebydevelopmentandontheotherbythreatofrisingsealevelsastheoceanswarm.Ultimatelywemustgetahandleonthoseissuesaswell,oracreaturethatoutlivedthedinosaurswillmeetitsendatthehandsofhumans,leavingourdescendantstowonderhowcreaturesouglycouldhavewonsomuchaffection. Howdoesglobalwarmingaffectthesurvivalofturtles?
A.It threatens the sandy beaches on which sea turtles lay eggs B.The rising climate makes it difficult for their eggs to hatch C.The rising sea levels make it harder for their hatchlings to grow D.It takes them longer to adapt to the high temperature in the beach正确答案A
