小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.com小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.com必修二Unit2WildlifeProtection单元培优综合测试卷第二部分阅读(共两节，满分50分)第一节(共15小题;每小题2.5分，满分37.5分)阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项。A（2024·山东·三模）AccordingtotheInternationalUnionforConservationofNature(IUCN),hundredsofmarine(海洋的)speciesacrosstheworldcomeunderendangeredandcriticallyendangeredcategories.Someoftheendangeredandrecognizablemarinespeciesarenamedhere.Kemp’sRidleySeaTurtleTheKemp’sRidleySeaTurtle,alsoknownastheAtlanticRidleySeaTurtle,isendangeredastherarestandsmallestseaturtle.DistributedthroughouttheGulfofMexicoandU.S.Atlanticseaboard,theygatheroffthecoastinnortheasternMexicoandcomeashoreinlargegroupstolayeggseveryyear.Asmarinereptiles(爬行动物),theyarethreatenedbyoilspills,lackoffoodandmarinepollution.VaquitaAsararemarinemammal,Vaquitaisontheedgeofextinctiononlyahalf-centuryafteritsfirstsighting.ExtensivefishingintheGulfofCaliforniahasendangeredthismarinespecies,resultinginagradualdropinpopulationsincethe1940s.Accordingtoreports,thereareonlyadozenofthesemarinemammalsleftintheworldsincethepercentageofdeclineintheirpopulationwasasmuchas90%since2011.WhaleFinWhaleisthesecond-largestmammalontheplanetafterBlueWhaleanditisalsoavictimofhunting.Accordingtoestimates,theglobalpopulationofFinWhalerangesfrombelow100,000toaround119,000.HumpbackWhale,anotherwhalespecies,hasalsobeenlistedasanendangeredmarinespecies.Beforetheintroductionofthewhalingmoratorium(暂停)in1966,thespecieswashuntedforitsfur,whilethepopulationdroppedby90%.Currently,around2,500HumpbackWhalessurviveintheworld.HawaiianMonkSealAnativeoftheNorthwesternHawaiianIslands,HawaiianMonkSealisoneoftheearlesssealswholiveonwarmbeaches,unlikeotherseals.小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.com小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.comAccordingtorecentresearch,only1,400HawaiianMonkSealsremainontheIslands.Thesesealsaremainlythreatenedbypredatorsliketigersharks.Besides,otherreasonslikehabitatlossandfoodlimitationalsocontributetotheircriticalsituation.1．WhydoKemp’sRidleySeaTurtleslandonthebeachinlargegroups?A．Tonest.B．Toreproduce.C．Toavoidattack.D．Tohuntfoods.2．WhatisthemajorthreattoHawaiianMonkSeal?A．Globalwarming.B．Lackoffood.C．Naturalenemies.D．Habitatpollution.3．Whichofthefollowingisthemostcriticallyendangeredspecies?A．Vaquita.B．FinWhale.C．HumpbackWhale.D．HawaiianMonkSeal.B（2024·江西宜春·模拟预测）AfishermanfromPortland,Maine,theUS,caughtaveryrarebrightbluelobster(龙虾)offthecoastofMainebutchosetosetitfreebackintotheocean.ThephotoofthebluelobsterwassharedbytechenterpriserLars-JohanLarsson.“ThisbluelobsterwascaughtoffthecoastofPortlandyesterdayandreturnedtothewatertocontinuetogrow.Bluelobstersareoneintwomillion,”hewrote.Whiletheshellsoflobstersaregenerallyredorbrownincolor,theblueshellisaresultofgenemutation(基因突变),whichcausesthelobstertoproducemoreofaparticularproteinthanotherlobsters,leadingtotherarebluecolor,asreportedbytheTorontoSun.Yellow,orangeandcrystal-coloredlobstersareconsideredevenrarerthanbrightblueones.AccordingtotheLobsterInstitute,yellowlobstersaccountforaboutonein30millionofthetotalpopulation.TwofishermeninDorsetcaughtacrystal...