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1、GUATEMALACITY（Reuters）–Afishthatlivesinmangroveswamps阅读答案 GUATEMALACITY（Reuters）–Afishthatlivesinmangroveswamps（红树沼泽）acrosstheAmericascanliveoutofwaterformonthsatatime,similartohowanimalsadapted（适应）tolandmillionsofyearsago,anewstudyshows. TheMagroveRivulus,atypeofsmallkillifish
2、,livesinsmallpoolsofwaterinacertaintypeofemptynutorevenoldbeercansinthemangroveswampsofBelize,theUnitedStatesandBrazil.Whentheirlivingplacedriesup,theyliveonthelandinlogs（圆木），saidScottTaylor,aresearcherattheBrevardEndangeredLandsPrograminFlorida. Thefish,whosescientificnameisRiv
3、ulusmarmoratus,cangrowaslargeasthreeinches.Theygrouptogetherinlogsandbreatheairthroughtheirskinuntiltheycanfindwateragain. ThenewscientificdiscoverycameafteratriptoBelize. “Wekickedoveralogandthefishjustcamecrowdingout,”TaylortoldReutersinneighboringGuatgemalabytelephone.Hesaid
4、hewillmakehisstudyonthefishknowntothepublicinanAmericanmagazineearlynextyear. Inlabtests,Taylorsaidhefoundthefishcanliveupto66daysoutofwaterwithouteating. Someotherfishcanliveoutofwaterforashortperiodoftime.ThewalkingcatfishfoundinSoutheastAsiacanstayonlandforhoursattime,whilel
5、ungfishfoundinAustralia,AfricaandSouthAmericacanliveoutofwater,butonlyinaninactivestate.ButnootherknownfishcanbeoutofwateraslongastheMangroveRivulusandremainactive,accordingtoPatriciaWright,abiologistatCanada’sUniversityofGuelph. Furtherstudiesofthefishmaytellhowanimalschangedov
6、ertime. “Theseanimalsliveinconditionssimilartothosethatexistedmillionsofyearsago,whenanimalsbeganmakingthetransition（过渡）fromwaterontoland,”Wrightsaid. 49.TheMangroveRivulusisatypeoffishthat_______. A.likeseatingnuts B.preferslivingindryplaces C.isthelongestlivingfishonearth
7、 D.canstayalivefortwomonthsoutofwater 50.WhowillwriteupareportonMangroveRivulus? A.PatriciaWrightB.ResearchersinGuatemala C.ScientistsfromBelizeD.ScottTaylor 51.Accordingtothetext,lungfishcan________ A.breathethroughitsskin B.movefreelyondryland C.remainaliveoutofwater D.
8、beasactiveonlandasinwater 52.Whatcanwes
