新教材适用2023_2024学年高中英语Unit3EnvironmentalProtectionSectionⅣ单元写作提能作业新人教版选择性必修第三册

UNIT 3　Section ⅣⅠ.阅读理解(2023·河北省保定市高二期末)What fisherman Moul Thun from a remote island in the Mekong R

UNIT3SectionⅣ Ⅰ.阅读理解 (2023·河北省保定市高二期末) WhatfishermanMoulThunfromaremoteislandintheMekongRiver,in northernCambodia,didn'tknowwasthatstingrayhehookedwouldeventuallybe namedthelargestrecordedfreshwaterfish.ForZebHogan,who'sbeen documentinglargefreshwaterfishesforalmosttwodecades,thediscoveryof thestingray,whichwasreleasedalivebackintotheriver,filledhimwith hope.“Itprovestheseunderwaterbigfish,whichareincriticaldanger,still exist，”saysHogan. Hogan'spursuitforbigfish,calledtheMegafishesProjectandsupported byNationalGeographicSociety,beganin2005whenfishermeninnorthern Thailandpulleda646-poundcafishoutoftheMekongRiver.Thespeciesis knownthatitwasthelargest,thatis,theheaviest-evercaughtinthearea. Arrivingattheisland,theteamfoundThun'sfish,afemalethatappeared tobeingoodhealth.Itwasmorethan13feetfromnosetotail.The researcherswereshockedtoseeherweightat661pounds.Shesetanewworld record.TheoriginalaimoftheMegafishesProjectwastofind,study,and protecttheworld'slargestfreshwaterfishes.Theprojectfocusedonspecies thatcouldgrowtoatleastthesizeofahumanandthatlivedonlyin freshwater. Hoganinitiallydrewupalistofroughly30speciestofocuson. Thechallenge,asHogansoonlearned,wasthatmanyofthesefisharehard tofind.Theyliveinremote,inaccessibleplaces,andoftenindeepwaters. Earlyoninthesearch,therewererelativelyfewscientistsstudyingthem. Whatwasclearwasthattherivergiantswereshrinkinginnumber, threatenedbyahostoffactorsincludingoverfishing,waterpollution,andthe presenceofdams,whichblockmigratingfishfromcompletingtheirlifecycles.