新编大学英语四级听力每日训练-第434期.docx

第PAGE\*MERGEFORMAT4页共NUMPAGES\*MERGEFORMAT4页

新编大学英语四级听力每日训练第434期

SectionBPassageOne26.A.Savingnaturalresources.B.Cultivatingrareplants.C.Huntingforanimalexperts.D.Protectingthreatenedspecies.27.A.Oceancurrents.B.Climatedisorder.C.Humanbeing.D.Naturaldisasters.28.A.Ithasthreatenedthenormallifeofotheranimals.B.It'sanexampleofvictimsofhabitatdestruction.C.It'sthemostspecialsealifeinthesetwocountries.D.Ithastotallydisappearedfromthesetwocountries.29.A.Speciesprotectionmethodsareeffective.B.Morepeoplearechangingtheirbehavior.C.Newenergysubstitutesarefoundforfutureuse.D.Thewholepopulationofbirdsisincreasing.SectionBPassageOneSomeoftheplanet'smostpreciousanimalsandplantsaredisappearing,accordingtotheWorldConservationUnion(IUCN).[26]Thegroup,basedinSwitzerland,workswithgovernmentsandexpertstoprotectendangeredspecies.OnSeptember12,theIUCNreleaseditsRedList,alistofspeciesatgreatestriskofextinction.Thelistincludes41,415animalsandplants.TheIUCNsaysthathabitatdestruction,huntingandotherfactorsthreatenoneinfourmammals,oneineightbirdsandoneinthreeamphibians.Whoistoblame?[27]Scientistsbelievethat99percentofthreatenedspeciesareatriskbecauseofhumanactivity."Wearelosinganimalsandplantsatahighrate,"saysJuliaMarton,DirectorGeneraloftheIUCN."Weneedtochangeourbehavior."Warmeroceansandover-fishingareaffectingsealife.Thisyearforthefirsttimecoralsmadetheirappearanceonthelist.[28]Thegharial,acrocodilelivinginIndiaandNepal,haslostalmost60percentofitspopulationinthelast10years.Itisavictimofhabitatdestruction.Still,thenewsisnotallbad.Thankstoeffortsmadetoprotectit,theMauritiusechoparakeet,abirdonceendangered,hasseenanincreaseinitspopulation.[29]"Thisshowsthatprotectionmethodscanwork,"saysMarton."That'sthemessagewewanttosendtoyoungpeople."Questions26to29arebasedonthepassageyouhavejustheard.26.WhatistheIUCNaimedat?正确答案：D解析：原文提到IUCN之后就解释了它的主要作用：protectendangeredspecies，故D正确。D中的threatened是原文中endangered的同义词，在后文也出现过。27.Accordingtoscientists,whoistoblamefortheendangeredspecies?正确答案：C解析：原文中有一处