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ID:32669598
大小:1.37 MB
页数:11页
时间:2019-02-14
《大学英语四级阅读选词填空模拟题答案解析》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、.第一篇Climatechangehasclaimeditslatestvictim:Limacinahelicina,aplanktonic,predatory(捕食的)seasnailthat’samemberofthetaxonomicgroupmore(36)__________knownasseabutterflies.(Thenameis(37)__________fromthewing-likelobes(叶瓣)thetinycreaturesusetogetaround.)Inastudy(38)__________publishedinjoumalProc
2、eedingsoftheRoyalSocietyB,agroupofscientistsfromtheNationalOceanicandAtmosphericAdministration(NOAA)andOregonStateUniversityhavefoundthatthePacificOcean’sdecreasingpH—itsacidifying(酸化),inotherwords-isdissolvingL.helicina’sthinshells. Theresearcherscollectedseabutterfly(39)__________from13
3、sitesalongthePacificcoast(betweenWashingtonandsouthernCalifornia,goingovereachwithascanningelectronmicroscope.Morethanhalfoftheshells(53%)fromonshoreindividuals(40)__________signsof“severedissolutiondamage,”while24%of(41)__________individualssuffereddissolutiondamage.Thestudy’s(42)________
4、__investigator,Dr.NinaBednarsekofNOAA,describedtheaffectedL.helicinashellsashavingatexturenotunlike“cauliflower”or“sandpaper.” Accordingtothepaper,therewasa“strongpositive(43)__________”betweentheproportionofseabutterflieswithsevereshelldissolutiondamageand“thepercentageof undersaturated(
5、未达到饱和的)water”neartheocean’ssurface.Theresearchersconclude“shelldissolutionowingto(human.causedocean(44)_________hasdoubledinnearshorehabitatssincepre.industrialconditionsacrossthisregionandisontracktotripleby2050,”atruly(45)__________prediction.Moreover,thebroaderimplicationsforecosystemar
6、eunclear,asdamagedshellsmakeitharderforL.helicinatofightinfections,staybuoyant,andprotectthemselvesfrompredators...A.showedB.recentlyC.protectedD.commonlyE.derivedF.samplesG.offshoreH.principalI.noticedJ.correlationK.encouraging L.seawardM.acidificationN.grimO.pollution....词性归类 答案解析..第二篇T
7、hesocialnetworkwillletusers“mute”messagesfromotherusersontheirtimelineswithoutthemutedperson’sknowledge,therebyavoidingthe(36)__________processofhavingtounfollow(取消关注),orputupwith,your(37)__________talkativeIRLfriends.Twitterrolledoutnew(38)__________toletuser
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