大学英语四级阅读选词填空模拟题及答案解析.docx

大学英语四级阅读选词填空模拟题及答案解析.docx

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大学英语四级阅读选词填空模拟题及答案解析

第一篇

Climatechangehasclaimeditslatestvictim：

Limacinahelicina，aplanktonic，predatory（捕食的）seasnailthat’samemberofthetaxonomicgroupmore（36）__________knownasseabutterflies．（Thenameis（37）__________fromthewing-likelobes（叶瓣）thetinycreaturesusetogetaround．）Inastudy（38）__________publishedinjoumalProceedingsoftheRoyalSocietyB，agroupofscientistsfromtheNationalOceanicandAtmosphericAdministration（NOAA）andOregonStateUniversityhavefoundthatthePacificOcean’sdecreasingpH—itsacidifying（酸化），inotherwords-isdissolvingL．helicina’sthinshells．

　　Theresearcherscollectedseabutterfly（39）__________from13sitesalongthePacificcoast（betweenWashingtonandsouthernCalifornia，goingovereachwithascanningelectronmicroscope．Morethanhalfoftheshells（53％）fromonshoreindividuals（40）__________signsof“severedissolutiondamage，”while24％of（41）__________individualssuffereddissolutiondamage．Thestudy’s（42）__________investigator,Dr.NinaBednarsekofNOAA，describedtheaffectedL．helicinashellsashavingatexturenotunlike“cauliflower”or“sandpaper．”

　　Accordingtothepaper，therewasa“strongpositive（43）__________”betweentheproportionofseabutterflieswithsevereshelldissolutiondamageand“thepercentageof　undersaturated（未达到饱和的）water”neartheocean’ssurface．Theresearchersconclude“shelldissolutionowingto（human．causedocean（44）_________hasdoubledinnearshorehabitatssincepre．industrialconditionsacrossthisregionandisontracktotripleby2050，”atruly（45）__________prediction．Moreover,thebroaderimplicationsforecosystemareunclear,asdamagedshellsmakeitharderforL．helicinatofightinfections，staybuoyant，andprotectthemselvesfrompredators．

A.showed

B.recently

C.protected

D.commonly

E.derived

F.samples

G.offshore

H.principal

I.noticed

J.correlation

K.encouraging 

L.seaward

M.acidification

N.grim

O.pollution

词性归类

答案解析

第二篇

Thesocialnetworkwillletusers“mute”messagesfromotherusersontheirtimelineswithoutthemutedperson’sknowledge，therebyavoidingthe（36）__________

processofhavingtounfollow（取消关注），orputupwith，your（37）__________talkativeIRLfriends．Twitterrolledoutnew（38）__________toletusersbettermanagethedeluge（泛滥）oftweetstheyreceive．

　　Userscannow“mute”peopletheyfollow,removingthosepeople’stweetsandretweetsfromtheirowntimelines．Themutedpersonwon’tknowthatheorshehasbeen（39）__________．It’sastealthywaytoreadlesscontentfromcertainuserswithouthavingtounfollowthem．Apersoncaneasilybemutedor（40）__________at

anytime，Twittersaidinablogpost．

　　“Mutegivesyouevenmore（41）__________overthecontentyouseeonTwitterbylettingyouremoveauser’scontentfromkeypartsofyourTwitterexperience，”thecompanysaid．

ThoughTwitterhadbeenexperimentingwiththefeatureinrecentweeks，itannouncedthatmutingwillbe（42）__________toallusersofthecompany’siOSandAndroidapps，aswellas　　theTwitter．comwebsite．SomeotherTwitterapplications，likeTweetDeck，alreadyallowedmuting．

　　ThefeatureispartofTwitter’s（43）__________strategytomakeitsservicemoreaccessibletoawiderrangeofpeople．Followingasuccessfulinitialpublicofferin9，Twitter’sstockhastumbledinrecentmonthsasinvestorsworryaboutthesocialnetwork’s（44）__________toattractnewusers．CEODickCostolo（45）__________thatTwitterwouldmakechangestoitsinterfacethisyeartomakeiteasiertounderstandandmanage．Thecompanyoverhauled（彻底检修）userproinAprilaspartofthiseffort．

A.silenced

B.awkward

C.unmvted

D.feature

E.embarrassment

F.unfollowed

G..control

H.extremely

I.overall

J.vowed

K.generally

L.ability

M.accepted

N.available

O.characters

词性归类

答案解析

第三篇

Thepollof2,000adultsinEnglandwas（36）__________outaspartofthegovernment’sdrivetocurbpeople’sdrinkinghabits．

　　Thecampaignalsostressesthataheavydrinkingsessionisoften（37）__________byanunhealthybreakfast，whichagainhelpstopileonthepounds．

　　TheKnowYourLimitscampaignhasinthepastfocusedonother（38）__________0fdrinking，suchasdiseaserisk．

Butto（39）__________withthefocusonweight，theDepaIhiientofHealthcarriedoutresearchshowingaregularbeerdrinker,whodowned（喝）fivepintsaweekor250overthe（40）__________ofayear,packedawaythesamenumberofcaloriesassomeoneeating221doughnutsoverthespaceof12months．

　　Italsorevealedtheaveragewinedrinkerconsumed2,000calorieseachmonth．overthecourseofayear,thatisthe（41）__________ofeatingallextra38roastbeefdinners．

　　HealthministerPhilHopesaid，“Regularlydrinkingmorethanour（42）__________dailylimitscanhaveaknock-oneffectonourhealth，includinganexpandingwaistline．

　　“It’snotonly