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2021年四川省巴中市公共英语五级(笔试)模拟考试(含答案)学校:________班级:________姓名:________考号:________
一、1.ListeningComprehension(15题)1.Whobenefitsmostfrominflation?
A.Personswhohavesalariesaccordingtolong-termcontracts.
B.Personswhoownbusinesses.
C.Personswithold-agepensions.
D.Personswithslow-risingincomes.
2.Whodonotprobablynoticethebeautyoftheoreticalphysics?
3.PartA
Directions:Youwillhearatalk.Asyoulisten,answerQuestions1-10bycirclingTRUEorFALSE.YouwillhearthetalkONLYONCE.Younowhave1minutetoreadQuestions1-10.
听力原文:Thereareseveralplacesintheworldthatarefamousforpeoplewholiveforaverylongtime.Thesesplacesareusuallymountainousareas,farawayfrommoderncities.Doctors,scientistsandpublichealthexpertsoftentraveltotheseregionstosolveamysteriouslonghealthylife;theexpertshopetobringtothemodernworldthesecretsoflongevity.
HunzaishighintheHymalayanMountainsofAsia.There,manypeopleoveronehundredyearsofagearestillinphysicalhealth.Menofninetyarenewfathers,andwomenoffiftystillhavebabies.Whatarethereasonsforthisgoodhealth?ScientistsbelievethatthepeopleofHunzahavethesethreebenefits:first,physicalwork,usuallyinthefieldsorwithanimals;second,ahealthenvironmentwithcleanairandwater;andwhat'smore,asimplediethighinvitaminsandnutritionbutlowinfat,cholesterol,sugarandchemicals.
PeopleintheCaucasusMountaininRussiaarealsofamousfortheirlongevity.Inthisarea,thereareamazingexamplesofverylong-livedpeople.Birthrecordsarenotusuallyavailable,butawomancalledTsurbaprobablyliveduntilage160;amancalledShiraliprobablyliveduntil168.Hiswidowwas120yearsold.Ingeneral,peoplenotonlylivealongtime,buttheyalsolivewell.Theyarealmostneversick,andwhentheydie,theyhavenotonlytheirownteethbutalsoafullheadofhairandgoodeyesight.
Vilcabamba,Ecuador,isanotherareafamousforthelongevityofitshabit-ants.Thisregion—likeHunzaandtheCaucasus—isalsoinhighmountains,farawayfromcities.InVilcabamba,too,thereisverylittledisease.Onereasonforthegoodhealthofthepeoplemightbetheclean,beautifulenvironment:thetemperatureisabout70Fahrenheitallyearlong;thewindalwayscomesfromthesamedirection;andtheregionisrichinflowers,fruits,vegetablesandwildlife.
Insomeways,thedietsofthehabitantsinthethreeregionsarequitedifferent.Hunzukutseatmainlyrawvegetables,fruit(especiallyapricots),andchapattis—akindofpancake;theyeatmeatonlyafewtimesayear.TheCaucasiandietconsistsmainlyofmilk,cheese,vegetables,fruitandmeat;mostpeopletheredrinkthelocalredwinedaily.InVilcabamba,peopleeatasmallamountofmeateachweek,butthedietconsistslargelyofgrain,coins,beans,potatoesandfruit.
ExpertsfindonesurprisingfactinthemountainsofEcuador.Mostpeoplethere,eventheveryold,consumealotofcoffee,drinkalargeamountofalcohol,andsmokefortytosixtycigarettesdaily.
However,thedietsaresimilarintwogeneralways:first,thefruitsandvegetablesthattheinhabitantsofthethreeareaseatareallnatural;thatis,theycontainnochemicalsandsecond,thepeopleconsumefewercaloriesthanpeopledointheotherpartsoftheworld.AtypicalNorthAmericantakesinanaverageof3,300calorieseveryday;atypicalinhabitantofthesemountainousareasbetween1,700and2,000calories.
Inhabitantsinthethreeregionshavemoreincommoncalories,naturalfood,theirmountainsandtheirdistancefrommoderncities,becausethesepeopleliveincountrysideandaremostlyfarmers,theirlivesarephysicallyhard.Thus,theydonotneedtogotohealthclubsbecausetheygetalotofexerciseintheirdailywork.Inaddition,although,theirlivesarehard,thepeopledonotseemtohavetheworriesofcitypeople.Theirlivesarequiet.Consequently,someexpertsbelievethatphysicalexerciseandfreedomfromworrymightbethetwomostimportantsecretsoflongevity.
Somemoderncitiesareusuallyfamousforpeoplewholiveave
A.TrueB.Fasle
4.Chainsdon'tproducetheirowncoursebookmaterial.
A.TrueB.Fasle
5.PartA
Directions:Youwillhearatalk.Asyoulisten,answerQuestions1-10bycirclingTRUEorFALSE.YouwillhearthetalkONLYONCE.Younowhave1minutetoreadQuestions1-10.
听力原文:Hello,everyone.TodayIwillintroduceyouthelearningchainsinBritain.Herethechainsrefertoschoolslinkedtogetheraspartofagroup.Theycanofferstudentsmanypracticaladvantages.
Whenpeopleareaskedtonamealanguageschool,moreoftenthannot,theythinkofoneofthelargeinternationalchainsofschools.Somearevastlanguageteachingorganizationswithschoolsinmanydifferentcountriesandmayteachjustonelanguage.
Oneofthemainstrengthsofthesechainsisthefactthattheirnameisfamiliartopeopleallovertheworld.Thiscanbeabigadvantageintheconfusingworldoflanguagelearning.Moststudentsarebewilderedbymelargechoiceofschoolsandcoursesonoffer,bothathomeandabroad,andsomanyprefertochooseaschoolwhichhasafamiliarnameandanestablishedreputation.Chainschoolsknowthis,andpartoftheirsuccessisduetoeffectivemarketingandadvertising,whichhelpstokeeptheirnamewell-known.
Butchainschoolsshouldnotbedismissedbyseriousstudentsjustbecausetheyuseclevermarketingtechniques.Theyhaveotherimportantstrengthenswhichcanprovideadvantagestostudents.Aschoolisonlyasgoodasitsteachersandfacilities,andmanychainsofferveryhighstandardsinboth.Morechainsrequirethattheirteachershaveinternationallyrecognizedqualificationsandamaximumamountofteachingexperience.Itisimportantforchainstomaintainthesestandardsatallschools,becausethereputationofthewholechaincanbeaffectedifoneschoolperformsbadly.
Studentsalsobenefitfromthestandardizedstructureofchains.Mostchainsusethesametextbooksinalltheirschools,andoftentheyproducetheirowncourseworkmaterials.Theyalsoorganizetheircoursesinmesamewaywhichmeansthatstartingdatesandcourselengthsareusuallythesameatallschools.
Forstudents,oneofthemainadvantagesofthisstandardizedstructureissimplicity.IfyoucannotdecidewhethertostudyintheU.S.orBritain,forexample,mostchainsallowstudentstostarttheirlanguagecourseatoneschoolandcontinueatanother,sotheycanexperiencedifferentregionsordifferentcountries,aspartofthesamestudytrip.
Chainschoolstendtobelargerthansinglecenterschools,whichcanalsohaveadvantagesforstudents.Withlargernumbersofstudents,schooladministratorscanachieveabettermixtureofnationalitiesinclassrooms.Thismeansthatstudentscanavoidbeingwithotherstudentswhospeaktheirlanguage.Thisgivesthemthechancetomeetstudentsfromothercountries,andtopracticetheirEnglishwiththem.
Somechainsofferstudentsaverysimplebookingandenrolmentprocedurewhichisalsouseful.Applicationformsandenrolmentproceduresarethesameforallschools,sostudentsneedonlysupplytheirdetailsonce.
Studentsmayfindthattheycanbooktheircourseabroadthrougharepresentativeofachainschoolintheirowntownorcity.Otherchainsofferacentralizedbookingfacility,sostudentsonlyhavetocontactonecentertomakeabookinganywhereintheworld.
Chainschoolsoftenoperateindifferentlocations,whereasasingleschoolislikelytobebasedpermanentlyinonebuilding.Manychainschoolsoperatetemporaryschools,particularlyduringthesummerholidays.InBritain,theyoftenusesecondaryschoolpremiseswhichareemptyduringtheschoolholidays.
StudyingEnglishinanEnglish-speakingcountryisthemosteffectivewaytolearnthelanguage,butformanystudentsthisisonlyonestageoftheirlearningcareer.Moststudentsstartlearning
A.TrueB.Fasle
6.WhatdidEuropeansthinkofpotatoes?
7.PeopleintheCaucasusMountainsnotonlylivelongbutalsohaveagoodphysicalcondition.
A.RightB.Wrong
8.Besidestheproblemofspeakingtoofast,whatelsewillmakelisteningmoredifficult?
9.ThosewhovisitLondonwillcertainlygoto______.
A.theTowerofLondon
B.Harrods
C.BuckinghamPalace
D.TheGreenwichvillage
10.Allchainscanofferstudentsthesametypeofcourseindifferentplaces.
A.TrueB.Fasle
11.Whatsuggestiondoesthemanthinkitisgood?
A.Trytogiveupsmoking.
B.Eatsweetseverydayinsteadofsmoking.
C.Trytogiveuponecigaretteeveryday.
D.Gotoahypnotist.
12.Chainsdon'tofferstudentsthechancetopursuetheirstudyfromonecountrytoanother.
A.RightB.Wrong
13.Healthexpertssaythatallkindsofpeopleshoulddrinkatleastabout2litersofliquidseveryday.
A.TrueB.Fasle
14.WherecouldtheboatsfindthelettersatCapeHorn?
15.Whyshouldamanagerstudybehavioralmanagement?
二、2.UseofEnglish(10题)16.
【C18】
17.
【C16】
18.
【C12】
19.
【C11】
20.
【C20】
21.(43)
22.(35)
23.(45)
24.
【C19】
25.
【C7】
三、3.ReadingComprehension(15题)26.
Whichofthefollowingmightbetheresultfromtheuseofefficienttechnologyincorporations?
A.Thequantityofproductswillbeconsiderablyincreased.
B.Thecostofcomputerswillbedecreased.
C.Theperdocumentcostofinformationprocessingwillbereduced.
D.Thenewestinformationwillbeeasiertoobtain.
27.(73)
28.(76)
29.(78)
30.PartC
Directions:Answerquestions71-80byreferringtothefollowinggames.
Note:AnswereachquestionbychoosingA,BorCandmarkitonANSWERSHEET1.Somechoicesmayberequiredmorethanonce.
A=HydropowerB=NuclearpowerC=SolarpowerD=WindpowerWhichpower(power's)...
wasdevelopedtoprovideelectricityforsatellitesatthebeginning?71.______
canpromotetourismdevelopment?72.______
maygiveoffdangerousradioactivepollutionintotheair?73.______
mayaffectthedownstreamwaterqualityandhaveanimpactonplantlife?74.______
stationscanincreasetofullpowerveryquickly?75.______
producessmallamountsofwaste?76.______
isagoodmethodofsupplyingenergytoremoteareas?77.______
providesaround20%oftheworld'selectricity?78.______
canbeusedtoheatyourwaterathomeinsteadofsomuchgasorelectricity?79.______
isnotrenewable?80.______
A
Hydropower
Introduction
Wehaveusedrunningwaterasanenergysourceforthousandsofyears,mainlytogrindcorn.
ThefirsthouseintheworldtobelitbyhydroelectricitywasCragsideHouse,inNorthumberland,England,in1878.In1882ontheFoxRiver,intheUSA,hydroelectricityproducedenoughpowertolighttwopapermillsandahouse.
Nowadaystherearemanyhydro-electricpowerstations,providingaround20%oftheworld'selectricity.Thenamecomesfrom"hydro",theGreekwordforwater.
Howitworks
Adamisbuilttotrapwater,usuallyinavalleywherethereisanexistinglake.
Waterisallowedtoflowthroughtunnelsinthedam,toturnturbinesandthusdrivegenerators.
Advantages
Oncethedamisbuilt,theenergyisvirtuallyfree.
Nowasteorpollutionproduced.
Muchmorereliablethanwind,solarorwavepower.
Watercanbestoredabovethedamreadytocopewithpeaksindemand.
Hydro-electricpowerstationscanincreasetofullpowerveryquickly,unlikeotherpowerstations.
Disadvantages
Thedamsareveryexpensivetobuild.
Buildingalargedamwillfloodaverylargeareaupstream,causingproblemsforanimalsthatusedtolivethere.
Findingasuitablesitecanbedifficult—theimpactonresidentsandtheenvironmentmaybeunacceptable.
Waterqualityandquantitydownstreamcanbeaffected,whichcanhaveanimpactonplantlife.
Isitrenewable?
Hydro-electricpowerisrenewable.
TheSunprovidesthewaterbyevaporationfromthesea,andwillkeepondoingso.
B
Nuclearpower
Introduction
NuclearpowerisgeneratedusingUranium,whichisametalminedinvariouspartsoftheworld.
Thefirstlarge-scalenuclearpowerstationopenedatCalderHallinCambria,England,in1956.
Somemilitaryshipsandsubmarineshavenuclearpowerplantsforengines.
Howitworks
Nuclearpowerstationsworkinprettymuchthesamewayasfossilfuel-burningstations,exceptthata"chainreaction"insideanuclearreactormakestheheatinstead.
ThereactorusesUraniumrodsasfuel,andtheheatisgeneratedbynuclearfission.Neutronssmashintothenucleus
31.
Theauthorimpliesinthesecondparagraphthat______.
A.theproposaloftheDepartmentofJusticeisunjustified
B.surveillanceofanysuspectcommunicationisnecessary
C.civillibertiesgroupsshouldnothaveshownsuchgreatconcern
D.exceptionsshouldbemadeininterceptingcommunications
32.(67)
33.PartB
Directions:Inthefollowingarticlesomeparagraphshavebeenremoved.ForQuestions66-70,choosethemostsuitableparagraphfromthelistA-Ftofitintoeachofthenumberedgaps.Thereisoneparagraphwhichdoesnotfitinanyofthegaps.MarkyouranswersonANSWERSHEET1.
Inthefollowingarticlesomeparagraphshavebeenremoved.ForQuestions66~70,choosethemostsuitableparagraphfromthelistA~Ftofitintoeachofthenumberedgaps.Thereisoneparagraphwhichdoesnotfitinanyofthegaps.MarkyouranswersonANSWERSHEET1.
Fromhervantagepointshewatchedthemaindoorsswingopenandthefirstarrivalspourin.Thosewhohadbeenattheheadofthelinepausedmomentarilyonentry,lookedaroundcuriously,thenquicklymovedforwardasothersbehindpressedin.Withinmomentsthecentralpublicareaofthebigbranchbankwasfilledwithachattering,noisycrowd.Thebuilding,relativelyquietlessthanaminuteearlier,hadbecomeaBabel.Edwinasawatallheavysetblackmanwavesomedollarbillsandannounceloudly,"Iwanttoputmymoneyinthebank."
66.______
Itseemedasifthereportabouteveryonehavingcometoopenanaccounthadbeenaccurateafterall.
Edwinacouldseethebigmanleaningbackexpansively,stillholdinghisdollarbills.Hisvoicecutacrossthenoiseofotherconversationsandsheheardhimproclaim,"I'minnohurry.There'ssomethingI'dlikeyoutoexplain."
Twootherdeskswerequicklymannedbyotherclerks.Withequalspeed,longwidelinesofpeopleformedinfrontofthem.
Normally,threemembersofstaffwereampletohandlenewaccountbusiness,butobviouslyinadequatenow.EdwinacouldseeTottenhoeonthefarsideofthebankandcalledhimontheintercom.Sheinstructed,"Usemoredesksfornewaccountsandtakeallthestaffyoucansparetomanthem."
67.______
Tottenhoegrumbledinreply,"Yourealizewecan'tpossiblyprocessallthesepeopletoday,andhowevermanywedowilltieusupcompletely."
"I'vegotanidea,"Edwinasaid,"that'swhatsomeonehasinmind.Justhurrytheprocessingallyoucan."
68.______
First,anapplicationform.calledfordetailsofresidence,employment,socialsecurity,andfamilymatters.Aspecimensignaturewasobtained.Thenproofofidentitywasneeded.Afterthat,thenewaccountsclerkwouldtakealldocumentstoanofficerofthebankforapprovalandinitialing.Finally,asavingspassbookwasmadeoutoratemporarycheckbookissued.
Thereforethemostnewaccountsthatanybankemployeecouldopeninanhourwerefive,sothethreeclerkspresentlyworkingmighthandleasumofninetyinonebusinessday,iftheykeptgoingattopspeed,whichwasunlikely.
69.______
Stillthenoisewithinthebankincreased.Ithadbecomeanuproar.
Afurtherproblemwasthatthegrowingmassofarrivalsinthecentralpublicareaofthebankwaspreventingaccesstotellers'countersbyothercustomers.Edwinacouldseeafewofthemoutside,regardingthemillingscenewithconsternation.Whileshewatched,severalgaveupandwalkedaway.
Insidethebanksomeofthenewcomerswereengagingtellersinconversationandthetellers,havingnothingelsetodobecauseofthemelee,chattedback.Twoassistantmanagershadgonetothecentralfloorareaandweretryingtoconductthefloodofpeoplesoastoclearsomespaceatcounters.Theywerehavingsmallsuccess.
70.______
Shedecideditwastimeforherownintervention.
Edwinalefttheplatform.andafailed-offstaffareaand,withdifficulty,madeherwaythroughthemillingcrowdtothemainfrontdoor.
A.Yetsheknewhowevermuchtheyhurrieditwouldstilltaketentofifteenminutestoopenanysinglenewaccount.Italwaysdid.Thepaperwo
34.Itwaslateintheafternoon,andIwasputtingthefinaltouchonapieceofwritingthatIwasfeelingprettygoodabout.Iwantedtosaveit,butmycursorhadfrozen.Itriedtoshutthecomputerdown,anditseizedupaltogether.Unsureofwhatelsetodo,Iyanked(用力猛拉)thebatteryout.
Unfortunately,Windowshadbeeninthemidstofadelicateandcrucialundertaking.Thenextmorning,whenIturnedmycomputerbackon,itinformedmethatafilehadbeencorruptedandWindowswouldnotload.Then,itofferedtorepairitselfbyusingtheWindowsSetupCD.
IopenedthespecialdrawerwhereIkeepCDs,butnoWindowsCDinthere.Iwasforcedtocallthecomputercompany'sGlobalSupportCentre.Mycallwasansweredbyawomaninsomeunnamed,far-offland.IfinditannoyingtomakesmalltalkwithsomeonewhenIdon'tknowwhatcontinentthey'restandingon.SupposeIweretocommentonthebeautifulweatherwe'vebeenhavingwhentherewasamonsoonattheotherendofdiephone?SoIgotrighttothepoint
"Mycomputeristellingmeafileiscorruptedanditwantstofixitself,butIdon'thavetheWindowsSetupCD."
"Soyou'rehavingaproblemwithyourWindowsSetupCD."Shehasapparentlybeendozingand,havingcometojustasthesentenceended,wasattemptingtocoverforherinattention.
Itquicklybecameclearthatthewomanwasnotacomputertechnician.Herjobwastoserveasagatekeeper,ahumanshieldforthetechnicians.Hersoleduty,asfarasIcouldtell,wastoraiseglobalstresslevels.
Tomakemedisappear,thewomangavemethephonenumberforWindows'creator,Microsoft.Thisislikegivingsomeonethephonenumberfor,Idon'tknow,NorthAmerica.Besides,theCDworked;Ijustdidn'thaveit.NomatterhowmanytimesIrepeatedmystory,wecamebacktothesameplace.Shewascalmandresolutelypolite.
Whenmyvoicehitacertaindecibel(分贝),Iwaspassedalong,likeahot,irritablepotato,toatechnician.
"Youdon'thavetheWindowsSetupCD,ma'am,becauseyoudon'tneedit,"heexplainedcheerfully.
"Windowscamepreinstalledonyourcomputer!"
"ButIdoneedit
"Yes,butyoudon'thaveit."Wewentonlikethisforawhile.Finally,heofferedtowalkmethroughtheuseofadifferentCD,onethatwoulderasemyentiresystem."Ofcourse,you'dloseallyoure-mail,yourdocuments,yourphotos."Itwaslikeofferingtodropasafeonmyheadtocuremyheadache."Youmightbeabletorecoverthem,butitwouldbeexpensive."Hesoundeddelighted."Andit'snotcoveredbythewarranty(产品保证书)!"Thesafebegantoseemlikeagoodidea,provideditwasfull.
Ihungupthephoneanddrovemycomputertoasmall,friendlyrepairplaceI'dheardabout.Asmart,helpfulmandugoutaWindowsCDandtoldmeitwouldn'tbeaproblem.Anhourlater,hecalledtoletmeknowitwasready.Ithankedhim,andwechattedabouttheweather,whichwasthesameoutsidemywindowasitwasoutsidehis.
Whydidtheauthorshutdownhercomputerabruptly?
A.Shehadsavedwhatshehadwritten.
B.Shecouldn'tmovethecursor.
C.Thecomputerrefusedtowork.
D.Thecomputerofferedtorepairitself.
35.
Itcanbeinferredfromthepassagethat______.
A.thedropofcrimerateiscausedbyJackMaples'stwo-tiersystem
B.thedropofcrimerateiscausedbytheincreasedimprisonment
C.itisdifficulttoidentifytheexactcauseforthefallofcrimerate
D.theincreasedimprisonmentisnotthereasonforthefallofcrimerate
36.(77)
37.(72)
38.PartA
Directions:ReadthefollowingtextsandanswerthequestionswhichaccompanythembychoosingA,B,CorD.MarkyouranswersonANSWERSHEET1.
Inathree-monthperiodlastyear,twoBrooklyniteshadtobecutoutoftheirapartmentsandcarriedtohospitalonstretchersdesignedfortransportingsmallwhales.TheNationalAssociationtoAdvanceFatAcceptance(NAAFA)arguesmatitwasnottheircombined900kgbulkthatmadethemill.Obesity,accordingtoNAAFA,isnotbadforyou.And,evenifitwas,thereisnothingtobedoneaboutit,becausegenesdictateweight.Attemptingtoeatlessmerelyslowsmetabolism,havingpeopleaschubbyasever.
ThisisthefatlashmovementthatcausesAmerica'sslimmingindustrysomuchpain.InhisbookBinFatLies(Ballantine,1996),GlennGaessersaysthatnostudyyethasconvincinglyshownthatweightisanindependentcauseofhealthproblems.Fatnessdoesnotkillpeople;thingslikehypertension,coronaryheartdiseasesandcancerdo.MichaelFumento,authorofTheFatoftheLand(Viking,1997),ananti-fatlashdiatribe,comparesDrGaesser'slogicwithsayingthattheguillotinedidnotkillLouisXVI:Rather,itwastheseveringofhisvertebrae,thecuttingofallthebloodvesselsinbisneck,and...thetraumacausedbyhisheaddroppingseveralfeetintoawickerbasket.
Beingfatkillsinseveralways.Itmakespeoplefarmorelikelytosufferfromheartdiseaseorhighbloodpressure.Evenmoderateobesityincreasesthechanceofcontractingdiabetes.Being40%overweightmakespeople30%-50%morelikelytodieofcancer,accordingtotheAmericanCancerSociety.Extremefatnessmakespatientssomuchlesslikelytosurvivesurgerythatmanydoctorsrefusetooperateuntiltheyslim.
Theideathatbeingoverweightiscausedbyobesitygenesisnotwhollyfalse:researchershavefoundanumberofgenesthatappeartomakesomepeopleburnoffenergyataslowerrate.Butgenesarenotdestiny.Thedifferencebetweensomeonewithageneticpredispositiontogainweightandsomeonewithoutappearstoberoughly40calories—oraspoonfulofmayonnaise—aday.
Analternativefatlashargument,advancedinbookssuchas.DeanOnrush'sEatMore,WeightLess(HarperCollies,1993)andDateAtrens'sDon'tDiet(WilliamMorrow,1978),isthatfatnessisnotamatterofeatingtoomuch.TheynotethatasAmericans'weighthasballoonedoverthelastfewdecades,theirreportedcaloricintakehasplunged.Thissimplyexplainspeople'sownrecollectionofhowmuchtheyeatisextremelyunreliable.Andastheygrowfatter,peoplefeelguiltyandaremorelikelytofibabouthowmuchtheyeat.Allreputablestudiesshowthateatinglessandexercisingreduceweight.
Certainly,thebody'smetabolismslowsalittlewhenyouloseweight,becauseittakeslessenergytocarrylessbulkaround,andbecausedietingcanmakethebodyfearitisabouttostarve.Butasensiblelow-fatdietmakesweightlosspossible.Thefatlashmovementisdangerous,becauseshmmerswilloftenfindanyexcusetogiveup.Totellpeoplethatitishealthytobeobeseistoencouragethemtolivesickanddieyoung.
ThetwoBrooklynitesinthefirstparagraphwere______.
A.membersoftheNWA
B.typicalvictimsofoverweight
C.membersofthe"fatlash"movement
D.proofthatthefatlashmovementisgainingstrength
39.
WhatdoestheauthorthinkofBotticelli'srepresentationskills?
A.Theyaretobefullyappreciated.
B.Theyevolvefromanuncertainsource.
C.Theyunderliehispersonality.
D.Theyconform.totheclassicalstyle.
40.Beforeabigexam,asoundnight'ssleepwilldoyoubetterthanporingovertextbooks.That,atleast,isthefolkwisdom.Andscience,intheform.ofbehavioralpsychology,supportsthatwisdom.Butsuchbehavioralstudiescannotdistinguishbetweentwocompetingtheoriesofwhysleepisgoodforthememory.Onesaysthatsleepiswhenpermanentmemoriesform.Theothersaysthattheyareactuallyformedduringtheday,butthen“edited”atnight,toflushawaywhatissuperfluous.
Totellthedifference,itisnecessarytolookintothebrainofasleepingperson,andthatishard.Butafteradecadeofpainstakingwork,ateamledbyPierreMaquetatLiegeUniversityinBelgiumhasmanagedtodoit.TheparticularstageofsleepinwhichtheBelgiangroupisinterestedisrapideyemovement(REM)sleep,whenbrainandbodyareactive,heartrateandbloodpressureincrease,theeyesmovebackandforthbehindtheeyelidsasifwatchingamovie,andbrainwavetracesresemblethoseofwakefulness.Itisduringthisperiodofsleepthatpeoplearemostlikelytoreliveeventsofthepreviousdayindreams.
Dr.MaquetusedanelectronicdevicecalledPETtostudythebrainsofpeopleastheypracticedataskduringtheday,andastheysleptduringthefollowingnight.Thetaskrequiredthemtopressabuttonasfastaspossible,inresponsetoalightcomingoninoneofsixpositions.Astheylearnthowtodothis,theirresponsetimesgotfaster.Whattheydidnotknowwasthattheappearanceofthelightssometimesfollowedapattern—whatisreferredtoas“artificialgrammar”.Yetthereductionsinresponsetimeshowedthattheylearntfasterwhenthepatternwaspresentthanwhentherewasnot.
Whatismore,thosewithmoretolearn(i.e.the“grammar”,aswellasthemechanicaltaskofpushingthebutton)havemoreactivebrains.The“editing”theorywouldnotpredictthat,sincethenumberofirrelevantstimuliwouldbethesameineachcase.Andtoeliminateanydoubtsthattheexperimentalsubjectswerelearningasopposedtounlearning,theirresponsetimeswhentheywokeupwereevenquickerthanwhentheywenttosleep.
Theteam,therefore,concludedthatthenerveconnectionsinvolvedinmemoryarereinforcedthroughreactivationduringREMsleep,particularlyifthebraindetectsaninherentstructureinthematerialbeinglearnt.Sonow,ontheeveofthatcrucialtest,mathsstudentscansleepsoundlyintheknowledgethatwhattheywillrememberthenextdayarethebasicrulesofalgebraandnottheincoherenttalkfromtheradionextdoor.
Researchersinbehavioralpsychologyaredividedwithregardto______.
A.howdreamsaremodifiedintheircourses
B.thedifferencebetweensleepandwakefulness
C.whysleepisofgreatbenefittomemory
D.thefunctionsofagoodnight'ssleep
四、阅读理解(5题)41.
第
48
题
Whichofthefollowingmightbetheresultf
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