2022-2023年吉林省白城市公共英语五级(笔试)模拟考试(含答案)

2022-2023年吉林省白城市公共英语五级(笔试)模拟考试(含答案)学校:________班级:________姓名:________考号:________

一、1.ListeningComprehension(15题)1.Chainsdon'tproducetheirowncoursebookmaterial.

A.RightB.Wrong

2.PartB

Directions:Youwillhear3conversationsortalksandyoumustanswerthequestionsbychoosingA,B,CorD.YouwillheartherecordingONLYONCE.

听力原文：M：Now，I'dliketosaythatIthinkthatthisgovernmentproposingtobuildmorenuclearpowerstationsinthiscountryisreallybeingstupid．Thepointaboutnuclearpoweristhatwehaven'tlearnttodoawaywiththewaste．Wehaven'tlearnttocopewiththewastefromityet．

W：Well，Isometimesthinkthat，youknow，they'vegotanimpossiblejob．ImeanalltheimpressionIgetisthatthereisnoalternative…well,that'stheimpressionIget．

M：No，no，noI…Idon'tagreewiththatatall.Thereareplentyofalternatives．There'sthesun…solarpower…thatisasourcethatisalwaysthere，wealwayshaveit．

W：Idon't…Idon'tquiteseewhatyou'regettingatactually，solarpower，what'sthat?

M：Well，theheatfromthesun，itcanbeusedinsolarpanelsonthetopsofhousesforheating，storinguppowertoheatwaterandtoheatthehouses，youknow，somesolarpanelsareinoperationalreadyandtheyaresavingmoney…

W：That'sagoodpointactually，butisitreallyviable，that，ImeanbecauseI'd…

M：Sorryitmustbe!AndtheonegreatadvantageisthatIcansee，ifthegovernmentsetupsmallunitstobuildsolarpanelsandtoinstallthem，itwouldbecreatingemploymentwhichwouldimprovetheunemploymentsituationandbringterrificadvantages．

W：IhaveheardthatinEngland，Imean，there'snotenoughsun，isthere?For，Imean，solarpanelshere?

M：Yes，well，that'snotquitetrue．I…thereisquiteabitofsun…youmaynotfeeltheactualheatofitonsomeoccasions．

W：No，youarefightthere!

M：Butthelightpowerfromthesunwill…

Whatdoesthemanthinkofthegovernment'spresentproposalaboutbuildingmorepowerstationsinthecountry?

A.It'sadangerousproposal.

B.It'sastupidproposal.

C.It'sanadvantageousproposal.

D.It'saviableproposal.

3.Whataretheshoppinggoodsthatarebasicallyconsideredthesame?

A.Thosethatsatisfysimilarneedsoftheconsumer.

B.Thosethatconsumersdon'tcarewheretobuy.

C.Thosethatconsumersspendmuchtimelookingfor.

D.Thosethatcanbefoundeverywhere.

4.PeopleintheCaucasusMountainsnotonlylivelongbutalsohaveagoodphysicalcondition.

A.TrueB.Fasle

5.听力原文：M：Haveyousettledin?

W：Yes，Ifeelmyselfquiteathomenow．Ihaven'tgotusedtothefoodyetbutI'menjoyingthelifeoncampus．

M：Good．Nowwe'dbettermakesureyouenjoyyourstudies．Weofferaverywiderangeofoptionsonthefoundationcourse，asyouknow，butyoucanonlytakesixcourses．Doyouknowwhatyouwanttodoyet?

W：Yes，moreorless：butI'mnotsurewhethertodobiologicalsciencesorGerman．

M：Well，that'squiteadifference．Let'ssee…you'veselectedtodo：physicalsciences，basicelectronics，artanddesign，CAD…that'scomputeraideddesignandEnglish．

W：Yes，fivecourses．

M：That'squitearange．Don'tyouwanttodomathsorcomputerprogramming，forexample?

W：Well,I'minterestedinelectronicsincomputersespeciallyinwritingcomputergames．I'dliketoproduceeducationalsoftware，educationalgames，

eventually．I'vetaughtmyselfalotofprogrammingandIwasgoodatmaths．Idon'tthinkIneedeitherofthem．

M：Then．whydidyouchoosetodoananddesign?

W：Well．thatwillbegoodformygraphics．Ineedthattoproducegames…CAD．too．I'veneverdonecomputeraideddesignbefore．

M：No…right…they'vegotsomepowerfulpackagesinthecomputergraphicsandCADoffices…you'llenjoythat．So…thatleavesEnglish．It'smostlyEnglishliterature．IknowyourEnglishisallright．Butasafirstyearstudent．you'llhavetotaketheCambridgeProficiencyTest．

W：Allfight．

Whoistheman?

A.Studentadvisor.

B.Courseteacher.

C.Admissionsofficer.

D.Departmentsecretary.

6.WherewasthefinalsoftheWorldCupin1994held?

A.InEngland.B.IntheUSA.C.InMexico.D.InFrance.

7.Accordingtothespeaker,howdodeveloperscontributetothereductionofamphibianpopulation?

A.Bytakingoverponds.

B.Byconstructingsewers.

C.Bybuildingdamsonrivers.

D.Byfloodingmarshes.

8.Accordingtothefigureoftheacademicyear1995/96，wheredothelargestnumberofforeignstudentscomefrom?

9.WangpreferstolivewithanEnglishfamily.

A.RightB.Wrong

10.Whatdoesrepetitionofideasmean?

11.Inwhichrespectdoesthestudents'organizationsseemtobeeffective?

A.Dealingwithacademicaffairsoftheuniversity.

B.Ensuringthatthestudentsobserveuniversityregulations.

C.Evaluatingstudents'performanceintheirstudy.

D.Keepingupthestudents'enthusiasmforsocialactivities.

12.WhatistheeffectoftheWomen'sMovement?

13.Accordingtothewoman,whyarewomenmuchbetteratdealingwithmorethanonethingatatime,butmenarenotasgood?

A.Becausewomenhavebetterabilities.

B.Becausemenarenotusedtohousework.

C.Becausemenlackpractice,

D.Becausemenfinditeasytoconcentrateononlyonething.

14.Whatistherelationshipbetweenthemanandthewomaninthedialogue?

A.Reporterandfashiondesigner.

B.Husbandandwife.

C.Shopassistantandcustomer.

D.Teacherandstudent.

15.Thespeakerwillintroducesixdepartmentalmanagersonebyone.

A.TrueB.Fasle

二、2.UseofEnglish(10题)16.(47)

17.

【C7】

18.(32)

19.

【C13】

20.Childrenwhogriptheirpenstooclosetothewritingpointarelikelytobeatadisadvantageinexaminations,【31】______tothefirstseriousinvestigationintothewayinwhichwritingtechniquecandramaticallyaffecteducationalachievement.

Thesurveyof643childrenandadults,rankingfrompre-schoolto40-plus,alsosuggests【32】______pen-holdingtechniqueshavedeterioratedsharplyoveronegeneration,withteachersnowpayingfar【33】______attentiontocorrectpengripandhandwritingstyle.

StephanieThomas,alearningsupportteacher【34】______findingshavebeenpublished,wasinspiredtoinvestigatethisarea【35】______henoticedthatthosestudentswhohadthemosttroublewithspelling【36】______hadapoorpengrip.WhileMr.Thomascouldnotestablishasignificantstatisticallink【37】______pen-holdingstyle.andaccuracyinspelling,he【38】______findhugedifferencesintechniquebetweentheyoungchildrenandthematureadults,andadefinite【39】______betweennear-pointgrippingandslow,illegiblewriting.

Peoplewho【40】______theirpensatthewritingpointalsoshowothercharacteristics【41】______inhibitlearning,【42】______aspoorposture,leaningtoo【43】______tothedesk,usingfourfingerstogripthepen【44】______thanthree,andclumsypositioningofthethumb(whichcanobscure【45】______isbeingwritten).

Mr.Thomasbelievesthatthe【46】______betweenelderandyoungerwritersis【47】______toodramatictobeaccountedforsimplybythepossibilitythatpeoplegetbetteratwritingastheygrow【48】______.Heattributesittoafailuretoteachthemosteffectivemethods,pointingoutthatthedifferencesbetween【49】______groupscoincideswiththeabandonmentofformalhandwritinginstructioninclassroomsinthesixties."The30-year-oldshowedahugediversityofgrips,【50】______theover40sgroupallhadauniform.'tripod'grip."

(31)

21.

【C19】

22.

【C20】

23.(37)

24.(34)

25.(41)

三、3.ReadingComprehension(15题)26.(79)

27.PartB

Directions:Inthefollowingarticlesomeparagraphshavebeenremoved.ForQuestions66-70,choosethemostsuitableparagraphfromthelistA-Ftofitintoeachofthenumberedgaps.Thereisoneparagraphwhichdoesnotfitinanyofthegaps.MarkyouranswersonANSWERSHEET1.

AccordingtotheAmericanAcademyofDermatology,anestimated10to50millionpeopleinthiscountryhaveanallergicreactiontopoisonivyeachyear.Poisonivyisoftenverydifficulttospot.Itcloselyresemblesseveralothercommongardenplants,andcanalsoblendinwithotherplantsandweeds.Butifyoucomeintocontactwithit,you'11soonknowbytheitchy,blisteryrashthatformsonyourskin.Poisonivyisared,itchyrashcausedbytheplantthatbearsitsname.Manypeoplegetitwhentheyarehikingorworkingintheirgardenandaccidentallycomeintodirectcontactwiththeplant'sleaves,roots,orstems.Thepoisonivyrashoftenlookslikeredlines,andsometimesitformsblisters.

66.______

About85percentofpeopleareallergictotheurushiolinpoisonivy,accordingtotheAmericanAcademyofDermatology.Onlyatinyamountofthischemical—1billionthofagram—isenoughtocausearashinmanypeople.Somepeoplemayboastthatthey'vebeenexposedtopoisonivymanytimesandhavenevergottentherash,butthatdoesn'tnecessarilymeanthey'renotallergic.Sometimestheallergydoesn'temergeuntilyou'vebeenexposedseveraltimes,andsomepeopledeveloparashaftertheirveryfirstexposure.Itmaytakeuptotendaysfortherashtoemergethefirsttime.

67.______

Herearesomeotherwaystoidentifythepoisonivyplant.Itgenerallygrowsinaclusteroflow,weed-likeplantsorawoodyvinewhichcanclimbtreesorfences.Itismostoftenfoundinmoistareas,suchasriverbanks,woods,andpastures.Theedgesoftheleavesaregenerallysmoothorhavetiny"teeth".Theircolorchangesbasedontheseason—reddishinthespring;greeninthesummer;andyellow,orange,orredinthefall.Itsberriesaretypicallywhite.

68.______

Thebody'simmunesystemisnormallyinthebusinessofprotectingusfrombacteria,viruses,andtheirforeigninvadersthatcanmakeussick.Butwhenurushiolfromthepoisonivyplanttouchestheskin,itinstigatesanimmuneresponse,calleddermatitis,towhatwouldotherwisebeaharmlesssubstance.Hayfeverisanotherexampleofthistypeofresponse;inthecaseofhayfever,theimmunesystemoverreactstopollen,oranotherplant-producedsubstance.

69.______

Theallergicreactiontopoisonivyisknownasdelayedhypersensitivity.Unlikeimmediatehypersensitivity,whichcausesanallergicreactionwithinminutesofexposuretoanantigen,delayedhypersensitivityreactionsdon'temergeforseveralhoursorevendaysaftertheexposure.

70.______

Intheplaceswhereyourskinhascomeintocontactwithpoisonivyleavesorurushiol,withinonetotwodaysyou'lldeveloparash,whichwillusuallyitchrredden,burn,swell,andform.blisters.Therashshouldgoawaywithinaweek,butitcanlastlonger.Theseverityofthereactionoftenhastodowithhowmuchurushiolyou'vetouched.Therashmayappearsoonerinsomepartsofthebodythaninothers,butitdoesn'tspread—theurushiolsimplyabsorbsintotheskinatdifferentratesindifferentpartsofthebody.Thickerskinsuchastheskinontheonsolesofyourfeet,ishardertopenetratethanthinnerskinonyourarmsandlegs.

A.Becauseurushiolisfoundinallpartsofthepoisonivyplant—theleaves,stems,androots—it'sbesttoa-voidtheplantentirelytopreventarash.Thetroubleis,poisonivygrowsalmosteverywhereintheUnitedStates(withtheexceptionoftheSouthwest,Alaska,andHawaii),sogeographywon'thelpyou.Thegeneralruletoidentifypoisonivy,"leafletsthree,

28.(72)

29.(80)

30.(70)

31.PartB

Directions:Inthefollowingarticlesomeparagraphshavebeenremoved.ForQuestions66-70,choosethemostsuitableparagraphfromthelistA-Ftofitintoeachofthenumberedgaps.Thereisoneparagraphwhichdoesnotfitinanyofthegaps.MarkyouranswersonANSWERSHEET1.

Inthefollowingarticlesomeparagraphshavebeenremoved.ForQuestions66～70,choosethemostsuitableparagraphfromthelistA~Ftofitintoeachofthenumberedgaps.Thereisoneparagraphwhichdoesnotfitinanyofthegaps.MarkyouranswersonANSWERSHEET1.

Thepressisconstantlyremindingusthatthedramaticincreaseintheageofourpopulationoverthenext30orsoyearswillcausenationalhealthcaresystemstocollapse,economiestocrumpleunderthestrainofpensiondemandsanddisintegratingfamiliestobuckleunderincreasingcarecommitments.YetresearchatOxfordisbeginningtoexposesomeofthewidespreadmythsthatunderliethisrhetoric.Demographicageingisundoubtedlyareality.Lifeexpectancyindevelopedcountrieshasrisencontinuouslyoverthepastcentury,increasingthepercentageofthoseovertheageof60relativetothoseundertheageof15.By2030halfthepopulationofWesternEuropewillbeovertheageof50,withapredictedaveragelifeexpectancyofafurther40years.Bythen,aquarterofthepopulationwillbeover65andby2050theUK'scurrentnumberof10,000centenariansarepredictedtohavereachedaquarterofamillion.SomedemographershaveevensuggestedthathalfofallbabygirlsbornintheWesttodaywilllivetoseethenextcentury.

66.______

Indeed,ifthiscouldbeachievedthroughouttheworld,itwouldsurelycountasthesuccessofcivilization,forthenwewouldalsohaveconqueredthekillersofpoverty,disease,famineandwar.

Decreasingmortalityrates,increasinglongevityanddecliningfertilitymeansmallerpercentagesofyoungpeoplewithinpopulations.Overthepast20yearslifeexpectancyatbirthintheUKhasrisenbyfouryearsformen(to75)andthreeyearsforwomen(to80).MeanwhilefertilityratesacrossEuropehavedeclinedmoreorlesscontinuouslyoverthepast40yearsandremainwellbelowthelevelsrequiredforEuropeanpopulationstobeabletoreplacethemselveswithoutsubstantiveimmigration.Butagain,ratherthanseeingthisasadoomandgloomscenario,weneedtoexplorethepositiveaspectsofthesedemographics.Thenext50yearsshouldprovideuswithanopportunitytoenjoythemanyadvantagesofasocietywithamaturepopulationstructure.67.______

ThefirstoftheseisthecurrentpoliticalrhetoricwhichclaimsthathealthservicesacrosstheWesternworldarecollapsingunderthestrainofdemographicageing.

68.______

Thesecondmythistheviewthattheratioofworkerstonon-workerswillbecomesoacutethatWesterneconomieswillcollapse,compoundedbyamassivegrowthinpensiondebt.Whilethereareundoubtedconcernsovercurrentpensionshortfalls,itisaisoclearthatworkingliveswillthemselveschangeoverthenextfewdecades,withapredictedincreaseinflexibleandpart-timeworkandtheprobableextensionofworkinglifeuntiltheageof70.Indeed,wehavetorecognizethatwecannotexpecttoretireattheageof50andthenbeabletosupportourselvesforanother40orsoyears.Neitherasolidpensionschemenorsavingscancarrypeoplethatlong.

69.______

Afurthermythisthatwewillallliveinloose,multigenerationalfamilies,experiencingincreasedemotionaldistancingfromourkin.Evidencefromavarietyofstudiesacrossthedevelopedworldsuggeststhat,ifanything,themodemfamilyisactuallybecomingmoreclose-knit.WorkcardedoutbytheOxfordInstituteinScandinaviaandinaPan-EuropeanFamilyCareStudy,forexample,showsthatdespitetheinfluenceofth

32.PartC

Directions:Answerquestions71-80byreferringtothefollowinggames.

Note:AnswereachquestionbychoosingA,BorCandmarkitonANSWERSHEET1.Somechoicesmayberequiredmorethanonce.

Answerquestions71～80byreferringtothefollowinggames.

Note:AnswereachquestionbychoosingA,B,CorDandmarkitonANSWERSHEET1.Somechoicesmayberequiredmorethanonce.

A=BOOKREVIEW1B=BOOKREVIEW2

C=BOOKREVIEWS3D=BOOKREVIEW4

Whichbookreview(s)contain(s)thefollowinginformation?

Comparisonofthesignificanceoftwoeconomicbooks.71.______

Stiglitz'sprestigeinthefieldofeconomics.72.______

Stiglitz'scriticismofthosewhoexaggeratedthepowerofmarketsindevelopingcountries.73.______

Policymakingshouldconsiderlocalconditions.74.______

Theinterventionofgovernmentisthewaytoassistglobalization.75.______

Stiglitz'sdedicationtothedevelopmentofpoorcountries.76.______

Stiglitz'spreferenceofonetypeofeconomicpolicyoveranotherone.77.______

MorepeoplejoinedStiglitzincriticizingfreetradeandglobalization.78.______

Stiglitz'spointshavebeensupportedbywhatactuallyhappenedinthecountry.79.______

MainlygivespositivecommentsonStiglitzandhisnewbook.80.______

AThemainpointofthebookissimple:globalizationisnothelpingmanypoorcountries.Incomesarenotrisinginmuchoftheworld,andadoptionofmarket-basedpoliciessuchasopencapitalmarkets,freetrade,andprivatizationaremakingdevelopingeconomieslessstable,notmore,Insteadofabiggerdoseoffreemarkets,Stiglitzargues,what'sneededtomakeglobalizationworkbetterismoreandsmartergovernmentintervention.Whilethishasbeensaidbefore,theideascarrymoreweightcomingfromsomeonewithStiglitz'scredentials.Insomeways,thisbookhasthepotentialtobetheliberalequivalentofMiltonFriedman's1962classicCapitalismandFreedom,whichhelpedprovidetheintellectualfoundationforagenerationofconservatives.ButGlobalizationandItsDiscontentsdoesnotrisetothelevelofcapitalismandfreedom.WhileStiglitzmakesastrongcaseforgovernmentorienteddevelopmentpolicy,beignoressomekeyargumentsinfavorofthemarket."Thebook'smainvillainistheInternationalMonetaryFund,theWashingtonorganizationthatlendstotroubledcountries",Stiglitz'contemptfortheLMFisboundless,"ItisclearthattheIMFhasfailedinitsmission,"hedeclares."ManyofthepoliciesthattheIMFpushedhavecontributedtoglobalinstability."

BWhilepartsofthisbookaredisappointinglyshallow,Stiglitz'scritiqueofthemarket-driven90'sstillresonates,especiallywhenthebusinesspageisfullofstoriesaboutwhite-collarcrimeandthestockmarketseemsstuckinaperpetualrut.EventheUnitedStatescannotblithelyassumethatfinancialmarketswillworkonautopilot.ItistestamenttothesalienceofStiglitz'sargumentsthatmanyeconomists—evensomeBushAdministrationofficials—nowembracehisviewthateconomicchangeinthedevelopingworldmustevolvemorewithlocalconditions,notonWashington'scalendar.Withoutathoroughmakeover,globalizationcouldeasilybecomeaquagmire.StiglitzsharedaNobelPrizelastyearforhisworkanalyzingtheimperfectionsofmarkets.HismaincomplaintagainstRubinandSummers,whoservedasTreasurySecretaries,andagainstFischer,theNO.2officialanddefactochiefexecutiveoftheinternationalMonetaryFund,isthattheyhadtoomuchfaiththatmarketscouldtransform.poorcountriesovernight.Helabelsthesethreemenmarketfundamentalists,whofoughttomaintainfinancialstabilitywiththesameurgencythatanearliergenerationstruggle

33.

WhatdoestheauthorsayabouttheordinarypeopleintheThirdWorldcountries?

A.Theyarebeginningtorealizetheimportanceofenvironmentalprotection．

B.Theybelievethatmanychildrenarenecessaryforprosperity．

C.Theyarereluctanttoacceptadvicefromthegovernment．

D.Theythinkthatearningalivingismoreimportantthannatureconservation．

34.

Inthethirdparagraph,Dr.Laraghimpliesthat______.

A.peopleshouldnotbeafraidoftakingexcessivesalt

B.doctorsshouldnotadvisepeopletoavoidsalt

C.anadequatetoexcessivesaltintakeisrecommendedforpeopleindisease

D.excessivesaltintakehasclaimedsomevictimsinthegeneralpopulation

35.

______iscircularinthenorthernpartwhilesquareinthesouthernpart?

36.(77)

37.

Attheendofthepassagetheauthorproposesmoreworkon______.

A.thebrainstructureasawhole

B.thefunctioningofpartofthebrain

C.thedistinctionbetweenthesexes

D.theeffectsofthecorpuscallosum

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.

"Itwaslikeofferingtodropasafeonmyheadtocuremyheadache"inthelastbutoneparagraphmeansthat______.

A.dietechnician'sproposalwouldmaketilingsevenworse

B.thetechnician'sproposalcouldeventuallysolvetheproblem

C.filesstoredonhercomputerwerelikeasafe

D.erasingtheentiresystemwaslikecuringaheadache

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

23

题

Inpolitics，astronautsaregenerally__________．

42.

根据下列文章回答31～35题：

第

31

题

WhatdidCosgrovedobeforehebecameateacherteachinghistory?

43.

第

32

题

canpromotetouri