2021年宁夏回族自治区固原市公共英语五级(笔试)知识点汇总（含答案）

2021年宁夏回族自治区固原市公共英语五级(笔试)知识点汇总（含答案）学校:________班级:________姓名:________考号:________

一、1.ListeningComprehension(15题)1.Ourhumanfriendssometimesmaymakeusbored,butthefriendsinbooksmayalsobehurtbyus.

A.TrueB.Fasle

2.MDrefersto“adoctorofmedicine”．

A.RightB.Wrong

3.WhatwasmarkedoneachboxinsidethetreeinWashington?

4.Accordingtothewoman,whyarewomenmuchbetteratdealingwithmorethanonethingatatime,butmenarenotasgood?

A.Becausewomenhavebetterabilities.

B.Becausemenarenotusedtohousework.

C.Becausemenlackpractice.

D.Becausemenfinditeasytoconcentrateononlyonething.

5.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

6.Whenwillthespeakertalkabouttheeconomicandpoliticalchanges?

7.Shiraliprobablyliveduntil168;Tsurbaprobablyliveduntilage1

A.RightB.Wrong

8.Whodonotprobablynoticethebeautyoftheoreticalphysics?

9.听力原文：Normallyastudentmustparticipateinacertainnumberofcoursesinordertograduate,andeachcoursewhichheattendsgiveshimacreditwhichhemaycounttowardsadegree.InmanyAmericanuniversitiesthetotalworkforadegreeismadeupofthirty-sixcourseseachlastingforonesemester.Atypicalcourseconsistsofthreeclassesperweekforfifteenweeks;whileattendingauniversityastudentwillprobablyattendfourorfivecoursesduringeachsemester.Normallyastudentwouldexpecttotakefouryearsattendingtwosemesterseachyear.Itispossibletospreadtheperiodofworkforthedegreeoveralongerperiod.Itisalsopossibleforastudenttomovebetweenoneuniversityandanotherduringhisdegreecourse,thoughthisisnotinfactdoneasaregularpractice.

Foreverycoursethathefollowsastudentisgivenagrade,whichisrecorded,andtherecordisavailableforthestudenttoshowtoprospectiveemployers.Allthisimposesaconstantpressureandstrainofwork,butinspiteofthissomestudentsstillfindtimeforgreatactivityinstudentaffairs.Electionstopositionsinstudentorganizationsarousemuchenthusiasm.Theeffectiveworkofmaintainingdisciplineisusuallyperformedbystudentswhoadvisetheacademicauthorities.Anystudentwhoisthoughttohavebrokentherules,forexample,bycheatinghastoappearbeforeastudentcourt.Withtheenormousnumbersofstudents,theoperationofthesystemdoesincludeacertainamountofactivity.Astudentwhohasheldoneofthesepositionsofauthorityismuchrespectedanditwillbeofbenefittohimlaterinhiscareer.

What'sthemainobjectiveofastudentwhoattendsacertainnumberofcourses?

A.Tograduateandobtainadegree.

B.Tolearnsomethingheisinterestedin.

C.Toavoidworking.

D.Toobeyhisparents'order.

10.Ifaconsumerwantsaquicksettlementoftheproblem,whomisitbettertocomplainto?

A.Ashopassistant.

B.Thestoremanager.

C.Themanufacturer.

D.Apublicorganization.

11.Whatisthepassagemainlytalkingabout?

12.PartC

Directions:Youwillhearatalk.Asyoulisten,answerthequestionsorcompletethenotesinyourtestbookletforQuestions21-30bywritingNOTMORETHANTHREEwordsinthespaceprovidedontheright.YouwillhearthetalkTWICE.

Younowhave1minutetoreadQuestions21-30.

听力原文：Lasttimewestartedlookingatthequestionofmanagementandwonderingwhatthetermactuallymeant.Thenwetookabrieflookattheconceptofscientificmanagement.Youremember,wedecideditwasusefulbutnotenoughonitsown.Sotodaywe'regoingtolookatanotheraspect—behavioralmanagement.Youmaynotreallyhavecomeacrossthisword"behavioral"before,thoughI'msureyouarefamiliarwiththeword"behavior".Behavioralsimplymeanshavingtodowithbehavior.Andthatisourstartingpointfortoday:Wearegoingtostartbyrealizingthattheactivityofanyorganizationishumanactivity,designedtoachievehumangoals.Sowearereallytalkingabouthumanbehavior.

Anybusinessconcerndoestwothings.First,itprovideseithergoodsorservicesthatthecustomerneeds.Thatis,iteithermakesthingsordoesthingsforotherpeopleinexchangeformoney.Second,itprovidespeoplewithwork—andmostofushavetoworkinordertomakealiving.

Work,muchaswemaysometimeswishwedidn'thavetodoit,ornotquitesomuchofit,hasinfacttwoadvantages.First—andIspokeaboutthislasttime—itcangiveussatisfaction.Wecanbeproudofwhatwearedoing—likeacraftsmanmakingsomethingbeautiful,oradoctorofanursehelpingpeoplewhoareillorinpain.ThisiswhatIcalledjobsatisfaction,andwithoutitIamsureworkcanbecomeanawfulburden.Andonamorebasiclevel,workearnsusmoney,whichwecanusetobuythethingsweneedinordertolive,likefoodandsomewheretolive,aswellasalltheluxurieswecouldprobablydowithoutbutstillliketohave.

Behavioralmanagementisbasedonaresearchofhowpeoplebehaveatwork.Itusesthefindingsofpsychologistsandsociologists,andsoon.Thesemakeastudyofindividualsandgroupstoseewhatthingsinfluencethewaytheybehaveindifferentconditions.Theresultscanthenbeusedtodesignthebestconditionsinwhichpeoplewillperform—orbehave—inthewaythatamanagerwantsthemtoinordertomakeabusinessmoreefficientandtoachieveitsgoals.Theyhavecollectedalotofevidenceandformulatedalotoftheoriestohelpthemanager,andthereisnodoubtthatproperlyunderstoodandapplied,thiscanbeveryuseful.

Butstillwereturntothefactthatpeopleareindividuals,alldifferentfromeachother,andall—aswesay—withmindsoftheirown.Sonomatterwhatthemanagerknowsaboutthewaypeoplebehaveingroupsandsoon,hehasreallytotreateveryoneonhisstaffasanindividualinhisownright.Ofcourse,hecanbehelpedinthisbyknowinghowtoencouragepeopletodothings,howtostimulatethemtobehaveinacertainway,andsoon.Amanagercanhimselfbetaughthowtodothis,buthoweverunscientificthismaysound,itismorelikelythatagoodmanagerisbornratherthantrained.Hehassomenaturalabilitytorecognizewhatpeoplearelikelytodo,whatabilitiestheyhave,andotherthingslikethat.Realizingthis,andthenapplyingwhathehaslearnedabouthumanbehavior,iswhatmakessomeoneagoodmanager.

Sobehavioralmanagementismanagementbasedonanassessmentofanindividualandtheapplicationofwhatisknownabouthowpeopleingeneraltendtobehave.Likescientificmanagement,itisundoubtedlyuseful,butnot,thecompleteanswer.

Whatdidthespeakertalkaboutlasttime?

13.HowmanypsychologicaltypesofpeoplearethereaccordingtoJung'sideas?

14.Mr.Millerwillbuyanewhousewiththemoneyhehaswon.

A.TrueB.Fasle

15.Whatservicemustbepaidfor?

A.Computerclasses.

B.Trainingsessions.

C.Laserprinting.

D.Packageborrowing.

二、2.UseofEnglish(10题)16.

【C20】

17.

【C9】

18.

【C15】

19.(45)

20.(39)

21.(37)

22.

【C7】

23.

【C13】

24.(40)

25.

【C11】

三、3.ReadingComprehension(15题)26.WorldleadersmetrecentlyatUnitedNationsheadquartersinNewYorkCitytodiscusstheenvironmentalissuesraisedattheRioEarthSummitin1992．TheheadsofstateweresupposedtodecidewhatfurtherstepsshouldbetakentohaltthedeclineofEarth'slife-supportsystems．Infact，thismeetinghadmuchtheflavouroftheoriginalEarthSummit．Towit：emptypromises，hollowrhetoric，bickeringbetweenrichandpoor，andirrelevantinitiatives．ThinkU.S.Congressinslowmotion．

Almostobscuredbythistorporisthefactthattherehasbeensomeremarkableprogressoverthepastfiveyears—realchangesintheattitudeofordinarypeopleintheThirdWorldtowardfamilysizeandadawningrealisationthatenvironmentaldegradationandtheirownwell-beingareintimately，andinversely，linked．Almostnoneofthis，however,hasanythingtodowithwhatthebureaucratsaccomplishedinRio．

Oritdidn'taccomplish．OneitemontheagendaatRio，forexample，wasarenewedefforttosavetropicalforests．(ApreviousUN-sponsoredinitiativehadfallenapartwhenitbecameclearthatitactuallyhasteneddeforestation．)AfterRio，aUNworkinggroupcameupwithmorethan100recommendationsthathavesofargonenowhere．Oneproposedforestrypactwoulddolittlemorethanimmunizingwood-exportingnationsagainsttradesanctions．

AnefforttodraftanagreementonwhattodoabouttheclimatechangescausedbyCO2andothergreenhousegaseshasfaredevenworse．BlockedbytheBushAdministrationfromsettingmandatorylimits，theUNin1992calledonnationstovoluntarilyreduceemissionsto1990levels．Severalyearslater，it'sasifRiohadneverhappened．AnewclimatetreatyisscheduledtobesignedthisDecemberinKyoto，Japan，butgovernmentsstillcannotagreeontheselimits．Meanwhile，theU.S.produces7%moreCO2thanitdidin1990，andemissionsinthedevelopingworldhaverisenevenmoresharply．Noonewouldconfusethe“Rioprocess”withprogress．

Whilegovernmentshaveditheredatapacethatcouldmakedriftingcontinentsimpatient，peoplehaveacted．Birth-ratesaredroppingfasterthanexpected，notbecauseofRiobutbecausepoorpeoplearedecidingontheirowntoreducefamilysize．Anotherpositivedevelopmenthasbeenagrowingenvironmentalconsciousnessamongthepoor．FromslumdwellersinKarachi，Pakistan，tocolonistsinRondonia，Brazil，urbanpoorandruralpeasantsalikeseemtorealizethattheypaythebiggestpriceforpollutionanddeforestation．Thereiscauseforhopeaswellinthegrowingrecognitionamongbusinesspeoplethatitisnotintheirlong-terminteresttofightenvironmentalreforms．JohnBrowne，chiefexecutiveofBritishPetroleum，boldlyassertedinamajorspeechinMaythatthethreatofclimatechangecouldnolongerbeignored．

Thewriter'sgeneralattitudetowardstheworldleadersmeetingattheUNis______．

A.supportiveB.impartialC.criticalD.comedic

27.(69)

28.(70)

29.(73)

30.PartB

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

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

66.______

About85percentofpeopleareallergictotheurushiolinpoisonivy,accordingtotheAmericanAcademyofDermatology.Onlyatinyamountofthischemical—1billionthofagram—isenoughtocausearashinmanypeople.Somepeoplemayboastthatthey'vebeenexposedtopoisonivymanytimesandhavenevergottentherash,butthatdoesn'tnecessarilymeanthey'renotallergic.Sometimestheallergydoesn'temergeuntilyou'vebeenex-posedseveraltimes,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,whichwillusuallyitch,redden,bum,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.Thegeneralrotetoidentifypoisonivy,"lea

31.

WhatadvicemightMaquetgivetothosewhohaveacrucialtestthenextday?

A.Memorizinggrammarwithgreatefforts.

B.Studytextbookswithcloseattention.

C.Havetheirbrainimagesrecorded.

D.Enjoytheirsleepatnightsoundly.

32.

WhichofthefollowingisCORRECTaboutMickey,thegarbagecollector?

A.Hewrotealettertothecoupleafterwards.

B.Hefailedtocollectthemoneyfromthebank.

C.HewantedthecoupletosendhimaChristmascard.

D.Hecollectedboththecheekandthegarbagethatday.

33.(67)

34.

Theexpression"optoutofsuchdatacollection"(inthelastparagraph)probablymeans______.

A.pickoutfromsuchdatatheinformationoneneeds

B.shiftthroughsuchdatatocollectone'sowninformation

C.evaluatethepurposeforsuchdatacollection

D.choosenottobeinvolvedinsuchdatacollection

35.Women'smindsworkdifferentlyfrommen's.Atleast,thatiswhatmostmenareconvincedof.Psychologistsviewthesubjecteitherasamatterorfrustrationorajoke.Nowthebiologistshavemovedintothisminefield,andsomeofthemhavefoundthattherearerealdifferencesbetweenthebrainsofmenandwomen.Butbeingdifferent,theypointouthurriedly,isnotthesameasbeingbetterorworse.

Thereis,however,adefinitestructuralvariationbetweenthemaleandfemalebrain.Thedifferenceisinapartofthebrainthatisusedinthemostcomplexintellectualprocesses—thelinkbetweenthetwohalvesofthebrain.

Thetwohalvesarelinkedbyatrunklineofbetween200and300millionnerves,thecorpuscallosum.Scientistshavefoundquiterecentlythatthecorpuscallosuminwomenisalwayslargerandprobablyricherinnervefibersthanitisinmen.Thisisthefirsttimethatastructuraldifferencehasbeenfoundbetweenthebrainsofwomenandmenanditmusthavesomesignificance.Thequestionis"What?",and,ifthisdifferenceexists,arethereothers?Re-searchshowsthatpresent-daywomenthinkdifferentlyandbehavedifferentlyfrommen.Aresomeofthesedifferencesbiologicalandinborn,aresultofevolution?Wetendtothinkthatistheinfluenceofsocietythatproducesthesedifferences.Butcouldwebewrong?

Researchshowedthatthesetwohalvesofthebrainhaddifferentfunctions,andthatthecorpuscallosumenabledthemtoworktogether.Formostpeople,thelefthalfisusedforwordhanding,analyticalandlogicalactivities;therighthalfworksonpictures,patternsandforms.Weneedbothhalvesworkingtogether.Andthebettertheconnections,themoreharmoniouslythetwohalveswork.And,accordingtoresearchfindings,womenhavethebetterconnections.

Butitisn'tallthateasytoexplaintheactualdifferencesbetweenskillsofmenandwomenonthisbasis.Inschoolsthroughouttheworldgirlstendtobebetterthanboysat"languagesubjects"andboysbetteratmathsandphysics.Ifthesedifferencescorrespondwiththedifferencesinthehemispherictrunkline,thereisanunalterabledistinctionbetweenthesexes.

Weshan'tknowforawhile,partlybecausewedon'tknowofanypreciserelationshipbetweenabilitiesinschoolsubjectandthefunctioningofthetwohalvesofthebrain,andwecannotunderstandhowthetwohalvesinter-actviathecorpuscallosum.Butthisstrikingdifferencemusthavesomeeffectand,becausethedifferenceisinthepartsofthebraininvolvedinintellect,weshouldbelookingfordifferencesinintellectualprocessing.

WhichofthefollowingstatementsisCORRECT?

A.Biologistsareconductingresearchwherepsychologistshavegivenup.

B.Braindifferencespointtosuperiorityofonesexovertheother.

C.Resultsofscientificresearchfailtosupportpopularbelief.

D.Thestructuraldifferenceinthebrainbetweenthesexeshaslongbeenknown.

36.

Theword"tarnish"(line4,paragraph4)mostprobablymeans______.

A.affectB.warnC.troubleD.stain

37.Theideaofafishbeingabletoproduceelectricitystrongenoughtolightlampbulbs-oreventorunasmallelectricmotor—isalmostunbelievable,butseveralkindsoffishareabletodothis.Evenmorestrangely,thiscuriouspowerhasbeenacquiredindifferentwaysbyfishbelongingtoverydifferentfamilies.

Perhapsthemostknownaretheelectricrays,ortorpedoes,ofwhichseveralkindsliveinwarmseas.Theypossessoneachsideofthehead,behindtheeyes,alargeorganconsistingofanumberofhexagonal-shapedcellsratherlikeahoneycomb.Theceilsarefilledwithajelly-likesubstance,andcontainaseriesofflatelectricplates.Oneside,thenegativeside,ofeachplate,issuppliedwithveryfinenerves,connectedwithamainnervecomingfromaspecialpartofthebrain.Currentgetsthroughfromtheupper,positivesideoftheorgandownwardtothenegative,lowerside.Generallyitisnecessarytotouchthefishintwoplaces,completingthecircuit,inordertoreceiveashock.

Thestrengthofthisshockdependsonthesizeoffish,butnewly-bornonesonlyabout5centimetersacrosscanbemadetolightthebulbofapocketflashlightforafewmoments,whileafullygrowntorpedogivesashockcapableofknockingamandown,and,ifsuitablewiresareconnected,willoperateasmallelectricmotorforseveralminutes.

Anotherfamousexampleistheelectriceel.Thisfishgivesanevenmorepowerfulshock.Thesystemisdifferentfromthatofthetorpedointhattheelectricplatesrunlongitudinallyandaresuppliedwithnervesfromthespinalcord.Consequently,thecurrentpassesalongthefishfromheadtotail.Theelectricorgansofthesefisharereallyalteredmusclesandlikeallmusclesareapttotire,sotheyarenotabletogenerateelectricityforverylong.PeopleinsomepartsofSouthAmericawhovaluetheelectriceelasfood,takeadvantageofthisfactbydrivinghorsesintothewateragainstwhichthefishdischargetheirelectricity.Thehorsesarelessaffectedthanamanwouldbe,andwhentheelectriceelshaveexhaustedthemselves,theycanbecaughtwithoutdanger.

TheelectriccatfishoftheNileandofotherAfricanfreshwatershasadifferentsystemagainbywhichcurrentpassesoverthewholebodyfromthetailtothehead.Theshockgivenbythisarrangementisnotsostrongastheothertwo,butisnonethelessunpleasant.Theelectriccatfishisaslow,lazyfish,fondofgloomyplacesandgrowstoabout1metrelong;itiseatenbytheArabsinsomeareas.

Thepowerofproducingelectricitymayservethesefishbothfordefenceandattack.Ifalargeenemyattacks,theshockwilldriveitaway;butitappearsthatthecatfishandtheelectriceelusetheircurrentmostoftenagainstsmallerfish,stunningthemsothattheycaneasilybeoverpowered.

Whichofthefollowingcanproducethestrongestshock?

A.Theelectriceel.

B.Theelectriccatfish.

C.Thenewly-bornelectrictorpedoes.

D.Thefully-grownelectricray.

38.(79)

39.

Toaudience,thetypicalAmericanastronaut______.

A.hasalimitedvocabulary

B.isaclean-cut,cheerfulandfrankguy

C.can'tunderstandasophisticatedjoke

D.iswell-builtbutratherslow-witted

40.(68)

四、阅读理解(5题)41.

第

47

题

wouldremainsilentintheeventoftheft?_________

42.

第

29

题

4._________

43.

第

50

题

hasitshandbookcriticised?_________

44.

第

25

题

5.__________

45.

第

37

题

FromDr．Dustan’sstudywecaninferthat__________．

参考答案

1.B

2.B

3.Afamily'sname．

4.C

5.B

6.(at)(the)Nextmeeting/(the)followingmeeting

7.A

8.Thegeneralpublic

9.A

10.B

11.Thepasttype/past-orientedpeople

12.Management

13.Four．

14.B

15.C

16.suchsuch解析：“such…as”用来举例子。所以此处应填“such”。

17.atat解析：某大学的教授，应为“aprofessorat…university”，所以答案为介词“at”。

18.whowho解析：此空后的句子应为teacher的定语从句，故此空处应填who，引导修饰人的定语从句。

19.customercustomer解析：从这个句子的宾语“…thatheorshehasdoneagoodjobofchoosingtheitems．”可以看出，这里说的是顾客的行为，他们认为自己买这些商品是很理性的。故答案为customer。

20.atat解析：某大学的教授，应为“aprofessorat…university”，所以答案为介词“at”。

2