2021-2022年广东省中山市公共英语五级(笔试)测试卷(含答案)

2021-2022年广东省中山市公共英语五级(笔试)测试卷(含答案)学校:________班级:________姓名:________考号:________

一、1.ListeningComprehension(15题)1.Whatsuggestiondoesthemanthinkitisgood?

A.Trytogiveupsmoking.

B.Eatsweetseverydayinsteadofsmoking.

C.Trytogiveuponecigaretteeveryday.

D.Gotoahypnotist.

2.Mr.Millerdidchangesonthehouseonlyforfun.

A.TrueB.Fasle

3.PartB

Directions:Youwillhear3conversationsortalksandyoumustanswerthequestionsbychoosingA,B,CorD.YouwillheartherecordingONLYONCE.

听力原文：Whenaconsumerfindsthatanitemsheorheboughtisbrokenorinsomeotherwaydoesnotreachthestandardofthemanufacturer'sclaimforit,thefirststepistopresentthewarranty,oranyotherrecordswhichmighthelp,atthestoreofpurchase.Inmostcases,thisactionwillproduceresults.However,ifitdoesnot,therearevariousmeanstheconsumersmayusetogainsatisfaction.

Asimpleandcommonmethodusedbymanyconsumersistocomplaindirectlytothestoremanager.Ingeneral,the"higherup"theconsumertakeshisor"hercomplaint,thefasterheorshecanexpectittobetackled.Insuchacase,itisusuallysettledintheconsumer'sfavor,assumingheorshehasajustclaim.

Consumersshouldcomplaininpersonwheneverpossible,butiftheycannotgettotheplaceofpurchase,itisacceptabletophoneorwritethecomplaintinaletter.

Complainingisusuallymosteffectivewhenitisdonepolitelybutfirmly,andespeciallywhentheconsumercandemonstratewhatiswrongwiththeiteminquestion.Ifthiscannotbedone,theconsumerwillsucceedbestbypresentingspecificinformationastowhatiswrong,ratherthanbymakinggeneralstatements.Forexample,"Theleftspeakerdoesnotworkatallandthesoundcomingoutoftherightoneisunclear"isbetterthan"thisstereodoesnotwork".

Thestoremanagermayadvisetheconsumertowritetothemanufacturer.Ifso,theconsumershoulddothis,statingthecomplaintaspolitelyandasfirmlyaspossible.Butifapolitecomplaintdoesnotachievethedesiredresult,theconsumercangoastepfurther.Sheorhecanthreatentotakethesellertocourtorreportthesellertoaprivateorpublicorganizationresponsibleforprotectingconsumers'rights.

Whenaconsumerfindsthathispurchasehasafaultinit,whatisthefirstthingheshoulddo?

A.Complainpersonallytothemanager.

B.Threatentotakethemattertocourt.

C.Writeafirmletterofcomplainttothestoreofpurchase.

D.Showsomewrittenproofofthepurchasetothestore.

4.听力原文：Todayit'smyturntogivetheweeklyoralpresentation,andthetopicthatProfessorMayhadassignedtomeis“thelifeofthepoet,EmilyDickinson”.ComparedwithWaltWhitmanwhomwediscussedlastweek.IfoundEmilyDickinsonstrikinglydifferent.SheseemedinfacttobethecompleteoppositeofWhitmaninherlifeandinherwork.Iwouldliketosharebrieflywiththeclasssomeoftheessentialfactsofherbiography.EmilyDickinsonwasbornin1830inAmherst,Mass,barelyadecadeafterWhitman.Inherearly20'sforreasonswhichstillremainamysteryshebegantowithdrawfromherordinarycontactwiththeworld.Fortheremaining30yearsofherlifeshewasseldomseenoutsideherhome.InthisrespectshewasquiteunlikeWhitmanwholovedthegreatoutdoors.EmilyDickinsonspenthersolitarydayscorrespondingwithherfriendsandwritinghundredsofremarkablepoems,notably“Iheardaflybuzz”andthepoemwehavereadfortoday“I'mnobody”.Althoughsheshowednoneofherpoemstoherfamilyandsentsomeofherletterstofriends.onlyfourwerepublishedinherlifetime.Mostofthem,almost1,200poemswerediscoveredinherroomaftershediedin1886attheageof56.Thesepoemshaveestablishedherasamajorpoet,andseveralmoderncriticsconsiderherthegreateStwomanpoetintheEnglishlanguage.Eh,that'saboutallIhave.Isthereanyquestion?Ifnot,weshouldprobablybegintalkingaboutDickinson's“I'mnobody”,thepoemProfessorMayassignedforthisweek'sclassdiscussion.

Whoisthespeaker?

A.Apoet.B.Ateacher.C.Astudent.D.Anartist.

5.听力原文：Thehumannosehasgiventothelanguagesoftheworldmanyinterestingexpressions．Ofcourse，thisisnotsurprising．Withoutthenose，wecouldnotbreathenorsmell．Itisapartofthefacethatgivesapersonspecialcharacter．CyranodeBergeracsaidthatalargenoseshowedagreatmancourageous，courteous，manly，andintellectual．

Afamouswomanpoetwishedthatshehadtwonosestosmellarose!BlaisePascal，aFrenchphilosopher，madeaninterestingcommentaboutCleopatra'snose．Ifithadbeenshorter，hesaid，itwouldhavechangedthewholefaceoftheworld!

Historically，man'snosehashadaprincipalroleinhisimagination．Manhasreferredtothenoseinmanywaystoexpresshisemotions．Expressionsconcerningthenoserefertohumanweakness：anger，pride，jealousyandrevenge．

InEnglishthereareanumberofphrasesaboutthenose．Forexample，toholdupone'snoseexpressesabasichumanfeeling—pride．Peoplecanholduptheirnosesatpeople，things，andplaces．

Thephrase，tobeledaroundbythenose，showsman'sweakness．Apersonwhoisledaroundbythenoseletsotherpeoplecontrolhim．Ontheotherhand，apersonwhofollowshisnoseletshisinstinctguidehim．

Forthehumanemotionofrejection，thephrasetohaveone'snoseputoutofjointisverydescriptive．Theexpressionappliestopersonswhohavebeenturnedasidebecauseofarival．Theirprideishurtandtheyfeelrejected．Thisexpressionisnotnew．ItwasusedbyErasmusin1542．

ThisisonlyasamplingofexpressionsinEnglishdealingwiththenose．Thereareanumberofothers．However，itshouldbeasplainasthenoseonyourfacethatthenoseismorethananorganforbreathingandsmelling!

Whatisthispassagemainlyabout?

A.Thehumannoseasanorganforbreathingandsmelling.

B.Thenoseprovidinguswithvariousexpressions.

C.Awomanpoet'swishtohavetwonoses.

D.InterestingcommentsmadeonCleopatra'snose.

6.Accordingtothespeaker,whydopesticidesposeathreattoamphibians?

A.Pesticidescancauseanamphibian'sskintodryout.

B.Pesticideskilltheinsectsthatamphibiansdependonforfood.

C.Dissolvedpesticidescaneasilyenteramphibian'sbodies.

D.Amphibiansmayeatplantsthathavebeentreatedwithpesticides.

7.Ifaconsumerwantsaquicksettlementoftheproblem,whomisitbettertocomplainto?

A.Ashopassistant.

B.Thestoremanager.

C.Themanufacturer.

D.Apublicorganization.

8.PartC

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

Younowhave1minutetoreadQuestions21-30.

听力原文：W:Dr.Huber,whendidyoufirstbecomeinterestedinphysicsandmusic?

M:Ican'trememberatimewhenIwasn'tinterestedinphysics.WhenIwasachild,Iwasverycuriousabouttheworldaroundme.Forexample,Ialwayswonderedwhylightbehavesthewayitdoes.Ifounditmorefuntoplaywithaprismthantoplaywiththekidsintheneighborhood.Iwasn'tverysocial,butIwasreallyintofiguringouthowthingsworked.IgotmyowntelescopewhenIwaseightyearsold,andIlovedtotakeitoutatnightandgostargazing.Iwouldlookattheplanetsandstarsandwonderwhatwasoutthere.WhenIwasten,myfatherboughtmeabookontheuniverse,andIjustateitup.Infact,Istillhavethatbookrighthereinmyoffice.Itwasthesamewithmusic.I'vealwayshadanaturalearformusic,perfectpitch.Evenasayoungchild,ifIheardasongontheradio,Icouldgorighttothepianoandplayit.WhenIheardasoundliketheringofatelephone,Icouldidentifyitspitchandplaythenoteonthepiano.However,Ididn'tdevelopaseriousinterestinbecomingapianistuntilIwasincollege.Ialsoseemedtodowellinschoolinthevisualartslikepaintinganddrawing.

W:Whatcommonalitydoyouseebetweenmusicandphysics?

M:Thereisacommonmisconceptionthatartandsciencearecompletelyseparatedfromeachother.Ithinkthedistinctionisartificial.Inreality,artandsciencearenotasmutuallyexclusiveasonemightassume.Solvingacomplicatedmathematicalproblem,forexample,canrequirethesamedegreeofcreativethinkingaspaintingalandscapeorwritingapoem.IfeelanindefinabletinglewhenIplaytheSchumannConcertoordancethepasdedeuxfromRomeoandJuliet.Igetthatthesametinglefromtheoreticalphysics.Thebeautyofartisreadilyapparenttomostpeople.However,inthecaseoftheoreticalphysics,thebeautyisnotnearlyasaccessibletothegeneralpublic,butitiseverybitasexciting.Natureseemstofollowcertainprinciples,verymuchthesameasartdoes.It'snotuncommonforphysiciststobecomeaccomplishedmusicians.Musictheoryisaverymathematicaldiscipline.Relationshipsamongvariousnotesinclassicalharmonyarebasedonsimplemathematicalrelationships.

W:Youhavesaidthatphysicsisbeautiful.Whatmakesitbeautifultoyou?

M:Tome,it'sincrediblethewaynatureseemstoworksoperfectly.Ithinkitisbeautiful.Ialwaystellmystudentsonthefirstdayofclass."IfyoulikereadingSherlockHolmesdetectivestories,you'11likedoingphysicsproblems."Physicsisaboutfiguringthingsout—discoveringhowtheywork,justlikeadetective.Alotofpeoplefearphysicsbecausetheyviewitasabigcomplicatedjumbleoffactsthathavetobememorized.Butthat'snottrue.It'sanunderstandingofhownatureworks,howthevariouspartsinteract.Onecanviewartandliteratureastherelationshipsandinteractionsofideas.Inthesameway,physicsstudiestherelationshipsandinteractionsofconcepts.Inotherwords,tomeartandsciencefundamentallyattempttoachievethesameobjective—understandingoftheworldaroundus.Thewholeuniverseseemstofollowsomeverybasicprinciplesasitevolvesinwithtime,someoftheseprinciplesincludingtheConservationofEnergyandtheConservationofAngularMomentum.Theconservationlawsofphysicsarelikenon-interestbearingcheckingaccounts.Inthecaseofenergyconservation,youcanmakeenergydepositsandenergywithdrawals,butalltheenergyisaccountedfor.TherotationofobjectsisgovernedbyalawcalledtheConservationofAngularM

9.Wangdecidestotakecoursesandpassexams.

A.TrueB.Fasle

10.Oneoftheadvantagesofchainschoolsisthattheyarefamousallovertheworld.

A.TrueB.Fasle

11.Chainsdon'tproducetheirowncoursebookmaterial.

A.TrueB.Fasle

12.Whydoesthespeakersuggestwerisewithayawnandstretch?

A.Becauseitwillhelpkeepyourenergyfortheday'swork.

B.Becauseitwillhelpyoutocontrolyourtemperearlyintheday.

C.Becauseitwillhelpyoutoconcentrateonyourroutinework.

D.Becauseitwillkeepyourenergycycleundercontrolallday.

13.Do-it-YourselfhasbecomeoneofMr.Miller'shobbies.

A.TrueB.Fasle

14.Inbrief,whatdidthespeakertalkabout?

15.Accordingtothespeaker,whatdoesamanagerhavetotreateveryoneofhisstaffas?

二、2.UseofEnglish(10题)16.

【C10】

17.(35)

18.

【C4】

19.

【C9】

20.Psychologiststakecontrastiveviewsofhowexternalrewards,from【31】______praisetocoldcash,affectmotivationandcreativity.Behaviorists,【32】______researchtherelation【33】______actionsandtheirconsequencesarguethatrewardscanimproveperformanceatworkandschool.Cognitiveresearchers,whostudyvariousaspectsofmentallife,maintain【34】______rewardsoftendestroycreativity【35】______encouragingdependence【36】______approvalandgiftsfromothers.

Thelatterviewhasgainedmanysupporters,especially【37】______educators.Butthecarefuluseofsmallmonetaryrewardssparks【38】______ingrade-schoolchildren,suggesting【39】______properlypresentedinducementsindeedaidinventiveness,【40】______toastudyintheJuneJournalofPersonalityandSocialPsychology"Ifkidsknowthey'reworkingfora【41】______andcanfocus【42】______arelativelychallengingtask,theyshowthemostcreativity",saysRobertEisenbergeroftheUniversityofDelawareinNewark."Butit'seasytokillcreativitybygivingrewardsfor【43】______performanceorcreatingtoo【44】______anticipationforrewards."

Ateacher【45】______continuallydrawsattentiontorewardsorwhohands【46】______highgradesforordinaryachievementendsup【47】______discouragedstudents,Eisenbergerholds.【48】______anexampleofthelatterpoint,henotesgrowingeffortsatmajoruniversitiestotightengradingstandardsandrestorefailing【49】Inearliergrades,theuseofso-calledtokeneconomies,in【50】______studentshandlechallengingproblemsandreceiveperformance-basedpointstowardvaluedrewards,showspromiseinraisingeffortandcreativity,theDelawarepsychologistclaims.

(31)

21.(33)

22.(43)

23.(45)

24.(36)

25.(46)

三、3.ReadingComprehension(15题)26.Themanbehindthisnotion,JackMaple,isadandywhoaffectsdarkglasses,homburgs(翘边帽)andtwo-toeshoes;yethehasbecomesomethingofalegendinAmerica'spolicedepartments.Forsomeyears,startinginNewYorkandmovingontohigh-crimespotssuchasNewOrleansandPhiladelphia,heandhisbusinesspartner,JohnLinderhavemarketedatwo-tiersystemforcuttingcrime.

First,policedepartmentshavetosortthemselvesout:rootoutcorruption,streamlinetheirbureaucracy,andmakemorecontactwiththepublic.Second,theyhavetoadoptacomputersystemcalledComstatwhichhelpsthemtoanalyzestatisticsofallmajorcrimes.Theseareconstantlykeyedintothecomputer,whichthendisplayswhereandwhentheyhaveoccurredonacolor-codedmap,enablingthepolicetomonitorcrimetrendsastheyhappenandtospothigh-crimeareas.InNewYork,Comstat'sstatisticalmapsareanalyzedeachweekatameetingofthecity'spolicechiefandprecinctcaptains.

MessrsMapleandLinder("specialistsincrime-reductionservices")havenodoubtthattheirsystemisamaincontributortothedropincrime.WhentheyintroduceditinNewOrleansinJanuary1997,violentcrimedroppedby22%inayear;whentheymerelystartedworkinginformallywiththepolicedepartmentinNewark,NewJersey,violentcrimefellby13%.Policedepartmentsarenowlininguptopayasmuchas$50,000amonthforthesetwomentoputthemstraight.

Probablyallthesenewpoliciesandbitsoftechnicalwizardry,addedtogether,havemadeabigdifferencetocrime.Butthereremainanomaliesthatcannotbeexplained,suchasthefactthatcrimeinWashingtonD.C.,hasfallenasfastasanywhere,althoughthepolicedepartmenthasbeencorruptandhopelessand,inlargestretchesofthecity,neitherpolicenorresidentsseemdisposedtofightthecriminalsintheirmidst.

Themoreimportantreasonforthefallincrimerates,manysay,isamuchlesssophisticatedone.Itisafactthatcrimerateshavedroppedastheimprisonmentratesoared.In1997thenationalincarcerationrate,at645per100000peoplewasmorethandoubletheratein1985,andthenumberofinmatesincityandcountyjailsroseby9.4%.almostdoubleitsannualaverageincreasesince1990.Surelysomecriminologistsargue,onesetoffiguresisthecauseoftheother.Itisprecisebecausemorepeoplearebeingsenttoprison,theyclaimthatcrimeratesarefalling.A1993studybytheNationalAcademyofSciencesactuallyconcludedthatthetriplingoftheprisonpopulationbetween1975and1989hadloweredviolentcrimeby10-15%.

Yetcauseandeffectmaynotbesoobviouslylinked.Tobeginwith,thesaleandpossessionofdrugsarenotcountedbytheFBIinitscrimeindex,whichislimitedtoviolentcrimesandcrimesagainstproperty.Yetdrugoffencesaccountformorethanathirdoftherecentincreaseinthenumberofthosejailed;since1980,theincarcerationratefordrugarrestshasincreasedby1000%.Andalthoughaboutthree-quartersofthosegoingtoprisonfordrugoffenceshavecommittedothercrimesaswell,thereisnotyetacrystal-clearconnectionbetweenfillingthejailswithdrug-pushersandadeclineintherateofviolentcrime.Again,thoughnationalfiguresaresuggestive,localonesdiverge:theplaceswherecrimehasdroppedmostsharply(suchasNewYorkCity)arenotalwaystheplaceswhereincarcerationhasrisenfastest.

JackMaplestartedhiscareerin______.

A.PhiladelphiaB.OregonC.NewOrleansD.NewYork

27.(69)

28.(77)

29.PartC

Directions:Answerquestions71-80byreferringtothefollowinggames.

Note:AnswereachquestionbychoosingA,BorCandmarkitonANSWERSHEET1.Somechoicesmayberequiredmorethanonce.

A=TheImperialPalaceB=TheTempleofHeavenC=PotalaPalaceD=JokhangTempleWhichpalaceortemple...

isthespiritualcenterofTibet?71.______

iscircularinthenorthernpartwhilesquareinthesouthernpart?72.______

presentsthelargestandmostcompleteensembleoftraditionalarchitecture?73.______

coversabuildingspaceof90thousandsquaremeters?74.______

istheoldestoneamongthefourinthetext?75.______

canpresentthevisitorthesignificanceofHeavenKitchen?76.______

isacombinationofarchitecturalstylesfromHan,TibetanandNepalese?77.______

wasthereligiousandpoliticalcenterofoldTibet?78.______

isalongwithmanycomparativelysmallbuildingsoneitherside?79.______

presentsanedictsignedwiththeGreatFifth'shandprint?80.______

A

TheImperialPalace

Whatstrikesonefirstinabirds-eyeviewofBeijingproperisavasttractofgoldenroofsflashingbrilliantlyinthesunwithpurplewallsoccasionallyemergingamidthemandastretchofluxurianttreeleavesflankingoneachside.ThatistheformerImperialPalace,popularlyknownastheForbiddenCity,fromwhichtwenty-fouremperorsoftheMingandQingDynastiesruledChinaforsome500years—from1420to1911.TheMingEmperorYongLe,whousurpedthethronefromhisnephewandmadeBeijingthecapital,ordereditsconstruction,onwhichapproximately10,000artistsandamillionworkmentoiledfor14yearsfrom1406to1420.Atpresent,thePalaceisanelaboratemuseumthatpresentsthelargestandmostcompleteensembleoftraditionalarchitecturecomplexandmorethan900,000piecesofcourttreasuresinalldynastiesinChina.

LocatedinthecenterofBeijing,theentirepalacearea,rectangularinshapeand72hectaresinsize,issurroundedbywallstenmetershighandamoat52meterswide.Ateachcornerofthewallstandsawatchtowerwithadouble-eaveroofcoveredwithyellowglazedtiles.

Themainbuildings,thesixgreathalls,onefollowingtheother,aresetfacingsouthalongthecentralnorth-southaxisfromtheMeridianGate,thesouthentrance,toShenwumen,thegreatgatepiercinginthenorthwall.Oneithersideofthepalacearemanycomparativelysmallbuildings.SymmetricallyinthenortheasternsectionliethesixEasternPalacesandinthenorthwesternsectionthesixWesternPalaces.ThePalaceareaisdividedintotwoparts:theOuterCourtandtheInnerPalace.Theformerconsistsofthefirstthreemainhalls,wheretheemperorreceivedhiscourtiersandconductedgrandceremonies,whilethelatterwasthelivingquartersfortheimperialresidence.AttherearoftheInnerPalaceistheImperialGardenwheretheemperorandhisfamilysoughtrecreation.

B

TheTempleofHeaven

TheTempleofHeavenwasinitiallybuiltinYongleYear18oftheMingDynasty(in1420).Situatedinthesouthernpartofthecity,itcoversthetotalareaof273hectares.WiththeadditionsandrebuildingduringtheMing,QingandotherDynasties,thisgrandsetofstructureslookmagnificentandglorious;thedignifiedenvironmentappearssolemnandrespectful.ItistheplaceforbothMingandQingDynasty'sEmperorstoworshipHeavenandprayforgoodharve

30.Asthe21stcenturybegins,anumberofleadersinpolitics,education,andotherprofessionsbelievethattheUnitedStatesmustadoptsomenewvaluestogoalongwiththeoldtraditionalones.WhatnewvaluesshouldAmericansadopt?Thisisaverydifficultquestiontoanswer.Certainly,agreatervalueshouldbeplacedontheconservationofnaturalresources;Americansshouldlearntouselessandwasteless.ButconservationhasneverbeenastrongvaluetoAmericans,whohavebelievedthattheircountryofferedanendless,abundantsupplyofnaturalresources.

Recently,progresshasbeenmade—moreandmoreAmericansarerecyclingtheirpaper,cans,bottles,andothergoods—butoldwastefulhabitsdiehard.Furthermore,theneedtoprotecttheenvironmentmayconflictwiththeneedforjobs,asintheNorthwest,whereconservationistsbattlelumbercompaniesthatwanttocutdownancientredwoodtrees.AbeliefinthevalueofconservationisstillcomparedwithotherAmericanvalues;itcanbecomestrongeronlyasAmericansseetheneedforitmoreclearly.

Inaddition,Americansmayneedtoplaceastrongvalueoncooperationonanationalscaletoachieveimportantnationalobjectives.TheAmericanideaofthenationalgoodhasneverbeenbasedonnationalcooperationbutratheronthefreedomoftheindividual,maintainingthoseconditionsthatprovidethegreatestfreedomandprosperityfortheindividual.ItisfarmoredifficultforAmericanstoacceptsharedsacrificeforthecommongoodandwell-beingoftheentirecountry.Forexample,althoughthemajorityofAmericansbelievethatitisextremelyimportanttobalancethenationalbudgetandreducethedeficit,theydonotwanttoseecutsingovernmentprogramsthatbenefitthempersonally.

TheAmericanvalueofcompetitionalsohindersthedevelopmentofaspiritofnationalcooperation.Competitionsometimesencouragesfeelingsofsuspicionratherthanthemutualtrustthatisnecessaryforsuccessfulnationalcooperation.AlthoughAmericansoftencooperatesuccessfullyonthelocallevel—inneighborhoodgroupsandchurches,forexample—theybecomesuspiciouswhenthenationalgovernmentbecomesinvolved.Forexample,onthenationallevel,theymayseethemselvesaspartofaninterestgroupthatiscompetingwithotherinterestgroupsforgovernmentfunds.Arequestbythenationalgovernmentforsharedsacrificemaybeseenascoerciveanddestructiveratherthanvoluntaryandconstructive.However,thedemandsofthe21stcenturymaycompelAmericanstoplaceagreatervalueonnationalcooperationtosolveproblemsthataffectthemall,directlyandindirectly.

Thebesttitleofthispassagecouldbe______.

A.WhichisBetter,NewValueorOldValue

B.Conservationvs.NeedforJobs

C.TheNeedforNewNationalValues

D.CooperationandCompetition

31.

Whichofthefollowingistrueaccordingtothetext?

A.TheHartspreferapublicuniversitytoaprivateone.

B.Itismucheasiertopaythetuitionatpresent.

C.Allstudentscangettheaidpackage.

D.Traditionalscholarshipsarestillattractivetosomefamilies.

32.(79)

33.(68)

34.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.

35.PartB

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

Supermarketshoppershaveneverbeenmorespoiltforchoice.Butjustwhenwethoughttraditionalsystemsofselectivefarminghadcreatedthe