2022-2023年湖北省黃石市公共英語五級(筆試)知識點匯總（含答案）

2022-2023年湖北省黃石市公共英語五級(筆試)知識點匯總（含答案）學校:________班級:________姓名:________考號:________

一、1.ListeningComprehension(15題)1.HowmanypsychologicaltypesofpeoplearethereaccordingtoJung'sideas?

2.Whataretheshoppinggoodsthatarebasicallyconsideredthesame?

A.Thosethatsatisfysimilarneedsoftheconsumer．

B.Thosethatconsumersdon'tcarewheretobuy．

C.Thosethatconsumersspendmuchtimelookingfor．

D.ThosethatCanbefoundeverywhere．

3.WhereisLowTillFarmingbecomingpopular?

A.Inareaswithfewweedsandunwantedplants.

B.Inareaswithasevereshortageofwater.

C.Inareaslackinginchemicalfertilizer.

D.Inareasdependentonimportedfood.

4.聽力原文：DuringtheChristmasshoppingrushinLondon，theintriguingstorywasreportedofatrampwho，apparentlythroughnofaultofhisown，foundhimselflockedinawell-knownchainstorelateonChristmasEve．Nodoubtthestorewasfilledwithlast-minuteChristmasshoppersandthestaffweredeadbeatingandlongingtogethome．Presumablyallthepropersecuritychecksweremadebeforethestorewaslockedandtheylefttoenjoythethree-dayholidayuntroubledbycustomersdesperatetogetlast-minuteChristmaspresents．

Howeverthatmaybe，ourtrampfoundhimselfaloneinthestoreanddecidedtomakethebestofit．Therewasfood，drink，beddingandcampingequipment，ofwhichhemadegooduse．Theremustalsohavebeentelevisionsetsandradios．Thoughitwasnotreportedifhetookadvantageofthesefacilities，whentheshopre-opened．hewasdiscoveredinbedwithalargenumberofemptybottlesbesidehim．Heseemstohavebeenamanofgoodhumourandphilosophictemperament—asindeedvagrantsverycommonlyare．EveryoneelsewasenjoyingChristmas，sohesawnogoodreasonwhyheshouldnotdothesame．Hesubmitted，cheerfullyenough，tobeingtakenawaybythepolice．PerhapshehadabetterChristmasthanusual．Hewasputintoprisonforsevendays．Thejudgeawardednocompensationtothechainstoreforthefoodanddrinkourtramphadconsumed．Theyhad，inhisopinion，alreadyreceivedvaluablefreepublicityfromthecoveragethestoryreceivedinthenewspapersandontelevision．PerhapsthejudgehadagoodChristmastoo．

Thetrampwaslockedinthestore______.

A.forhisownmistakes

B.duetoamisunderstanding

C.byaccident

D.throughanerrorofjudgment

5.Whatwouldhappentoastudentifhisemployerreportshisimproperbehavior?

A.Hewouldbefired.

B.Hewouldnotgethispay.

C.Hewouldnotgetanotherjob.

D.Hewouldbefined.

6.MDhassixdepartmentalmanagersatthemoment．

A.RightB.Wrong

7.Inbrief,whatdidthespeakertalkabout?

8.Whatwasthenamegiventothegenerationthatcameofageduringthe1960s?

9.AsimplediethighinvitaminsandsugarbutlowinfatandchemicalsbenefitsthosepeopleinHunza.

A.RightB.Wrong

10.WhendidDicksongotoBostonforeyetreatment?

A.In1848.

B.Intheearly1850s.

C.Inthelate1850s.

D.Intheearly1860s.

11.Do-it-YourselfhasbecomeoneofMrMiller'shobbies.

A.RightB.Wrong

12.WhendidDr.Huberbecomeinterestedinpiano?

13.Accordingtothefigureoftheacademicyear1995/96，wheredothelargestnumberofforeignstudentscomefrom?

14.Wangintendstostudyhowcomputerisusedforlanguagetranslation.

A.RightB.Wrong

15.Whatdoesbusinessconcernusuallydo?

二、2.UseofEnglish(10題)16.(49)

17.(39)

18.

【C20】

19.

【C5】

20.(40)

21.(41)

22.

【C7】

23.(36)

24.(32)

25.

【C10】

三、3.ReadingComprehension(15題)26.(76)

27.

Theword"fib"inthefourthsentenceofParagraph5,probablymeans______.

A.totellthetruth

B.toreduce

C.toincrease

D.totellasmalllie

28.

Privatecompanieshavelittleinterestinproducingfluvaccinesbecauseof______.

A.complicatedprocess,highcost,lowprofitandhighrisk

B.shortagesoffertilizedchickeneggs

C.difficultyingrowinglivevirus

D.fastchangingoffluvirus

29.

AccordingtoJackMaple,tocutcrime______.

A.theheadsofpolicedepartmentshouldmakemorecontactwiththecriminals

B.thegovernmentshouldeducatetheresidentsmore

C.acomputersystemcalledComstatshouldbeadoptedbythepolice

D.thecriminalsshouldbeseverelypunished

30.(69)

31.Throughouthistorytherehavebeenmanyunusualtaxesleviedonsuchthingsashats，beds，baths，marriages，andfunerals．AtonetimeEnglandleviedataxonsunlightbycollectionfromeveryhouseholdwithsixormorewindows．Andaccordingtolegend，therewasaTurkishrulerwhocollectedataxeachtimehedinedwithoneofhissubjects．Why?Topayforthewearandtearonhisteeth!

Differentkindsoftaxeshelptospreadthetaxburden．Anyonewhopaysataxissaidto“beartheburden”ofthetax．Theburdenofataxmayfallmoreheavilyonsomepersonsthanonothers．Thatiswhythethreelevelsofgovernmentinthiscountryuseseveralkindsoftaxes．Thisspreadstheburdenoftaxesamongmorepeople．Fromthestandpointoftheiruse，themostimportanttaxesareincometaxes，propertytaxes，salestaxes，andestate，inheritance，andgifttaxes．Someareusedbyonlyonelevelofgovernment；othersbytwoorevenallthreelevels．Togetherthesedifferenttaxesmakeupwhatiscalledourtaxsystem．

Incometaxesarethemainsourceoffederalrevenues．Thefederalgovernmentgetsmorethanthree-fourthsofitsrevenuefromincometaxes．Asitsnameindicated，anincometaxisataxonearnings．Bothindividualsandbusinesscorporationspayafederalincometax．

TheoldesttaxintheUnitedStatestodayisthepropertytax．Itprovidesmostoftheincomeforlocalgovernments．Itprovidesatleastapartoftheincomeforallbutafewstates．Itisnotusedbythefederalgovernment．

Asalestaxisataxleviedonpurchases．MostpeoplelivingintheUnitedStatesknowaboutsalestaxessincetheyareusedinallbutfourstates．Actuallythereareseveralkindsofsalestaxes，butonlythreeofthemareimportant．Theyaregeneralsalestaxes，excisetaxes，andimporttaxes．

Otherthreecloselyrelatedtaxesareestate，inheritance，andgifttaxes．Everythingapersonowns，includingbothrealandpersonalproperty，makesuphisorherestate．Whensomeonedies，ownershipofhisorherpropertyorestatepassesontooneormoreindividualsororganizations．Beforethepropertyistransferred，however，itissubjecttoanestatetaxifitsvalueexceedsacertainamount．

ThereasonthattheTurkishrulercollectedadiningtaxistopayfor_______．

A.theinconvenienceforhimtoputonandtakeoffclothes

B.thedamagethateatingdidtohisteeth

C.hiseffortstocutthefoodintopieces

D.thedecayofhisteethbecauseofsugar

32.PartC

Directions:Answerquestions71-80byreferringtothefollowinggames.

Note:AnswereachquestionbychoosingA,BorCandmarkitonANSWERSHEET1.Somechoicesmayberequiredmorethanonce.

Note：AnswereachquestionbychoosingA，B，CorDandmarkitonANSWERSHEET1．Somechoicesmayberequiredmorethanonce．

A=WashingtonD.C.B=NewYorkCityC=ChicagoD=LosAngeles

Whichcity…

istheheadquarteroftheSupremeCourt?71．______

wasdiscoveredasearlyas1524?72．______

hasservedasthecapitalofthecountry?73．______

isnowthelargestindustrialcityinthecountry?74．______

leadsthecountryinthemanufactureofaircraftandspareparts?75．______

isthelargestcity?76．______

isthesecondlargestcityinpopulationinU.S.A.?77．______

hasbecomeoneoftheworld'sbusiestports?78．______

coversanareaofover69squaremiles?79．______

isnowconsideredthecenterofindustry，transportation，commerceandfinanceinthemid-westarea?

80．______

AWashingtonD.C.

Washington，thecapitaloftheUnitedStates，isinWashingtonD.C.andissituatedonthePotomacRiverbetweenthetwostatesofMarylandandVirginia．Thepopulationofthecityisabout800,000anditcoversanareaofover69squaremiles(including8squaremilesofwatersurface)．ThesectionwasnamedtheDistrictofColumbiaafterChristopherColumbus，whodiscoveredthecontinent．ThecityitselfwasnamedWashingtonafterGeorgeWashington，thefirstpresidentofU.S.A.

Thebuildingofthecitywasaccomplishedin1800andsincethatyear，ithasservedasthecapitalofthecountry．ThomasJeffersonwasthefirstpresidentinauguratedthere．IntheWarof1812，theBritainarmyseizedthecity．burningtheWhiteHouseandmanyotherbuildings．

WashingtonistheheadquartersofallthebranchesoftheAmericanfederalsystem：Congress，theSupremeCourtandthePresidency．

Apartfromthegovernmentbuildings，therearealsosomeotherplacesofinterestsuchastheWashingtonMonument，theLincolnMemorial，theJeffersonMemorial，theLiteraryoftheCongressandMt．Vernon，homeofGeorgeWashington．

BNewYorkCity

NewYorkCity．locatedinNewYorkState,isthelargestcityandthechiefportoftheUnitedStates．ThecityofNewYorkhasapopulationofover7million(1970)andMetropolitan，12million．

Thecitywithitsgoodharborwasdiscoveredasearlyas1524，anditwasestablishedbyDutchwhonamedthecityNewAmsterdam．In1664，thecitywastakenbytheEnglishanditgotthenameNewYorkasitbearsnow．DuringtheAmericanRevolutionin1776，GeorgeWashingtonhadhishead-quartersforatimeinNewYorkCity．TheDeclarationofIndependencewasfirstreadthereinJuly4th，1776．Thecityre

33.PartB

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

DoesthepublisherofDouglasStarr'sexcellentBlood—AnEpicHistoryofMedicineandCommerceactuallyexpecttosellmanycopies?Whoeverchosethetitleiscertaintoscareoffthesqueamish,andthesubtitle,whichmakestheeffortsoundlikeadry,densesurveytext,hasreallydonethisbookadisservice.Infact,thebraveandcuriouswillenjoyabrightlywritten,intriguing,anddisquietingbook,withsomeimportantlessonsforpublichealth.

66.______

Thebookbeginswithahistoricalviewoncenturiesofloreaboutblood—inparticular,thebeliefthatbloodcarriedtheevilhumorsofdiseaseandrequiredoccasionaldraining.AsrecentlyastheRevolutionaryWar,bloodlettingwaswidelyappliedtotreatfevers.Theideaofusingoneperson'sbloodtohealanotherisonlyabout75yearsold—althoughroguescientistshadexperimentedwithtransfusinganimalbloodatleastasearlyasthe1600s.Thefirsttransfusionexperimentsinvolvedstitchingadonor'svein(inearlycasesthephysician's)toapatient'svein.

67.______

Sabotagedbynotionsaboutthe"purity"oftheirgroups'blood,JapanandGermanylaggedwellbehindtheAlliesintransfusionscience.OncetheyrealizedtheywerelosinginjuredtroopstheAllieshadlearnedtosave,theytriedtocatchup,conductinghorribleandunproductiveexperimentssuchasdrainingbloodfromPOWsandinjectingthemwithhorsebloodorpolymers.

68.______

Duringtheearlytomid-1980s,Starrsays,10,000Americanhemophiliacsand12,000otherscontractedHIVfromtransfusionsandreceiptofbloodproducts.Bloodbanksbothhereandabroadmovedslowlytoacknowledgethethreatofthevirusandinsomecasesevenactedwithcriminalnegligence,allowingthedistributionofbloodtheyknewwastainted.Thisisnotnewmaterial.ButStarr'sinsightsaddadimensiontoastoryfirstexploredinthelateRandyShilts'sAndtheBondPlayedOn.

69.______

Isthebloodsupplysafenow?Screeningproceduresandtechnologyhavegottenmuchmoreadvanced.Yetit'sdisturbingtoreadStarr'scontentionthatapersonreceivingmultipletransfusionstodayhasabouta1in90,000chanceofcontractingHTV—farhigherthanthe"oneinamillion"figurethatbloodbankersonceblithelyandfalselyquoted.Moreover,newpathogensthreatentoemergeandspreadthroughtheincreasinglyhigh-speed,globalblood-productnetworkfasterthansciencecanstopthem.ThispromptsStarrtoarguethattoday'sbloodstoresare"simultaneouslysaferandmorethreatening"thanwhendistributionwaslesssophisticated.

70.______

A.Themassivewartimeblooddriveslaidthegroundworkformodernblood-banking,whichhassavedcountlesslives.Unfortunately,thesedevelopmentsalsosetthestageforagreatmoderntragedy—thespreadofAIDSthroughtheinternationalbloodsupply.

B.Thereissomuchdrama,power,resonance,andimportantinformationinthisbookthatitwouldbeashameifthesqueamishwerescaredoff.Perhapsthekeylessonisthis:Thepublichealthmustalwaysbeguardedagainstthepressuresandpitfallsofcompetitivemarketsandhumanfallibility.

C.Inhischronicleofaresource,Starrcoversanenormousamountofground.Hegivesusanaccountofmankind'sattitudesovera400-yearperiodtowardsthis"precious,mysterious,andhazardousmaterial";ofmedicine'seffortstounderstand,control,anddevelopblood'slife-savingproperties;andofthemultibillion-dollarindustrythatbenefitsfromit.Hedescribesdisparateinstitutionsthatuseblood,fromthemilitaryandthepharmaceuticalindustrytob

34.(74)

35.PartC

Directions:Answerquestions71-80byreferringtothefollowinggames.

Note:AnswereachquestionbychoosingA,BorCandmarkitonANSWERSHEET1.Somechoicesmayberequiredmorethanonce.

A=BewitchedB=SavingPrivateRyanC=TeamAmerica:WorldPoliceD=GodfatherWhichmovie.

tellsthestoryaboutthelastgreatwar?71.______

illustrateshowviolencecandestroyahumansoul?72.______

describestheimageofAmericaasthedominatefigureintheworld?73.______

influencesmostmoviesconcerningthecriminalelementsnowadays?74.______

representsthetensionrelationbetweenAmericaandFrance?75.______

isconsideredasthetopfivemoviesallthetime?76.______

tellsthestoryaboutretrievingthelastoneoffourbrothersinthewar?77.______

describesthestoryofarealwitchwhowasaskedtoacttheroleofanimaginarywitchaccidentally?78.______

wassimplyregardedasamovieaboutgangstersonce?79.______

wasadaptedfromaclassicTVsituationcomedy?80.______

A

Bewitched

"Bewitched"isapainfullyembarrassingremakeoftheclassicTVsitcomthatranonABCfrom1964-1972.Theseries,abouta"mixed"marriagebetweenahigh-flyingsorceressandanearthboundmortal,boastssomeofthemostfamiliarandiconicimagesintelevisionhistory.

WriterNoraEphronhasover-thoughttheconcepttosuchanextentthatshehasmanagedtostripawaymostoftheelementsthatmadetheseriesworkinthefirstplace.Themovieisn'ttechnicallya"remake"of"Bewitched"sincethewitchplayedbyNicoleKidmanisn'ttheSamanthaStevensoftheseriesbutratherasinglewomannamedIsabelBigelowwhogetstoplaySamanthaStephensonTV.It'sallverychicandcomplicated,yousee,butthestorygoessomethinglikethis:tiredofthelifeofinstantgratificationthatwitchcraftsoeasilyaffordsher,Isabelhasdecidedtostrikeoutonherownasatotallyself-reliantmortal,movingintoatracthomeintheSanFernandoValleyandvowingtogetthroughtheremainderofherdayswithoutthebenefitofwitchcraft.Oneafternoonwhileatabookstore,sheisspottedbyoneJackWyatt,apompous,self-centeredmovieactorwhosecareerandpersonallifehavebothbeeninthetankoflateandwhoishopingtoatleastjumpstarttheformerbytakingontheroleofDarrinStevensinanewversionoftheoldseries.OneglimpseofIsabel'snose-twitchingabilityconvinceshimthatthisnon-actresswouldbeperfectforthepart,sowewindup,intruePirandellianfashion,withafictionalTVwitchbeingplayedbyanhonest-to-Godreallifewitch.

B

SavingPrivateRyan

WorldWarIIwasapivotaleventofthe20thcenturyandadefiningmomentforAmericaandtheworld.Itshiftedthebordersoftheglobe.Itforeverchangedthosewholivedthroughit,andshapedgenerationstocome.Ithasbeencalled"thelastgreatwar".

NothingcouldhavepreparedthesoldiersatOmahaBeachforthebattletheyareabouttowage.Filledwithhopeandresolve,noneofthemknowsiftheywillsurvivethesmallstripofbeachaheadofthem.AshiseyesscantheNormandycoast,CaptainJohnMiller(TOMHANKS)believesthatgettinghimselfandhismenpastthegauntletisthegreatestchallengehehasfacedinthewar.Buthismostdifficulttaskstillliesahead.

EvenasthealliedforcesbegintogetafootholdatOmaha,Millerisorderedtotakehissquadbehindenemylinesona

36.(75)

37.WorldleadersmetrecentlyatUnitedNationsheadquartersinNewYorkCitytodiscusstheenvironmentalissuesraisedattheRioEarthSummitin1992.TheheadsofstateweresupposedtodecidewhatfurtherstepsshouldbetakentohaltthedeclineofEarth'slife-supportsystems.Infact,thismeetinghadmuchdieflavouroftheoriginalEarthSummit.Towit:emptypromises,hollowrhetoric,bickeringbetweenrichandpoor,andirrelevantinitiatives.ThinkU.S.Congressinslowmotion.

Almostobscuredbythistorporisthefactmattherehasbeensomeremarkableprogressoverthepastfiveyears—realchangesintheattitudeofordinarypeopleinmeThirdWorldtowardfamilysizeandadawningrealisationmatenvironmentaldegradationandtheirownwell-beingareintimately,andinversely,linked.Almostnoneofthis,however,hasanythingtodowithwhatthebureaucratsaccomplishedinRio.

Oritdidn'taccomplish.OneitemontheagendaatRio,forexample,wasarenewedefforttosavetropicalforests.(ApreviousUN-sponsoredinitiativehadfallenapartwhenitbecameclearthatitactuallyhasteneddeforestation.)AfterRio,aUNworkinggroupcameupwithmorethan100recommendationsthathavesofargonenowhere.Oneproposedforestrypactwoulddolittlemorethanimmunizing"wood-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

38.

Howdothepublicfeelaboutthecurrenteconomicsituation?

A.OptimisticB.ConfusedC.CarefreeD.Panicked

39.PartB

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

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

Supermarketshoppershaveneverbeenmorespoiltforchoice．Butjustwhenwethoughttraditionalsystemsofselectivefarminghadcreatedthemosttemptingarrayoffoodsmoneycanbuy，wearenowbeingpresentedwiththeprospectofgeneticallycreatedstrainsofcabbages，onion，tomato，potatoandapple．

Itmaynotticklethefancyoffoodpuristsbutitfirestheimaginationofscientists．LastweektheydiscoveredthattheclassicParisianmushroomcontainsjustthepropertiesthat，whengeneticallymixedwithawildstrainofmushroomfromtheSonoradesertinCalifornia，couldhelpitgrowenmassewhileatthesametimeprovidingitwiththeresilienceofthewildstrain．

66．______

“Wehavefoundawayofincreasingthesuccessratefromoneto90percent．”

Thisisjustoneofthemanyproductsthat，accordingtoskeptics，arecreatingagenerationof“Frankenfoods”．Thefirstsuchfoodthatmaybeconsumedonawidescaleisatomatowhichhasbeengeneticallymanipulatedsothatitdoesnotsoftenasitripens．

67．______

Criticssaythatthenewtomato—whichcost$25milliontoresearch—isdesignedtostayonsupermarketshelvesforlonger．Ithasaten-daylifespan．

Notsurprisingly，every-hungryUSisleadingthesearchfortheseforbiddenfruit．Bychangingthegenesofagrapefruit．agrowerfromTexashascreatedasweet，red，thin-skinnedgrapefruitexpectedtosellatapremiumoveritsCaliforniaandFloridacompetitors．

Forchipfanaticswhowanttowatchtheirwaist-lines，newhigh-starch，low-moisturepotatoesthatabsorblessfatwhenfriedhavebeencreated，thankstoagenefromintestinalbacteria．

Thescientistsbehindsuchnewfoodarguethatgeneticengineeringissimplyanextensionofanimalandplantbreedingmethodsandthatbybroadeningthescopeofthegeneticchangesthatcanbemade，sourcesoffoodareincreased.Accordingly，theyargue，thisdoesnotinherentlyleadtofoodsthatarelesssafethanthosedevelopedbyconventionaltechniques．Butifdesirablegenesareswappedirrespectiveofspeciesbarriers，couldthingsspiraloutofcontrol?“Knowledgeisnottoxic，”saidMarkCantley，headofthebiotechnologyunitattheOrganisationforEconomicCo-operationandDevelopment．“Ithasgivenusafargreaterunderstandingofhowlivingsystemsworkatamolecularlevelandthereisnoreasonforpeopletothinkthatscientistsandfarmersshouldusethatknowledgetodoriskythings．”

Clearly，financialincentiveliesbehindthedevelopmentofthesebigger，moreproductivefoods．Butwemayhaveonlyourselvestoblame．Intheearlyperiodofmassfoodcommerce，foodvarietiesweredevelopedbytraditionalmethodsofselectivebreedingtosuitthelocalpalate．Butassuppliersstartedtoselectandpreserveplantvariantsthathadlargerfruit，consumerexpectationsrose，leadingtothedevelopmentofthedesirableclones．Still，traditionalistsandgourmetsinEuropearefightingtheirdevelopment．

68．______

Eveninthepre-packagedUS．wheretheslow-softeningtomatowillsoonbereachingsupermarkets，1,500AmericanchefshavelenttheirsupporttothePureFoodCampaignwhichcallsfortheinternationalboycottofgeneticallyengineeredfoodsuntilmoreisknownabouttheconsequencesofthetechnologyandreliablecontrolshave

40.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.

四、閱讀理解(5題)41.

根據下列文章回答36～40題：

第

36

題

Accordingtosomedoctorsandpoliticians，theamounto