2021-2022年福建省龙岩市公共英语五级(笔试)模拟考试(含答案)

2021-2022年福建省龙岩市公共英语五级(笔试)模拟考试(含答案)学校:________班级:________姓名:________考号:________

一、1.ListeningComprehension(15题)1.PartB

Directions:Youwillhear3conversationsortalksandyoumustanswerthequestionsbychoosingA,B,CorD.YouwillheartherecordingONLYONCE.

听力原文：W:Doyouenjoyyourwork?Doyouenjoymeetingpeople?

M:Yes.Sometimes.I'vegottobehonest.Sometimes.

W:So,somepeopleyoulikeandsomeyoudon't?

M:Yeah,it'slikealotofthings,meetingthegeneralpublic.Yougetgooddays,andyougetbaddays.ButIdoenjoythejob.Ilikethefreedomofthejob,beingself-employed.

W:Doyouevergetdifficultpassengers?

M:Yes,sometimes.

W:Whatsortofthingsdotheygetupto?

M:Iwouldsaysometimesalotofdifficultpassengersarepeoplewhodon'tgoincabsalotandthey'reunfamiliarwithprocedures,especiallyifyouworknights.Peopledrinkingortheextrasthatwouldbeincludedonthetariffafteracertaintimeofnight.

W:Youmeantheyarguewithyouovermoney?

M:Yes,thatcanhappen.Ortheway...thegoodthingis,peoplecanargueaboutthewaythatyougoonacertainroutebecausetheyalwaysknowbetter.Butninetimesoutoftentheroutethattheytakeyouonisfarlongerso,youknow,they'retheeventuallosers.

W:Soifyoudohaveadifficultpassengeryouwanttogetridof,whatdoyoudo?

M:I'dstopthecabandtellthemtogetout.

W:Doesthatoftenhappen?

M:Mmm,it'shappenedtomethreetimes.Andthey'vegotout.SoI,Imyselfhaven'thadalotofproblemswithdifficultpeople,youknow.

W:Whenyoupickuptouristsaspassengers,whatkindofplacesdotheyliketogoto?

M:IsupposethemostfamouslandmarkisBuckinghamPalace,theTowerofLondon,maybeHarrods;butcertainlyBuckinghamPalace.

Whatdoesthemando?

A.Ataxi-driver.

B.Abusdriver.

C.Apoliceman.

D.Atouristguide.

2.Sugarincoldsweetdrinksslowstheliquidfromgettingintotheblood-stream.

A.RightB.Wrong

3.WhogavedairyproductstothenativeAmericans?

4.MDistheabsoluteheadofthecompany.

A.TrueB.Fasle

5.Accordingtothespeaker,whydopesticidesposeathreattoamphibians?

A.Pesticidescancauseanamphibian'sskintodryout.

B.Pesticideskilltheinsectsthatamphibiansdependonforfood.

C.Dissolvedpesticidescaneasilyenteramphibian'sbodies.

D.Amphibiansmayeatplantsthathavebeentreatedwithpesticides.

6.WherewasthefinalsoftheWorldCupin1994held?

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

7.HowmanypeopledependonlocalriceandfoodinSouthAsiacurrently?

A.Morethan150millionpeople.

B.Lessthan150millionpeople.

C.About100millionpeople.

D.About120millionpeople.

8.Whatcanthelistenersrelyonwhentheyarelistening?

9.MrMillerdidchangesonthehouseonlyforfun.

A.RightB.Wrong

10.听力原文：M:Doyouthinkwomenaregenerallybetteratcertainthingsthanmen?

W:Well,itseemstomewomenaremuchbetteratdealingwithmorethanonethingatatime.Idon'tknowwhetherthishastodowiththedifferenceintheirbrainorwhetherit'sjusthowtheyhavetocopemoreoftenwithmorethanonething.Forexample,itisusuallywomenwhowork,havebabies,lookafterthebabiesandtakethemainresponsibilityforlookingafterthehome.Andmaybeit'spracticingallthatmakeswomenbebetterabletodomorethanonethingatatime.Men,itseemstome,canonlyconcentrateononethingatatime,includingboringdomesticthingslikewashingthedishes.Ifafriendofminewhoisamanwashesthedisheshe'llfinditquitedifficulttoconductaconversationatthesametime,whereasifI'mdoingthedishesI'malwaystalkingtosomeone,probablycookingsomethingaswell,andfindingthatnottoostressful.

M:Doyouthinkwomenaremoreinterestedinpersonalrelationshipsthanmen?

W:Generally,yes,thoughagainIdon'tknowifthisisbecausethatfromanearlyagetheyaretaughttopleaseotherpeople,whereasmenarealwaystaughttopleasethemselves.Ithinkrelationshipsaremorecentraltomostwomen'slives.Forexample,Ithinkmendon'thaveverygoodconversationswitheachother,whereaswomendo.Ifyoulistentowomentalking,oftentheywillbehaving,afterarelativelyshorttimeofknowingeachother,fairlypersonalandtruthfulconversations,whereasmenhaveconversationsnotaboutwhatI'dcallrealthings.Theywilltalkabouttheirworkinaverysuperficialway,ortheirinterestsinaverysuperficialway,forexample,andfootballisthe—um—justasortofwayformentorelatetoeachotherwithoutactuallysayinganythingimportant,itappearstome.

Accordingtothewoman,whywomenaremuchbetteratdealingwithmorethanonethingatatime?

A.Shedoesn'tknowthereasonexactly.

B.Becausewomenaresmarterthanmen.

C.Becausewomenhavemorethingstodealwiththanmen.

D.Becausemenalwaysrefusetodealwithmorethanonethingatthesametime.

11.Whatwasthenamegiventothegenerationthatcameofageduringthe1960s?

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.Ourhumanfriendssometimesmaymakeusbored,butthefriendsinbooksmayalsobehurtbyus.

A.TrueB.Fasle

14.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.

15.Whatdoesrepetitionofideasmean?

二、2.UseofEnglish(10题)16.

【C13】

17.

【C19】

18.

【C8】

19."Themoregadgetsthereare,the【31】______thingsseemtoget."saidHonoreErvin,co-authorofTheEtiquetteGirls:ThingsYouNeedtoBeTold-"Justbecauseit'sthere【32】______yourdisposal,doesn'tmeanyouhavetouseit24/7."

Arecent【33】______bymarketresearchcompanySynovateshowedthat70percentof1,000respondents【34】______thepoorestetiquetteincellphoneusersoverotherdevices.Theworsthabit?Loudphoneconversationsinpublicplaces,or"cellyell,"【35】______to72percentoftheAmericanspolled.

"Peopleuse【36】______anywhereandeverywhere,"Ervinsaid."Atthemovies-turn【37】______yourcellphone.Idon'twanttopay$10tobesittingnexttosomeguychitchattingtohisgirlfriend【38】______hiscellphone."Thisrudenesshasdeterioratedpublicspaces,accordingtoLewFriedland,acommunicationprofessor【39】______theUniversityofWisconsin-Madison.He【40】______thelackofmannersakindofunconsciousrudeness,【41】______manypeoplearenot【42】______ofwhatthey'redoingortheothersaroundthem.

"Ithinkit'sreallynoticeableinanyplane,trainorbus【43】______you'resubjectedagainstyourwill【44】______someoneelse'sconversation,"hesaid."Youcanlistentointimatedetailsoftheiruncle'sillness,problemswiththeirloversand【45】______they'rehavingforsinner.""It【46】______whatwasapubliccommonspaceandstartsto【47】______itupintosmallprivatespace."

Ashorttimeago,ifcellphoneusers【48】______politelyaskedtotalkquietly,theywould【49】withchagrin,hesaid."Nowmoreandmorepeopleareessentiallytreatingyoulikeyoudon'tunderstandthatloudcellphoneuseis【50】______inpublic."

(31)

20.

【C11】

21.(44)

22.(37)

23.(43)

24.(45)

25.(35)

三、3.ReadingComprehension(15题)26.(69)

27.

Theword"cleared"(Line4,Paragraph3)mightmean______.

A.permittedB.removedC.provedD.produced

28.PartB

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

Itwasamomentmostbusinessexecutiveswouldpausetosavor:latelastyear,GermansportinggoodspioneerAdidaslearnedthatafteryearsofdecliningmarketshare,thecompanyhadsprintedpastU.S.ReebokInternationaltotakethesecondplacebehindNikeintheraceforworldwidesales.ButRobertLouis-Dreyfus,therumpledFrenchmanwhonowrunsAdidas,anddidn'tevenstopforoneofhistrademarkHavanacigarsincelebration,worriedthatthecompanywouldgrowcomplacent.Instead,heandagroupoffriendsboughtFrenchsoccerclubOlympicdeMarseille"Nowthat'ssomethingIhavedreamedaboutsinceIwasakid."Louis-Dreyfussayswithanadolescentgrin.

66.______

Withsalesinthefirstthreequartersof1996at$2.5billion,upablithering30.7%over1995,it'shardtorecallthedismalshapeAdidaswasinwhenLouis-DreyfustookoveraschairmaninApril1993.Foundedin1920byAdiDassler,theinventorofthefirstshoesdesignedespeciallyforsports,thecompanyenjoyedanearmonopolyinathleticshoesuntilanupstartcalledNikeappearedinthe1970sandrodetherunningfadtoriches.Bytheearly1990sAdidashadcomeunderthecontrolofFrenchbusinessmanBernardTapie,whowaslaterjailedforbribingthreeFrenchsoccerplayers.AlthoughthecompanytriedtospruceupitsstaidimagewithateamofAmericandesigners,Adidaslostmorethan$100millionin1992,promptingtheFrenchbanksthathadacquiredcontrolofthecompanyfromTapietobeginadesperatesearchforanewowner.

67.______

Thepoker-lovingLouis-Dreyfusknewhehadbeendealtawinninghand.FollowingtheleadsetbyNikeinthe1970s,hemovedproductiontolow-wagefactoriesinChina,IndonesiaandThailandandsoldAdidas'EuropeanfactoriesforatokenoneDeutschemarkapiece.HehiredPeterMoore,aformerproductdesigneratNike,ascreativedirector,andsetupstudiosinGermanyfortheEuropeanmarketandinPortland,Oregon,fortheU.S.Hethenriskedeverythingbydoublinghisadvertisingbudget."Wewentfromamanufacturingcompanytoamarketingcompany,"saysLouis-Dreyfus."Itdidn'ttakeagenius—youjusthadtolookatwhatNikeandReebokweredoing.Itwaseasierforsomeonecomingfromtheoutside,withnobaggage,todoit,thanforsomebodyfrominsidethecompany."

68.______

"ThemarketingatAdidasisvery,verygoodrightnow,"saysEugenioDiMaria,editorofSportingGoodIntelligence,anindustrynewsletterperceivingAdidasasaveryyoungbrand."Thecompanyisparticularlystronginapparel,muchstrongerthanNikeandReebok."

Although90%ofAdidasproductsforwearonstreetinsteadofsportsfields,Louis-DreyfusfeltthepreviousmanagementhadlostsightofAdidas'rootsasasportingproductscompany.Afterall,AdiDasslerinventedthescrew-instudforthesoccershoeandshodAmericanchampionJesseOwensinthe1936Olympics.Sohesoldofforfoldedothernon-corebrandsthatAdidashaddeveloped,includingLeCoqSportif,ArenaandPony.Europeisstillthecompany'slargestmarketbecauseAdidasdominatestheapparelindustryandthankstosoccer'smassivepopularitythere,Louis-Dreyfttsisquicktosharecreditfortheturnaroundwithasmallgroupoffriendswhoboughtthecompanywithhimin1993.OneofthosefellowinvestorsisaformerIMScolleague,ChristianTourres,nowsalesdirectoratAdidas."We'reprettycomplementarybecauseI'mabitofadreamer,soit'sgoodtohavesomebodyknockingonyourheadtoremindyouthere'sabudget,"saysLouis-Dreyfus.

Commutingtothefirm

29.(68)

30.PartB

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

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,Startsays,10,000Americanhemophiliacsand12,000otherscontractedHIVfromtransfusionsandreceiptofbloodproducts.Bloodbanksbothhereandabroadmovedslowlytoacknowledgethethreatofthevirusandinsomecasesevenactedwithcriminalnegligence,allowingthedistributionofbloodtheyknewwastainted.Thisisnotnewmaterial.ButStarr'sinsightsaddadimensiontoastoryfirstexploredinthelateRandyShilts'sAndtheBondPlayedOn.

69.______

Isthebloodsupplysafenow?Screeningproceduresandtechnologyhavegottenmuchmoreadvanced.Yetit'sdisturbingtoreadStarr'scontentionthatapersonreceivingmultipletransfusionstodayhasaboutalin90,000chanceofcontractingHIV--farhigherthanthe"oneinamillion"figurethatbloodbankersonceblithelyandfalselyquoted.Moreover,newpathogensthreatentoemergeandspreadthroughtheincreasinglyhigh-speed,globalblood-productnetworkfasterthansciencecanstopthem.ThispromptsStarttoarguethattoday'sbloodstoresare"simultaneouslysaferandmorethreatening"thanwhendistributionwaslesssophisticated.

70.______

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

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

C.Inhischronicleofaresource,Startcoversanenormousamountofground.Hegivesusanaccountofmankind'sattitudesovera400-yearperiodtowards

31.At18,AshanthiDeSilvaofsuburbanClevelandisalivingsymbolofoneofthegreatintellectualachievementsofthe20thcentury.Bornwithanextremelyrareandusuallyfataldisorderthatleftherwithoutafunctioningimmunesystem(the"bubble-boydisease",namedafteranearliervictimwhowaskeptaliveforyearsinasterileplastictent),shewastreatedbeginningin1990witharevolutionarynewtherapythatsoughttocorrectthedefectatitsverysource,inthegenesofherwhitebloodcells.Itworked.Althoughherlastgene-therapytreatmentwasin1992,sheiscompletelyhealthywithnormalimmunefunction,accordingtooneofthedoctorswhotreatedher,W.FrenchAndersonoftheUniversityofSouthernCalifornia.Researchershavelongdreamedoftreatingdiseasesfromhemophiliatocancerbyreplacingmutantgeneswithnormalones.Andthedreamingmaycontinuefordecadesmore."Therewillbeagene-basedtreatmentforessentiallyeverydisease,"Andersonsays,"within50years."

It'snotentirelyclearwhymedicinehasbeensoslowtobuildonAnderson'searlysuccess.TheNationalInstitutesofHealthbudgetofficeestimatesitwillspend$432millionongene-therapyresearchin2005,andthereisnoshortageofpromisingleads.Thetherapeuticgenesareusuallydeliveredthroughvirusesthatdon'tcausehumandisease."ThevirusissortoflikeaTrojanhorse,"saysRonaldCrystalofNewYorkPresbyterian/WeillCornellMedicalCollege."Thecargoisthegene."

AttheUniversityofPennsylvania'sAbramsohCancerCenter,immunologistCarlJunerecentlytreatedHIVpatientswithageneintendedtohelptheircellsresisttheinfection.AtCornellUniversity,researchersarepursuinggene-basedtherapiesforParkinson'sdiseaseandararehereditarydisorderthatdestroyschildren'sbraincells.AtStanfordUniversityandtheChildren'sHospitalofPhiladelphia,researchersaretryingtofigureouthowtohelppatientswithhemophiliawhotodaymustinjectthemselveswithexpensiveclottingdrugsforlife.Animalexperimentshaveshowngreatpromise.

Butsomehow,thingsgetlostinthetranslationfromlaboratorytopatient.Inhumantrialsofthehemophiliatreatment,patientsshowaresponseatfirst,butitfadesovertime.Andthefieldhasstillnotrecoveredfromthesetbackitsufferedin1999,whenJesseGelsinger,an18-year-oldwithararemetabolicdisorder,diedafterreceivinganexperimentalgenetherapyattheUniversityofPennsylvania.Someexpertsworrythatthefieldwillbetarnishedfurtherifthenextpeopletobenefitarenotpatientsbutathletesseekinganedge.Thissummer,researchersattheSalkInstituteinSanDiegosaidtheyhadcreateda"marathonmouse"byimplantingagenethatenhancesrunningability;already,officialsattheWorldAnti-DopingAgencyarepreparingtotestathletesforsignsof"genedoping".Buttheprincipleisthesame,whetheryou'retryingtohelpahealthyrunnerrunfasterorallowamuscular-dystrophypatienttowalk."Everybodyrecognizesthatgenetherapyisaverygoodidea,"saysCrystal."Andeventuallyit'sgoingtowork."

ThecaseofAshanthiDesilvaismentionedinthetextto______.

A.showthepromiseofgene-therapy

B.giveanexampleofmoderntreatmentforfataldiseases

C.introducetheachievementofAndersonandhisteam

D.explainhowgene-basedtreatmentworks

32.

WhatdoestheauthorthinkofBotticelli'srepresentationskills?

A.Theyaretobefullyappreciated.

B.Theyevolvefromanuncertainsource.

C.Theyunderliehispersonality.

D.Theyconform.totheclassicalstyle.

33.(74)

34.(75)

35.

TheviewsofVasariandHomeonBotticelli'sproductsare______.

A.identicalB.complementaryC.oppositeD.similar

36.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?