2022-2023年四川省成都市公共英语五级(笔试)重点汇总（含答案）

2022-2023年四川省成都市公共英语五级(笔试)重点汇总（含答案）学校:________班级:________姓名:________考号:________

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

Directions:Youwillhearatalk.Asyoulisten,answerQuestions1-10bycirclingTRUEorFALSE.YouwillhearthetalkONLYONCE.Younowhave1minutetoreadQuestions1-10.

听力原文：Everyyeartherearereportsofpeopledyingastheresultofextremelyhotweather.Manyofthevictimsareoldpersons,whoseheartsorbreathingsystemsdecline.Butmanydiefromlackofwater.

Waterisnecessaryforlifeandgoodhealth.Weoftenforgetthisfactwhenwethinkabouttheotherbuildingblocksoflifesuchasvitamins,mineralsandproteins.Wecanliveformanydayswithouteating,buttwoorthreedayswithoutwaterusuallyleadstodeath.

Thehumanbodymaylooksolid,butmostofitiswater.Newbornbabiesareasmuchas85%water.Womenareabout65%waterandmenabout75%.Womenusuallyhavelesswaterthanmenbecausewomen,ingeneral,havemorefatcells,andfatcellsholdlesswaterthanotherkindsofcells.

Waterdoesmanydifferentthingstokeepushealthy.Itcarrieshormones,antibodiesandfoodsthroughthebody,andcarriesawaywastematerials.Thatiswhydifferentpartsofthebodycontaindifferentamountsofwater.Forexample,bloodis83%water,musclesare75%water,thebrainis74%,andbonesare25%,.

Waterisalsonecessaryforcoolingthebodyunderhotweatherandwhenweareworkinghardorexercising.Watercarriesbodyheattothesurfaceoftheskin,wheretheheatislostthroughperspiration.Researcherssaycoolliquidscoolusfasterthanwarmliquids,becausecoldliquidstakeupmoreheatinsidethebodyandcarryitawayfaster.Theysay,however,thatcoldsweetdrinksdonotworkwellbecausethesugarslowstheliquidfromgettingintotheblood-stream.

Researchersalsonotethatfatcellsblockbodyheatfromescapingquickly.Fatcellsundertheskinactlikewarmclothingtokeepbodyheatinside.Thisiswhyoverweightpeoplehaveamoreeasytimestayingcoolthanthinpeople.

Thebodyloseswatereverydaythroughperspirationandurine.Ifwelosetoomuch,wewillbecomesick.A10%dropinbodywatercancausethebloodsystemtofail.A15%~20%dropusuallyleadstodeath.Toreplacewhatislost,healthexpertssaygrowingpersonsshoulddrinkabout2litersofliquidseachday,andmoreinhotweather.Theysaywecanalsogetsomeofthewaterweneedinthefoodsweeat.Mostfruitsandvegetablesaremorethan80%water.Meatsare50%~60%water.Andevenbreadisabout33%water.Watermaybeoneofthemostsimpleofallchemicalsubstances,butitisthemostimportantsubstancethatweputintoourbodies.

Waterisakindofchemicalsubstance.

A.TrueB.Fasle

2.听力原文：M:Soyoureallybelievethatclothescarryakindofmessageforotherpeopleandthatwhatweputonisinsomewayareflectionofwhatwefeel?

W:Ohyes,verymuchso.Nowpeoplearebeginningtotakeseriouslytheideaofakindofpsychologyofclothing,tobelievethatthereisnotjustindividualtasteinourclothesbutalsoathinkingbehindwhatwewearwhichistryingtoexpresssomethingwemaynotevenbeawareofourselves.

M:Butsurelythishasalwaysbeenthecase.Wealldressupwhenwewanttoimpresssomeone,suchasforajobinterviewwithaprospectiveemployer;wethenmakeaneffortandputonsomethingsmart.

W:True,butthat'saconsciousact.WhatIamtalkingaboutismoreofasubconsciousthing.Takeforexamplethestudentwhoisawayfromhomeatcollegeoruniversity:ifhetendstowraphimselfupmorethantheothers,thisisbecauseheisprobablyfeelinghomesick.Similarly,ageneralfeelingofinsecuritycansometimestaketheform.ofoverdressinginwarmerclothesthannecessary.

M:Canyougiveanyotherexamples?

W:Yes.Ithinkpeoplewhoaresociableandoutgoingtendtodressinanextrovertedway,preferringbrighterormoredazzlingcolorsyellows,brightreds,andsoon.Inthesameway,whatmightbeseenasaparallelwiththeanimalkingdom,aggressiveclothesmightindicateanaggressivepersonalityorattitudetolife.Thinkaboutthethreatdisplaysusedbyanimalswhentheywanttowarnoffopponents.

M:Doyouthinkthecareorlackofitoverthewayweactuallywearourclotheshasanythingtotellus?

W:Yes,indeed.Thelength,forexample,ofaman'strousersspeaksvolumesaboutthisawarenessofhisownimage.Or,ifhistrousersaretooshortorhangingloosely,thisprobablymeanshe'sabsorbedbyotherthings.

Accordingtothewoman,whatgovernstheclotheswewear?

A.Adesiretoexpressoneselfandshowone'swealth.

B.Individualtasteandloveforbeauty.

C.Loveforbeautyandadesiretoimpressotherpeople.

D.Individualtasteandadesiretoexpressoneself.

3.Accordingtothespeaker,howdosomepesticidesgetintoponds?

A.Theyareappliedtoaquaticweedsbyfishfarming.

B.Amphibiansreleasethemfromtheirskin.

C.Irresponsibledisposeoftheminponds.

D.Theyarewashedintopondsbytherain.

4.Accordingtothespeaker,whydopesticidesposeathreattoamphibians?

A.Pesticidescancauseanamphibian'sskintodryout.

B.Pesticideskilltheinsectsthatamphibiansdependonforfood.

C.Dissolvedpesticidescaneasilyenteramphibian'sbodies.

D.Amphibiansmayeatplantsthathavebeentreatedwithpesticides.

5.Allchainscanofferstudentsthesametypeofcourseindifferentplaces.

A.TrueB.Fasle

6.Whatlessoncouldbedrawnfromtheaccident?

A.Accuratecommunicationisofutmostimportance.

B.Pilotsshouldbeabletospeakseveralforeignlanguages.

C.Aircontrollersshouldkeepaclosewatchontheweather.

D.Cooperationbetweenpilotsandaircontrollersisessential.

7.Whatactiondidthetramptake?He______

A.lootedthestore

B.madehimselfathome

C.wenttosleepfor2days

D.hadaChristmasparty

8.Whichareaoftheworldcontributedtoanincreasebetween94/95and95/96?

9.听力原文：Theexpression,"lameduck",canbeheardinalmostanyAmericantownorcity,especiallywherepeoplediscusspolitics.Mostoften,theyuseittodescribeapoliticianwhohascometotheendofhispower.

Thereareanumberofideasastowhere"lameduck"camefrom,thoughthepictureofalameduckisclearenough;aduckthathashaditswingscut,oritsfeetinjured,andcannolongerwalklikeahealthyone.

ThetermseemstohavecomeintotheAmericanlanguageaftertheCivilWarof1861-1865.Oneexplanationisthatitcamefromthelanguageofhunterswhofeltthatitwasfoolishtowastepowderortimeonadeadduck.Andalameduckisclosetobeingadeadduck.

Anotherexplanation,however,isthattheexpressioncamefromEngland.Thereitwasusedtodescribeamanwholostallhismoneyandcouldnotpayhisdebts.Hecoulddonothingbutwalklikealameduck.Andpeopleshowedlittlemercyforthepoorfellow.

ButintheUnitedStatespeopletookthephrasetodescribecongressmanwhofailedtogetre-electedbutstillhadalittletimeleftinoffice.

Later,theexpressionwasusedinabroadersense,generallydescribinganymanwhosedaysofpowerwerecomingtoanend.IthasoftenbeenusedtodescribethepositionofanAmericanpresidentinthelasttwoyearsorsoofhissecondterm.Itisadifficulttimeforhim,whenCongressisreadytoopposehimateveryturn.

Wherecantheexpression"lameduck"beheard?

A.Onlyamonghunters.

B.Amongprimaryschoolpupils.

C.Amongbeautifulladies.

D.Amongpeoplewhoarediscussingpolitics.

10.WhichofthefollowingstatementsisNOTTRUE?

A.Gettingofftoworkwithaminimumefforthelpssaveone'senergy.

B.Dr.Kleimanexplainswhypeoplereachtheirpeaksatdifferenthoursofaday.

C.Habithelpsapersonadapttohisownenergycycle.

D.Childrenhaveenergycycles,too.

11.PartC

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

Younowhave1minutetoreadQuestions21-30.

听力原文：Asyouknow,manybigchangeshappenedafterChristopherColumbusandotherEuropeanscametotheAmericas500yearsago.TodayI'mgoingtotalkaboutachangeintheworlddietthewaypeoplecookedandate.Fivehundredyearsago,therewasabigchangeinthedietofpeopleallovertheworld.

Let'stalkaboutthedietinEurope500yearsago.Oneimportantfoodwasmeat.Europeansatemanykindsofmeat,includingbeef,lamb,goat,andpork.Ekandcheesemadefromthemilkofcowsandgoats.TheEuropeansateseveraldifferentgrains：Mostpeopleatewheat,andsomepeopleaterice,whichcamefirstfromAsia.

Now,let'slookatthedietintheAmericasabout500yearsago.ThedietofthenativeAmericanwasquitedifferentfromthedietoftheEuropeans.ThisisbecausetheEuropeanmeats,dairyproducts,andgrainsdidn'texistintheAmericas.However,thenativeAmericansatesomefoodthatdidn'texistinEurope.ThenativeAmericansatedifferentvegetables,suchaspotatoesandtomatoes.Theyatedifferentgrains,suchascorn.Theyatedifferentmeat,suchasturkeyandotherwildbirds.Theyalsousedspicessuchaschocolateandhotchilipeppers.NoneofthesefoodsexistedinEurope500yearsago.

Nowlet'stalkaboutthebigchangeintheworlddiet500yearsago,afterColumbusandtheEuropeanswenttotheAmericas.

AfterEuropeanswenttotheAmericas,thedietofthenativeAmericanschangedalot.WhentheEuropeanswenttotheAmericas,theytookmanynewkindsoffoodwiththem.TheEuropeansgavesomeofthefood,themeat,dairyproducts,andgrainstothenativeAmericansandthenthenativeAmericansstartedtousetheEuropeanfoodintheircooking.Asaresult,thedietintheAmerica'stodayisverydifferentfromtheirdiet500yearsago.Forexample,ifyougotoacountrylikeMexico,youcanseethatthetraditionalMexicanfoodusesalotofbeef,pork,cheese,wheat,andrice,allfoodsthatcamefromEuropewithColumbus.

AftertheEuropeansreturnedtoEuropefromtheAmericas,therewasalsoabigchangeinthedietofpeopleinEuropeandtherestoftheworld.WhentheEuropeansreturnedtoEurope,theytookmanynewkindsoffoodbackfromtheAmericas.Theytookbackthevegetables,grains,andspicesthattheyfoundintheAmericas.Littlebylittle,peoplealloverEuropestartedusingthenewfoodsintheircooking,andthenthefoodsspreadaroundtheworldtoAfrica,theMiddleEastandAsia.

Someofthenewfoodspreadveryquicklyaroundtheworld.Oneexampleisthechilipepper.Youmaybesurprisedtoknowthat500yearsago,thechilipepperdidn'texistinmanycountriesthat.arefamoustodayfortheirhotandspicyfoodmadewithchilies.Actually．weminkthatthefirstchilipepperwastakentoSpainbyColumbusin1493,whenhereturnedfromtheAmericas.Afteronly100years,chilipeppershadspreadallaroundtheworld.Theygroweasilyinwarmweather.TheonlyplacethatthechilipepperdidnotbecomepopularwasNorthernEurope,probablybecauseitistoocoldtogrowchilipepperseasily.

Althoughchilipeppersspreadquickly,otherfoodsfromtheAmericasspreadveryslowly.Potatoesareagoodexample.Ittookabout250yearsforthepotatoestospreadaroundtheworld.ThereasonittooksolongisthatEuropeansthoughtthatpotatoeswerepoisonous.ThepotatolookedalotlikeaverypoisonousplantthatgrewinEurope.Peoplewereafraidtoeatpotatoes!Foralongtime,peopleonlyusedpotatoestofeedtheirpigs.Butslowly,peoplestartedusingpotatoesasfoodforthemselves.Today,ofcourse

12.Calories,naturalfood,mountainsandthedistancefrommoderncitiesaretheonlycommonthingsinthethreeregions.

A.TrueB.Fasle

13.Howmanyreactionscouldyouhavetowardstheteacher'sreport?

14.Thesuccessofchainschoolsistosomeextentbecauseoftheirmarketingandadvertising.

A.RightB.Wrong

15.Whatwilltheclassdonow?

A.Hearanotherreport.

B.DiscussoneofEmilyDickinson'spoems.

C.Hearalecturegivenbytheteacher.

D.Discusspoemstheyhavewrittenthemselves.

二、2.UseofEnglish(10题)16.

【C16】

17.

【C11】

18.(45)

19.(42)

20.(44)

21.(35)

22.(48)

23.

【C10】

24.(47)

25.

【C20】

三、3.ReadingComprehension(15题)26.(67)

27.TheVillageGreeninNewMilford,Connecticut,isasnapshotofNewEnglandcharm：acarefullymanicuredlawnflandedbyscrupulouslymaintainedcolonialhomes.Babysittersdandlekidsinthewoodengazebo,waitingforcommuterparentstoreturnfromNewYork.OnalazyafternoonlastweekCarolineNicholas,16,hadnothingmorepressingtodothandrinkintheearly-summersunshineanddiscusstherecenteventsintown.“Idon'tthinkalotofolderpeopleknewtherewereunhappykidsinNewMilford,”shesaid,“Icouldseeitcoming.”

Inafive-dayperiodinearlyJuneeightgirlswerebroughttoNewMilfordHospitalafterwhathospitalofficialscallsuicidalgestures.Thegirls,allbetween12and17,triedavarietyofmeasures,includingheavydosesofalcohol.over-the-countermedicinesandcutsorscratchestotheirwrists.Nonewassuccessful,andmostdidn'trequirehospitalization；butatleasttwoattempts,accordingtothehospital,couldhavebeenvital.Theirreasonsseemedasmundaneastheotherhappen-stancesofsuburbanlife.“Iwasjustsickofitall,”onetoldareporter,“Everythinginlife.”Mostalarming,emergency-roomdoctorFrederickLohsetoldalocalreporterthatseveralgirlssaidtheywerepartofasuicidepact.Thehospitallaterbackedawayfromthisremark.Butcominginthewakeofatleastsixteensuicideattemptsoverthepreviousfewmonths．thissuddencluster—alongwiththeinfluxofmedia—hassetthiswell-groomedsuburbof23,000onedge.AtatownmeetinglastWednesdaynight,DrSimonSobo,chiefofpsychiatryatthehospital,toldmorethan200parentsandkids,“We'retalkingaboutacrisisthathasreallygottenoutofhand.”Laterheadded,“TherehavebeenmoresuicideattemptsthisspringthanIhaveseeninthe13yearsIhavebeenhere.”

Sobosaidthatthegirlshetreateddidn'thaveseriousproblemsathomeorschool.“Manyofthesewerepopularkids,”hesaid,“Theygotplentyoflove,butbeneaththereassuringsigns,aswathofteensherearenotmakingit.”Somesaythatdrugs,bothpotand‘realdrugs’,arecommonplace.KidshaveshownupwithLIFESUCKSandLONGLIVEDEATHpennedontheirarms.Afewgirlscasuallydisplayscarsontheirarmswheretheycutthemselves.“You'dbesurprisedhowmanykidstrysuicide,”saidonegirl,17.“Youdon'twanttoputpainonotherpeople;youputitonyourself.”Shesaidsheusedtocutherself“justtoreleasethepain”.

Emily,15,afriendofthreeofthegirlstreatedin,June,saidonewashavingfamilyproblems,onewas“upsetthatday”andthethirdwas“justupsetwitheverythingelsegoingon”.Shesaidtheyweren'treallytryingtokillthemselves—theyjustneededconcern.AsSobonoted,“What'sgoingoninNewMilfordisnotuniquetoNewMilford.”Thesameunderlyingcultureofdespaircouldbefoundinanytown.Butteensuicide,headded,canbea“contagion”.RightnowNewMilfordhasthebug-andhasitbad.

Whatisthemainsubjectofthepassage?

A.EightgirlscommittedsuicideinNewMilford.

B.ThevillageGreenisnotacharmingplace.

C.Teenagersuicide.

D.Dr.SimonSobo'sachievements.

28.(75)

29.

TheNationalAssociationtoAdvanceFatAcceptanceholdsthat______.

A.fatpeopleshouldtrytoloseweight

B.eatinglessisharmfultopeople'shealth

C.fatpeoplewerebornthatway

D.obesityisgoodforpeople

30.

WhatdidtheUNcallonnationstodoaboutCO2andothergreenhousegasesin1992?

A.TosignanewclimatetreatyatRio.

B.TodraftanagreementamongUNnations.

C.ToforcetheUnitedSatestoreduceitsemissions.

D.TolimitthereleaseofCO2andothergases.

31.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

32.(80)

33.ShortagesoffluvaccinearenothingnewinAmerica,butthisyear'sisawhopper.Untillastweek,itappearedthat100millionAmericanswouldhaveaccesstoflushotsthisfall.ThenBritishauthorities,concernedaboutquality-controlproblemsataproductionplantinLiverpool,barredallfurthershipmentsbytheChironCorp.Overnight,theU.S.vaccinesupplydwindledbynearlyhalfandfederalhealthofficialsfoundthemselvesmakinganunusualplea.Insteadofbeseechingusalltogetvaccinated,they'renowurgingmosthealthypeoplebetweentheagesof2and64notto."Thisreemphasizesthefragilityofourvaccinesupply,"saysDr.MartinMyersoftheNationalNetworkforImmunizationInformation,"andthelackofredundancyinoursystem."

Whyissuchabasichealthservicesoeasilyknockedout?Mainlybecauseprivatecompanieshavehadlittleincentivetopursueit.Tocreateasingledoseoffluvaccine,amanufacturerhastogrowlivevirusina2-week-oldfertilizedchickenegg,thencracktheegg,harvestthevirusandextracttheproteinsusedtoprovokeanimmunere-sponse.Profitmarginsarenarrow,demandisfickleand,becauseeachyear'sfluvirusisdifferent,anyleftovervaccinegoestowaste.Asaresult,theUnitedStatesnowhasonlytwomajorsuppliers(ChironandAventisPasteur)—andwhenoneofthemrunsintotrouble,thereisn'tmuchtheothercandoaboutit."Avaccinemakercan'tjustcallupandorder40millionmorefertilizedeggs,"saysManonCox,ofConnecticut-basedProteinSciencesCorp."There'sawholeindustrythat'sscheduledtoproduceacertainnumberofeggsatacertaintime."

Sleekertechnologiesarenowintheworks,andexpertsarehopingthatthisyear'sfiascowillspeedthepaceofinnovation.Themainchallengeistoshiftproductionfromeggsintocellcultures—amediumalreadyusedtomakemostothervaccines.Fluvaccinesareharderthanmosttoproducethisway,butseveralbiotechcompaniesarenowpursuingthisstrategy,andoneculture-basedproduct(SolvayPharmaceuticals'Invivac)hasbeenclearedformarketinginEurope.

ForAmericans,theimmediatechallengeistomakethemostofalimitedsupply.Thegovernmentestimatesthat95millionpeoplestillqualifyforshotsunderthevoluntaryrestrictionsannouncedlastweek.That'snearlytwicethenumberofdosesthatclinicswillhaveonhand,butonly60millionAmericansseekoutshotsinanormalyear.Infact,manyexpertsarehopingtheshortagewillserveasanawarenesscampaign—encouragingthepeoplewhoreallyneedaflushottogetone.

Shortagesoffluevaccineshowthat______.

A.Americareliestoomuchonforeignsuppliers

B.thedemandoffluevaccinesishighthisyear

C.qualityproblemisaseriousprobleminfluvaccineproduction

D.thesupplyoffluvaccinesisratherweakandAmericahasnoback-upmeasurestomakeitup

34.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，1,500AmericanchefshavelenttheirsupporttothePureFoodCampaignwhichcallsfortheinternationalboycottofgeneticallyengineeredfoodsuntilmoreisknownabouttheconsequencesofthetechnology