2021-2022年湖北省襄樊市公共英语五级(笔试)模拟考试(含答案)

2021-2022年湖北省襄樊市公共英语五级(笔试)模拟考试(含答案)学校:________班级:________姓名:________考号:________

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

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

听力原文：Goodmorning!

Um…AsManagingDirectorofourcompanyI'vebeenaskedtosayafewwordstoyoutodayaboutthewaythecompanyisorganized．SowhatI'vedoneistomakeasortoftable…youknow…toshowhowitisallarranged．It'sinyourbooks．Canyoufindit?

OK．Now，notallcompaniesareorganizedinthesameway，ofcourse．Theyallhavemoreorlessthesamebitsandpieces．buttheyputthemtogetherindifferentways．Infact，someManagingDirectorsarealwayschangingtheorganization，whichcanbeverydisturbingforeverybodyelseandsometimescausesawfulhold-ups．Sometimesit'snecessary，ofcourse．likewhenyoustartmakingsomethingdifferentorjoinupwithanothercompanyorsomething．Anyway，Ithinktheorganizationofmycompanyisfairlytypical，solet'stakealookathowwehaveorganizedit．

Atthetopofthescheme，aboveme，istheBoardofDirectors．Theirjobistoadministratethecompany，makegeneralpolicies，andsoon．Therearetwokindsofdirectors．actually．Onekindiswhatwecallnon-executivedirectors，whichmeansthattheyarenotfull-timeemployees．Theyarethesortofpeoplewhohavesomestandinginvariouspartsofthebusinessworldandareinapositiontohelpthecompanytosucceed．TheyonlyappearwhentherearemeetingsoftheBoard，andsomeofthemareontheboardsofothercompaniesatthesametime．Butthesecondlotofdirectors-theexecutivedirectors-arefull-timeemployeesofthecompany．Mostofthemaremanagersofourvariousdepartments．andyou'llbemeetingthemlater．

Theabsoluteheadofthecompany，ofcourse．istheChairmanoftheBoard．HeisappointedbytheBoard，andhisjobistotakethechairatmeetingsoftheshareholdersandtheBoardofDirectors，andtorepresentthecompany'sinterestsatoutsidefunctions．Hedoesnottakemuchpartintherunningofthebusiness．Heleavesmetogetonwiththejob．Mindyou，notallchairmenarelikethat．Ourlastonewasarealpain．alwayswantedeverythingdonehisownwayandhekeptoninterfering…butanyway，that'swhatthetopslotintheschemeisfor．

Thenthere'sme，theManagingDirector，orMDforshort-aslongasyoudon'tthinkI'madoctorofmedicine，haha…Um…Now，myjobistocoordinatethepoliciesdecidedbythedirectorsandseethattheyarecarriedout．Idothisthroughthevariousmanagersofdepartments-departmentalmanagers．AtthemomentI'vegotsix．andthereareslotsforthemalongthelineunderneathmeinyourscheme．Idon'tthinktheyareinanyparticularorder，sowe'llstartfromtheleftandwalkacross．Actually．they'reallgoingtocomeandtellyouabouttheirjobs．SoI'lljustsayafewwords．And…

Right．Thefirstoneis…

Thespeechismainlyabouttheorganizationofthecompany．

A.RightB.Wrong

2.Healthexpertssaythatallkindsofpeopleshoulddrinkatleastabout2litersofliquidseveryday.

A.RightB.Wrong

3.PartC

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

Younowhave1minutetoreadQuestions21-30.

听力原文：Thetenyearsofthe1960swasaperiodofprofoundchangeinmanypartsoftheworld.IntheUnitedStates,beginningwiththeCivilRightsMovementintheearly1960s,andextendingthroughtheVietnamWar,millionsofAmericansbegantochallengeestablishedauthority.Thesemovementswereinitiallypolitical.YoungAmericansdemandedthatgovernmentalpoliciesinracerelationsandinternationalrelationscorrespondtotheidealsofjusticecontainedintheDeclarationofIndependenceandtheConstitutionoftheUnitedStates.Bytheendofthedecade,however,challengestoauthoritywerecarriedfarbeyondpoliticalissuesandweredirectedatthesocialorderanddeeplyrootedculturalpatternsofthecountry.

Thegenerationthatcameofageinthe1960s,theBabyBoomgeneration,soughtchangeinalmosteveryaspectoflifeintheUnitedStates.Forexample,theyexperimentedwithcooperativeeconomicinstitutionsandcommunallivingarrangements,brokesexualtaboos,alteredtheprocessofeducation,explorednon-Westernspiritualtraditions,developedastrongrespectfortheenvironment,andtransformedpopularculture.Asawhole,thesechangesstoodforadifferentsetofculturalvaluesthatprovidedathoroughcritiqueofAmericansocietyasitexistedatthattime.Althoughmany"alternativelifestyles"wereshort-lived,culturalchangesthatbeganinthatperiodhavehadacontinuingeffectonmuchofAmericanlife,particularlyinattitudestowardmale-femalerelations.

Allculturesarecomplex.Theyareacombinationofcloselyrelatedpatternsofsocialinteraction.Asaresult,changesinanimportantaspectofaparticularculturewillusuallyproducechangesthroughoutthesociety.TheWomen'sMovementthatbeganintheUnitedStatesduringthe1960sisatypicalexampleofthisphenomenon.Fromthebeginning,theWomen'sMovementwasinfluencedbyculturalchangesthathadoccurredearlierinthedecade.TheCivilRightsMovementforracialequalityandthedevelopmentofthebirthcontrolpillwereparticularlyimportant—theCivilRightsMovementbecausewomeninvolvedintheeffortforracialjusticebegantoseethemselvesasvictimsofsocialinjustice,andthebirthcontrolpillbecauseitgavewomenreliablecontroloverreproduction.

Social,economic,andlegalequalityandreproductiverightscontinuetobethebasicprinciplesoftheWomen'sMovement.Assomeofthesegoalshavebeenachieved,majorchangeshaveoccurredinbroaderculturalpatternssuchastheeconomyandthefamily.Atthepresenttime,mostofAmericanwomenareemployed.Employmentisnolongerconfinedtosuchtraditionalfemaleoccupationsasteacher,nurse,orsecretary.Womenarenowfoundineveryoccupationandatalllevelsofresponsibilityandauthority.Participationintheeconomyhasgivenmanywomenanindependencethathasallowedthemtochoosewhether,when,andhowtoform.afamily.Workingwomenwithinfamiliesnowarepartofaneconomicpartnershipwithmeninwhichbothadultsprovidesupportforthefamilyunitandareresponsibleforthequalityoflife.

TheWomen'sMovementhasaffectedtherelationshipbetweenmenandwomeninthefamilyinotherwaysaswell.Womenhavechallengedtraditionalsexrolesinthehousehold.Menarenowexpectedtoparticipateinchild-raisinganddomesticactivitiestoamuchgreaterextentthaninthepast.Childbearingisnowamatteroffamilychoice,withwomenhavingthefinaldecisioninfamilyplanning.

Alloftheseculturalchangesarestrengthenedinboththemediaandint

4.MrMillerenjoysdoingthingswithhisownhands.

A.RightB.Wrong

5.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.RightB.Wrong

6.MostpeopleinthemountainsofEduadordrinkalotofcoffeeandalcohol,buttheystilllivelong.

A.RightB.Wrong

7.AsimplediethighinvitaminsandsugarbutlowinfatandchemicalsbenefitsthosepeopleinHunza.

A.TrueB.Fasle

8.Accordingtothetalk,onlyrealcharactersportrayedinbooksmaybecomeourfriends.

A.RightB.Wrong

9.Strokevictimssometimesrefusetoregardtheirinjuredsidesaspartsoftheirbodiesbecausetheyareunwillingtoadmittheirdisabilities.

A.TrueB.Fasle

10.Chainschoolsoftenchangetheirlocations.

A.TrueB.Fasle

11.听力原文：Iwanttotalktodayaboutsomestudies.Theyseemtoindicatethatthereisastartlingworld-widedeclineinthenumberofamphibians,suchasfrogs,toadsandsalamanders.There'slittledoubtthatonereasonwhythenumberofamphibiansisdecliningistheirhabitatshavebeendestroyedwhenthedevelopersfillinpondsandmarshestobuildhouses.Amphibianscan'tjustmovesomewhere.Theyneedwatertolaytheireggsin.Anotherproblemisthegrowingfishindustry.Anotherrangeofpopularpoolfishsuchascarphavebeenintroducedtomanylakesandpondsallovertheworld.Raisingandsellingthesefishcanbeprofitable,butthefisheattheeggsandoffspringofamphibiansthatwerealreadylivinginthelakesandponds.Otherfactorscouldbecontributingtothedeclineincludeacidrainandthespreadofpesticideresidues.Manypesticidesthatfarmersaddedtotheircropsareeventuallywashedawaybytherainandendupinpondsandotherbodiesofwaterwhereamphibianslive.Amphibiansareespeciallyvulnerabletopesticidesdissolvedinthewaterbecauseoftheirmoistskins.Watercanpassthroughamphibiansallowingtoxinsdissolvedinthewatertoentertheamphibians'body.

Whatdoesthespeakermainlydiscuss?

A.Thedistributionofdifferentspeciesofamphibians.

B.Possiblereasonsforreductioninthenumberofamphibians.

C.Theeffectsofenvironmentalchangeonthefishindustry.

D.Guidelinesfortheresponsibleuseofpesticides.

12.听力原文：Thehumannosehasgiventothelanguagesoftheworldmanyinterest-ingexpressions.Ofcourse,thisisnotsurprising.Withoutthenose,wecouldnotbreathenorsmell.Itisapartofthefacethatgivesapersonspecialcharacter.CyranodeBergeracsaidthatalargenoseshowedagreatmancourageous,courteous,manly,andintellectual.

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

Historically,man'snosehashadaprincipalroleinhisimagination.Manhasreferredtothenoseinmanywaystoexpresshisemotions.Expressionsconcerningthenoserefertohumanweakness;anger,prideJealousyandrevenge.

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.

13.Canyougiveanexampleof"fillerwords"?

14.Accordingtoanotherexplanation,wheredidthisexpressionprobablycomefrom?

A.Australia.B.Japan.C.Netherland.D.England.

15.PartC

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

Younowhave1minutetoreadQuestions21-30.

听力原文：Todaywetakeitforgrantedthatthemailwillbedelivereddailyatourdoor.Butmanyyearsagoitmighthavebeenplacedinatreetrunkorunderneatharock.Intheearlydaysofthemailnoonecouldbesureaboutwhereorwhenitwouldarrive.

AtthesoutherntipofAfricatherewasonceapostofficeunderarock.IntheolddaystheroutefromEnglandtoIndiawasaroundtheCapeofGoodHope.Thejourneywasstormyanddangerous.Ittooksixlongmonths.Sailorsoftenwishedtosendmailhome,buttheyseldommetshipsboundbacktoEngland.Soatthecapethesailorswouldgoashore.Theyheadedforacertainlargestone.Onthestonewerescratchedthewords"Lookhereunderforletters."Theywouldleavetheirlettersthere,knowingthatthenexthomeward-boundshipwouldstopandpickthemup.

TherewasanotherpostofficelikethisatthesoutherntipofSouthAmerica.Duringthegoldrushdays,boatssailedaroundCapeHorntoCalifornia.AtCapeHornwasakegnailedtoapost.Boatscomingfromtheeastcoastwouldsendasmallboatashoretothispostoffice.Theypickedupanylettersinthekeg.Atthesametimetheymailedlettershomethatboatssailingeastcouldpickup.

InthestateofWashingtonstandsthestumpofahugecedar.It,too,wasonceapostoffice.Settlersneededaplaceforthemailcarrierstoleavetheirletters.Theirhousesweresowidelyscatteredthatthemailcarriercouldnotreachallofthem,andthepostofficewasfarawayoverroughroads.Sothesettlersfoundatreethatstoodwhereseveraltrailscrossed.Theycutthetreedowntenfeetfromtheground,holloweditout,andcovereditwitharoof.Inside,theynailedarowofwoodenboxes.Eachboxwasmarkedwithafamily'sname.Themailcarriercouldleavelettersthereforeveryoneformilesaround.

ForthefirstfewyearsaftertheEnglishcolonistscametoAmerica,therewasnoregularpostalservice.Peoplegavetheirletterstoanytravelerwhohappenedtobegoingintherightdirection.Oftentheygavethemtoapeddleroratravelingshoemaker.Whenthetravelerreachedthetownwheretheletterwasgoing,hemightstopataninn.Hewouldleavethelettersthere.Buttheretheystayeduntilthepersontheywereaddressedtohappenedtocomebyandstoppedattheinn.

WhataboutplaceslikeVirginiawheretherewereveryfewinns?Peoplewhowishedtosendletterswouldleavethematoneofthelargeplantations.Theownersoftheplantationwouldthensendthelettersontoaneighbor.Theneighborwoulddothesame.Itwasaslowmailsystem.

Aftermanyyears,regularmailcarriersonhorsebackwerehired.Theywentfromonebigtowntoanother.BetweenNewYorkandBoston,forexample,therewasone"postrider"amonth.Hetraveledonlybydayandtooktwoweeksforthetrip.Oftenthepostriderleftallthemailforawholetownatacrossroadsstore.Itstilltookmanyweeksforalettertoreachthepersonitwasaddressedto.

Finally,abouttwohundredyearsago,BenjaminFranklinwasmadepostmasterforallthecolonies.Hisfirstactwastomakealongjourneytofindoutthebestroutesforcarryingthemail.Thenhesetupalineofpoststationbetweenthenorthernandsoutherncolonies.Heorderedhispostriderstotravelbynightaswellasbyday.

Franklin'spostriderscouldcarrymorelettersinashortertimefromonecolonytoanother.TheletterservicehelpedtheyoungAmericancolonieslearnmoreabouteachother.Theylearnedthattheywereallinterestedin

二、2.UseofEnglish(10题)16.(44)

17.(36)

18.

【C11】

19.(47)

20.(41)

21.(39)

22.

【C4】

23.(42)

24.(46)

25.

【C12】

三、3.ReadingComprehension(15题)26.(69)

27.

Theauthorgaveanexampleinthethirdparagraphinorderto______．

A.emphasizetheneedtoplaceastrongervalueonnationalcooperation

B.explainwhytheAmericanideahasbeenbasedonindividualfreedom

C.illustratethefactthatAmericanswillnotsacrificetheirpersonalinterestforthegoodoftheentirecountry

D.supporttheideathatAmericansneedsthespiritofnationalcooperationtoachieveimportantnationalobjectivesinthe21stcentury

28.

WhatdidtheUNcallonnationstodoaboutCO2andothergreenhousegasesin1992?

A.TosignanewclimatetreatyatRio．

B.TodraftanagreementamongUNnations．

C.ToforcetheUnitedSatestoreduceitsemissions．

D.TolimitthereleaseofCO2andothergases．

29.(68)

30.

Inpolitics,astronautsaregenerally______.

A.democratsB.republicansC.conservativesD.communists

31.

WhatisthebasisfortheAmericannotionofnationalgood?

A.Individualfreedom.

B.Personalproperty.

C.Nationalcooperation.

D.BothAandB.

32.(78)

33.

Theword"deforestation"inParagraph3means______.

A.forestdamagecausedbypollution

B.movingpopulationfromforesttocities

C.thethreatofclimatechange

D.cuttinglargeareasoftrees

34.

TheGTE'sexampleshowsthat______.

A.efficienttechnologyiscost-effective

B.manymeetingsinacompanyareunnecessary

C.manypositionslikethatofatypistcanbedoneawaywith

D.itdoesn'tcostmuchtoautomatethefacilitiesofacompany

35.(74)

36.

WhatdoesMacDonaldwarnpeoplewhentheyintendtobuylifeinsuranceproducts?

A.Itisexpensivetoinvestonlifeinsuranceproducts.

B.Someinsurancehassomespecificterms.

C.Someinsurancecompanieswillnotprovidesatisfactoryterms.

D.Peopleshouldnotuseinsurancepoliciespurelyasaninvestment.

37.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.

Asalestaxisatanleviedonpurchases.MostpeoplelivingindieUnitedStatesknowaboutsalestaxessincetheyareusedinallbutfourstates.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

38.PartB

Directions: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,headofthebiotechnologyunitattheOrganisationforEconomicCooperationandDevelopment,"Ithasgivenusafargreaterunderstandingofhowlivingsystemsworkatamolecularlevelandthereisnoreasonforpeopletothinkthatscientistsandfarmersshouldusethatknowledgetodoriskythings."

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

68.______

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

Intheshortterm,muchofthetechnologyremainsuntestedandinthelongtermtheconsequencesforhumanbiologyareunknown.Questionshavearisenoverwhethernewproteinsingen

39.

Whyarehorsesusedtocatchtheelectriceels?

A.Tofrightentheeels.

B.Toexhausttheeels.

C.Toattracttheeels.

D.Tostirthewater.

40.(70)

四、阅读理解(5题)41.

第

39

题

hasagoodreputationforwhattheydoforsomespecialpersons?__________

42.

第

28

题

wasthereligionsandpoliticalcenterofoldTibet?__________

43.

第

37

题

Whydoestheauthormentiongeneticengineeringandcomputerscience?

44.

第

33

题

Thefederalgovernmentgetsmostoftheirincomefrom__________．

45.

第

35

题

theapproachestoresearchshouldbeadjustedtothechangingsituation?__________

参考答案

1.A

2.B

3.Culturalchanges

4.A

5.A

6.A

7.B

8.B

9.B

10.A

11.B

12.B

13.Andsoon./Andsoforth

14.D

15.Intreetrunk/Underneatharock.

16