2022年甘肅省張掖市公共英語(yǔ)五級(jí)(筆試)測(cè)試卷(含答案)學(xué)校:________班級(jí):________姓名:________考號(hào):________

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

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

聽力原文：Fromgoodreadingwecanobtainpleasure，companionship，experience，andinstruction．Agoodbookmayabsorbourattentionsocompletelythatforthetimebeingweforgetoursurroundingsandevenouridentity．Readinggoodbooksisoneofthegreatestpleasuresinlife．Itincreasesourcontentmentwhenwearecheerful．a(chǎn)ndlessensourtroubleswhenwearesad．Whatevermaybeourmainpurposeinreading，ourcontactwithgoodbooksshouldneverfailtogiveusenjoymentandsatisfaction．

Withagoodbookinourhandsweneedneverbelonely．Whetherthecharactersportrayedaretakenfrom．reallifeoraretotallyimaginarytheymaybecomeourcompanionsandfriends．Inthepagesofbookswecanwalkwiththewiseandthegoodofalllandsandalltimes．Thepeoplewemeetinbooksmaydelightuseitherbecausetheyresemblehumanfriendswhomweholddearorbecausetheypresentunfamiliartypeswhomwearegladtowelcomeasnewacquaintances．OurhumanMendsSometimesmayboreus，butthefriendswemakeinbooksneedneverwearyuswiththeircompany．Byturningthepageswecandismissthemwithoutanyfearofhurtingtheirfeelings．Whenhumanfriendsdesertus．goodbooksarealwaysreadytogiveusfriendship，sympathy，andencouragement．

Oneofthemostvaluablegiftsbestowedbybooksisexperience．Fewofuscantravelfarfromhomeorhaveawiderangeofexperiences．butallofuscanleadvariedlivesthroughthepagesofbooks．Whetherwewishtoescapefromtheseeminglydullrealitiesofeverydaylifeorwhetherweexpecttovisitsomefar-offplace，abookwillhelpuswhennothingelsecan．Totravelbybookweneednobankaccounttopayourway；noairshiporoceanlinerorstream-linedtraintotransportus：nopassporttoenterthelandofourheart'sdesire．Throughbookswemaygetthethrillofhazardousadventurewithoutdanger．Wecanclimbloftymountains，bravetheperilsofanantarcticwinter，orcrossthescorchingsandsofthedesert，allwithouthardship．InbookswemayvisitthestudiosofHollywood；wemayminglewiththegaythrongsoftheParisboulevards；wemayjointhepicturesquepeasantsinanAlpinevillageorthekindlynativesonaSouthSeaisland．Indeed，throughbooksthewholeworldisoursfortheasking．Thepossibilitiesofourliteraryexperiencesarealmostunlimited．Thebeautiesofnature，theenjoymentofmusic，thetreasuresofart，thetriumphsofarchitecture，themarvelsofengineeringareallopentothewonderandenjoymentofthosewhoread．

Agoodbookmaydrawourattentionsocompletelythatweforgetoursurroundingsandevenouridentityforthetimebeing.

A.RightB.Wrong

2.PartC

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

Younowhave1minutetoreadQuestions21-30.

聽力原文：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

3.Chainsdon'tproducetheirowncoursebookmaterial.

A.RightB.Wrong

4.PartC

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

Younowhave1minutetoreadQuestions21-30.

聽力原文：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．

Alloftheseculturalchangesarestrengthenedinboththemediaandintheeducationalsystem．Childrenaregrowingupwithself-imagesandexpectationsfar

5.Accordingtothefigureoftheacademicyear1995/96,wheredothelargestnumberofforeignstudentscomefrom?

6.Whatservicemustbepaidfor?

A.Computerclasses.

B.Trainingsessions.

C.Laserprinting.

D.Packageborrowing.

7.Accordingtothespeaker,whydopesticidesposeathreattoamphibians?

A.Pesticidescancauseanamphibian'sskintodryout.

B.Pesticideskilltheinsectsthatamphibiansdependonforfood.

C.Dissolvedpesticidescaneasilyenteramphibian'sbodies.

D.Amphibiansmayeatplantsthathavebeentreatedwithpesticides.

8.Whatdoweknowaboutthedifferencebetweenmenandwomenintermsofpersonalrelationships?

A.Itiseasierforwomentomakefriendsamongwomen.

B.Womentendtorevealtheirfeelingsmoreeasily.

C.Personalrelationshipsaremorecentraltomostmen'slives.

D.It'seasiertoestablishpersonalrelationshipswithwomenthanwithmen.

9.Whatdoesthespeakerrefertheactivityofanyorganizationto?

10.聽力原文：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.

11.Wanghaslittleknowledgeofthephoneticprocessingsystem.

A.RightB.Wrong

12.PartC

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

Younowhave1minutetoreadQuestions21-30.

聽力原文：ForthoseofyouwhoareeitheralreadystudyingintheUnitedStatesorplanningtooneday,itmightbeinterestingtoknowsomethingabouttheforeignstudentpopulationintheUnitedStates.Fortheacademicyear1995/96therewasasumofapproximately344,000foreignstudentsstudyingintheUnitedStates.Thisfigureof344000mayseemlikeaverylargenumberuntilyoucompareitwiththetotalpopulationof241,000,000.Theforeignstudentpopulationhasbeengrowingforanumberofyearsandisstillgrowing,buttherateofincreasehasdroppedsharplyduringthe1990s.Duringthe1980s,thepopulationgrewquiterapidly.Forexample,between1985and1990,theaverageyearlyincreasewas12.5%.However,thepictureinthe1990sisquitedifferent.Therateofincreasehasdeclinedquitenoticeably.Infact,therateofincreasebetween1994/95and1995/96wasonly0.5%,orone-halfofonepercent.Althoughtheoverallrateofincreasehasdroppedtoonly0.5%,thenumberofstudentsfromsomepartsoftheworldisincreasingwhilethenumberofstudentsfromotherareasisdecreasing.Forexample,duringthissameperiod,thatisbetweentheacademicyears1994/95and1995/96,therewasadecreaseinthenumberofstudentsfromtheMiddleEast,whilethenumberofstudentsfromSouthandEastAsiaincreased.Thesechangesinthenumberofstudentscomingfromdifferentpartsoftheworldnodoubtreflectedchangingeconomicandpoliticalsituations.I'msureyouareawareofmanyofthesechanges,andperhapsyoucandiscussthematournextmeeting.Fortodaylet'sconfineourtalktofirst,adiscussionoftheoriginofthesestudents,or,inotherwords,wheretheycamefromsecond,thekindsofstudiestheypursue;and,finally,theacademiclevelstheyarefoundin.Ifwehavealittletimeleft,wemightquicklytalkaboutinwhichgeographicareasmostofthemgotoschool.

Let'sdiscusstheoriginsoftheforeignstudentpopulationintheUnitedStatesfortheacademicyear1995/96.Let'sdiscussitinorderfromthoseareassendingthemoststudentstothoseareassendingthefeweststudents.IfwelookatthefiguresprovidedbytheannualcensusofforeignstudentsintheUnitedStatesfortheyear1995/96,weseethatmostoftheforeignstudentsstudyingintheUnitedStatesduringthisyearwerefromSouthandEastAsia.Thisisaratherlargegeographicalareawhichincludessuchconu-triesasChina,Korea,Pakistan,India,Malaysia,andIndonesia.Thetotalnumberofstudentsfromthisarea,SouthandEastAsiawas156,830.Inotherwords,roughly2outofevery5foreignstudentscomefromSouthandEastAsia.Almost24000ofthistotalwerefromChina.Malaysiawasclosebehindwithjustalittleover23000students.ThenextlargestnumberofstudentscamefromtheMiddleEast.ThenumberofstudentsfromtheMiddleEastcametoaboutone-thirdthenumberfromSouthandEastAsia.ThefourthlargestnumbercamefromSouthAmerica.NextcameEurope,Africa,NorthAmerica,andOceania.Let'srecapitulatewhatwe'vesaid.ThelargestnumberofstudentsstudyingintheUnitedStatesduringtheacademicyear1995/96werefromSouthandEastAsia,followedbytheMiddleEast,SouthAmerica,Europe,Africa,NorthAmerica,andOceania.

Whatfieldsaretheselargenumbersofforeignstudentsstudyingin?Itprobablywon'tsurpriseyouthatthelargestnumberareinthefieldofengineering.Infact,21.7%ofthetotalnumberarestudyingengineering.Businessandmanagementisclosebehind,however,withatotalof18.9%.Thethirdmostpopularfieldw

13.聽力原文：Now,letmefirstgiveyouabriefintroductiontotheAmericanpoet,EmilyDickinson.EmilyDickinsonwasAmerica'sbest-knownfemalepoetandoneoftheforemostauthorsinAmericanliterature.BorninAmherst,Massachusetts,Dickinsonwasthemiddlechildofaprominentlawyerandone-termUnitedStatescongressionalrepresentative,EdwardDickinson,andhiswife,EmilyNorcrossDickinson.From1840to1847sheattendedtheAmherstAcademy,andfrom1847to1848shestudiedattheMountHolyokeFemaleSeminary(nowMountHolyokeCollege)inSouthHadley,afewtripstoBostonforeyetreatmentsintheearly1860s,DickinsonremainedinAmherst,livinginthesamehouseonMainStreetfrom1855untilherdeath.Duringherlifetime,shepublishedonlyabout10ofhernearly2,000poems,innewspapers,CivilWarjournals,andapoetryanthology.ThefirstvolumeofPoemsofEmilyDickinsonwaspublishedin1890,afterDickinson'sdeath.

AlthoughfewofDickinson'spoemswereformallypublishedduringherlifetime,sheherself"published"bysendingoutatleastone-thirdofherpoemsinthemorethan1,000lettersshewrotetoatleast100differentcorrespondents.Dickinson'smethodofbindingabout800.ofherpoemsinto40manuscript.booksanddistributingseveralhundredoftheminlettersisnowwidelyrecognizedasherparticularform.ofself-publication.Shealsoreadherpoemsaloudtoseveralpeople,includinghercousinsLouiseandFrancesNorcross,overaperiodofthreedecades.

Well,that'sallaboutherlife.Nowshallweconcentrateonherfamouspoem,"SuccessisCountedSweetest".

InwhichstatewasEmilyDicksonborn?

A.Michigan.B.Ohio.C.Massachusetts.D.Washington.

14.Allchainscanofferstudentsthesametypeofcourseindifferentplaces.

A.TrueB.Fasle

15.Whyarestudentsenthusiasticforpositionsinstudentorganizations?

A.Becausetheyhatetheconstantpressureandstrainoftheirstudy.

B.Becausetheywillthenbeabletostaylongerintheuniversity.

C.Becausesuchpositionshelpthemhuntbetterjobs.

D.Becausesuchpositionsareusuallywellpaid.

二、2.UseofEnglish(10題)16.(45)

17.(35)

18.(47)

19.(49)

20.Impatiencecharacterizesyoungintellectualworkers.Theywanttomaketheirmark【31】______.Soit'simportanttoget【32】______totheminachallengingmannertheidea【33】______bigachievementsrarelycomeeasilyandquickly.Pointoutthatthelittlesuccessesareessential.Showthatthey【34】______turnbecomethefoundationon【35】______reputationsarebuiltandfromwhichmoreimportanttaskscanbeaccomphished.

Avarietyofjobassignments,includingjoborprojectrotation,alsokeepajob【36】______becomingdull.

Whereasit'snaturalforsomeindividualstowanttomoveaheadimmediatelytomoredifficultassignments,【37】______properguidancetheycancontinuetolearnandtogainversatilitybyworkingonanumberofjobsthatareessentially【38】______thesamecomplexity.Thiswaytheygainbreadth,ifnotdepth.

Probablythegreatestoffensetoguard【39】______whendealingwithyoungerspecialistsistorejectideasoutofhand.Youmustlisten—andlistenobjectively—totheirsuggestions.Avoid【40】______overcritical.Youwanttonurtureaninquiringmindwithafreshapproach.You'llfrustrateitquicklyifyoureverttoooften【41】______"We'vetriedthatbeforeanditwon't【42】______here."

Onesurewaytodisenchant【43】______collegegraduatesisflagrantlymisusingtheirtalents.Expectthemtodosomeroutinework,ofcourse.Butdon'tmaketheir【44】______workjustonelongseriesoferrands.Thisincludessuchbreak-inassignments【45】______performingroutinecalculations,diggingup【46】______material,【47】______operatingreproductionequipment.Onelargemanufacturingcompanyrecentlyinterviewedanumberof【48】______engineerswhohadleftthem.Thecompanyfoundthattheoverwhelmingcomplaintwasthatthecompanynotonlydidnotofferworkthat【49】______challengingbutalsoexpected【50】______toolittlefromtheminthewayofperformance.

(31)

21.

【C4】

22.(36)

23.Themostobviouspurposeofadvertisingistoinform.theconsumerofavailableproductsorservices．Thesecond【C1】______istoselltheproduct．Thesecondpurposemightbemoreimportanttothemanufacturersthanthe【C2】______．Themanufacturersgobeyondonlytellingconsumersabouttheirproducts．Theyalsotrytopersuadecustomerstobuythe【C3】______bycreatingadesire【C4】______it．Becauseofadvertisement，consumersthinkthattheywantsomethingthattheydonotneed．Afterbuyingsomething，thepurchasercannotalwaysexplainwhyitwas【C5】______．

Even【C6】______thepurchaserprobablydoesnotknowwhyheorsheboughtsomething，themanufacturers【C7】______．Manufacturershaveanalyzedthebusinessof【C8】______andbuying．Theyknowallthedifferentmotivesthatinfluenceaconsumer'spurchase—somerationaland【C9】______emotional．Furthermore，they

takeadvantageofthis【C10】______.

Why【C11】______somanyproductsdisplayedatthecheckoutcountersingrocerystores?Thestoremanagementhassomegood【C12】______.Bythetimethecustomeris【C13】______topayforapurchase,heorshehasalreadymaderational.thought-outdecisions【C14】______whatheorsheneedsandwantstobuy.The【C15】______

feelsthatheorshehasdoneagoodjobofchoosingtheitems.Theshopperisespeciallyvulnerableatthispoint.The【C16】______ofcandy,chewinggum,andmagazinesareveryattractive.Theypersuadethepurchasertobuysomethingforemotional,not【C17】______motives.Forexample,thecustomerneitherneedsnorplanstobuycandy.butwhilethecustomerisstanding,waitingtopaymoney,heorshemaysuddenlydecidetobuy【C18】______

Thisisexactly【C19】______thestoreandthemanufacturerhopethatthecustomerwill【C20】______

Thecustomerfollowshisorherplan.

【C1】

24.

【C9】

25.(41)

三、3.ReadingComprehension(15題)26.(72)

27.

Inthethirdparagraph,Dr.Laraghimpliesthat______.

A.peopleshouldnotbeafraidoftakingexcessivesalt

B.doctorsshouldnotadvisepeopletoavoidsalt

C.anadequatetoexcessivesaltintakeisrecommendedforpeopleindisease

D.excessivesaltintakehasclaimedsomevictimsinthegeneralpopulation

28.

______isacombinationofarchitecturalstylesfromHan,TibetanandNepalese?

29.

AccordingtoJackMaple,tocutcrime______.

A.theheadsofpolicedepartmentshouldmakemorecontactwiththecriminals

B.thegovernmentshouldeducatetheresidentsmore

C.acomputersystemcalledComstatshouldbeadoptedbythepolice

D.thecriminalsshouldbeseverelypunished

30.

Whycouldnotceramicsbeusedwidelyinthepast?

A.Becauseoftheirbrittleness.

B.Becausepeopledidn'tknowhowtousethem.

C.Becausetheywerenotuseful.

D.Becausetheycouldnotresistheat.

31.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,harvestthevirusandextracttheproteinsusedtoprovokeanimmuneresponse.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.Americarelies