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2022-2023年河南省新鄉(xiāng)市公共英語五級(筆試)模擬考試(含答案)學校:________班級:________姓名:________考號:________
一、1.ListeningComprehension(15題)1.Strokevictimssometimesrefusetoregardtheirinjuredsidesaspartsoftheirbodiesbecausetheyareunwillingtoadmittheirdisabilities.
A.RightB.Wrong
2.聽力原文:Thehumannosehasgiventothelanguagesoftheworldmanyinterestingexpressions.Ofcourse,thisisnotsurprising.Withoutthenose,wecouldnotbreathenorsmell.Itisapartofthefacethatgivesapersonspecialcharacter.CyranodeBergeracsaidthatalargenoseshowedagreatmancourageous,courteous,manly,andintellectual.
Afamouswomanpoetwishedthatshehadtwonosestosmellarose!BlaisePascal,aFrenchphilosopher,madeaninterestingcommentaboutCleopatra'snose.Ifithadbeenshorter,hesaid,itwouldhavechangedthewholefaceoftheworld!
Historically,man'snosehashadaprincipalroleinhisimagination.Manhasreferredtothenoseinmanywaystoexpresshisemotions.Expressionsconcerningthenoserefertohumanweakness:anger,pride,jealousyandrevenge.
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.
3.聽力原文:Todayit'smyturntogivetheweeklyoralpresentation,andthetopicthatProfessorMayhadassignedtomeis“thelifeofthepoet,EmilyDickinson”.ComparedwithWaltWhitmanwhomwediscussedlastweek.IfoundEmilyDickinsonstrikinglydifferent.SheseemedinfacttobethecompleteoppositeofWhitmaninherlifeandinherwork.Iwouldliketosharebrieflywiththeclasssomeoftheessentialfactsofherbiography.EmilyDickinsonwasbornin1830inAmherst,Mass,barelyadecadeafterWhitman.Inherearly20'sforreasonswhichstillremainamysteryshebegantowithdrawfromherordinarycontactwiththeworld.Fortheremaining30yearsofherlifeshewasseldomseenoutsideherhome.InthisrespectshewasquiteunlikeWhitmanwholovedthegreatoutdoors.EmilyDickinsonspenthersolitarydayscorrespondingwithherfriendsandwritinghundredsofremarkablepoems,notably“Iheardaflybuzz”andthepoemwehavereadfortoday“I'mnobody”.Althoughsheshowednoneofherpoemstoherfamilyandsentsomeofherletterstofriends.onlyfourwerepublishedinherlifetime.Mostofthem,almost1,200poemswerediscoveredinherroomaftershediedin1886attheageof56.Thesepoemshaveestablishedherasamajorpoet,andseveralmoderncriticsconsiderherthegreateStwomanpoetintheEnglishlanguage.Eh,that'saboutallIhave.Isthereanyquestion?Ifnot,weshouldprobablybegintalkingaboutDickinson's“I'mnobody”,thepoemProfessorMayassignedforthisweek'sclassdiscussion.
Whoisthespeaker?
A.Apoet.B.Ateacher.C.Astudent.D.Anartist.
4.聽力原文:Normallyastudentmustparticipateinacertainnumberofcoursesinordertograduate,andeachcoursewhichheattendsgiveshimacreditwhichhemaycounttowardsadegree.InmanyAmericanuniversitiesthetotalworkforadegreeismadeupofthirty-sixcourseseachlastingforonesemester.Atypicalcourseconsistsofthreeclassesperweekforfifteenweeks;whileattendingauniversityastudentwillprobablyattendfourorfivecoursesduringeachsemester.Normallyastudentwouldexpecttotakefouryearsattendingtwosemesterseachyear.Itispossibletospreadtheperiodofworkforthedegreeoveralongerperiod.Itisalsopossibleforastudenttomovebetweenoneuniversityandanotherduringhisdegreecourse,thoughthisisnotinfactdoneasaregularpractice.
Foreverycoursethathefollowsastudentisgivenagrade.whichisrecorded,andtherecordisavailableforthestudenttoshowtoprospectiveemployers.Allthisimposesaconstantpressureandstrainofwork,butinspiteofthissomestudentsstillfindtimeforgreatactivityinstudentaffairs.Electionstopositionsinstudentorganizationsarousemuchenthusiasm.Theeffectiveworkofmaintainingdisciplineisusuallyperformedbystudentswhoadvisetheacademicauthorities.Anystudentwhoisthoughttohavebrokentherules,forexample,bycheatinghastoappearbeforeastudentcourt.Withtheenormousnumbersofstudents,theoperationofthesystemdoesincludeacertainamountofactivity.Astudentwhohasheldoneofthesepositionsofauthorityismuchrespectedanditwillbeofbenefittohimlaterinhiscareer.
What'sthemainobjectiveofastudentwhoattendsacertainnumberofcourses?
A.Tograduateandobtainadegree.
B.Tolearnsomethingheisinterestedin.
C.Toavoidworking.
D.Toobeyhisparents'order.
5.Ifyoupokeyourtongueintoaholeofyourteeth,itfeelsverytinyandslim.
A.TrueB.Fasle
6.WhendidthisexpressioncomeintotheAmericanLanguage?
A.SometimeaftertheCivilWar.
B.DuringtheSecondWorldWar.
C.WhenpresidentGeorgeBushwasinoffice.
D.DuringtheperiodofIndependenceWar.
7.WhyareAmericanstudentsusuallyunderpressureofwork?
A.Becausetheiracademicperformancewillaffecttheirfuturecareerinthefuture.
B.Becausetheyareheavilyinvolvedinstudentaffairs.
C.Becausetheyhavetoobservetheuniversitydiscipline.
D.Becausetheywanttorunforpositionsofauthority.
8.Peoplelikethechangesintheorganizationofthecompany.
A.RightB.Wrong
9.Calories,naturalfood,mountainsandthedistancefrommoderncitiesaretheonlycommonthingsinthethreeregions.
A.TrueB.Fasle
10.Youcanfindyournoseinthedarknessbecauseofyour"feltimage".
A.TrueB.Fasle
11.Thepast-orientedpeopletendtolookattheworldina______.
12.Thespeakerwillintroducesixdepartmentalmanagersonebyone.
A.TrueB.Fasle
13.PartA
Directions:Youwillhearatalk.Asyoulisten,answerQuestions1-10bycirclingTRUEorFALSE.YouwillhearthetalkONLYONCE.Younowhave1minutetoreadQuestions1-10.
聽力原文:Hello,everyone.TodayIwillintroduceyouthelearningchainsinBritain.Herethechainsrefertoschoolslinkedtogetheraspartofagroup.Theycanofferstudentsmanypracticaladvantages.
Whenpeopleareaskedtonamealanguageschool,moreoftenthannot,theythinkofoneofthelargeinternationalchainsofschools.Somearevastlanguageteachingorganizationswithschoolsinmanydifferentcountriesandmayteachjustonelanguage.
Oneofthemainstrengthsofthesechainsisthefactthattheirnameisfamiliartopeopleallovertheworld.Thiscanbeabigadvantageintheconfusingworldoflanguagelearning.Moststudentsarebewilderedbymelargechoiceofschoolsandcoursesonoffer,bothathomeandabroad,andsomanyprefertochooseaschoolwhichhasafamiliarnameandanestablishedreputation.Chainschoolsknowthis,andpartoftheirsuccessisduetoeffectivemarketingandadvertising,whichhelpstokeeptheirnamewell-known.
Butchainschoolsshouldnotbedismissedbyseriousstudentsjustbecausetheyuseclevermarketingtechniques.Theyhaveotherimportantstrengthenswhichcanprovideadvantagestostudents.Aschoolisonlyasgoodasitsteachersandfacilities,andmanychainsofferveryhighstandardsinboth.Morechainsrequirethattheirteachershaveinternationallyrecognizedqualificationsandamaximumamountofteachingexperience.Itisimportantforchainstomaintainthesestandardsatallschools,becausethereputationofthewholechaincanbeaffectedifoneschoolperformsbadly.
Studentsalsobenefitfromthestandardizedstructureofchains.Mostchainsusethesametextbooksinalltheirschools,andoftentheyproducetheirowncourseworkmaterials.Theyalsoorganizetheircoursesinmesamewaywhichmeansthatstartingdatesandcourselengthsareusuallythesameatallschools.
Forstudents,oneofthemainadvantagesofthisstandardizedstructureissimplicity.IfyoucannotdecidewhethertostudyintheU.S.orBritain,forexample,mostchainsallowstudentstostarttheirlanguagecourseatoneschoolandcontinueatanother,sotheycanexperiencedifferentregionsordifferentcountries,aspartofthesamestudytrip.
Chainschoolstendtobelargerthansinglecenterschools,whichcanalsohaveadvantagesforstudents.Withlargernumbersofstudents,schooladministratorscanachieveabettermixtureofnationalitiesinclassrooms.Thismeansthatstudentscanavoidbeingwithotherstudentswhospeaktheirlanguage.Thisgivesthemthechancetomeetstudentsfromothercountries,andtopracticetheirEnglishwiththem.
Somechainsofferstudentsaverysimplebookingandenrolmentprocedurewhichisalsouseful.Applicationformsandenrolmentproceduresarethesameforallschools,sostudentsneedonlysupplytheirdetailsonce.
Studentsmayfindthattheycanbooktheircourseabroadthrougharepresentativeofachainschoolintheirowntownorcity.Otherchainsofferacentralizedbookingfacility,sostudentsonlyhavetocontactonecentertomakeabookinganywhereintheworld.
Chainschoolsoftenoperateindifferentlocations,whereasasingleschoolislikelytobebasedpermanentlyinonebuilding.Manychainschoolsoperatetemporaryschools,particularlyduringthesummerholidays.InBritain,theyoftenusesecondaryschoolpremiseswhichareemptyduringtheschoolholidays.
StudyingEnglishinanEnglish-speakingcountryisthemosteffectivewaytolearnthelanguage,butformanystudentsthisisonlyonestageoftheirlearningcareer.Moststudentsstartlearning
A.TrueB.Fasle
14.Whatwouldhappentoastudentifhisemployerreportshisimproperbehavior?
A.Hewouldbefired.
B.Hewouldnotgethispay.
C.Hewouldnotgetanotherjob.
D.Hewouldbefined.
15.Waterisasimportantasvitamins,mineralsandproteinsforlife.
A.RightB.Wrong
二、2.UseofEnglish(10題)16.(33)
17.(50)
18.(44)
19.
【C10】
20.(34)
21.
【C5】
22.
【C8】
23.(38)
24.
【C9】
25.(48)
三、3.ReadingComprehension(15題)26.
WhatdoestheauthorsayabouttheordinarypeopleintheThirdWorldcountries?
A.Theyarebeginningtorealizetheimportanceofenvironmentalprotection.
B.Theybelievethatmanychildrenarenecessaryforprosperity.
C.Theyarereluctanttoacceptadvicefromthegovernment.
D.Theythinkthatearningalivingismoreimportantthannatureconservation.
27.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
28.
Accordingtothefirstparagraphofthepassage,theauthorconsiderswhichofthefollowingtobemosthelpfulindeterminingthevalueofspecialprotectivelaborlegislationforwomen?
A.Acomparativestudyofpatternsofwork-relatedillnessesinstatesthathadsuchlawsandinstatesthatdidnot.
B.Anestimateofhowmanywomenworkersareinfavorofsuchlaws.
C.Ananalysisofthecosttoemployersofcomplyingwithsuchlaws.
D.Anexaminationoftheactualeffectsthatsuchlawshavehadinthepastonwomenworkers.
29.(69)
30.
Fromthelastparagraphwecaninferthat______.
A.thegovernmenthopestosolvetheproblembywayofvolunteerrestrictions
B.morethan47millionAmericanswhoarequalifiedtogetfluvaccineshotscannotgetthemthisyear
C.Americahastodealwithalimitedsupplyoffluvaccinesthisyear
D.normallyonlyasmallpercentageofAmericanpopulationgetsfluvaccineshotseachyear
31.
Theword"tarnish"(line4,paragraph4)mostprobablymeans______.
A.affectB.warnC.troubleD.stain
32.PartC
Directions:Answerquestions71-80byreferringtothefollowinggames.
Note:AnswereachquestionbychoosingA,BorCandmarkitonANSWERSHEET1.Somechoicesmayberequiredmorethanonce.
Whichschool...
isnotforboys?71.______
haswonthenationalaward?72.______
ownsmostfull-timefacultymemberswhoholdaPh.D.orterminaldegreeintheirfield?
73.______
hasagoodreputationforwhattheydoforsomespecialpersons?74.______
hasalimitintheageforthosewhowillliveoncampus?75.______
putemphasisondevelopingstudentsverbaltalents?76.______
doesnotofferanyscholarships?77.______
providesstudentswithvocationaltraining?78.______
combinesliberalartswithprofessionalstudiesandpromotesservicetoothers?79.______
appliesadvanceddevicestoteaching?80.______
A
EllesmereCollegeisoneofthefastest-growingindependentschoolsinthecountryoverthepasttwoyears,withpupils'numberrisingbyalmost20%.Thegrowthhasledtoa$1millioninvestmentprogramin1999andthebuildingofanewlowerschoolforboysandgirlsagedninetothirteen.Thenewlowerschoolwillbethelargestsinglebuildingprojectatthecollegesinceitsfoundationin1884.
Intheseniorschool,two-thirdsofthepupilsareboarders,andboardingisavailablefromtheageof11.Thesixthform.isstrongwithover120pupils;thereisanexceptionallywide-rangeofA-levelsubjectsonofferandtheCollegehaspioneeredtheuseofvideoconferencingtechnologyasawayofimprovingitscurriculum.MicrosoftOfficequalificationsarealsoavailableinthesixthform.
TheCollegeissetinextensivegroundsinthebeautifulNorthShropshireLakeDistrict.Facilitiesareexcellentandvarious,andincludemanysportsfields,sixall-weathertenniscourts,indoorandoutdoorshootingranges,anine-holegolfcourseandapurpose-builttheater.TheCollegesailingclubhasboatswithinwalkingdistanceonWhitemere.
ThemajorityofthedaypupilsattheCollegeenjoytheCollegebusservicewhichcoversaverywidearea.BoardingthroughouttheSchoolhasbenefitedfromarecentmultimillionpoundrefurbishmentwhichhasdoneawaywithdormitoriesinfavorofmodern,comfortablerooms,thelargestsleepingsix,butmostsleepingtwoorone.
Academicstandardsarehighforaschoolwithabroadentryrange.Manyscholarshipsareawardedacrossarangeoftalents,buttheemphasisofanEllesmereeducationisfirmlyonbreadthwitheachpupilachievinghisorherfullpotential,whateverthatmaybe.Recentpupilsuccessesrangefrominternationalhonorsinshooting,fencingandcanoeingtoarecentleaver'selection—afteronlyoneyearasanundergraduate—toanExhibitioninchemistryatJesusCollege,Oxford.TheCollegehasanationalreputationforthequalityofitsdyslexiaprovision.
B
Thechoiceoftherightschoolforyoursonordaughterisimportant.Forover100yearsEdgehillCollegehasproudlypreparedindependently-mindedyoungpeopletotaketheirplaceinaworldofrapidlyadvancingtechnology.
Thefoundationsofasoundeducationarelaiddownearlyinlife.Edgehilldoesthiswithinthefriendlywallsofitsprepscho
33.Women'smindsworkdifferentlyfrommen's.Atleast,thatiswhatmostmenareconvincedof.Psychologistsviewthesubjecteitherasamatterorfrustrationorajoke.Nowthebiologistshavemovedintothisminefield,andsomeofthemhavefoundthattherearerealdifferencesbetweenthebrainsofmenandwomen.Butbeingdifferent,theypointouthurriedly,isnotthesameasbeingbetterorworse.
Thereis,however,adefinitestructuralvariationbetweenthemaleandfemalebrain.Thedifferenceisinapartofthebrainthatisusedinthemostcomplexintellectualprocesses—thelinkbetweenthetwohalvesofthebrain.
Thetwohalvesarelinkedbyatrunklineofbetween200and300millionnerves,thecorpuscallosum.Scientistshavefoundquiterecentlythatthecorpuscallosuminwomenisalwayslargerandprobablyricherinnervefibersthanitisinmen.Thisisthefirsttimethatastructuraldifferencehasbeenfoundbetweenthebrainsofwomenandmenanditmusthavesomesignificance.Thequestionis"What?",and,ifthisdifferenceexists,arethereothers?Re-searchshowsthatpresent-daywomenthinkdifferentlyandbehavedifferentlyfrommen.Aresomeofthesedifferencesbiologicalandinborn,aresultofevolution?Wetendtothinkthatistheinfluenceofsocietythatproducesthesedifferences.Butcouldwebewrong?
Researchshowedthatthesetwohalvesofthebrainhaddifferentfunctions,andthatthecorpuscallosumenabledthemtoworktogether.Formostpeople,thelefthalfisusedforwordhanding,analyticalandlogicalactivities;therighthalfworksonpictures,patternsandforms.Weneedbothhalvesworkingtogether.Andthebettertheconnections,themoreharmoniouslythetwohalveswork.And,accordingtoresearchfindings,womenhavethebetterconnections.
Butitisn'tallthateasytoexplaintheactualdifferencesbetweenskillsofmenandwomenonthisbasis.Inschoolsthroughouttheworldgirlstendtobebetterthanboysat"languagesubjects"andboysbetteratmathsandphysics.Ifthesedifferencescorrespondwiththedifferencesinthehemispherictrunkline,thereisanunalterabledistinctionbetweenthesexes.
Weshan'tknowforawhile,partlybecausewedon'tknowofanypreciserelationshipbetweenabilitiesinschoolsubjectandthefunctioningofthetwohalvesofthebrain,andwecannotunderstandhowthetwohalvesinter-actviathecorpuscallosum.Butthisstrikingdifferencemusthavesomeeffectand,becausethedifferenceisinthepartsofthebraininvolvedinintellect,weshouldbelookingfordifferencesinintellectualprocessing.
WhichofthefollowingstatementsisCORRECT?
A.Biologistsareconductingresearchwherepsychologistshavegivenup.
B.Braindifferencespointtosuperiorityofonesexovertheother.
C.Resultsofscientificresearchfailtosupportpopularbelief.
D.Thestructuraldifferenceinthebrainbetweenthesexeshaslongbeenknown.
34.
WhatdoestheauthorthinkofBotticelli'srepresentationskills?
A.Theyaretobefullyappreciated.
B.Theyevolvefromanuncertainsource.
C.Theyunderliehispersonality.
D.Theyconform.totheclassicalstyle.
35.
Thearticleconcludesthat______.
A.thecreationofjobsforallisanimpossibility
B.oureffortsandresourcesintermsoftacklingunemploymentareinsufficient
C.peopleshouldbeginsupportingthemselvesbylearningapracticalskill
D.weshouldhelpthosewhosejobsareonlypart-time
36.
Ed'sencounterwiththerecyclingteamshowsthat______.
A.Edwasdesperatetocorrecthismistake.
B.EdonlywantedtogivemoneytoRaoul.
C.Edwasunwillingtotipthetruckdriver.
D.Ednolongerwantedtogivethemmoney.
37.(68)
38.(72)
39.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
40.
Theenclosuresofthe17thand18thcenturiesmeantthat______.
A.peoplewerenolongerlegallyentitledtoownland
B.peo
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