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OneGoodReasontoLetSmallpoxLive It’’snowafairbetthatwewillneverseethetotalextinctionofthesmallpoxvirus.Theideawastocapthegloriousachievementof1980whensmallpoxwaseradicatedinthewildbydestroyingthekillervirusinthelasttwolabsthataresupposedtohaveit—oneintheUSandoneinRussia.Ifsmallpoxhadtrulygonefromtheplanetwhatpointwasthereinkeepingthesereserves? 【51】realityofcourseitwasnaiveto【52】thateveryonewouldlet【53】ofsuchapotentpotentialweapon.Undoubtedlyseveralnationsstillhave【54】vials.【55】thelastofficialstocksoflivevirusbredmistrustoftheUSandRussia【56】noobviousgain. NowAmericanresearchershave【57】ananimalmodelofthehumandiseaseopeningthe【58】fortestsonnewtreatmentsandvaccines.Soonceagainthere’’sagoodreasonto【59】thevirus—justin【60】thediseaseputsinareappearance. Howdowe【61】withthemistrustoftheUSandRussia?【62】.Keepthevirus【63】internationalauspicesinawell-guardedUNlaboratorythat’’sopentoallcountries.TheUSwillobjectofcoursejustasitrejectsamultilateralapproachtojustabouteverything.Butitdoesn’’t【64】theideaiswrong.Ifthevirus【65】usefulthenlet’’smakeittheservantofallhumanity——notjustapartofit. smallpoxn.天花 vialn.小瓶 auspicesn.赞助支持 capvt.结束覆盖 potentadj.有效力的强有力的 mistrustn.不信任怀疑
OldMothers’ChildrenHaveHigherDiabetes糖尿病Risk Childrenofoldermothersrunahigherriskofdevelopinginsulin-dependent胰岛素依赖型的diabetestheBritishMedicalJournalsaid.Astrongassociationwasfoundbetweenincreasingmaternal母亲的ageatdeliveryandriskofinsulin-dependentdiabetesinthechild.RiskwashighestinfirstbornchildrenanddecreasedprogressivelywithhigherbirthorderProfessorEdwinGaleandcolleaguesatSouthmeadHospitalinBristolsaid.Diabetesisaseriousincurablelifelongdiseasecharacterized以......作为特性byallinabilitytocontroltheamountofsugarintheblood.Insulin-dependentdiabeteswhichmainlyaffectschildrenistreatedbyadministeringthehormoneinsulin.Galelookedinto1375familiesintheOxfordareawhereoneormorechildrenhaddiabetesandfoundthattheriskofachilddevelopinginsulin-dependentdiabetesincreasedby25percentforeachfive-yearbandofthemothersage. Theriskofdevelopingdiabeteswasalsolinkedtotheageofthefather.Foreveryfive-yearbandofthefather’’sagetheriskofthechilddevelopingdiabetesincreasedbyninepercent.Theriskofdiabeteswashigh?estamongthefirstbornchildrenofmotherswhostartedtheirfamilieslateandtheriskdecreasedbyabout15percentforeachsubsequentchildtheBMJsaid.Theolderthemothertheearlierthestartofinsulin-dependentdiabetesinthechild.Otherstudieshavealreadyshownthatchildrenborntooldermothersovertheageof35haveanincreasedriskofdiabetesbutthisstudyisthefirsttoestablishthatriskincreasescontinuouslyinrelationtoincreasingmaternalageDr.PollyBingleyofSouthmeadHospitaltoldReuters路透社.Thenewstudyisthefirsttoshowthatriskisrelatedtobirthorder. Thestudyalsopartlyexplainsincreasingdiabetes.Between1970and1996theproportionofchildrenborntomothersagedbetween30and34increasedto28percentfrom15percentandthiscouldaccountforrisingnumbersofchildhooddiabetespatientsthescientistssaidinthealarmingincreaseintherateofinsulin-dependentdiabetesamongchildreninrecentyears.Thisstudymaywellprovideacluetotheunderstandingofthisproblem.ItismostlikelythatthereareanumberoffactorstoexplaintheincreaseDiabetesUKsaid.Therearesome1.4milliondiagnoseddiabetessufferersinBritainthecharityDiabetesUKsaid.Ofthese1.4millionsufferersthereare20000peopleunderage20whosufferfrominsulin-dependentdiabetes. Accordingtothepassagetheriskofachilddevelopinginsulin-dependentdiabetesislinkedtoallthefollowingfactorsEXCEPT______.
{{*HTML*}}? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第2～5段每段选择1个正确的小标题2第27～30题要求从所给的6个选项中选择4个正确选项分别完成每个句子 {{B}}?????????? ?????????? ?Aspirin--aNewMiracleDrug{{/B}}??1.Usingaspirinan over-the-counterpillonsaleineverysupermarketwithoutaprescriptionto treatseriouscirculatorydiseasemayseemalmostlikequackery.Buttoday doctorsrecognizethisdrugasapotentcompoundasimportantasantibiotics digitalisandothermiracledrugs.??2.Initsnaturalformas willowbarkandleavesthisremarkableremedydatesbacktoHippocrates2.In 1829thechemicalinthewillowtreethatcanrelievepainandreducefeverwas discoveredtobesalicin.By1899theBayerCompanyinGermanyhadmarketeda variantacetylsalicylicacidunderthenameofaspirin.??3. Sincethenaspirinandcompoundscontainingaspirinhavebeentakenbytensof millionsofarthritispatients.Asapainkilleraspirinisaccordingtoone studymoreeffectivethanallotheranalgesicsandnarcoticsavailablefororal use.Italsoactson4thebody’sthermostatturningdownfever.? ?4.Butsomeofitspowersremainedunsuspecteduntilrecently.In1950the lateDr.Cravenwrotetoasmallwesternmedicaljournalabout400overweight sedentarymalepatientstowhomhehadgivenoneortwoaspirintabletsaday. Nonehadhadaheartattack.Heenlargedhisgroupto8000andin1956 reported:Notasinglecaseofdetectablecoronaryorcerebralthrombosisand nomajorstrokehadoccurredinpatientswhohadtakenoneortwotablets dailyforfromonetotenyears.Buthisobservationswerelargely ignored.??5.ThenDr.Vaneprovedthataspirinturnedoffthe body’sprostaglandinshormonelikechemicalsthatcanbesecretedbyeverycell. Somepotentprostaglandinsareharmfulcompoundsthatcreatefeverpainand arthritis.Oneofthemstimulatesplateletsinthebloodtobeginformingclots insidearteries.Aspirinblocksthisdangerouseffect.??6.Vane’s findingcausedsomeresearcherstorecallCraven’s1956observationswhichnow hadapossiblescientificexplanation.Numerousstudieswerebeguntofindout whetheraspirincouldindeedinhibitheartattacksandstroke.? ?7.In1972tenUSmedicalinstitutionsbegantwodouble-blindtrialsof 303patientswhosufferedfromtransientischemicattacksTIAs.Fouraspirin tabletsadayweregivento153patientswhileplacebotabletsweregivento 150.Neitherpatientsnordoctorsknewwhichwaswhich.Aftersixmonthsthe patientsonaspirinhadexperiencedmuchfewerTIAsandfewerstrokesand deathsfromstrokesthanthecontrols.Theresultsweresoconclusivethat aspirinhasbeenusedforthispurposewidely.Paragraph3______
{{*HTML*}}??阅读下面这篇短文短文后列出7个句子请根据短文的内容对每个句子做出判断 {{B}}??????? ??????????? ???ContinuingMedicalEducation{{/B}}??Thereis increasingrecognitionoftheneedforhealthworkerstocontinuetheir educationthroughouttheircareers.Notonlydohealthworkersthemselveswish toimprovetheirownskillsandcompetencebuttheintroductionofnew techniquesandequipmentandthechangestakingplaceinhealthneedsandhealth carepoliciesnecessitatecontinuedtraining.Thephrasehealthcareis intendedtomeannotjustcurativetreatmentforthesickbutthewholerangeof provisionforpromotinghealthandpreventingdisease.??In virtuallyeverysituationsomeresponsetothisneedhasbeenmadeso continuingeducationdoestakeplace--eventhoughitmayinmanyinstancesbe ineffectiveorinsufficient.Continuingeducationmaybeinitiatedbythehealth workersthemselvesbytheirsupervisorsbythemanagersofthehealthsystem orbyotheragenciessuchasprofessionalassociationspublishersanddrug companies.Theformofthecontinuingeducationmaybewrittenmaterials journalsbooksadvertisementsmeetingscoursessupervisoryvisitsora varietyofothermethods.??Withthisdiversityofapproachitis notsurprisingthattheeffectivenessofcontinuingeducationshouldbe variable.4Soitisnaturalthatinmanycountriesthereisconcernthatmore continuingeducationshouldbeprovidedandthatitshouldbemore effective.??Theapproachsuggestedthattoachievethisaimis todevelopasystemofcontinuingeducation.Thistermneedssomeexplanation asitiscapableofbeinginterpretedinmanyways.Asystemisnotthesame thingasanorganizationthatprovidescontinuingeducation.Itismuchmore thanthat.Itisthesumoftheeducationalactivitiestheorganizational structurethatsupportsandmanagesthoseactivitiesthemanagementandthe externalagenciesinvolvedintheprovisionofhealthcare.sThesystemshould compriseanationwidecoordinatedprograminwhichtechnologyandresourcesare optimallyused.Asystemofcontinuingeducationfunctionsinthesamewaywasanorganizationthatprovidescontinuingeducation.
AdaptationofLivingThings Certainanimalsandplantsdevelopcharacteristicsthathelpthemcopewiththeirenvironmentbetterthanothersoftheirkind.Thisnaturalbiologicalprocessiscalledadaptation.Amongthesuperiorcharacteristicsdevelopedthroughadaptationarethosethatmayhelpingettingfoodorshelterinprovidingprotectionandinproducingandprotectingtheyoung.Thatresultsintheevolutionofmoreandmoreorganismsthatarebetterfittedtotheirenvironments. Eachlivingthingisadaptedtoitswayoflifeinageneralwaybuteachisadaptedespeciallytoitsowndistinctclass.Aplantforexampledependsuponitsrootstofixitselffirmlyandtoabsorbwaterandinorganicchemicals.Itdependsuponitsgreenleavesforusingthesun’’senergytomakefoodfrominorganicchemicals.Thesearegeneraladaptationscommontomostplants.Inadditiontherearespecialadaptationsthatonlycertainkindsofplantshave. Manyanimalshaveadaptationsthathelpthemescapefromtheirenemies.Someinsectsarehiddenbytheirbodycolororshapeandmanylooklikealeaforalittlebranch.Thecoatsofdeerarecoloredtomixwiththesurroundings.Manyanimalshavetheabilitytoremaincompletelystillwhenanenemyisnear. Organismshaveagreatvarietyofwaysofadapting.Theymayadaptintheirstructurefunctionandgenetics;intheirdevelopmentandproductionoftheyoung;andinotherrespects.Anorganismmaycreateitswonenvironmentasdowarm-bloodedmammalswhichhavetheabilitytoadjustbodyheatexactlytomaintaintheiridealtemperaturedespitechangingweather.Usuallyadaptationsareanadvantagebutsometimesanorganismissowelladaptedtoaparticularenvironmentthatifconditionschangeitfindsitdifficultorimpossibletoreadapttothenewconditions. Inthefirstparagraphthewordenvironmentscouldbestbereplacedby______.
{{*HTML*}}? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第2～5段每段选择1个正确的小标题2第27～30题要求从所给的6个选项中选择4个正确选项分别完成每个句子 {{B}}?????????? ?????????? ?Aspirin--aNewMiracleDrug{{/B}}??1.Usingaspirinan over-the-counterpillonsaleineverysupermarketwithoutaprescriptionto treatseriouscirculatorydiseasemayseemalmostlikequackery.Buttoday doctorsrecognizethisdrugasapotentcompoundasimportantasantibiotics digitalisandothermiracledrugs.??2.Initsnaturalformas willowbarkandleavesthisremarkableremedydatesbacktoHippocrates2.In 1829thechemicalinthewillowtreethatcanrelievepainandreducefeverwas discoveredtobesalicin.By1899theBayerCompanyinGermanyhadmarketeda variantacetylsalicylicacidunderthenameofaspirin.??3. Sincethenaspirinandcompoundscontainingaspirinhavebeentakenbytensof millionsofarthritispatients.Asapainkilleraspirinisaccordingtoone studymoreeffectivethanallotheranalgesicsandnarcoticsavailablefororal use.Italsoactson4thebody’sthermostatturningdownfever.? ?4.Butsomeofitspowersremainedunsuspecteduntilrecently.In1950the lateDr.Cravenwrotetoasmallwesternmedicaljournalabout400overweight sedentarymalepatientstowhomhehadgivenoneortwoaspirintabletsaday. Nonehadhadaheartattack.Heenlargedhisgroupto8000andin1956 reported:Notasinglecaseofdetectablecoronaryorcerebralthrombosisand nomajorstrokehadoccurredinpatientswhohadtakenoneortwotablets dailyforfromonetotenyears.Buthisobservationswerelargely ignored.??5.ThenDr.Vaneprovedthataspirinturnedoffthe body’sprostaglandinshormonelikechemicalsthatcanbesecretedbyeverycell. Somepotentprostaglandinsareharmfulcompoundsthatcreatefeverpainand arthritis.Oneofthemstimulatesplateletsinthebloodtobeginformingclots insidearteries.Aspirinblocksthisdangerouseffect.??6.Vane’s findingcausedsomeresearcherstorecallCraven’s1956observationswhichnow hadapossiblescientificexplanation.Numerousstudieswerebeguntofindout whetheraspirincouldindeedinhibitheartattacksandstroke.? ?7.In1972tenUSmedicalinstitutionsbegantwodouble-blindtrialsof 303patientswhosufferedfromtransientischemicattacksTIAs.Fouraspirin tabletsadayweregivento153patientswhileplacebotabletsweregivento 150.Neitherpatientsnordoctorsknewwhichwaswhich.Aftersixmonthsthe patientsonaspirinhadexperiencedmuchfewerTIAsandfewerstrokesand deathsfromstrokesthanthecontrols.Theresultsweresoconclusivethat aspirinhasbeenusedforthispurposewidely.Paragraph7______
IllinoishasproducedwriterssuchasCarlSandburg{{U}}gangsters{{/U}}suchasA1CaponeandarchitectssuchasLouisSullivan.
OneGoodReasontoLetSmallpoxLive It’’snowafairbetthatwewillneverseethetotalextinctionofthesmallpoxvirus.Theideawastocapthegloriousachievementof1980whensmallpoxwaseradicatedinthewildbydestroyingthekillervirusinthelasttwolabsthataresupposedtohaveit—oneintheUSandoneinRussia.Ifsmallpoxhadtrulygonefromtheplanetwhatpointwasthereinkeepingthesereserves? 【51】realityofcourseitwasnaiveto【52】thateveryonewouldlet【53】ofsuchapotentpotentialweapon.Undoubtedlyseveralnationsstillhave【54】vials.【55】thelastofficialstocksoflivevirusbredmistrustoftheUSandRussia【56】noobviousgain. NowAmericanresearchershave【57】ananimalmodelofthehumandiseaseopeningthe【58】fortestsonnewtreatmentsandvaccines.Soonceagainthere’’sagoodreasonto【59】thevirus—justin【60】thediseaseputsinareappearance. Howdowe【61】withthemistrustoftheUSandRussia?【62】.Keepthevirus【63】internationalauspicesinawell-guardedUNlaboratorythat’’sopentoallcountries.TheUSwillobjectofcoursejustasitrejectsamultilateralapproachtojustabouteverything.Butitdoesn’’t【64】theideaiswrong.Ifthevirus【65】usefulthenlet’’smakeittheservantofallhumanity——notjustapartofit. smallpoxn.天花 vialn.小瓶 auspicesn.赞助支持 capvt.结束覆盖 potentadj.有效力的强有力的 mistrustn.不信任怀疑
Wehavegotto{{U}}abideby{{/U}}therules.
OneGoodReasontoLetSmallpoxLive It’’snowafairbetthatwewillneverseethetotalextinctionofthesmallpoxvirus.Theideawastocapthegloriousachievementof1980whensmallpoxwaseradicatedinthewildbydestroyingthekillervirusinthelasttwolabsthataresupposedtohaveit—oneintheUSandoneinRussia.Ifsmallpoxhadtrulygonefromtheplanetwhatpointwasthereinkeepingthesereserves? 【51】realityofcourseitwasnaiveto【52】thateveryonewouldlet【53】ofsuchapotentpotentialweapon.Undoubtedlyseveralnationsstillhave【54】vials.【55】thelastofficialstocksoflivevirusbredmistrustoftheUSandRussia【56】noobviousgain. NowAmericanresearchershave【57】ananimalmodelofthehumandiseaseopeningthe【58】fortestsonnewtreatmentsandvaccines.Soonceagainthere’’sagoodreasonto【59】thevirus—justin【60】thediseaseputsinareappearance. Howdowe【61】withthemistrustoftheUSandRussia?【62】.Keepthevirus【63】internationalauspicesinawell-guardedUNlaboratorythat’’sopentoallcountries.TheUSwillobjectofcoursejustasitrejectsamultilateralapproachtojustabouteverything.Butitdoesn’’t【64】theideaiswrong.Ifthevirus【65】usefulthenlet’’smakeittheservantofallhumanity——notjustapartofit. smallpoxn.天花 vialn.小瓶 auspicesn.赞助支持 capvt.结束覆盖 potentadj.有效力的强有力的 mistrustn.不信任怀疑
TheattackonFortSumternearCharleston{{U}}provoked{{/U}}asharpresponsefromtheNorthwhichledtotheAmericanCivilWar.
AmericansDecrease IncreasinglyhistoriansareblamingdiseasesimportedfromtheOldWorldforthestaggeringdisparity不同betweentheindigenous本土的populationofAmericain1492—newestimatesofwhichsoarashighas100millionorapproximatelyone-sixthofthehumanraceatthattime—andthefewmillionfull-bloodedNativeAmericansaliveattheendofthenineteenthcentury.Thereisnodoubtthatchronicdiseasewasanimportantfactorintheprecipitous险峻的declineanditishighlyprobablethatthegreatestkillerwasepidemicdiseaseespeciallyasmanifestedinvirgin-soil处女地epidemics. Virgin-soilepidemicsarethoseinwhichthepopulationsatriskhavehadnopreviouscontactwiththediseasesthatstrikethemandarethereforeimmunologically免疫学的almostdefenseless.Thatvirgin-soilepidemicswereimportantinAmericanhistoryisstronglyindicatedbyevidencethatanumberofdangerousmaladies病—smallpoxmeasles麻疹malaria疟病yellowfeverandundoubtedlyseveralmore—wereunknowninthepre-ColumbianNewWorld.TheeffectsoftheirsuddenintroductionaredemonstratedintheearlychroniclesofAmericawhichcontainreportsofhorrendous可怕的epidemicsandsteeppopulationdeclinesconfirmedinmanycasesbyrecentequantitativeanalysesofSpanishtributerecordsandothersources.TheevidenceprovidedbythedocumentsofBritishandFrenchcoloniesisnotasdefinitivebecausetheconquerorsofthoseareasdidnotestablishpermanentsettlementsandbegintokeepcontinuousrecordsuntiltheseventiethcenturybywhichtimetheworstepidemicshadprobablyalreadytakenplace.FurthermoretheBritishtendedtodrivethenativepopulationsawayratherthanenslavingthemastheSpaniardsdidsothattheepidemicsofBritishAmericaoccurredbeyondtherangeofcolonistsdirectobservation. EvensothesurvivingrecordsofNorthAmericadocontainreferencestodeadlyepidemicsamongtheindigenouspopulation.In1616—1619anepidemicpossiblyofbubonicorpneumonic肺的plague瘟疫sweptcoastalNewEnglandkillingasmanyasnineoutoften.Duringthe1630’’ssmall-poxthediseasemostfataltotheNativeAmericanpeopleeliminatedhalfthepopulationoftheHuronandIroquoisconfederations.Inthe1820’’sfeverdevastatedthepeopleoftheCoulumbiaRiverareakillingeightoutoftenofthem. UnfortunatelythedocumentationoftheseandotherepidemicsisslightandfrequentlyunreliableanditisnecessarytosupplementwhatlittlewedoknowwithevidencefromrecentepidemicsamongNativeAmericans.Forexamplein1952anoutbreakofmeaslesamongtheNativeAmericaninhabitantsofUngavaBay.Quebecaffected99percentofthepopulationandkilled7percenteventhoughsomehadthebenefitofmodernmedicine.Casessuchasthisdemonstratethatevendiseasesthatarenotnormallyfatalcanhavedevastatingconsequenceswhentheystrikeanimmunologicallydefenselesscommunity. Theauthorimplieswhichofthefollowingstatementsaboutmeasles?
{{*HTML*}}??阅读下面这篇短文短文后列出7个句子请根据短文的内容对每个句子做出判断 {{B}}??????? ??????????? ???ContinuingMedicalEducation{{/B}}??Thereis increasingrecognitionoftheneedforhealthworkerstocontinuetheir educationthroughouttheircareers.Notonlydohealthworkersthemselveswish toimprovetheirownskillsandcompetencebuttheintroductionofnew techniquesandequipmentandthechangestakingplaceinhealthneedsandhealth carepoliciesnecessitatecontinuedtraining.Thephrasehealthcareis intendedtomeannotjustcurativetreatmentforthesickbutthewholerangeof provisionforpromotinghealthandpreventingdisease.??In virtuallyeverysituationsomeresponsetothisneedhasbeenmadeso continuingeducationdoestakeplace--eventhoughitmayinmanyinstancesbe ineffectiveorinsufficient.Continuingeducationmaybeinitiatedbythehealth workersthemselvesbytheirsupervisorsbythemanagersofthehealthsystem orbyotheragenciessuchasprofessionalassociationspublishersanddrug companies.Theformofthecontinuingeducationmaybewrittenmaterials journalsbooksadvertisementsmeetingscoursessupervisoryvisitsora varietyofothermethods.??Withthisdiversityofapproachitis notsurprisingthattheeffectivenessofcontinuingeducationshouldbe variable.4Soitisnaturalthatinmanycountriesthereisconcernthatmore continuingeducationshouldbeprovidedandthatitshouldbemore effective.??Theapproachsuggestedthattoachievethisaimis todevelopasystemofcontinuingeducation.Thistermneedssomeexplanation asitiscapableofbeinginterpretedinmanyways.Asystemisnotthesame thingasanorganizationthatprovidescontinuingeducation.Itismuchmore thanthat.Itisthesumoftheeducationalactivitiestheorganizational structurethatsupportsandmanagesthoseactivitiesthemanagementandthe externalagenciesinvolvedintheprovisionofhealthcare.sThesystemshould compriseanationwidecoordinatedprograminwhichtechnologyandresourcesare optimallyused.Writtenmaterialsconstitutethebestformofcontinuingmedicaleducation.
Theriver{{U}}widens{{/U}}considerablyasitbeginstoturneast.
Wewere{{U}}shocked{{/U}}tofindthatMarydidn'tknowherguest'sname.
OldMothers’ChildrenHaveHigherDiabetes糖尿病Risk Childrenofoldermothersrunahigherriskofdevelopinginsulin-dependent胰岛素依赖型的diabetestheBritishMedicalJournalsaid.Astrongassociationwasfoundbetweenincreasingmaternal母亲的ageatdeliveryandriskofinsulin-dependentdiabetesinthechild.RiskwashighestinfirstbornchildrenanddecreasedprogressivelywithhigherbirthorderProfessorEdwinGaleandcolleaguesatSouthmeadHospitalinBristolsaid.Diabetesisaseriousincurablelifelongdiseasecharacterized以......作为特性byallinabilitytocontroltheamountofsugarintheblood.Insulin-dependentdiabeteswhichmainlyaffectschildrenistreatedbyadministeringthehormoneinsulin.Galelookedinto1375familiesintheOxfordareawhereoneormorechildrenhaddiabetesandfoundthattheriskofachilddevelopinginsulin-dependentdiabetesincreasedby25percentforeachfive-yearbandofthemothersage. Theriskofdevelopingdiabeteswasalsolinkedtotheageofthefather.Foreveryfive-yearbandofthefather’’sagetheriskofthechilddevelopingdiabetesincreasedbyninepercent.Theriskofdiabeteswashigh?estamongthefirstbornchildrenofmotherswhostartedtheirfamilieslateandtheriskdecreasedbyabout15percentforeachsubsequentchildtheBMJsaid.Theolderthemothertheearlierthestartofinsulin-dependentdiabetesinthechild.Otherstudieshavealreadyshownthatchildrenborntooldermothersovertheageof35haveanincreasedriskofdiabetesbutthisstudyisthefirsttoestablishthatriskincreasescontinuouslyinrelationtoincreasingmaternalageDr.PollyBingleyofSouthmeadHospitaltoldReuters路透社.Thenewstudyisthefirsttoshowthatriskisrelatedtobirthorder. Thestudyalsopartlyexplainsincreasingdiabetes.Between1970and1996theproportionofchildrenborntomothersagedbetween30and34increasedto28percentfrom15percentandthiscouldaccountforrisingnumbersofchildhooddiabetespatientsthescientistssaidinthealarmingincreaseintherateofinsulin-dependentdiabetesamongchildreninrecentyears.Thisstudymaywellprovideacluetotheunderstandingofthisproblem.ItismostlikelythatthereareanumberoffactorstoexplaintheincreaseDiabetesUKsaid.Therearesome1.4milliondiagnoseddiabetessufferersinBritainthecharityDiabetesUKsaid.Ofthese1.4millionsufferersthereare20000peopleunderage20whosufferfrominsulin-dependentdiabetes. Whatisthecorrelationbetweenthemother’sageandthetimewhenthechilddevelopsinsulin-dependentdiabetes?
AdaptationofLivingThings Certainanimalsandplantsdevelopcharacteristicsthathelpthemcopewiththeirenvironmentbetterthanothersoftheirkind.Thisnaturalbiologicalprocessiscalledadaptation.Amongthesuperiorcharacteristicsdevelopedthroughadaptationarethosethatmayhelpingettingfoodorshelterinprovidingprotectionandinproducingandprotectingtheyoung.Thatresultsintheevolutionofmoreandmoreorganismsthatarebetterfittedtotheirenvironments. Eachlivingthingisadaptedtoitswayoflifeinageneralwaybuteachisadaptedespeciallytoitsowndistinctclass.Aplantforexampledependsuponitsrootstofixitselffirmlyandtoabsorbwaterandinorganicchemicals.Itdependsuponitsgreenleavesforusingthesun’’senergytomakefoodfrominorganicchemicals.Thesearegeneraladaptationscommontomostplants.Inadditiontherearespecialadaptationsthatonlycertainkindsofplantshave. Manyanimalshaveadaptationsthathelpthemescapefromtheirenemies.Someinsectsarehiddenbytheirbodycolororshapeandmanylooklikealeaforalittlebranch.Thecoatsofdeerarecoloredtomixwiththesurroundings.Manyanimalshavetheabilitytoremaincompletelystillwhenanenemyisnear. Organismshaveagreatvarietyofwaysofadapting.Theymayadaptintheirstructurefunctionandgenetics;intheirdevelopmentandproductionoftheyoung;andinotherrespects.Anorganismmaycreateitswonenvironmentasdowarm-bloodedmammalswhichhavetheabilitytoadjustbodyheatexactlytomaintaintheiridealtemperaturedespitechangingweather.Usuallyadaptationsareanadvantagebutsometimesanorganismissowelladaptedtoaparticularenvironmentthatifconditionschangeitfindsitdifficultorimpossibletoreadapttothenewconditions. Whichofthefollowingisnotdirectlymentioned?
OldMothers’ChildrenHaveHigherDiabetes糖尿病Risk Childrenofoldermothersrunahigherriskofdevelopinginsulin-dependent胰岛素依赖型的diabetestheBritishMedicalJournalsaid.Astrongassociationwasfoundbetweenincreasingmaternal母亲的ageatdeliveryandriskofinsulin-dependentdiabetesinthechild.RiskwashighestinfirstbornchildrenanddecreasedprogressivelywithhigherbirthorderProfessorEdwinGaleandcolleaguesatSouthmeadHospitalinBristolsaid.Diabetesisaseriousincurablelifelongdiseasecharacterized以......作为特性byallinabilitytocontroltheamountofsugarintheblood.Insulin-dependentdiabeteswhichmainlyaffectschildrenistreatedbyadministeringthehormoneinsulin.Galelookedinto1375familiesintheOxfordareawhereoneormorechildrenhaddiabetesandfoundthattheriskofachilddevelopinginsulin-dependentdiabetesincreasedby25percentforeachfive-yearbandofthemothersage. Theriskofdevelopingdiabeteswasalsolinkedtotheageofthefather.Foreveryfive-yearbandofthefather’’sagetheriskofthechilddevelopingdiabetesincreasedbyninepercent.Theriskofdiabeteswashigh?estamongthefirstbornchildrenofmotherswhostartedtheirfamilieslateandtheriskdecreasedbyabout15percentforeachsubsequentchildtheBMJsaid.Theolderthemothertheearlierthestartofinsulin-dependentdiabetesinthechild.Otherstudieshavealreadyshownthatchildrenborntooldermothersovertheageof35haveanincreasedriskofdiabetesbutthisstudyisthefirsttoestablishthatriskincreasescontinuouslyinrelationtoincreasingmaternalageDr.PollyBingleyofSouthmeadHospitaltoldReuters路透社.Thenewstudyisthefirsttoshowthatriskisrelatedtobirthorder. Thestudyalsopartlyexplainsincreasingdiabetes.Between1970and1996theproportionofchildrenborntomothersagedbetween30and34increasedto28percentfrom15percentandthiscouldaccountforrisingnumbersofchildhooddiabetespatientsthescientistssaidinthealarmingincreaseintherateofinsulin-dependentdiabetesamongchildreninrecentyears.Thisstudymaywellprovideacluetotheunderstandingofthisproblem.ItismostlikelythatthereareanumberoffactorstoexplaintheincreaseDiabetesUKsaid.Therearesome1.4milliondiagnoseddiabetessufferersinBritainthecharityDiabetesUKsaid.Ofthese1.4millionsufferersthereare20000peopleunderage20whosufferfrominsulin-dependentdiabetes. HowmanydiagnoseddiabetespatientsarethereinBritain?
OneGoodReasontoLetSmallpoxLive It’’snowafairbetthatwewillneverseethetotalextinctionofthesmallpoxvirus.Theideawastocapthegloriousachievementof1980whensmallpoxwaseradicatedinthewildbydestroyingthekillervirusinthelasttwolabsthataresupposedtohaveit—oneintheUSandoneinRussia.Ifsmallpoxhadtrulygonefromtheplanetwhatpointwasthereinkeepingthesereserves? 【51】realityofcourseitwasnaiveto【52】thateveryonewouldlet【53】ofsuchapotentpotentialweapon.Undoubtedlyseveralnationsstillhave【54】vials.【55】thelastofficialstocksoflivevirusbredmistrustoftheUSandRussia【56】noobviousgain. NowAmericanresearchershave【57】ananimalmodelofthehumandiseaseopeningthe【58】fortestsonnewtreatmentsandvaccines.Soonceagainthere’’sagoodreasonto【59】thevirus—justin【60】thediseaseputsinareappearance. Howdowe【61】withthemistrustoftheUSandRussia?【62】.Keepthevirus【63】internationalauspicesinawell-guardedUNlaboratorythat’’sopentoallcountries.TheUSwillobjectofcoursejustasitrejectsamultilateralapproachtojustabouteverything.Butitdoesn’’t【64】theideaiswrong.Ifthevirus【65】usefulthenlet’’smakeittheservantofallhumanity——notjustapartofit. smallpoxn.天花 vialn.小瓶 auspicesn.赞助支持 capvt.结束覆盖 potentadj.有效力的强有力的 mistrustn.不信任怀疑
OneGoodReasontoLetSmallpoxLive It’’snowafairbetthatwewillneverseethetotalextinctionofthesmallpoxvirus.Theideawastocapthegloriousachievementof1980whensmallpoxwaseradicatedinthewildbydestroyingthekillervirusinthelasttwolabsthataresupposedtohaveit—oneintheUSandoneinRussia.Ifsmallpoxhadtrulygonefromtheplanetwhatpointwasthereinkeepingthesereserves? 【51】realityofcourseitwasnaiveto【52】thateveryonewouldlet【53】ofsuchapotentpotentialweapon.Undoubtedlyseveralnationsstillhave【54】vials.【55】thelastofficialstocksoflivevirusbredmistrustoftheUSandRussia【56】noobviousgain. NowAmericanresearchershave【57】ananimalmodelofthehumandiseaseopeningthe【58】fortestsonnewtreatmentsandvaccines.Soonceagainthere’’sagoodreasonto【59】thevirus—justin【60】thediseaseputsinareappearance. Howdowe【61】withthemistrustoftheUSandRussia?【62】.Keepthevirus【63】internationalauspicesinawell-guardedUNlaboratorythat’’sopentoallcountries.TheUSwillobjectofcoursejustasitrejectsamultilateralapproachtojustabouteverything.Butitdoesn’’t【64】theideaiswrong.Ifthevirus【65】usefulthenlet’’smakeittheservantofallhumanity——notjustapartofit. smallpoxn.天花 vialn.小瓶 auspicesn.赞助支持 capvt.结束覆盖 potentadj.有效力的强有力的 mistrustn.不信任怀疑
Thetowersofasuspensionbridgeserveasarigid{{U}}framework{{/U}}towhichthecablesareattached.
{{*HTML*}}? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第2～5段每段选择1个正确的小标题2第27～30题要求从所给的6个选项中选择4个正确选项分别完成每个句子 {{B}}?????????? ?????????? ?Aspirin--aNewMiracleDrug{{/B}}??1.Usingaspirinan over-the-counterpillonsaleineverysupermarketwithoutaprescriptionto treatseriouscirculatorydiseasemayseemalmostlikequackery.Buttoday doctorsrecognizethisdrugasapotentcompoundasimportantasantibiotics digitalisandothermiracledrugs.??2.Initsnaturalformas willowbarkandleavesthisremarkableremedydatesbacktoHippocrates2.In 1829thechemicalinthewillowtreethatcanrelievepainandreducefeverwas discoveredtobesalicin.By1899theBayerCompanyinGermanyhadmarketeda variantacetylsalicylicacidunderthenameofaspirin.??3. Sincethenaspirinandcompoundscontainingaspirinhavebeentakenbytensof millionsofarthritispatients.Asapainkilleraspirinisaccordingtoone studymoreeffectivethanallotheranalgesicsandnarcoticsavailablefororal use.Italsoactson4thebody’sthermostatturningdownfever.? ?4.Butsomeofitspowersremainedunsuspecteduntilrecently.In1950the lateDr.Cravenwrotetoasmallwesternmedicaljournalabout400overweight sedentarymalepatientstowhomhehadgivenoneortwoaspirintabletsaday. Nonehadhadaheartattack.Heenlargedhisgroupto8000andin1956 reported:Notasinglecaseofdetectablecoronaryorcerebralthrombosisand nomajorstrokehadoccurredinpatientswhohadtakenoneortwotablets dailyforfromonetotenyears.Buthisobservationswerelargely ignored.??5.ThenDr.Vaneprovedthataspirinturnedoffthe body’sprostaglandinshormonelikechemicalsthatcanbesecretedbyeverycell. Somepotentprostaglandinsareharmfulcompoundsthatcreatefeverpainand arthritis.Oneofthemstimulatesplateletsinthebloodtobeginformingclots insidearteries.Aspirinblocksthisdangerouseffect.??6.Vane’s findingcausedsomeresearcherstorecallCraven’s1956observationswhichnow hadapossiblescientificexplanation.Numerousstudieswerebeguntofindout whetheraspirincouldindeedinhibitheartattacksandstroke.? ?7.In1972tenUSmedicalinstitutionsbegantwodouble-blindtrialsof 303patientswhosufferedfromtransientischemicattacksTIAs.Fouraspirin tabletsadayweregivento153patientswhileplacebotabletsweregivento 150.Neitherpatientsnordoctorsknewwhichwaswhich.Aftersixmonthsthe patientsonaspirinhadexperiencedmuchfewerTIAsandfewerstrokesand deathsfromstrokesthanthecontrols.Theresultsweresoconclusivethat aspirinhasbeenusedforthispurposewidely.ItisBayerCompany______
OneGoodReasontoLetSmallpoxLive It’’snowafairbetthatwewillneverseethetotalextinctionofthesmallpoxvirus.Theideawastocapthegloriousachievementof1980whensmallpoxwaseradicatedinthewildbydestroyingthekillervirusinthelasttwolabsthataresupposedtohaveit—oneintheUSandoneinRussia.Ifsmallpoxhadtrulygonefromtheplanetwhatpointwasthereinkeepingthesereserves? 【51】realityofcourseitwasnaiveto【52】thateveryonewouldlet【53】ofsuchapotentpotentialweapon.Undoubtedlyseveralnationsstillhave【54】vials.【55】thelastofficialstocksoflivevirusbredmistrustoftheUSandRussia【56】noobviousgain. NowAmericanresearchershave【57】ananimalmodelofthehumandiseaseopeningthe【58】fortestsonnewtreatmentsandvaccines.Soonceagainthere’’sagoodreasonto【59】thevirus—justin【60】thediseaseputsinareappearance. Howdowe【61】withthemistrustoftheUSandRussia?【62】.Keepthevirus【63】internationalauspicesinawell-guardedUNlaboratorythat’’sopentoallcountries.TheUSwillobjectofcoursejustasitrejectsamultilateralapproachtojustabouteverything.Butitdoesn’’t【64】theideaiswrong.Ifthevirus【65】usefulthenlet’’smakeittheservantofallhumanity——notjustapartofit. smallpoxn.天花 vialn.小瓶 auspicesn.赞助支持 capvt.结束覆盖 potentadj.有效力的强有力的 mistrustn.不信任怀疑
{{*HTML*}}? ?下面有3篇短文每篇短文后有5道题每题后面有4个选项请仔细阅读短文并根据短文回答其后面的问题从4个选项中选择1个最佳答案{{B}}第一篇{{/B}} {{B}}??????? ???MedicineAwardKicksoffNobelPrize Announcements{{/B}}??Twoscientistswhohavewonpraisefor researchintothegrowthofcancercellscouldbecandidatesfortheNobelPrize inmedicinewhenthe2008winnersarepresentedonMondaykickingoffsixdays ofNobelannouncements.??Australian-bornU.S.citizenElizabeth BlackburnandAmericanCarolGreiderhavealreadywonaseriesofmedicalhonors fortheirenzymeresearchandexpertssaytheycouldbeamongthefront-runners foraNobel.??Onlysevenwomenhavewonthemedicineprizesince thefirstNobelPrizeswerehandedoutin1901.ThelastfemalewinnerwasU.S. researcherLindaBuckin2004whosharedtheprizewithRichardAxel.? ?Amongthepair’spossiblerivalsareFrenchmanPierreChambonand AmericansRonaldEvansandElwoodJensenwhoopenedupthefieldofstudying proteinscallednuclearhormonereceptors.??Asusualtheaward committeeisgivingnohintsaboutwhoisintherunningbeforepresentingits decisioninanewsconferenceatStockholm’sKarolinskaInstitute.? ?AlfredNobeltheSwedewhoinventeddynamiteestablishedtheprizesin hiswillinthecategoriesofmedicinephysicschemistryliteratureand peace.TheeconomicsprizeistechnicallynotaNobelbuta1968creationof Sweden’scentralbank.??Nobelleftfewinstructionsonhowto selectwinnersbutmedicinewinnersaretypicallyawardedforaspecific breakthroughratherthanabodyofresearch.??HansJornvall secretaryofthemedicineprizecommitteesaidthe10millionkronorUS$1.3 millionprizeencouragesgroundbreakingresearchbuthedidnotthinkwinning itwastheprimarygoalforscientists.??Individualresearchers probablydon’tlookatthemselvesaspotentialNobelPrizewinnerswhenthey’re atworkJornvatltoldTheAssociatedPress.Theygettheirkicksfromtheir researchandtheirinterestinhowlifefunctions.??In2006 BlackburnoftheUniversityofCaliforniaSanFranciscoandGreiderofJohns HopkinsUniversityinBaltimoresharedtheLaskerprizeforbasicmedical researchwithJackSzostakofHarvardMedicalSchool.Theirworksetthestage forresearchsuggestingthatcancercellsusetelomerasetosustaintheir uncontrolledgrowth.WhichisNOTtrueofAlfredNobel?
{{*HTML*}}??阅读下面这篇短文短文后列出7个句子请根据短文的内容对每个句子做出判断 {{B}}??????? ??????????? ???ContinuingMedicalEducation{{/B}}??Thereis increasingrecognitionoftheneedforhealthworkerstocontinuetheir educationthroughouttheircareers.Notonlydohealthworkersthemselveswish toimprovetheirownskillsandcompetencebuttheintroductionofnew techniquesandequipmentandthechangestakingplaceinhealthneedsandhealth carepoliciesnecessitatecontinuedtraining.Thephrasehealthcareis intendedtomeannotjustcurativetreatmentforthesickbutthewholerangeof provisionforpromotinghealthandpreventingdisease.??In virtuallyeverysituationsomeresponsetothisneedhasbeenmadeso continuingeducationdoestakeplace--eventhoughitmayinmanyinstancesbe ineffectiveorinsufficient.Continuingeducationmaybeinitiatedbythehealth workersthemselvesbytheirsupervisorsbythemanagersofthehealthsystem orbyotheragenciessuchasprofessionalassociationspublishersanddrug companies.Theformofthecontinuingeducationmaybewrittenmaterials journalsbooksadvertisementsmeetingscoursessupervisoryvisitsora varietyofothermethods.??Withthisdiversityofapproachitis notsurprisingthattheeffectivenessofcontinuingeducationshouldbe variable.4Soitisnaturalthatinmanycountriesthereisconcernthatmore continuingeducationshouldbeprovidedandthatitshouldbemore effective.??Theapproachsuggestedthattoachievethisaimis todevelopasystemofcontinuingeducation.Thistermneedssomeexplanation asitiscapableofbeinginterpretedinmanyways.Asystemisnotthesame thingasanorganizationthatprovidescontinuingeducation.Itismuchmore thanthat.Itisthesumoftheeducationalactivitiestheorganizational structurethatsupportsandmanagesthoseactivitiesthemanagementandthe externalagenciesinvolvedintheprovisionofhealthcare.sThesystemshould compriseanationwidecoordinatedprograminwhichtechnologyandresourcesare optimallyused.Thephrasehealthcaremeansmorethancurativetreatmentforthesick.
OneGoodReasontoLetSmallpoxLive It’’snowafairbetthatwewillneverseethetotalextinctionofthesmallpoxvirus.Theideawastocapthegloriousachievementof1980whensmallpoxwaseradicatedinthewildbydestroyingthekillervirusinthelasttwolabsthataresupposedtohaveit—oneintheUSandoneinRussia.Ifsmallpoxhadtrulygonefromtheplanetwhatpointwasthereinkeepingthesereserves? 【51】realityofcourseitwasnaiveto【52】thateveryonewouldlet【53】ofsuchapotentpotentialweapon.Undoubtedlyseveralnationsstillhave【54】vials.【55】thelastofficialstocksoflivevirusbredmistrustoftheUSandRussia【56】noobviousgain. NowAmericanresearchershave【57】ananimalmodelofthehumandiseaseopeningthe【58】fortestsonnewtreatmentsandvaccines.Soonceagainthere’’sagoodreasonto【59】thevirus—justin【60】thediseaseputsinareappearance. Howdowe【61】withthemistrustoftheUSandRussia?【62】.Keepthevirus【63】internationalauspicesinawell-guardedUNlaboratorythat’’sopentoallcountries.TheUSwillobjectofcoursejustasitrejectsamultilateralapproachtojustabouteverything.Butitdoesn’’t【64】theideaiswrong.Ifthevirus【65】usefulthenlet’’smakeittheservantofallhumanity——notjustapartofit. smallpoxn.天花 vialn.小瓶 auspicesn.赞助支持 capvt.结束覆盖 potentadj.有效力的强有力的 mistrustn.不信任怀疑
{{*HTML*}}? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第2～5段每段选择1个正确的小标题2第27～30题要求从所给的6个选项中选择4个正确选项分别完成每个句子 {{B}}?????????? ?????????? ?Aspirin--aNewMiracleDrug{{/B}}??1.Usingaspirinan over-the-counterpillonsaleineverysupermarketwithoutaprescriptionto treatseriouscirculatorydiseasemayseemalmostlikequackery.Buttoday doctorsrecognizethisdrugasapotentcompoundasimportantasantibiotics digitalisandothermiracledrugs.??2.Initsnaturalformas willowbarkandleavesthisremarkableremedydatesbacktoHippocrates2.In 1829thechemicalinthewillowtreethatcanrelievepainandreducefeverwas discoveredtobesalicin.By1899theBayerCompanyinGermanyhadmarketeda variantacetylsalicylicacidunderthenameofaspirin.??3. Sincethenaspirinandcompoundscontainingaspirinhavebeentakenbytensof millionsofarthritispatients.Asapainkilleraspirinisaccordingtoone studymoreeffectivethanallotheranalgesicsandnarcoticsavailablefororal use.Italsoactson4thebody’sthermostatturningdownfever.? ?4.Butsomeofitspowersremainedunsuspecteduntilrecently.In1950the lateDr.Cravenwrotetoasmallwesternmedicaljournalabout400overweight sedentarymalepatientstowhomhehadgivenoneortwoaspirintabletsaday. Nonehadhadaheartattack.Heenlargedhisgroupto8000andin1956 reported:Notasinglecaseofdetectablecoronaryorcerebralthrombosisand nomajorstrokehadoccurredinpatientswhohadtakenoneortwotablets dailyforfromonetotenyears.Buthisobservationswerelargely ignored.??5.ThenDr.Vaneprovedthataspirinturnedoffthe body’sprostaglandinshormonelikechemicalsthatcanbesecretedbyeverycell. Somepotentprostaglandinsareharmfulcompoundsthatcreatefeverpainand arthritis.Oneofthemstimulatesplateletsinthebloodtobeginformingclots insidearteries.Aspirinblocksthisdangerouseffect.??6.Vane’s findingcausedsomeresearcherstorecallCraven’s1956observationswhichnow hadapossiblescientificexplanation.Numerousstudieswerebeguntofindout whetheraspirincouldindeedinhibitheartattacksandstroke.? ?7.In1972tenUSmedicalinstitutionsbegantwodouble-blindtrialsof 303patientswhosufferedfromtransientischemicattacksTIAs.Fouraspirin tabletsadayweregivento153patientswhileplacebotabletsweregivento 150.Neitherpatientsnordoctorsknewwhichwaswhich.Aftersixmonthsthe patientsonaspirinhadexperiencedmuchfewerTIAsandfewerstrokesand deathsfromstrokesthanthecontrols.Theresultsweresoconclusivethat aspirinhasbeenusedforthispurposewidely.Numerousstudiesconcluded______
{{*HTML*}}??阅读下面这篇短文短文后列出7个句子请根据短文的内容对每个句子做出判断 {{B}}??????? ??????????? ???ContinuingMedicalEducation{{/B}}??Thereis increasingrecognitionoftheneedforhealthworkerstocontinuetheir educationthroughouttheircareers.Notonlydohealthworkersthemselveswish toimprovetheirownskillsandcompetencebuttheintroductionofnew techniquesandequipmentandthechangestakingplaceinhealthneedsandhealth carepoliciesnecessitatecontinuedtraining.Thephrasehealthcareis intendedtomeannotjustcurativetreatmentforthesickbutthewholerangeof provisionforpromotinghealthandpreventingdisease.??In virtuallyeverysituationsomeresponsetothisneedhasbeenmadeso continuingeducationdoestakeplace--eventhoughitmayinmanyinstancesbe ineffectiveorinsufficient.Continuingeducationmaybeinitiatedbythehealth workersthemselvesbytheirsupervisorsbythemanagersofthehealthsystem orbyotheragenciessuchasprofessionalassociationspublishersanddrug companies.Theformofthecontinuingeducationmaybewrittenmaterials journalsbooksadvertisementsmeetingscoursessupervisoryvisitsora varietyofothermethods.??Withthisdiversityofapproachitis notsurprisingthattheeffectivenessofcontinuingeducationshouldbe variable.4Soitisnaturalthatinmanycountriesthereisconcernthatmore continuingeducationshouldbeprovidedandthatitshouldbemore effective.??Theapproachsuggestedthattoachievethisaimis todevelopasystemofcontinuingeducation.Thistermneedssomeexplanation asitiscapableofbeinginterpretedinmanyways.Asystemisnotthesame thingasanorganizationthatprovidescontinuingeducation.Itismuchmore thanthat.Itisthesumoftheeducationalactivitiestheorganizational structurethatsupportsandmanagesthoseactivitiesthemanagementandthe externalagenciesinvolvedintheprovisionofhealthcare.sThesystemshould compriseanationwidecoordinatedprograminwhichtechnologyandresourcesare optimallyused.Healthworkersthemselvesareawareoftheimportanceofcontinuedtraining.
ThereisalwaysexcitementattheOlympicGameswhenanathlete{{U}}breaks{{/U}}apreviousrecordofperformance.
OneGoodReasontoLetSmallpoxLive It’’snowafairbetthatwewillneverseethetotalextinctionofthesmallpoxvirus.Theideawastocapthegloriousachievementof1980whensmallpoxwaseradicatedinthewildbydestroyingthekillervirusinthelasttwolabsthataresupposedtohaveit—oneintheUSandoneinRussia.Ifsmallpoxhadtrulygonefromtheplanetwhatpointwasthereinkeepingthesereserves? 【51】realityofcourseitwasnaiveto【52】thateveryonewouldlet【53】ofsuchapotentpotentialweapon.Undoubtedlyseveralnationsstillhave【54】vials.【55】thelastofficialstocksoflivevirusbredmistrustoftheUSandRussia【56】noobviousgain. NowAmericanresearchershave【57】ananimalmodelofthehumandiseaseopeningthe【58】fortestsonnewtreatmentsandvaccines.Soonceagainthere’’sagoodreasonto【59】thevirus—justin【60】thediseaseputsinareappearance. Howdowe【61】withthemistrustoftheUSandRussia?【62】.Keepthevirus【63】internationalauspicesinawell-guardedUNlaboratorythat’’sopentoallcountries.TheUSwillobjectofcoursejustasitrejectsamultilateralapproachtojustabouteverything.Butitdoesn’’t【64】theideaiswrong.Ifthevirus【65】usefulthenlet’’smakeittheservantofallhumanity——notjustapartofit. smallpoxn.天花 vialn.小瓶 auspicesn.赞助支持 capvt.结束覆盖 potentadj.有效力的强有力的 mistrustn.不信任怀疑
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