首页
试卷库
试题库
当前位置:
X题卡
>
所有题目
>
题目详情
A Small Event One afternoon in January 1989, Suzan Sharp, 43, ...
查看本题答案
包含此试题的试卷
理工类《单选集填空》真题及答案
点击查看
你可能感兴趣的试题
热门试题
更多
Griersonremains{{U}}cautious{{/U}}ofoffendingthepublicofmovingtooquickly.
Vending Vendingissuchanup-to-dateconceptinprovidingproductswhereandwhencustomerswantthemthatitishardtobelievethatitmadeitsfirstappearanceinEgyptianTemplesbackin215B.C. Vendinghasbenefitedfromthatlonghistoryandisnowpoisedtomeettheneedsofthe21stcenturyconsumer. Currentdaypressuresmeanthatwearealltime-starvedandthereadyavailabilityofadrinkandasnackattherighttemperaturejustwherewewant.Itistheconvenientluxurythathelpstokeepstressatbayandprovidesafewmoreminutesatthedeskorinthegym. Atworkthoseextraminutesspentmakingteaorcoffeebyhandreallyaddup.ResearchconductedbytheNOPNationalOpinionPollfortheAssociationshowedthattheaveragetimespentonthisbyemployeesoverandaboveformallunchandteabreaksis45minutesperday.Thatequatestoafirmemploying50peoplelosingupto37maneverydayarealholeinproductivity! It’’snotjustintheworkplacethoughthatthebenefitsofvendingcanbeenjoyed.Moreandmoremajorhouseholdbrandsareseeingvendingasanidealroutetothecustomerfortheirproductsbecausethevendingmachinecanbetrustedtobereadytoservewheneverthereisademand.Machinesarenowfamiliarsightsatairportsgarageforecourtsleisuresitesrailwaystationsandanywhereelsethatpeoplegatherallowingconsumerstoputtogetheraninstantpicnic. It’’snosurprisethereforethatconsumersarecurrentlyspendingattherateofsome£1billionperyearthroughtheslotsofvendingmachinesnowthat10milliondrinksarevendedintocupseveryday. Vendingmachinescannowbeseen______.
NewTechniquePromisesEarlierCancerDetection AnewtechniquecouldrevolutionizetheearlydetectionofcancergivingsufferersagreaterchanceofbeatingthediseaseAmericanscientistssaid.ResearchersattheMassachusettsInstituteofTechnologyhavedevisedanovelmethodof【51】changesinthenucleusofcellsintheearlieststagesofthedisease.Morethan85percentofallcancersoriginateintheepithelium上皮thatlinestheinternalsurfacesoforgans【52】thebody.Althoughthesearetreatable【53】theyarediagnosedinoneofthepreventablestagesearlybodydamagesarealmost【54】todetectsaidscientistFeld.Wepresentanewoptical-probe光学探子techniquebasedonlight-scatteringspectroscopy分光镜检查thatisable【55】detectprecancerousandearlycancerouscellsincell-richepitheliaheaddedinastatement. Thenewtechniquereliesonthefact【56】cellnucleichangeintheearlystagesofcancerandthedifferencesscatterlightinacharacteristicway.Untilnowthechangeswereonlydetectable【57】abiopsy活检wastakenthescientistssaid.Thenewtechnique【58】inthesciencejournalNaturecanbeusedinconjunctionwitharoutinecancerscreeningandsurveillancetechniquewhichusesanendoscope内窥镜—aflexibleopticalprobe【59】withcameraswhichisinsertedintoacavityinthebody—tocheck【60】cancers. Thescientistssaidthey【61】theirnewtechniqueinfourdifferentorgansduringroutineendoscopiccancerscreening.Thetipoftheopticalprobewasbroughtintocontactwiththetissuetobetestedandthescatteringoflightwasrecordedwithouttheneedforanytissuetobe【62】thescientistssaid.Ourresultsshowthatlight-scatteringspectroscopyhasthepotentialtodetectpre-cancerousbodydamagesandpreinvasivecancersthroughoutthebody.Thistechniqueshould【63】improvetheefficiencyofcancerscreeningandsurveillancethescientistssaid.Cancerisoneofthebiggest【64】inindustrializedcountries.【65】tofiguresfromtheWorldHealthOrganization10millionpeoplewerediagnosedwiththediseaseworldwidein1997andsixmilliondied.
NewTechniquePromisesEarlierCancerDetection AnewtechniquecouldrevolutionizetheearlydetectionofcancergivingsufferersagreaterchanceofbeatingthediseaseAmericanscientistssaid.ResearchersattheMassachusettsInstituteofTechnologyhavedevisedanovelmethodof【51】changesinthenucleusofcellsintheearlieststagesofthedisease.Morethan85percentofallcancersoriginateintheepithelium上皮thatlinestheinternalsurfacesoforgans【52】thebody.Althoughthesearetreatable【53】theyarediagnosedinoneofthepreventablestagesearlybodydamagesarealmost【54】todetectsaidscientistFeld.Wepresentanewoptical-probe光学探子techniquebasedonlight-scatteringspectroscopy分光镜检查thatisable【55】detectprecancerousandearlycancerouscellsincell-richepitheliaheaddedinastatement. Thenewtechniquereliesonthefact【56】cellnucleichangeintheearlystagesofcancerandthedifferencesscatterlightinacharacteristicway.Untilnowthechangeswereonlydetectable【57】abiopsy活检wastakenthescientistssaid.Thenewtechnique【58】inthesciencejournalNaturecanbeusedinconjunctionwitharoutinecancerscreeningandsurveillancetechniquewhichusesanendoscope内窥镜—aflexibleopticalprobe【59】withcameraswhichisinsertedintoacavityinthebody—tocheck【60】cancers. Thescientistssaidthey【61】theirnewtechniqueinfourdifferentorgansduringroutineendoscopiccancerscreening.Thetipoftheopticalprobewasbroughtintocontactwiththetissuetobetestedandthescatteringoflightwasrecordedwithouttheneedforanytissuetobe【62】thescientistssaid.Ourresultsshowthatlight-scatteringspectroscopyhasthepotentialtodetectpre-cancerousbodydamagesandpreinvasivecancersthroughoutthebody.Thistechniqueshould【63】improvetheefficiencyofcancerscreeningandsurveillancethescientistssaid.Cancerisoneofthebiggest【64】inindustrializedcountries.【65】tofiguresfromtheWorldHealthOrganization10millionpeoplewerediagnosedwiththediseaseworldwidein1997andsixmilliondied.
NewTechniquePromisesEarlierCancerDetection AnewtechniquecouldrevolutionizetheearlydetectionofcancergivingsufferersagreaterchanceofbeatingthediseaseAmericanscientistssaid.ResearchersattheMassachusettsInstituteofTechnologyhavedevisedanovelmethodof【51】changesinthenucleusofcellsintheearlieststagesofthedisease.Morethan85percentofallcancersoriginateintheepithelium上皮thatlinestheinternalsurfacesoforgans【52】thebody.Althoughthesearetreatable【53】theyarediagnosedinoneofthepreventablestagesearlybodydamagesarealmost【54】todetectsaidscientistFeld.Wepresentanewoptical-probe光学探子techniquebasedonlight-scatteringspectroscopy分光镜检查thatisable【55】detectprecancerousandearlycancerouscellsincell-richepitheliaheaddedinastatement. Thenewtechniquereliesonthefact【56】cellnucleichangeintheearlystagesofcancerandthedifferencesscatterlightinacharacteristicway.Untilnowthechangeswereonlydetectable【57】abiopsy活检wastakenthescientistssaid.Thenewtechnique【58】inthesciencejournalNaturecanbeusedinconjunctionwitharoutinecancerscreeningandsurveillancetechniquewhichusesanendoscope内窥镜—aflexibleopticalprobe【59】withcameraswhichisinsertedintoacavityinthebody—tocheck【60】cancers. Thescientistssaidthey【61】theirnewtechniqueinfourdifferentorgansduringroutineendoscopiccancerscreening.Thetipoftheopticalprobewasbroughtintocontactwiththetissuetobetestedandthescatteringoflightwasrecordedwithouttheneedforanytissuetobe【62】thescientistssaid.Ourresultsshowthatlight-scatteringspectroscopyhasthepotentialtodetectpre-cancerousbodydamagesandpreinvasivecancersthroughoutthebody.Thistechniqueshould【63】improvetheefficiencyofcancerscreeningandsurveillancethescientistssaid.Cancerisoneofthebiggest【64】inindustrializedcountries.【65】tofiguresfromtheWorldHealthOrganization10millionpeoplewerediagnosedwiththediseaseworldwidein1997andsixmilliondied.
WecanrelyonJamestocarryoutthismissionforhisjudgementisalwayssound.
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. Whatkindofchildmaybeatthehighestriskofdevelopinginsulin-dependentdiabetes?
Thursdaytheterriblenoisewas{{U}}substituted{{/U}}bythegrimsteadyhumofsearchandrecovery.
FluShotsOrNot? ItsoundedlikeagoodideawhenNewYorkCity’’smayorRudollphGiulianiadvisedNewYorkersrecentlytogetaflushot.Afterall20000Americanseachyeardieofinfluenza.Andthisyearinparticularthemayorsuggestedgettingaflushotmightbeanespeciallygoodideasinceitcouldhelpdoctorsdistinguishbetweenfluandthedeadlyinhalational吸入的formofanthrax炭疽.How?Bothanthraxandfluexhibitstrikinglysimilarsymptoms—feverchillsandmuscleaches—intheearlydaysoftheinfection.Physicianswouldbequicktosuspectanthraxinanyonewhowasvaccinated接种疫苗againstfluandstilldevelopedfeverandchills.Thatwouldgivethemabetterchancetoidentifyanynewvictimsofterrorwhiletheirinfectionwasstillinitsearliestmosttreatablestages. Orsothemayor’’sreasoningwent.Unfortunatelythereareacoupleofproblemswithhislogic.Foronethinggettingvaccinatedagainstinfluenzadoesn’tguaranteeyouwontgetsick.Althoughhighlyeffectivethefluvaccine疫苗protectsagainstonlythedominanttypesofthediseaseandeventhendoesnotprovide100%protection.Ittakesacoupleofweeksforyourbodytorespondtothevaccinewithasufficientnumberofantibodies抗体.EachyearthousandsofAmericanswhogetthevaccineneverthelessstillgettheflu. Therearealsoplentyofreasonsyoumightdevelopfeverchillsandmuscleachesthathavenothingtodowitheitheranthraxorflu.Indeeddoctorsestimatethatmorethan80%ofallflulikeillnesseseachwinterarecausedbyothergroupsofviruses.Gettingvaccinatedagainstflucantprotectyouagainstsufferingfromtheseotherillnesses. Intheworstcaseaskingallhealthyadultstogetvaccinatedcouldactuallyhavetheoppositeeffecttotheoneintendedleadingtoevenmoredeathsifitmeanswerunoutofshotsforthosewhoaremostvulnerabletotheinfection.Alreadytherehavebeendelaysingettingthisyear’’sshipmentofvaccinetoclinicsanddoctors’’offices.Thosewhoshouldbeatthefrontofthelineincludefolkswhoare65oroldernursing-homeresidentsandadultsandchildrenwithchronichealthproblemsaswellasanyonewhocaresfororliveswithsuchpeople.FlushotsarealsoimportantformenandwomenwhoseimmunesystemisweakenedbyHIV艾滋病病毒orotherconditions. Thebestreasontogetthefluvaccineisthatitprotectsagainstmostflus—notthatyou’’reworriedaboutgettinganthrax.Whileinhalationalanthraxhaskilledonlyfivepeoplesofarmanymorecouldbeatriskfromflu-relatedcomplications.There’’snoneedtoworsenthetragedybymakingthisyear’’sinfluenzaepidemicanyworse. Noneofthefivepeoplekilledbyinhalationalanthraxhadbeenvaccinatedagainstinfluenza.
NewTechniquePromisesEarlierCancerDetection AnewtechniquecouldrevolutionizetheearlydetectionofcancergivingsufferersagreaterchanceofbeatingthediseaseAmericanscientistssaid.ResearchersattheMassachusettsInstituteofTechnologyhavedevisedanovelmethodof【51】changesinthenucleusofcellsintheearlieststagesofthedisease.Morethan85percentofallcancersoriginateintheepithelium上皮thatlinestheinternalsurfacesoforgans【52】thebody.Althoughthesearetreatable【53】theyarediagnosedinoneofthepreventablestagesearlybodydamagesarealmost【54】todetectsaidscientistFeld.Wepresentanewoptical-probe光学探子techniquebasedonlight-scatteringspectroscopy分光镜检查thatisable【55】detectprecancerousandearlycancerouscellsincell-richepitheliaheaddedinastatement. Thenewtechniquereliesonthefact【56】cellnucleichangeintheearlystagesofcancerandthedifferencesscatterlightinacharacteristicway.Untilnowthechangeswereonlydetectable【57】abiopsy活检wastakenthescientistssaid.Thenewtechnique【58】inthesciencejournalNaturecanbeusedinconjunctionwitharoutinecancerscreeningandsurveillancetechniquewhichusesanendoscope内窥镜—aflexibleopticalprobe【59】withcameraswhichisinsertedintoacavityinthebody—tocheck【60】cancers. Thescientistssaidthey【61】theirnewtechniqueinfourdifferentorgansduringroutineendoscopiccancerscreening.Thetipoftheopticalprobewasbroughtintocontactwiththetissuetobetestedandthescatteringoflightwasrecordedwithouttheneedforanytissuetobe【62】thescientistssaid.Ourresultsshowthatlight-scatteringspectroscopyhasthepotentialtodetectpre-cancerousbodydamagesandpreinvasivecancersthroughoutthebody.Thistechniqueshould【63】improvetheefficiencyofcancerscreeningandsurveillancethescientistssaid.Cancerisoneofthebiggest【64】inindustrializedcountries.【65】tofiguresfromtheWorldHealthOrganization10millionpeoplewerediagnosedwiththediseaseworldwidein1997andsixmilliondied.
Pleasedon'tdropthatchinavase:it'soneofmyprize{{U}}possessions{{/U}}.
NewTechniquePromisesEarlierCancerDetection AnewtechniquecouldrevolutionizetheearlydetectionofcancergivingsufferersagreaterchanceofbeatingthediseaseAmericanscientistssaid.ResearchersattheMassachusettsInstituteofTechnologyhavedevisedanovelmethodof【51】changesinthenucleusofcellsintheearlieststagesofthedisease.Morethan85percentofallcancersoriginateintheepithelium上皮thatlinestheinternalsurfacesoforgans【52】thebody.Althoughthesearetreatable【53】theyarediagnosedinoneofthepreventablestagesearlybodydamagesarealmost【54】todetectsaidscientistFeld.Wepresentanewoptical-probe光学探子techniquebasedonlight-scatteringspectroscopy分光镜检查thatisable【55】detectprecancerousandearlycancerouscellsincell-richepitheliaheaddedinastatement. Thenewtechniquereliesonthefact【56】cellnucleichangeintheearlystagesofcancerandthedifferencesscatterlightinacharacteristicway.Untilnowthechangeswereonlydetectable【57】abiopsy活检wastakenthescientistssaid.Thenewtechnique【58】inthesciencejournalNaturecanbeusedinconjunctionwitharoutinecancerscreeningandsurveillancetechniquewhichusesanendoscope内窥镜—aflexibleopticalprobe【59】withcameraswhichisinsertedintoacavityinthebody—tocheck【60】cancers. Thescientistssaidthey【61】theirnewtechniqueinfourdifferentorgansduringroutineendoscopiccancerscreening.Thetipoftheopticalprobewasbroughtintocontactwiththetissuetobetestedandthescatteringoflightwasrecordedwithouttheneedforanytissuetobe【62】thescientistssaid.Ourresultsshowthatlight-scatteringspectroscopyhasthepotentialtodetectpre-cancerousbodydamagesandpreinvasivecancersthroughoutthebody.Thistechniqueshould【63】improvetheefficiencyofcancerscreeningandsurveillancethescientistssaid.Cancerisoneofthebiggest【64】inindustrializedcountries.【65】tofiguresfromtheWorldHealthOrganization10millionpeoplewerediagnosedwiththediseaseworldwidein1997andsixmilliondied.
NewTechniquePromisesEarlierCancerDetection AnewtechniquecouldrevolutionizetheearlydetectionofcancergivingsufferersagreaterchanceofbeatingthediseaseAmericanscientistssaid.ResearchersattheMassachusettsInstituteofTechnologyhavedevisedanovelmethodof【51】changesinthenucleusofcellsintheearlieststagesofthedisease.Morethan85percentofallcancersoriginateintheepithelium上皮thatlinestheinternalsurfacesoforgans【52】thebody.Althoughthesearetreatable【53】theyarediagnosedinoneofthepreventablestagesearlybodydamagesarealmost【54】todetectsaidscientistFeld.Wepresentanewoptical-probe光学探子techniquebasedonlight-scatteringspectroscopy分光镜检查thatisable【55】detectprecancerousandearlycancerouscellsincell-richepitheliaheaddedinastatement. Thenewtechniquereliesonthefact【56】cellnucleichangeintheearlystagesofcancerandthedifferencesscatterlightinacharacteristicway.Untilnowthechangeswereonlydetectable【57】abiopsy活检wastakenthescientistssaid.Thenewtechnique【58】inthesciencejournalNaturecanbeusedinconjunctionwitharoutinecancerscreeningandsurveillancetechniquewhichusesanendoscope内窥镜—aflexibleopticalprobe【59】withcameraswhichisinsertedintoacavityinthebody—tocheck【60】cancers. Thescientistssaidthey【61】theirnewtechniqueinfourdifferentorgansduringroutineendoscopiccancerscreening.Thetipoftheopticalprobewasbroughtintocontactwiththetissuetobetestedandthescatteringoflightwasrecordedwithouttheneedforanytissuetobe【62】thescientistssaid.Ourresultsshowthatlight-scatteringspectroscopyhasthepotentialtodetectpre-cancerousbodydamagesandpreinvasivecancersthroughoutthebody.Thistechniqueshould【63】improvetheefficiencyofcancerscreeningandsurveillancethescientistssaid.Cancerisoneofthebiggest【64】inindustrializedcountries.【65】tofiguresfromtheWorldHealthOrganization10millionpeoplewerediagnosedwiththediseaseworldwidein1997andsixmilliondied.
ManySRTmembersbelieveitisbothabiologicalandadivine{{U}}necessity{{/U}}foramantobetheheadofthefamily.
TheGeneIndustry Majorcompaniesarealreadyinpursuitofcommercialapplicationsofthenewbiology.Theydreamofplacingenzymesintheautomobiletomonitorexhaustandsenddataonpollutiontoamicroprocessorthatwillthenadjusttheengine.TheyspeakofwhattheNewYorkTimescallsmetal—hungrymicrobesthatmightbeusedtominevaluabletracemetalsfromoceanwater.Theyhavealreadydemandedandwontherighttopatentnewlifeforms. Nervouscriticsincludingmanyscientistsworrythatthereiscorporatenationalinternationalandinter-scientificrivalryintheentirebiotechnologicalfield.Theycreateimagesnotofoilspillsbutofmicrobespillsthatcouldspreaddiseaseanddestroyentirepopulations.Thecreationandaccidentalreleaseofextremelypoisonousmicrobeshoweverisonlyonecauseforalarm.Completelyrationalandrespectablescientistsaretalkingaboutpossibilitiesthatstaggertheimagination. Shouldwebreedpeoplewithcow-likestomachssotheycandigestgrassandhaytherebyrelievingthefoodproblembymodifyingustoeatlowerdownonthefoodchain?Shouldwebiologicallyalterworkerstofitthejobrequirementforexamplecreatingpilotswithfasterreactiontimesorassembly-lineworkersdesignedtodoourmonotonousworkforus?Shouldweattempttoeliminateinferiorpeopleandbreedasuper-race?Hitlertriedthisbutwithoutthegeneticweaponrythatmaysoonissuefromourlaboratories.Shouldweproducesoldierstodoourfighting?Shouldweusegeneticforecastingtopre-eliminateunfitbabies?Shouldwegrowreserveorgansforourselveseachofushavingasitwereasavingsbankfullofsparekidneyliversorhands? Wildasthesenotionsmaysoundeveryonehasitsadvocatesandopposersinthescientificcommunityaswellasitsstrikingcommercialapplication.AstwocriticsofgeneticengineeringJeremyRifkinandTedHowardstateintheirbookWhoShouldPlayGod?BroadScalegeneticengineeringwillprobablybeintroducedtoAmericamuchthesamewayasassemblylinesautomobilesvaccinescomputersandalltheothertechnologies.Aseachnewgeneticadvancebecomescommerciallypracticalanewconsumerneedwillbeexploitedandamarketforthenewtechnologywillbecreated. WhatdoseJeremyRifkinandTedHoward’sstatementimply?
FluShotsOrNot? ItsoundedlikeagoodideawhenNewYorkCity’’smayorRudollphGiulianiadvisedNewYorkersrecentlytogetaflushot.Afterall20000Americanseachyeardieofinfluenza.Andthisyearinparticularthemayorsuggestedgettingaflushotmightbeanespeciallygoodideasinceitcouldhelpdoctorsdistinguishbetweenfluandthedeadlyinhalational吸入的formofanthrax炭疽.How?Bothanthraxandfluexhibitstrikinglysimilarsymptoms—feverchillsandmuscleaches—intheearlydaysoftheinfection.Physicianswouldbequicktosuspectanthraxinanyonewhowasvaccinated接种疫苗againstfluandstilldevelopedfeverandchills.Thatwouldgivethemabetterchancetoidentifyanynewvictimsofterrorwhiletheirinfectionwasstillinitsearliestmosttreatablestages. Orsothemayor’’sreasoningwent.Unfortunatelythereareacoupleofproblemswithhislogic.Foronethinggettingvaccinatedagainstinfluenzadoesn’tguaranteeyouwontgetsick.Althoughhighlyeffectivethefluvaccine疫苗protectsagainstonlythedominanttypesofthediseaseandeventhendoesnotprovide100%protection.Ittakesacoupleofweeksforyourbodytorespondtothevaccinewithasufficientnumberofantibodies抗体.EachyearthousandsofAmericanswhogetthevaccineneverthelessstillgettheflu. Therearealsoplentyofreasonsyoumightdevelopfeverchillsandmuscleachesthathavenothingtodowitheitheranthraxorflu.Indeeddoctorsestimatethatmorethan80%ofallflulikeillnesseseachwinterarecausedbyothergroupsofviruses.Gettingvaccinatedagainstflucantprotectyouagainstsufferingfromtheseotherillnesses. Intheworstcaseaskingallhealthyadultstogetvaccinatedcouldactuallyhavetheoppositeeffecttotheoneintendedleadingtoevenmoredeathsifitmeanswerunoutofshotsforthosewhoaremostvulnerabletotheinfection.Alreadytherehavebeendelaysingettingthisyear’’sshipmentofvaccinetoclinicsanddoctors’’offices.Thosewhoshouldbeatthefrontofthelineincludefolkswhoare65oroldernursing-homeresidentsandadultsandchildrenwithchronichealthproblemsaswellasanyonewhocaresfororliveswithsuchpeople.FlushotsarealsoimportantformenandwomenwhoseimmunesystemisweakenedbyHIV艾滋病病毒orotherconditions. Thebestreasontogetthefluvaccineisthatitprotectsagainstmostflus—notthatyou’’reworriedaboutgettinganthrax.Whileinhalationalanthraxhaskilledonlyfivepeoplesofarmanymorecouldbeatriskfromflu-relatedcomplications.There’’snoneedtoworsenthetragedybymakingthisyear’’sinfluenzaepidemicanyworse. Thosewhogetthefluvaccinearesurelyprotectedfromthedisease.
Ifthepopulationkeepsongrowingtherewilleventuallynotbeenoughresourceslefttosupportlifeontheearth.
Hewas{{U}}deceived{{/U}}byhersoftwords.
NewTechniquePromisesEarlierCancerDetection AnewtechniquecouldrevolutionizetheearlydetectionofcancergivingsufferersagreaterchanceofbeatingthediseaseAmericanscientistssaid.ResearchersattheMassachusettsInstituteofTechnologyhavedevisedanovelmethodof【51】changesinthenucleusofcellsintheearlieststagesofthedisease.Morethan85percentofallcancersoriginateintheepithelium上皮thatlinestheinternalsurfacesoforgans【52】thebody.Althoughthesearetreatable【53】theyarediagnosedinoneofthepreventablestagesearlybodydamagesarealmost【54】todetectsaidscientistFeld.Wepresentanewoptical-probe光学探子techniquebasedonlight-scatteringspectroscopy分光镜检查thatisable【55】detectprecancerousandearlycancerouscellsincell-richepitheliaheaddedinastatement. Thenewtechniquereliesonthefact【56】cellnucleichangeintheearlystagesofcancerandthedifferencesscatterlightinacharacteristicway.Untilnowthechangeswereonlydetectable【57】abiopsy活检wastakenthescientistssaid.Thenewtechnique【58】inthesciencejournalNaturecanbeusedinconjunctionwitharoutinecancerscreeningandsurveillancetechniquewhichusesanendoscope内窥镜—aflexibleopticalprobe【59】withcameraswhichisinsertedintoacavityinthebody—tocheck【60】cancers. Thescientistssaidthey【61】theirnewtechniqueinfourdifferentorgansduringroutineendoscopiccancerscreening.Thetipoftheopticalprobewasbroughtintocontactwiththetissuetobetestedandthescatteringoflightwasrecordedwithouttheneedforanytissuetobe【62】thescientistssaid.Ourresultsshowthatlight-scatteringspectroscopyhasthepotentialtodetectpre-cancerousbodydamagesandpreinvasivecancersthroughoutthebody.Thistechniqueshould【63】improvetheefficiencyofcancerscreeningandsurveillancethescientistssaid.Cancerisoneofthebiggest【64】inindustrializedcountries.【65】tofiguresfromtheWorldHealthOrganization10millionpeoplewerediagnosedwiththediseaseworldwidein1997andsixmilliondied.
Idon’tseehowJackputupwithhiswife.
Evenbeforeaninfantisborntinyteetharedevelopingwithinhisgums.
FluShotsOrNot? ItsoundedlikeagoodideawhenNewYorkCity’’smayorRudollphGiulianiadvisedNewYorkersrecentlytogetaflushot.Afterall20000Americanseachyeardieofinfluenza.Andthisyearinparticularthemayorsuggestedgettingaflushotmightbeanespeciallygoodideasinceitcouldhelpdoctorsdistinguishbetweenfluandthedeadlyinhalational吸入的formofanthrax炭疽.How?Bothanthraxandfluexhibitstrikinglysimilarsymptoms—feverchillsandmuscleaches—intheearlydaysoftheinfection.Physicianswouldbequicktosuspectanthraxinanyonewhowasvaccinated接种疫苗againstfluandstilldevelopedfeverandchills.Thatwouldgivethemabetterchancetoidentifyanynewvictimsofterrorwhiletheirinfectionwasstillinitsearliestmosttreatablestages. Orsothemayor’’sreasoningwent.Unfortunatelythereareacoupleofproblemswithhislogic.Foronethinggettingvaccinatedagainstinfluenzadoesn’tguaranteeyouwontgetsick.Althoughhighlyeffectivethefluvaccine疫苗protectsagainstonlythedominanttypesofthediseaseandeventhendoesnotprovide100%protection.Ittakesacoupleofweeksforyourbodytorespondtothevaccinewithasufficientnumberofantibodies抗体.EachyearthousandsofAmericanswhogetthevaccineneverthelessstillgettheflu. Therearealsoplentyofreasonsyoumightdevelopfeverchillsandmuscleachesthathavenothingtodowitheitheranthraxorflu.Indeeddoctorsestimatethatmorethan80%ofallflulikeillnesseseachwinterarecausedbyothergroupsofviruses.Gettingvaccinatedagainstflucantprotectyouagainstsufferingfromtheseotherillnesses. Intheworstcaseaskingallhealthyadultstogetvaccinatedcouldactuallyhavetheoppositeeffecttotheoneintendedleadingtoevenmoredeathsifitmeanswerunoutofshotsforthosewhoaremostvulnerabletotheinfection.Alreadytherehavebeendelaysingettingthisyear’’sshipmentofvaccinetoclinicsanddoctors’’offices.Thosewhoshouldbeatthefrontofthelineincludefolkswhoare65oroldernursing-homeresidentsandadultsandchildrenwithchronichealthproblemsaswellasanyonewhocaresfororliveswithsuchpeople.FlushotsarealsoimportantformenandwomenwhoseimmunesystemisweakenedbyHIV艾滋病病毒orotherconditions. Thebestreasontogetthefluvaccineisthatitprotectsagainstmostflus—notthatyou’’reworriedaboutgettinganthrax.Whileinhalationalanthraxhaskilledonlyfivepeoplesofarmanymorecouldbeatriskfromflu-relatedcomplications.There’’snoneedtoworsenthetragedybymakingthisyear’’sinfluenzaepidemicanyworse. Askingallhealthyadultstogetaflushotmayresultinashortageoftheflushotsforthosewhoaremostvulnerabletotheinfection.
TheGeneIndustry Majorcompaniesarealreadyinpursuitofcommercialapplicationsofthenewbiology.Theydreamofplacingenzymesintheautomobiletomonitorexhaustandsenddataonpollutiontoamicroprocessorthatwillthenadjusttheengine.TheyspeakofwhattheNewYorkTimescallsmetal—hungrymicrobesthatmightbeusedtominevaluabletracemetalsfromoceanwater.Theyhavealreadydemandedandwontherighttopatentnewlifeforms. Nervouscriticsincludingmanyscientistsworrythatthereiscorporatenationalinternationalandinter-scientificrivalryintheentirebiotechnologicalfield.Theycreateimagesnotofoilspillsbutofmicrobespillsthatcouldspreaddiseaseanddestroyentirepopulations.Thecreationandaccidentalreleaseofextremelypoisonousmicrobeshoweverisonlyonecauseforalarm.Completelyrationalandrespectablescientistsaretalkingaboutpossibilitiesthatstaggertheimagination. Shouldwebreedpeoplewithcow-likestomachssotheycandigestgrassandhaytherebyrelievingthefoodproblembymodifyingustoeatlowerdownonthefoodchain?Shouldwebiologicallyalterworkerstofitthejobrequirementforexamplecreatingpilotswithfasterreactiontimesorassembly-lineworkersdesignedtodoourmonotonousworkforus?Shouldweattempttoeliminateinferiorpeopleandbreedasuper-race?Hitlertriedthisbutwithoutthegeneticweaponrythatmaysoonissuefromourlaboratories.Shouldweproducesoldierstodoourfighting?Shouldweusegeneticforecastingtopre-eliminateunfitbabies?Shouldwegrowreserveorgansforourselveseachofushavingasitwereasavingsbankfullofsparekidneyliversorhands? Wildasthesenotionsmaysoundeveryonehasitsadvocatesandopposersinthescientificcommunityaswellasitsstrikingcommercialapplication.AstwocriticsofgeneticengineeringJeremyRifkinandTedHowardstateintheirbookWhoShouldPlayGod?BroadScalegeneticengineeringwillprobablybeintroducedtoAmericamuchthesamewayasassemblylinesautomobilesvaccinescomputersandalltheothertechnologies.Aseachnewgeneticadvancebecomescommerciallypracticalanewconsumerneedwillbeexploitedandamarketforthenewtechnologywillbecreated. Accordingtothepassagetheexhaustfromacarenginecouldprobablybecheckedby______.
FluShotsOrNot? ItsoundedlikeagoodideawhenNewYorkCity’’smayorRudollphGiulianiadvisedNewYorkersrecentlytogetaflushot.Afterall20000Americanseachyeardieofinfluenza.Andthisyearinparticularthemayorsuggestedgettingaflushotmightbeanespeciallygoodideasinceitcouldhelpdoctorsdistinguishbetweenfluandthedeadlyinhalational吸入的formofanthrax炭疽.How?Bothanthraxandfluexhibitstrikinglysimilarsymptoms—feverchillsandmuscleaches—intheearlydaysoftheinfection.Physicianswouldbequicktosuspectanthraxinanyonewhowasvaccinated接种疫苗againstfluandstilldevelopedfeverandchills.Thatwouldgivethemabetterchancetoidentifyanynewvictimsofterrorwhiletheirinfectionwasstillinitsearliestmosttreatablestages. Orsothemayor’’sreasoningwent.Unfortunatelythereareacoupleofproblemswithhislogic.Foronethinggettingvaccinatedagainstinfluenzadoesn’tguaranteeyouwontgetsick.Althoughhighlyeffectivethefluvaccine疫苗protectsagainstonlythedominanttypesofthediseaseandeventhendoesnotprovide100%protection.Ittakesacoupleofweeksforyourbodytorespondtothevaccinewithasufficientnumberofantibodies抗体.EachyearthousandsofAmericanswhogetthevaccineneverthelessstillgettheflu. Therearealsoplentyofreasonsyoumightdevelopfeverchillsandmuscleachesthathavenothingtodowitheitheranthraxorflu.Indeeddoctorsestimatethatmorethan80%ofallflulikeillnesseseachwinterarecausedbyothergroupsofviruses.Gettingvaccinatedagainstflucantprotectyouagainstsufferingfromtheseotherillnesses. Intheworstcaseaskingallhealthyadultstogetvaccinatedcouldactuallyhavetheoppositeeffecttotheoneintendedleadingtoevenmoredeathsifitmeanswerunoutofshotsforthosewhoaremostvulnerabletotheinfection.Alreadytherehavebeendelaysingettingthisyear’’sshipmentofvaccinetoclinicsanddoctors’’offices.Thosewhoshouldbeatthefrontofthelineincludefolkswhoare65oroldernursing-homeresidentsandadultsandchildrenwithchronichealthproblemsaswellasanyonewhocaresfororliveswithsuchpeople.FlushotsarealsoimportantformenandwomenwhoseimmunesystemisweakenedbyHIV艾滋病病毒orotherconditions. Thebestreasontogetthefluvaccineisthatitprotectsagainstmostflus—notthatyou’’reworriedaboutgettinganthrax.Whileinhalationalanthraxhaskilledonlyfivepeoplesofarmanymorecouldbeatriskfromflu-relatedcomplications.There’’snoneedtoworsenthetragedybymakingthisyear’’sinfluenzaepidemicanyworse. QuiteafewNewYorkerstooktheirmayor’srecentadviceandgotaflushot.
TheGeneIndustry Majorcompaniesarealreadyinpursuitofcommercialapplicationsofthenewbiology.Theydreamofplacingenzymesintheautomobiletomonitorexhaustandsenddataonpollutiontoamicroprocessorthatwillthenadjusttheengine.TheyspeakofwhattheNewYorkTimescallsmetal—hungrymicrobesthatmightbeusedtominevaluabletracemetalsfromoceanwater.Theyhavealreadydemandedandwontherighttopatentnewlifeforms. Nervouscriticsincludingmanyscientistsworrythatthereiscorporatenationalinternationalandinter-scientificrivalryintheentirebiotechnologicalfield.Theycreateimagesnotofoilspillsbutofmicrobespillsthatcouldspreaddiseaseanddestroyentirepopulations.Thecreationandaccidentalreleaseofextremelypoisonousmicrobeshoweverisonlyonecauseforalarm.Completelyrationalandrespectablescientistsaretalkingaboutpossibilitiesthatstaggertheimagination. Shouldwebreedpeoplewithcow-likestomachssotheycandigestgrassandhaytherebyrelievingthefoodproblembymodifyingustoeatlowerdownonthefoodchain?Shouldwebiologicallyalterworkerstofitthejobrequirementforexamplecreatingpilotswithfasterreactiontimesorassembly-lineworkersdesignedtodoourmonotonousworkforus?Shouldweattempttoeliminateinferiorpeopleandbreedasuper-race?Hitlertriedthisbutwithoutthegeneticweaponrythatmaysoonissuefromourlaboratories.Shouldweproducesoldierstodoourfighting?Shouldweusegeneticforecastingtopre-eliminateunfitbabies?Shouldwegrowreserveorgansforourselveseachofushavingasitwereasavingsbankfullofsparekidneyliversorhands? Wildasthesenotionsmaysoundeveryonehasitsadvocatesandopposersinthescientificcommunityaswellasitsstrikingcommercialapplication.AstwocriticsofgeneticengineeringJeremyRifkinandTedHowardstateintheirbookWhoShouldPlayGod?BroadScalegeneticengineeringwillprobablybeintroducedtoAmericamuchthesamewayasassemblylinesautomobilesvaccinescomputersandalltheothertechnologies.Aseachnewgeneticadvancebecomescommerciallypracticalanewconsumerneedwillbeexploitedandamarketforthenewtechnologywillbecreated. WhichofthefollowingnotionsisNOTmentioned?
Vending Vendingissuchanup-to-dateconceptinprovidingproductswhereandwhencustomerswantthemthatitishardtobelievethatitmadeitsfirstappearanceinEgyptianTemplesbackin215B.C. Vendinghasbenefitedfromthatlonghistoryandisnowpoisedtomeettheneedsofthe21stcenturyconsumer. Currentdaypressuresmeanthatwearealltime-starvedandthereadyavailabilityofadrinkandasnackattherighttemperaturejustwherewewant.Itistheconvenientluxurythathelpstokeepstressatbayandprovidesafewmoreminutesatthedeskorinthegym. Atworkthoseextraminutesspentmakingteaorcoffeebyhandreallyaddup.ResearchconductedbytheNOPNationalOpinionPollfortheAssociationshowedthattheaveragetimespentonthisbyemployeesoverandaboveformallunchandteabreaksis45minutesperday.Thatequatestoafirmemploying50peoplelosingupto37maneverydayarealholeinproductivity! It’’snotjustintheworkplacethoughthatthebenefitsofvendingcanbeenjoyed.Moreandmoremajorhouseholdbrandsareseeingvendingasanidealroutetothecustomerfortheirproductsbecausethevendingmachinecanbetrustedtobereadytoservewheneverthereisademand.Machinesarenowfamiliarsightsatairportsgarageforecourtsleisuresitesrailwaystationsandanywhereelsethatpeoplegatherallowingconsumerstoputtogetheraninstantpicnic. It’’snosurprisethereforethatconsumersarecurrentlyspendingattherateofsome£1billionperyearthroughtheslotsofvendingmachinesnowthat10milliondrinksarevendedintocupseveryday. Oneoftheadvantagesofvendingisthat______.
Nursesshouldgivereassurancethat{{U}}secrecy{{/U}}willbemaintained.
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. AccordingtothepassagethealarmingincreaseintherateofdiabetesamongchildrenintheUKmaypartlybeexplainedbytherisein______.
Thecartsarepaintedto{{U}}correspond{{/U}}tothethemedareatheyareusedin.
NewTechniquePromisesEarlierCancerDetection AnewtechniquecouldrevolutionizetheearlydetectionofcancergivingsufferersagreaterchanceofbeatingthediseaseAmericanscientistssaid.ResearchersattheMassachusettsInstituteofTechnologyhavedevisedanovelmethodof【51】changesinthenucleusofcellsintheearlieststagesofthedisease.Morethan85percentofallcancersoriginateintheepithelium上皮thatlinestheinternalsurfacesoforgans【52】thebody.Althoughthesearetreatable【53】theyarediagnosedinoneofthepreventablestagesearlybodydamagesarealmost【54】todetectsaidscientistFeld.Wepresentanewoptical-probe光学探子techniquebasedonlight-scatteringspectroscopy分光镜检查thatisable【55】detectprecancerousandearlycancerouscellsincell-richepitheliaheaddedinastatement. Thenewtechniquereliesonthefact【56】cellnucleichangeintheearlystagesofcancerandthedifferencesscatterlightinacharacteristicway.Untilnowthechangeswereonlydetectable【57】abiopsy活检wastakenthescientistssaid.Thenewtechnique【58】inthesciencejournalNaturecanbeusedinconjunctionwitharoutinecancerscreeningandsurveillancetechniquewhichusesanendoscope内窥镜—aflexibleopticalprobe【59】withcameraswhichisinsertedintoacavityinthebody—tocheck【60】cancers. Thescientistssaidthey【61】theirnewtechniqueinfourdifferentorgansduringroutineendoscopiccancerscreening.Thetipoftheopticalprobewasbroughtintocontactwiththetissuetobetestedandthescatteringoflightwasrecordedwithouttheneedforanytissuetobe【62】thescientistssaid.Ourresultsshowthatlight-scatteringspectroscopyhasthepotentialtodetectpre-cancerousbodydamagesandpreinvasivecancersthroughoutthebody.Thistechniqueshould【63】improvetheefficiencyofcancerscreeningandsurveillancethescientistssaid.Cancerisoneofthebiggest【64】inindustrializedcountries.【65】tofiguresfromtheWorldHealthOrganization10millionpeoplewerediagnosedwiththediseaseworldwidein1997andsixmilliondied.
热门题库
更多
中石油职称英语
理工类
卫生类
综合类
国际货运代理师
报关水平测试
报检员
物流员(四级)
助理物流师(三级)
物流师(二级)
高级物流师(一级)
物流案例分析
单证员基础理论与知识
单证员缮制与操作
国际货运代理理论与实务
外贸综合业务