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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______.
NaturalHealthCare Naturalhealthcareisaphilosophyandasetofprinciplesandpracticesbasedonsciencethatleadtoanextraordinarylevelofpersonalhealthandhappiness. Itrecognizestheunityofalllifeandholdsthatphysicalmentalandemotionalhealthcannotbeseparatedandthatpersonalhealthenvironmentalhealthandcommunityhealtharepartsofawhole.Naturalhygiene卫生学teachesthatthebestwaytoachievebesthealthisrightliving—developingself-esteemandapositiveattitudetowardslife;eatingfreshwholenaturalfoods;exercisingregularly;gettingplentyofrestandsleep;gettingplentyoffreshairandsunshine;learningtohandlestress;andavoidingallnegativeinfluencesoflife. Basicprinciples:Naturalhealthcareisuniqueinitsargumentthathealthisnormal—assimpleaslivinginharmonywithnature.Healthanddiseaseareacontinuum连续统一体—thesamephysiological生理的lawsgovernthebodyinsicknessandinhealth.Healing康复isabiologicalprocess—exceptinextraordinarycircumstanceshealingistheresultofactionsundertakenbythebodyonitsownbehalf. Thetraditionofnaturalhealthcare:ThetraditionalprinciplesofnaturalhygieneareexplainedbyHerbertM.SheltoninhisNaturalHygiene:ThePlainWayofLife.Sheltonwrites:Itshouldnotrequireargumenttoconvinceintelligentmenandwomenthatmancanreturntohealthandstrengthonlyuponabasisoflawnaturallawspecificallyuponabasisofthoselawsthatoperatetomakehumanlifepossible.Alllawsessentialtothewelfareofmanarewritteninhisownconstitution.Everyruleofhumanconducttobevaluedinpromotinghumanwelfareandhappinessmustbeinharmonywithhisnature.Nolawnosocialcustomnomoralprinciplecanhaveanyvalidity有效性formanthatdoesnotagreewithhishighestwelfare.Ifitisnotcloselyrelatedtoman’’shighestphysicalmoralandintellectualfitnessitcannotbeconsistentwithhishighestidealsoftruthdutyandenjoyment. WhichofthefollowingisNOTmentionedasanexampleofrightliving?
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.
Thepolicemancautionedusabouttheicyroadsaftertheheavysnowfalllastnight.
Interferon Forseveralyearsscientistshavebeentestingasubstancecalledinterferon干扰素apotentialwonderdrugthatisprovingtobeeffectiveintreatingavarietyofailmentsincludingvirusinfectionsbacteriainfectionsandtumors.Todatethenewdrughasprovokednonegativereactionofsufficientsignificancetodiscourageitsuse.Butinspiteofitssuccesslastyearonlyonegramwasproducedintheentireworld. Thereasonforthescarcityliesinthestructureofinterferon.Aspeciesspecificproteintheinterferonproducedfromoneanimalspeciescannotbeusedintreatinganotheranimalspecies.Inotherwordstotreathumanbeingsonlyinterferonproducedbyhumanbeingsmaybeused.Thedrugisproducedbyinfectingwhitebloodcellswithavirus.Fortunatelyitissopotentthattheamountgiveneachpatientperinjectionisverysmall. Unlikeantibiotics抗菌素interferondoesnotattackgermsdirectly.Insteaditmakesunaffectedcellsresistanttoinfectionandpreventsthemultiplicationofviruseswithincells. Asyoumightconcludeoneofthemostdramaticusesofinterferonhasbeeninthetreatmentofcancer.Dr.HansStranderresearchphysicianatSweden’’sfamousKarolinskaInstitutehastreatedmorethanonehundredcancerpatientswiththenewdrug.Amongagroupofselectedpatientswhohadundergonesurgicalproceduresforadvancedcancerhalfweregivenconventionaltreatmentsandtheotherhalfweregiveninterferon.Thesurvivalrateoverathree-yearperiodwas70percentamongthosewhoweretreatedwithinterferonascomparedwithonly10to30percentamongthosewhohadreceivedtheconventionaltreatments. IntheUnitedStatesalarge-scaleprojectsupportedbytheAmericanCancerSocietyisnowunderway.Iftheexperimentissuccessfulinterferoncouldbecomeoneofthegreatestmedicaldiscoveriesofourtime. Theeffectinterferonhasoninfectionisthatitkeepshealthycellsfrombecominginfected.
MaleandFemalepilotscauseaccidentsdifferently MalepilotsflyinggeneralaviationprivateaircraftintheUnitedStatesaremorelikelytocrashduetoinattentionorflaweddecisionmakingwhilefemalepilotsaremorelikelytocrashfrommishandlingtheaircraft.ThesearetheresultsofastudybyresearchersattheJohnsHopkinsUniversityBloombergSchoolofPublicHealth. Thestudyidentifiesthedifferencesbetweenmaleandfemalepilotsintermsofcircumstancesofthecrashandthetypeofpilotserrorinvolved.Crashesofgeneralaviationaircraftaccountfor85percentofallaviationdeathsintheUnitedStates.ThecrashrateformalepilotsasformotorvehicledriversexceedsthatofcrashesoffemalepilotsexplainsSusanP.BakerMPHprofessorofhealthpolicyandmanagementattheBloombergSchoolofPublicHealth.Becausepilotyouthandinexperienceareestablishedcontributorstoaviationcrasheswefocusedononlymaturepilotstodeterminethegenderdifferencesinthereasonsforthecrash. Theresearchersextracteddataforthisstudyfromalargeresearchprojectonpilotagingandflightsafety.Thedataweregatheredfromgeneralaviationcrashesofairplanesandhelicoptersbetween1983and1997involving144femalepilotsand267malepilotsaged40-63.Femalepilotswerematchedwithmalepilotsina1:2ratiobyageclassesofmedicalandpilotcertificatesstateorareaofcrashandyearofcrash.Thenthecircumstancesofthecrashesandthepiloterrorinvolvedwerecategorizedandcodedwithoutknowledgeofpilotgender. Theresearchersfoundthatlossofcontrolonlandingortakeoffwasthemostcommoncircumstanceforbothsexesleadingto59percentoffemalepilots’crashesand36percentofmales’’.Experiencingmechanicalfailurerunningoutoffuelandlandingtheplanewiththelandinggearupwereamongthefactorsmorelikelywithmaleswhilestallingwasmorelikelywithfemales. Themajorityofthecrashes—95percentforfemalesand88percentformales—involvedatleastonetypeofpiloterror.Mishandlingaircraftkineticswasthemostcommonerrorforbothsexesbutwasmorecommonamongfemalesaccountingfor81percentofthecrashesthanmalesaccountingfor48percent.Maleshoweverappearedmorelikelytobeguiltyofpoordecision-makingrisk-takingandinattentivenessexamplesofwhichincludemisjudgingweatherandvisibilityorflyinganaircraftwithaknowndefect.Femalesthoughmorelikelytomishandleorlosecontroloftheaircraftweregenerallymorecarefulthantheirmalecounterparts. inattention/n.疏忽 aviation/n.航空 flawed/adj.有缺陷的 mishandle/v.瞎弄乱处理 MPHMasterofPublicHealth公共卫生硕士 gender/n.性性别 runout耗尽用完 stallv.飞机失速发动机熄火 kinetics/n.动力学 Howdidtheresearcherscarryouttheirstudy?
Interferon Forseveralyearsscientistshavebeentestingasubstancecalledinterferon干扰素apotentialwonderdrugthatisprovingtobeeffectiveintreatingavarietyofailmentsincludingvirusinfectionsbacteriainfectionsandtumors.Todatethenewdrughasprovokednonegativereactionofsufficientsignificancetodiscourageitsuse.Butinspiteofitssuccesslastyearonlyonegramwasproducedintheentireworld. Thereasonforthescarcityliesinthestructureofinterferon.Aspeciesspecificproteintheinterferonproducedfromoneanimalspeciescannotbeusedintreatinganotheranimalspecies.Inotherwordstotreathumanbeingsonlyinterferonproducedbyhumanbeingsmaybeused.Thedrugisproducedbyinfectingwhitebloodcellswithavirus.Fortunatelyitissopotentthattheamountgiveneachpatientperinjectionisverysmall. Unlikeantibiotics抗菌素interferondoesnotattackgermsdirectly.Insteaditmakesunaffectedcellsresistanttoinfectionandpreventsthemultiplicationofviruseswithincells. Asyoumightconcludeoneofthemostdramaticusesofinterferonhasbeeninthetreatmentofcancer.Dr.HansStranderresearchphysicianatSweden’’sfamousKarolinskaInstitutehastreatedmorethanonehundredcancerpatientswiththenewdrug.Amongagroupofselectedpatientswhohadundergonesurgicalproceduresforadvancedcancerhalfweregivenconventionaltreatmentsandtheotherhalfweregiveninterferon.Thesurvivalrateoverathree-yearperiodwas70percentamongthosewhoweretreatedwithinterferonascomparedwithonly10to30percentamongthosewhohadreceivedtheconventionaltreatments. IntheUnitedStatesalarge-scaleprojectsupportedbytheAmericanCancerSocietyisnowunderway.Iftheexperimentissuccessfulinterferoncouldbecomeoneofthegreatestmedicaldiscoveriesofourtime. 21Interferoncauseshealthycellstogrow.
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.
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?
MaleandFemalepilotscauseaccidentsdifferently MalepilotsflyinggeneralaviationprivateaircraftintheUnitedStatesaremorelikelytocrashduetoinattentionorflaweddecisionmakingwhilefemalepilotsaremorelikelytocrashfrommishandlingtheaircraft.ThesearetheresultsofastudybyresearchersattheJohnsHopkinsUniversityBloombergSchoolofPublicHealth. Thestudyidentifiesthedifferencesbetweenmaleandfemalepilotsintermsofcircumstancesofthecrashandthetypeofpilotserrorinvolved.Crashesofgeneralaviationaircraftaccountfor85percentofallaviationdeathsintheUnitedStates.ThecrashrateformalepilotsasformotorvehicledriversexceedsthatofcrashesoffemalepilotsexplainsSusanP.BakerMPHprofessorofhealthpolicyandmanagementattheBloombergSchoolofPublicHealth.Becausepilotyouthandinexperienceareestablishedcontributorstoaviationcrasheswefocusedononlymaturepilotstodeterminethegenderdifferencesinthereasonsforthecrash. Theresearchersextracteddataforthisstudyfromalargeresearchprojectonpilotagingandflightsafety.Thedataweregatheredfromgeneralaviationcrashesofairplanesandhelicoptersbetween1983and1997involving144femalepilotsand267malepilotsaged40-63.Femalepilotswerematchedwithmalepilotsina1:2ratiobyageclassesofmedicalandpilotcertificatesstateorareaofcrashandyearofcrash.Thenthecircumstancesofthecrashesandthepiloterrorinvolvedwerecategorizedandcodedwithoutknowledgeofpilotgender. Theresearchersfoundthatlossofcontrolonlandingortakeoffwasthemostcommoncircumstanceforbothsexesleadingto59percentoffemalepilots’crashesand36percentofmales’’.Experiencingmechanicalfailurerunningoutoffuelandlandingtheplanewiththelandinggearupwereamongthefactorsmorelikelywithmaleswhilestallingwasmorelikelywithfemales. Themajorityofthecrashes—95percentforfemalesand88percentformales—involvedatleastonetypeofpiloterror.Mishandlingaircraftkineticswasthemostcommonerrorforbothsexesbutwasmorecommonamongfemalesaccountingfor81percentofthecrashesthanmalesaccountingfor48percent.Maleshoweverappearedmorelikelytobeguiltyofpoordecision-makingrisk-takingandinattentivenessexamplesofwhichincludemisjudgingweatherandvisibilityorflyinganaircraftwithaknowndefect.Femalesthoughmorelikelytomishandleorlosecontroloftheaircraftweregenerallymorecarefulthantheirmalecounterparts. inattention/n.疏忽 aviation/n.航空 flawed/adj.有缺陷的 mishandle/v.瞎弄乱处理 MPHMasterofPublicHealth公共卫生硕士 gender/n.性性别 runout耗尽用完 stallv.飞机失速发动机熄火 kinetics/n.动力学 WhatistheresearchatJohnsHopkinsUniversityabout?
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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?
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.
NaturalHealthCare Naturalhealthcareisaphilosophyandasetofprinciplesandpracticesbasedonsciencethatleadtoanextraordinarylevelofpersonalhealthandhappiness. Itrecognizestheunityofalllifeandholdsthatphysicalmentalandemotionalhealthcannotbeseparatedandthatpersonalhealthenvironmentalhealthandcommunityhealtharepartsofawhole.Naturalhygiene卫生学teachesthatthebestwaytoachievebesthealthisrightliving—developingself-esteemandapositiveattitudetowardslife;eatingfreshwholenaturalfoods;exercisingregularly;gettingplentyofrestandsleep;gettingplentyoffreshairandsunshine;learningtohandlestress;andavoidingallnegativeinfluencesoflife. Basicprinciples:Naturalhealthcareisuniqueinitsargumentthathealthisnormal—assimpleaslivinginharmonywithnature.Healthanddiseaseareacontinuum连续统一体—thesamephysiological生理的lawsgovernthebodyinsicknessandinhealth.Healing康复isabiologicalprocess—exceptinextraordinarycircumstanceshealingistheresultofactionsundertakenbythebodyonitsownbehalf. Thetraditionofnaturalhealthcare:ThetraditionalprinciplesofnaturalhygieneareexplainedbyHerbertM.SheltoninhisNaturalHygiene:ThePlainWayofLife.Sheltonwrites:Itshouldnotrequireargumenttoconvinceintelligentmenandwomenthatmancanreturntohealthandstrengthonlyuponabasisoflawnaturallawspecificallyuponabasisofthoselawsthatoperatetomakehumanlifepossible.Alllawsessentialtothewelfareofmanarewritteninhisownconstitution.Everyruleofhumanconducttobevaluedinpromotinghumanwelfareandhappinessmustbeinharmonywithhisnature.Nolawnosocialcustomnomoralprinciplecanhaveanyvalidity有效性formanthatdoesnotagreewithhishighestwelfare.Ifitisnotcloselyrelatedtoman’’shighestphysicalmoralandintellectualfitnessitcannotbeconsistentwithhishighestidealsoftruthdutyandenjoyment. InShelton’seyestryingtoconvinceintelligentpeoplethatmancanreturntohealthonlyonabasisofnaturallaw______.
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.
Beingcolleaguesfortenyearstheyhavebecomeintimatefriends.
Interferon Forseveralyearsscientistshavebeentestingasubstancecalledinterferon干扰素apotentialwonderdrugthatisprovingtobeeffectiveintreatingavarietyofailmentsincludingvirusinfectionsbacteriainfectionsandtumors.Todatethenewdrughasprovokednonegativereactionofsufficientsignificancetodiscourageitsuse.Butinspiteofitssuccesslastyearonlyonegramwasproducedintheentireworld. Thereasonforthescarcityliesinthestructureofinterferon.Aspeciesspecificproteintheinterferonproducedfromoneanimalspeciescannotbeusedintreatinganotheranimalspecies.Inotherwordstotreathumanbeingsonlyinterferonproducedbyhumanbeingsmaybeused.Thedrugisproducedbyinfectingwhitebloodcellswithavirus.Fortunatelyitissopotentthattheamountgiveneachpatientperinjectionisverysmall. Unlikeantibiotics抗菌素interferondoesnotattackgermsdirectly.Insteaditmakesunaffectedcellsresistanttoinfectionandpreventsthemultiplicationofviruseswithincells. Asyoumightconcludeoneofthemostdramaticusesofinterferonhasbeeninthetreatmentofcancer.Dr.HansStranderresearchphysicianatSweden’’sfamousKarolinskaInstitutehastreatedmorethanonehundredcancerpatientswiththenewdrug.Amongagroupofselectedpatientswhohadundergonesurgicalproceduresforadvancedcancerhalfweregivenconventionaltreatmentsandtheotherhalfweregiveninterferon.Thesurvivalrateoverathree-yearperiodwas70percentamongthosewhoweretreatedwithinterferonascomparedwithonly10to30percentamongthosewhohadreceivedtheconventionaltreatments. IntheUnitedStatesalarge-scaleprojectsupportedbytheAmericanCancerSocietyisnowunderway.Iftheexperimentissuccessfulinterferoncouldbecomeoneofthegreatestmedicaldiscoveriesofourtime. Interferonhasnotbeenwidelyusedbecauseitisstillverydangerous.
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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.
Thebossputgreatstressontheworkerssothattheycouldworkharder.
Hispronunciationissimplyterrible.
WecanrelyonJamestocarryoutthismissionforhisjudgementisalwayssound.
MaleandFemalepilotscauseaccidentsdifferently MalepilotsflyinggeneralaviationprivateaircraftintheUnitedStatesaremorelikelytocrashduetoinattentionorflaweddecisionmakingwhilefemalepilotsaremorelikelytocrashfrommishandlingtheaircraft.ThesearetheresultsofastudybyresearchersattheJohnsHopkinsUniversityBloombergSchoolofPublicHealth. Thestudyidentifiesthedifferencesbetweenmaleandfemalepilotsintermsofcircumstancesofthecrashandthetypeofpilotserrorinvolved.Crashesofgeneralaviationaircraftaccountfor85percentofallaviationdeathsintheUnitedStates.ThecrashrateformalepilotsasformotorvehicledriversexceedsthatofcrashesoffemalepilotsexplainsSusanP.BakerMPHprofessorofhealthpolicyandmanagementattheBloombergSchoolofPublicHealth.Becausepilotyouthandinexperienceareestablishedcontributorstoaviationcrasheswefocusedononlymaturepilotstodeterminethegenderdifferencesinthereasonsforthecrash. Theresearchersextracteddataforthisstudyfromalargeresearchprojectonpilotagingandflightsafety.Thedataweregatheredfromgeneralaviationcrashesofairplanesandhelicoptersbetween1983and1997involving144femalepilotsand267malepilotsaged40-63.Femalepilotswerematchedwithmalepilotsina1:2ratiobyageclassesofmedicalandpilotcertificatesstateorareaofcrashandyearofcrash.Thenthecircumstancesofthecrashesandthepiloterrorinvolvedwerecategorizedandcodedwithoutknowledgeofpilotgender. Theresearchersfoundthatlossofcontrolonlandingortakeoffwasthemostcommoncircumstanceforbothsexesleadingto59percentoffemalepilots’crashesand36percentofmales’’.Experiencingmechanicalfailurerunningoutoffuelandlandingtheplanewiththelandinggearupwereamongthefactorsmorelikelywithmaleswhilestallingwasmorelikelywithfemales. Themajorityofthecrashes—95percentforfemalesand88percentformales—involvedatleastonetypeofpiloterror.Mishandlingaircraftkineticswasthemostcommonerrorforbothsexesbutwasmorecommonamongfemalesaccountingfor81percentofthecrashesthanmalesaccountingfor48percent.Maleshoweverappearedmorelikelytobeguiltyofpoordecision-makingrisk-takingandinattentivenessexamplesofwhichincludemisjudgingweatherandvisibilityorflyinganaircraftwithaknowndefect.Femalesthoughmorelikelytomishandleorlosecontroloftheaircraftweregenerallymorecarefulthantheirmalecounterparts. inattention/n.疏忽 aviation/n.航空 flawed/adj.有缺陷的 mishandle/v.瞎弄乱处理 MPHMasterofPublicHealth公共卫生硕士 gender/n.性性别 runout耗尽用完 stallv.飞机失速发动机熄火 kinetics/n.动力学 Inthecomparisonoffemaleandmalepilots______.
Idon’tseehowJackputupwithhiswife.
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