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Richard Wagner Richard Wagner (1813 ~ 1883) is regarded by many ...
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Experimentsenableyoungscientiststojudgeaccuratelywhatmustbeacceptedandwhatmustbeviewedwithsuspicion.
CigarsInstead? Smokingoneortwocigarsadaydoublestheriskofcancersoftheliptonguemouthandthroataccordingtoagovernmentstudy. DailycigarsalsoincreasetheriskoflungcancerandcanceroftheesophagusandincreasetheriskofcancerofthelarynxvoiceboxsixfoldsayresearchersattheNationalCancerInstituteinBethesdaMaryland. Inadditionthereportrevealedthatsmokingthreeorfourcigarsadayincreasedtheriskoforalcancerto8.5timestheriskfornonsmokersandtheriskofesophagealcancerbyfourtimestheriskofnonsmokers. ThehealtheffectsofsmokingcigarsisoneofeightsectionsofthearticleCigars:HealthEffectsandTrends.Theresearchersreportthatcomparedwithacigarettealargecigaremitsupto90timesasmuchcarcinogenictobacco-specificnitrosamines ThisarticleprovidesclearandinvaluableinformationaboutthedisturbingincreaseincigaruseandthesignificantpublichealthconsequencesforthecountrysaidDr.RichardKlausnerdirectoroftheNationalCancerInstituteinastatement. Thedataareclear-theharmfulsubstancesandcarcinogensincigarsmokelikecigarettesareassociatedwiththeincreasedrisksofseveralkindsofcancersaswellasheartandlungdiseasesheadded.Inotherwordscigarsarenotsafealternativestocigarettesandmaybeaddictive. Tothoseindividualswhomaybethinkingaboutsmokingcigarsouradvicesis—don’’t.TothosecurrentlysmokingcigarsquittingistheonlywaytoeliminatecompletelythecancerheartandlungdiseaseriskswarnedKlausner. AccordingtoaNationalCancerInstitutepressreleasetherehaven’’tbeenanystudiesonthehealtheffectsonnonsmokersatcigarsocialeventsbut...asignificantbodyofevidenceclearlydemonstratesanincreasedlungcancerriskfromsecondhandsmoke. Whatisthedoctors’advicetothosecigar-smokers?
Dyslexia Asmanyas20%ofallchildrenintheUnitedStatessufferfromsomeformofthelearningdisorder2calleddyslexia. Expertsondyslexiasaythattheproblemisnotadisease.Theysaythatpersonswithdyslexiauseinformationinadifferentway.Oneoftheworldsgreatthinkersandscientists.AlbertEinsteinwasdyslexic.Einsteinsaidthatheneverthoughtinwordsthewaythatmostpeopledo.Hesaidthathethoughtinpicturesinstead. TheAmericaninventorThomasEdisonwasalsodyslexic.DyslexiafirstwasrecognizedinEuropeandtheUnitedStatesmorethan80yearsago.Manyyearspassedbeforedoctorsdiscoveredthatpersonswiththedisorderwerenotmentallyslowordisabled.Thedoctorsfoundthatthebrainsofpersonswithdyslexiaaredifferent. Inmostpeopletheleftsideofthebrain—thepartthatcontrolslanguageislargerthantherightside.Inpersonswithdyslexiatherightsideofthebrainisbigger.Doctorsarenotsurewhatcausesthisdifference.Howeverresearchhasshownthatdyslexiaismorecommoninmalesthaninfemalesanditisfoundmoreofteninpersonswhoarelefthanded4.Nooneknowsthecauseofdyslexiabutsomescientistsbelievethatitmayresultfromchemicalchangesinababy’’sbodylongbeforeitisborn.Theyaretryingtofindwaystoteachpersonswithdyslexia.Dyslexicpersonsthinkdifferentlyandneedspecialkindsofteachinghelp.Aftertheyhavesolvedtheirproblemswithlanguagetheyoftenshowthemselvestobeespeciallyintelligentorcreative. Dyslexicpeopleoftenturnouttobeintelligentorcreativeonetheyhavelearnedtohandlelanguageproperly.
RichardWagner RichardWagner1813~1883isregardedbymany【51】TheRevolutionistofOperawhodemolishedalloldformsandwhoreconstructedthemusicdrama【52】principlesentirelyhisown.Inthestrictest【53】thisbeliefisnotjustifiedforWagnersimplyreturnedtotheoldestversionofthemusicdrama.HefoundthattheidealconstructionoftheoperainFlorencehadbeentoproduceworkinwhichthemusicdramaandinterpretationshouldbe【54】equalimportance.WagnerstudiedthechangesandabuseswhichGluckhad【55】correctandfoundthattheopera【56】ofthenineteenthcenturyhad【57】backintomanyoftheoldcustomswiththeresultthattherewasnolongeracomplete【58】ofthethreefundamentalsofopera. WagnertellsusinhisautobiographythathisearlylifewasinfluencedbythedramasofShakespearthesymphoniesofBeethovenandtheoperasofVonWeber.HisfirstoperaswereconstructedonthelinesoftheFrenchgrandopera.Thefirsttwowereabsolutefailuresbutwiththe【59】ofRienziin1842Wagnerwasproclaimedtheequalifnotthesuperior【60】BelliniDonizettiandMeyerbeer.Inthewritingofthisworkhehaddiscoveredthedramaticabsurditiesoftheform【61】inhisnextworkTheFlyingDutchmanheattemptedhisfirstimportantuseoftheleitmotiforcharacteristic【62】forhisdifferentpersonagesandalsousedthesethemesinanticipationoftheadventofhischaractersinamannerhelaterdescribedasmakingtheaudienceapartofthebeing.【63】hiswaytoDresdentoconductRienziWagnervisitedtheWartburgCastleandtherehebecamefamiliar【64】thelegendarystorieswhichheusedinallhislaterworks.TannhausergivesanactualdescriptionoftheMinnesingerKnightswhoinspiredWagner【65】TeutonicversionsofTheRingoftheNibelungsLohengrinTristanandIsoldeandParsifal.
RichardWagner RichardWagner1813~1883isregardedbymany【51】TheRevolutionistofOperawhodemolishedalloldformsandwhoreconstructedthemusicdrama【52】principlesentirelyhisown.Inthestrictest【53】thisbeliefisnotjustifiedforWagnersimplyreturnedtotheoldestversionofthemusicdrama.HefoundthattheidealconstructionoftheoperainFlorencehadbeentoproduceworkinwhichthemusicdramaandinterpretationshouldbe【54】equalimportance.WagnerstudiedthechangesandabuseswhichGluckhad【55】correctandfoundthattheopera【56】ofthenineteenthcenturyhad【57】backintomanyoftheoldcustomswiththeresultthattherewasnolongeracomplete【58】ofthethreefundamentalsofopera. WagnertellsusinhisautobiographythathisearlylifewasinfluencedbythedramasofShakespearthesymphoniesofBeethovenandtheoperasofVonWeber.HisfirstoperaswereconstructedonthelinesoftheFrenchgrandopera.Thefirsttwowereabsolutefailuresbutwiththe【59】ofRienziin1842Wagnerwasproclaimedtheequalifnotthesuperior【60】BelliniDonizettiandMeyerbeer.Inthewritingofthisworkhehaddiscoveredthedramaticabsurditiesoftheform【61】inhisnextworkTheFlyingDutchmanheattemptedhisfirstimportantuseoftheleitmotiforcharacteristic【62】forhisdifferentpersonagesandalsousedthesethemesinanticipationoftheadventofhischaractersinamannerhelaterdescribedasmakingtheaudienceapartofthebeing.【63】hiswaytoDresdentoconductRienziWagnervisitedtheWartburgCastleandtherehebecamefamiliar【64】thelegendarystorieswhichheusedinallhislaterworks.TannhausergivesanactualdescriptionoftheMinnesingerKnightswhoinspiredWagner【65】TeutonicversionsofTheRingoftheNibelungsLohengrinTristanandIsoldeandParsifal.
DuringtheUnitedStatesCivilwarmanypeopleinthesouthwereforcedtofleetheirhome.
Highpaymayenhanceproductivity.
Manyeconomistshavegivenintothefatallureofmathematics.
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?
RichardWagner RichardWagner1813~1883isregardedbymany【51】TheRevolutionistofOperawhodemolishedalloldformsandwhoreconstructedthemusicdrama【52】principlesentirelyhisown.Inthestrictest【53】thisbeliefisnotjustifiedforWagnersimplyreturnedtotheoldestversionofthemusicdrama.HefoundthattheidealconstructionoftheoperainFlorencehadbeentoproduceworkinwhichthemusicdramaandinterpretationshouldbe【54】equalimportance.WagnerstudiedthechangesandabuseswhichGluckhad【55】correctandfoundthattheopera【56】ofthenineteenthcenturyhad【57】backintomanyoftheoldcustomswiththeresultthattherewasnolongeracomplete【58】ofthethreefundamentalsofopera. WagnertellsusinhisautobiographythathisearlylifewasinfluencedbythedramasofShakespearthesymphoniesofBeethovenandtheoperasofVonWeber.HisfirstoperaswereconstructedonthelinesoftheFrenchgrandopera.Thefirsttwowereabsolutefailuresbutwiththe【59】ofRienziin1842Wagnerwasproclaimedtheequalifnotthesuperior【60】BelliniDonizettiandMeyerbeer.Inthewritingofthisworkhehaddiscoveredthedramaticabsurditiesoftheform【61】inhisnextworkTheFlyingDutchmanheattemptedhisfirstimportantuseoftheleitmotiforcharacteristic【62】forhisdifferentpersonagesandalsousedthesethemesinanticipationoftheadventofhischaractersinamannerhelaterdescribedasmakingtheaudienceapartofthebeing.【63】hiswaytoDresdentoconductRienziWagnervisitedtheWartburgCastleandtherehebecamefamiliar【64】thelegendarystorieswhichheusedinallhislaterworks.TannhausergivesanactualdescriptionoftheMinnesingerKnightswhoinspiredWagner【65】TeutonicversionsofTheRingoftheNibelungsLohengrinTristanandIsoldeandParsifal.
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.
RichardWagner RichardWagner1813~1883isregardedbymany【51】TheRevolutionistofOperawhodemolishedalloldformsandwhoreconstructedthemusicdrama【52】principlesentirelyhisown.Inthestrictest【53】thisbeliefisnotjustifiedforWagnersimplyreturnedtotheoldestversionofthemusicdrama.HefoundthattheidealconstructionoftheoperainFlorencehadbeentoproduceworkinwhichthemusicdramaandinterpretationshouldbe【54】equalimportance.WagnerstudiedthechangesandabuseswhichGluckhad【55】correctandfoundthattheopera【56】ofthenineteenthcenturyhad【57】backintomanyoftheoldcustomswiththeresultthattherewasnolongeracomplete【58】ofthethreefundamentalsofopera. WagnertellsusinhisautobiographythathisearlylifewasinfluencedbythedramasofShakespearthesymphoniesofBeethovenandtheoperasofVonWeber.HisfirstoperaswereconstructedonthelinesoftheFrenchgrandopera.Thefirsttwowereabsolutefailuresbutwiththe【59】ofRienziin1842Wagnerwasproclaimedtheequalifnotthesuperior【60】BelliniDonizettiandMeyerbeer.Inthewritingofthisworkhehaddiscoveredthedramaticabsurditiesoftheform【61】inhisnextworkTheFlyingDutchmanheattemptedhisfirstimportantuseoftheleitmotiforcharacteristic【62】forhisdifferentpersonagesandalsousedthesethemesinanticipationoftheadventofhischaractersinamannerhelaterdescribedasmakingtheaudienceapartofthebeing.【63】hiswaytoDresdentoconductRienziWagnervisitedtheWartburgCastleandtherehebecamefamiliar【64】thelegendarystorieswhichheusedinallhislaterworks.TannhausergivesanactualdescriptionoftheMinnesingerKnightswhoinspiredWagner【65】TeutonicversionsofTheRingoftheNibelungsLohengrinTristanandIsoldeandParsifal.
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.
TheDepartmentofResourcesnotifiedthetowncouncilthatthewatersupplywascontaminated.
RichardWagner RichardWagner1813~1883isregardedbymany【51】TheRevolutionistofOperawhodemolishedalloldformsandwhoreconstructedthemusicdrama【52】principlesentirelyhisown.Inthestrictest【53】thisbeliefisnotjustifiedforWagnersimplyreturnedtotheoldestversionofthemusicdrama.HefoundthattheidealconstructionoftheoperainFlorencehadbeentoproduceworkinwhichthemusicdramaandinterpretationshouldbe【54】equalimportance.WagnerstudiedthechangesandabuseswhichGluckhad【55】correctandfoundthattheopera【56】ofthenineteenthcenturyhad【57】backintomanyoftheoldcustomswiththeresultthattherewasnolongeracomplete【58】ofthethreefundamentalsofopera. WagnertellsusinhisautobiographythathisearlylifewasinfluencedbythedramasofShakespearthesymphoniesofBeethovenandtheoperasofVonWeber.HisfirstoperaswereconstructedonthelinesoftheFrenchgrandopera.Thefirsttwowereabsolutefailuresbutwiththe【59】ofRienziin1842Wagnerwasproclaimedtheequalifnotthesuperior【60】BelliniDonizettiandMeyerbeer.Inthewritingofthisworkhehaddiscoveredthedramaticabsurditiesoftheform【61】inhisnextworkTheFlyingDutchmanheattemptedhisfirstimportantuseoftheleitmotiforcharacteristic【62】forhisdifferentpersonagesandalsousedthesethemesinanticipationoftheadventofhischaractersinamannerhelaterdescribedasmakingtheaudienceapartofthebeing.【63】hiswaytoDresdentoconductRienziWagnervisitedtheWartburgCastleandtherehebecamefamiliar【64】thelegendarystorieswhichheusedinallhislaterworks.TannhausergivesanactualdescriptionoftheMinnesingerKnightswhoinspiredWagner【65】TeutonicversionsofTheRingoftheNibelungsLohengrinTristanandIsoldeandParsifal.
Dyslexia Asmanyas20%ofallchildrenintheUnitedStatessufferfromsomeformofthelearningdisorder2calleddyslexia. Expertsondyslexiasaythattheproblemisnotadisease.Theysaythatpersonswithdyslexiauseinformationinadifferentway.Oneoftheworldsgreatthinkersandscientists.AlbertEinsteinwasdyslexic.Einsteinsaidthatheneverthoughtinwordsthewaythatmostpeopledo.Hesaidthathethoughtinpicturesinstead. TheAmericaninventorThomasEdisonwasalsodyslexic.DyslexiafirstwasrecognizedinEuropeandtheUnitedStatesmorethan80yearsago.Manyyearspassedbeforedoctorsdiscoveredthatpersonswiththedisorderwerenotmentallyslowordisabled.Thedoctorsfoundthatthebrainsofpersonswithdyslexiaaredifferent. Inmostpeopletheleftsideofthebrain—thepartthatcontrolslanguageislargerthantherightside.Inpersonswithdyslexiatherightsideofthebrainisbigger.Doctorsarenotsurewhatcausesthisdifference.Howeverresearchhasshownthatdyslexiaismorecommoninmalesthaninfemalesanditisfoundmoreofteninpersonswhoarelefthanded4.Nooneknowsthecauseofdyslexiabutsomescientistsbelievethatitmayresultfromchemicalchangesinababy’’sbodylongbeforeitisborn.Theyaretryingtofindwaystoteachpersonswithdyslexia.Dyslexicpersonsthinkdifferentlyandneedspecialkindsofteachinghelp.Aftertheyhavesolvedtheirproblemswithlanguagetheyoftenshowthemselvestobeespeciallyintelligentorcreative. ThefirstcasesofdyslexiainEuropewerediscoveredlessthanacenturyago.
Dyslexia Asmanyas20%ofallchildrenintheUnitedStatessufferfromsomeformofthelearningdisorder2calleddyslexia. Expertsondyslexiasaythattheproblemisnotadisease.Theysaythatpersonswithdyslexiauseinformationinadifferentway.Oneoftheworldsgreatthinkersandscientists.AlbertEinsteinwasdyslexic.Einsteinsaidthatheneverthoughtinwordsthewaythatmostpeopledo.Hesaidthathethoughtinpicturesinstead. TheAmericaninventorThomasEdisonwasalsodyslexic.DyslexiafirstwasrecognizedinEuropeandtheUnitedStatesmorethan80yearsago.Manyyearspassedbeforedoctorsdiscoveredthatpersonswiththedisorderwerenotmentallyslowordisabled.Thedoctorsfoundthatthebrainsofpersonswithdyslexiaaredifferent. Inmostpeopletheleftsideofthebrain—thepartthatcontrolslanguageislargerthantherightside.Inpersonswithdyslexiatherightsideofthebrainisbigger.Doctorsarenotsurewhatcausesthisdifference.Howeverresearchhasshownthatdyslexiaismorecommoninmalesthaninfemalesanditisfoundmoreofteninpersonswhoarelefthanded4.Nooneknowsthecauseofdyslexiabutsomescientistsbelievethatitmayresultfromchemicalchangesinababy’’sbodylongbeforeitisborn.Theyaretryingtofindwaystoteachpersonswithdyslexia.Dyslexicpersonsthinkdifferentlyandneedspecialkindsofteachinghelp.Aftertheyhavesolvedtheirproblemswithlanguagetheyoftenshowthemselvestobeespeciallyintelligentorcreative. Generallyspeakingdyslexiaismorecommoninleft-handedmalesthaninright-handedfemales.
TheNewYeariscoming.Wedecidedtogiveourroomathoroughclean.
RichardWagner RichardWagner1813~1883isregardedbymany【51】TheRevolutionistofOperawhodemolishedalloldformsandwhoreconstructedthemusicdrama【52】principlesentirelyhisown.Inthestrictest【53】thisbeliefisnotjustifiedforWagnersimplyreturnedtotheoldestversionofthemusicdrama.HefoundthattheidealconstructionoftheoperainFlorencehadbeentoproduceworkinwhichthemusicdramaandinterpretationshouldbe【54】equalimportance.WagnerstudiedthechangesandabuseswhichGluckhad【55】correctandfoundthattheopera【56】ofthenineteenthcenturyhad【57】backintomanyoftheoldcustomswiththeresultthattherewasnolongeracomplete【58】ofthethreefundamentalsofopera. WagnertellsusinhisautobiographythathisearlylifewasinfluencedbythedramasofShakespearthesymphoniesofBeethovenandtheoperasofVonWeber.HisfirstoperaswereconstructedonthelinesoftheFrenchgrandopera.Thefirsttwowereabsolutefailuresbutwiththe【59】ofRienziin1842Wagnerwasproclaimedtheequalifnotthesuperior【60】BelliniDonizettiandMeyerbeer.Inthewritingofthisworkhehaddiscoveredthedramaticabsurditiesoftheform【61】inhisnextworkTheFlyingDutchmanheattemptedhisfirstimportantuseoftheleitmotiforcharacteristic【62】forhisdifferentpersonagesandalsousedthesethemesinanticipationoftheadventofhischaractersinamannerhelaterdescribedasmakingtheaudienceapartofthebeing.【63】hiswaytoDresdentoconductRienziWagnervisitedtheWartburgCastleandtherehebecamefamiliar【64】thelegendarystorieswhichheusedinallhislaterworks.TannhausergivesanactualdescriptionoftheMinnesingerKnightswhoinspiredWagner【65】TeutonicversionsofTheRingoftheNibelungsLohengrinTristanandIsoldeandParsifal.
RichardWagner RichardWagner1813~1883isregardedbymany【51】TheRevolutionistofOperawhodemolishedalloldformsandwhoreconstructedthemusicdrama【52】principlesentirelyhisown.Inthestrictest【53】thisbeliefisnotjustifiedforWagnersimplyreturnedtotheoldestversionofthemusicdrama.HefoundthattheidealconstructionoftheoperainFlorencehadbeentoproduceworkinwhichthemusicdramaandinterpretationshouldbe【54】equalimportance.WagnerstudiedthechangesandabuseswhichGluckhad【55】correctandfoundthattheopera【56】ofthenineteenthcenturyhad【57】backintomanyoftheoldcustomswiththeresultthattherewasnolongeracomplete【58】ofthethreefundamentalsofopera. WagnertellsusinhisautobiographythathisearlylifewasinfluencedbythedramasofShakespearthesymphoniesofBeethovenandtheoperasofVonWeber.HisfirstoperaswereconstructedonthelinesoftheFrenchgrandopera.Thefirsttwowereabsolutefailuresbutwiththe【59】ofRienziin1842Wagnerwasproclaimedtheequalifnotthesuperior【60】BelliniDonizettiandMeyerbeer.Inthewritingofthisworkhehaddiscoveredthedramaticabsurditiesoftheform【61】inhisnextworkTheFlyingDutchmanheattemptedhisfirstimportantuseoftheleitmotiforcharacteristic【62】forhisdifferentpersonagesandalsousedthesethemesinanticipationoftheadventofhischaractersinamannerhelaterdescribedasmakingtheaudienceapartofthebeing.【63】hiswaytoDresdentoconductRienziWagnervisitedtheWartburgCastleandtherehebecamefamiliar【64】thelegendarystorieswhichheusedinallhislaterworks.TannhausergivesanactualdescriptionoftheMinnesingerKnightswhoinspiredWagner【65】TeutonicversionsofTheRingoftheNibelungsLohengrinTristanandIsoldeandParsifal.
CigarsInstead? Smokingoneortwocigarsadaydoublestheriskofcancersoftheliptonguemouthandthroataccordingtoagovernmentstudy. DailycigarsalsoincreasetheriskoflungcancerandcanceroftheesophagusandincreasetheriskofcancerofthelarynxvoiceboxsixfoldsayresearchersattheNationalCancerInstituteinBethesdaMaryland. Inadditionthereportrevealedthatsmokingthreeorfourcigarsadayincreasedtheriskoforalcancerto8.5timestheriskfornonsmokersandtheriskofesophagealcancerbyfourtimestheriskofnonsmokers. ThehealtheffectsofsmokingcigarsisoneofeightsectionsofthearticleCigars:HealthEffectsandTrends.Theresearchersreportthatcomparedwithacigarettealargecigaremitsupto90timesasmuchcarcinogenictobacco-specificnitrosamines ThisarticleprovidesclearandinvaluableinformationaboutthedisturbingincreaseincigaruseandthesignificantpublichealthconsequencesforthecountrysaidDr.RichardKlausnerdirectoroftheNationalCancerInstituteinastatement. Thedataareclear-theharmfulsubstancesandcarcinogensincigarsmokelikecigarettesareassociatedwiththeincreasedrisksofseveralkindsofcancersaswellasheartandlungdiseasesheadded.Inotherwordscigarsarenotsafealternativestocigarettesandmaybeaddictive. Tothoseindividualswhomaybethinkingaboutsmokingcigarsouradvicesis—don’’t.TothosecurrentlysmokingcigarsquittingistheonlywaytoeliminatecompletelythecancerheartandlungdiseaseriskswarnedKlausner. AccordingtoaNationalCancerInstitutepressreleasetherehaven’’tbeenanystudiesonthehealtheffectsonnonsmokersatcigarsocialeventsbut...asignificantbodyofevidenceclearlydemonstratesanincreasedlungcancerriskfromsecondhandsmoke. Inthepassagehowmanycancersarementionedinrelationtosmokingcigarsdaily?
Vegetarianism Astrictvegetarianisapersonwhoneverinhislifeeatsanythingderivedfromanimals.Themainobjectiontovegetarianismonalong-termbasisisthedifficultytogettingenoughproteinthebodybuildingelementsinfood.Ifyouhaveeverbeenwithoutmeatoranimalfoodsforsomedaysofweekssayreligiousreasonsyouwillhavenoticedthatyoutendtogetphysicallyratherweak.Youaregladwhenthefastisoverandyougetyourrewardofasucculentmeatmeal.Proteinsarebuiltupfromapproximatelytwentyfoodelementscalledamino-acidswhicharefoundmoreabundantlyinanimalproteinthaninvegetableprotein.Thismeansyouhavetoeatagreatdealmorevegetablethananimalfoodinordertogetenoughoftheseamino-acids.Agreatofthevegetablefoodgoestowasteinthisprocessandfromthephysiologicalpointofviewthereisnotmuchtobesaidinfavoroflife-longvegetarianism. Theeconomicsideofthequestionthoughmustbeconsidered.Vegetablefoodismuchcheaperthananimalfood.Howeversinceonlyasmallproportionofthevegetableproteinisusefulforbody-buildingpurposesaconsistentvegetarianifheistogainthenecessary70gramsofproteinadayhastoconsumeagreaterbulkoffoodthanhisdigestiveorganscancomfortablydealwith.Infairnessthoughitmustbepointedoutthatvegetariansclaimtheyneedfarlessthan70gramsofproteinaday. Whetherornotvegetarianismshouldbeadvocatedforadultsitisdefinitelyunsatisfactoryforgrowingchildrenwhoneedmoreproteinthantheycangetfromvegetablesource’’s.Alacto-vegetariandietwhichincludesmilkandmilkproductssuchascheesecanhoweverbesatisfactoryaslongasenoughmilkandmilkproductsareconsumed. Meatandcheesearethebestsourcesofusabledigestibleandnextcomemilkfishandeggs.Slowandcarefulcookingofmeatmakesitmoredigestibleandassistsinthebreakingdownoftheproteincontentbythebody.Whencookingvegetableshoweverthevitaminsandinparticularthewater-solubevitaminCshouldbelostthroughovercooking. Comparedwithvegetablefoodanimalfoodcontains______.
Dyslexia Asmanyas20%ofallchildrenintheUnitedStatessufferfromsomeformofthelearningdisorder2calleddyslexia. Expertsondyslexiasaythattheproblemisnotadisease.Theysaythatpersonswithdyslexiauseinformationinadifferentway.Oneoftheworldsgreatthinkersandscientists.AlbertEinsteinwasdyslexic.Einsteinsaidthatheneverthoughtinwordsthewaythatmostpeopledo.Hesaidthathethoughtinpicturesinstead. TheAmericaninventorThomasEdisonwasalsodyslexic.DyslexiafirstwasrecognizedinEuropeandtheUnitedStatesmorethan80yearsago.Manyyearspassedbeforedoctorsdiscoveredthatpersonswiththedisorderwerenotmentallyslowordisabled.Thedoctorsfoundthatthebrainsofpersonswithdyslexiaaredifferent. Inmostpeopletheleftsideofthebrain—thepartthatcontrolslanguageislargerthantherightside.Inpersonswithdyslexiatherightsideofthebrainisbigger.Doctorsarenotsurewhatcausesthisdifference.Howeverresearchhasshownthatdyslexiaismorecommoninmalesthaninfemalesanditisfoundmoreofteninpersonswhoarelefthanded4.Nooneknowsthecauseofdyslexiabutsomescientistsbelievethatitmayresultfromchemicalchangesinababy’’sbodylongbeforeitisborn.Theyaretryingtofindwaystoteachpersonswithdyslexia.Dyslexicpersonsthinkdifferentlyandneedspecialkindsofteachinghelp.Aftertheyhavesolvedtheirproblemswithlanguagetheyoftenshowthemselvestobeespeciallyintelligentorcreative. OneoutoffiveAmericanchildrensuffersfromdyslexia.
Thegovernmentwouldnotdaretoimposetaxesonsuchnecessitiesasbreadormilk.
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?
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______.
Vegetarianism Astrictvegetarianisapersonwhoneverinhislifeeatsanythingderivedfromanimals.Themainobjectiontovegetarianismonalong-termbasisisthedifficultytogettingenoughproteinthebodybuildingelementsinfood.Ifyouhaveeverbeenwithoutmeatoranimalfoodsforsomedaysofweekssayreligiousreasonsyouwillhavenoticedthatyoutendtogetphysicallyratherweak.Youaregladwhenthefastisoverandyougetyourrewardofasucculentmeatmeal.Proteinsarebuiltupfromapproximatelytwentyfoodelementscalledamino-acidswhicharefoundmoreabundantlyinanimalproteinthaninvegetableprotein.Thismeansyouhavetoeatagreatdealmorevegetablethananimalfoodinordertogetenoughoftheseamino-acids.Agreatofthevegetablefoodgoestowasteinthisprocessandfromthephysiologicalpointofviewthereisnotmuchtobesaidinfavoroflife-longvegetarianism. Theeconomicsideofthequestionthoughmustbeconsidered.Vegetablefoodismuchcheaperthananimalfood.Howeversinceonlyasmallproportionofthevegetableproteinisusefulforbody-buildingpurposesaconsistentvegetarianifheistogainthenecessary70gramsofproteinadayhastoconsumeagreaterbulkoffoodthanhisdigestiveorganscancomfortablydealwith.Infairnessthoughitmustbepointedoutthatvegetariansclaimtheyneedfarlessthan70gramsofproteinaday. Whetherornotvegetarianismshouldbeadvocatedforadultsitisdefinitelyunsatisfactoryforgrowingchildrenwhoneedmoreproteinthantheycangetfromvegetablesource’’s.Alacto-vegetariandietwhichincludesmilkandmilkproductssuchascheesecanhoweverbesatisfactoryaslongasenoughmilkandmilkproductsareconsumed. Meatandcheesearethebestsourcesofusabledigestibleandnextcomemilkfishandeggs.Slowandcarefulcookingofmeatmakesitmoredigestibleandassistsinthebreakingdownoftheproteincontentbythebody.Whencookingvegetableshoweverthevitaminsandinparticularthewater-solubevitaminCshouldbelostthroughovercooking. Fromthepassageweknowthat______.
RichardWagner RichardWagner1813~1883isregardedbymany【51】TheRevolutionistofOperawhodemolishedalloldformsandwhoreconstructedthemusicdrama【52】principlesentirelyhisown.Inthestrictest【53】thisbeliefisnotjustifiedforWagnersimplyreturnedtotheoldestversionofthemusicdrama.HefoundthattheidealconstructionoftheoperainFlorencehadbeentoproduceworkinwhichthemusicdramaandinterpretationshouldbe【54】equalimportance.WagnerstudiedthechangesandabuseswhichGluckhad【55】correctandfoundthattheopera【56】ofthenineteenthcenturyhad【57】backintomanyoftheoldcustomswiththeresultthattherewasnolongeracomplete【58】ofthethreefundamentalsofopera. WagnertellsusinhisautobiographythathisearlylifewasinfluencedbythedramasofShakespearthesymphoniesofBeethovenandtheoperasofVonWeber.HisfirstoperaswereconstructedonthelinesoftheFrenchgrandopera.Thefirsttwowereabsolutefailuresbutwiththe【59】ofRienziin1842Wagnerwasproclaimedtheequalifnotthesuperior【60】BelliniDonizettiandMeyerbeer.Inthewritingofthisworkhehaddiscoveredthedramaticabsurditiesoftheform【61】inhisnextworkTheFlyingDutchmanheattemptedhisfirstimportantuseoftheleitmotiforcharacteristic【62】forhisdifferentpersonagesandalsousedthesethemesinanticipationoftheadventofhischaractersinamannerhelaterdescribedasmakingtheaudienceapartofthebeing.【63】hiswaytoDresdentoconductRienziWagnervisitedtheWartburgCastleandtherehebecamefamiliar【64】thelegendarystorieswhichheusedinallhislaterworks.TannhausergivesanactualdescriptionoftheMinnesingerKnightswhoinspiredWagner【65】TeutonicversionsofTheRingoftheNibelungsLohengrinTristanandIsoldeandParsifal.
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.
Hispronunciationissimplyterrible.
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