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创新是一个民族进步的灵魂，是一个国家兴旺发达的不竭动力，也是一个政党永葆生机的源泉。创新包括理论创新、制度创新、技术创新、文化创新及其他各方面的创新。在各项创新中处于先导地位的是( )
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是一个民族进步的灵魂是一个国家兴旺发达的不竭动力也是一个 政党永葆生机的源泉
创新
改革
发展
是一个民族进步的灵魂是一个国家兴旺发达的不竭动力也是一个政党永葆生机的源泉
创新
发展
稳定
_____是一个民族进步的灵魂是一个国家兴旺发达的不竭动力也是一个政党永葆生机的源泉
创新
进取
团结
民主
创新是一个民族进步的灵魂是一个国家兴旺发达的不竭动力
__指出是一个民族的灵魂是一个国家兴旺发达的不竭动力也是一个政党永葆生机的源泉
创新
进步
发展
一个民族进步的灵魂一个国家兴旺发达的不竭动力是
发展
进步
创新
改革
指出创新是一个民族进步的灵魂是国家兴旺发达的不竭之源泉
创新是民族进步的灵魂是一个国家兴旺发达的不竭源泉
是一个民族进步的灵魂是一个国家兴旺发达的不竭动力也是一个政党永葆生机的源泉
创新是一个民族进步的灵魂是中国兴旺发达的不竭动力
创新是一个民族进步的灵魂是国家兴旺发达的不竭动力
是一个民族进步的灵魂是一个国家兴旺发达的不竭动力 也是中华民族最深沉的民族禀赋
是一个民族进步的灵魂是一个国家兴旺发达的不竭动力 也是一个政党永葆生机的源泉
继承
创新
知识
是一个民族进步的灵魂是一个国家兴旺发达的不竭动力也是一个政党永葆生机的源泉
解放思想
与时俱进
发展生产力
创新
是一个民族进步的灵魂是一个国家兴旺发达的不竭动力也是一个政党 永葆生机的源泉
创新
进取
团结
实践已经证明中国兴旺发达并在2l世纪实现和平崛起最根本性的不竭动力是创新这说明
创新是一个民族进步的灵魂
创新是一个国家兴旺发达的不竭动力
创新的源泉是社会实践‘
创新的主体是人民群众
党的十六大报告指出创新是一个民族进步的灵魂是一个国家兴旺发达的不竭动力也是一个政党永葆生机的
关键
源泉
保证
是一个民族进步的灵魂是一个国家兴旺发达的不竭动力也是一个 政党永葆生机的源泉
创新
发展
稳定
A是一个民族进步的灵魂是一个国家兴旺发达的不竭动力也是一个政党永葆生机的源泉
创新
进取
团结
民主
创新是一个民族进步的灵魂是一个国家兴旺发达的不竭动力也是 一个政党永葆生机的源泉
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Everybodylovesafatpayrise.Yetpleasureatyourowncanvanishifyoulearnthatacolleaguehasbeengivenabiggerone.Indeedifhehasareputationforslackingyoumightevenbeoutraged.Suchbehaviourisregardedasalltoohumanwiththeunderlyingassumptionthatotheranimalswouldnotbecapableofthisfinelydevelopedsenseofgrievance.ButastudybySarahBrosnanandFransdeWaalofEmoryUniversityinAtlantaGeorgiawhichhasjustbeenpublishedinNaturesuggeststhatitisalltoomonkeyaswell. Theresearchersstudiedthebehaviouroffemalebrowncapuchinmonkeys.Theylookcute.Theyaregood-naturedco-operativecreaturesandtheysharetheirfoodreadily.Aboveallliketheirfemalehumancounterpartstheytendtopaymuchcloserattentiontothevalueofgoodsandservicesthanmales. SuchcharacteristicsmakethemperfectcandidatesforDr.Brosnan’’sandDr.deWaal’’sstudy.Theresearchersspenttwoyearsteachingtheirmonkeystoexchangetokensforfood.Normallythemonkeyswerehappyenoughtoexchangepiecesofrockforslicesofcucumber.Howeverwhentwomonkeyswereplacedinseparatebutadjoiningchamberssothateachcouldobservewhattheotherwasgettinginreturnforitsrocktheirbehaviourbecamemarkedlydifferent. Intheworldofcapuchinsgrapesareluxurygoodsandmuchpreferabletocucumbers.Sowhenonemonkeywashandedagrapeinexchangeforhertokenthesecondwasreluctanttohandhersoverforamerepieceofcucumber.Andifonereceivedagrapewithouthavingtoprovidehertokeninexchangeatalltheothereithertossedherowntokenattheresearcheroroutofthechamberorrefusedtoacceptthesliceofcucumber.Indeedthemerepresenceofagrapeintheotherchamberwithoutanactualmonkeytoeatitwasenoughtoinduceresentmentinafemalecapuchin. Theresearcherssuggestthatcapuchinmonkeyslikehumansareguidedbysocialemotions.Inthewildtheyareaco-operativegroup-livingspecies.Suchco-operationislikelytobestableonlywheneachanimalfeelsitisnotbeingcheated.Feelingsofrighteousndignationitseemsarenotthepreserveofpeoplealone.Refusingalesserrewardcompletelymakesthesefeelingsabundantlycleartoothermembersofthegroup.Howeverwhethersuchasenseoffairnessevolvedindependentlyincapuchinsandhumansorwhetheritstemsfromthecommonancestorthatthespecieshad35millionyearsagoisasyetanunansweredquestion. Dr.BrosnanandDr.deWaalhaveeventuallyfoundintheirstudythatthemonkeys
. Yourmobilephoneismissing.Writeanoticelookingforitwhichshouldinclude: 1detaileddescriptionofthephone 2timeandplaceofmissingitand 3waytocontactandreward. Youshouldwriteabout100wordsonANSWERSHEET2.Donotsignyournameattheendofthenotice.UseLiMinginstead.Youdonotneedtowritetheaddress.10pionts
为从国民收入中获得个人收入不用减去下列哪一项
ItissaidthatinEnglanddeathispressinginCanadainevitableandinCaliforniaoptional.Smallwonder.Americans’’lifeexpectancyhasnearlydoubledoverthepastcentury.Failinghipscanbereplacedclinicaldepressioncontrolledcataractsremovedina30-minutesurgicalprocedure.SuchadvancesoffertheagingpopulationaqualityoflifethatwasunimaginablewhenIenteredmedicine50yearsago.Butnotevenagreathealth-caresystemcancuredeath--andourfailuretoconfrontthatrealitynowthreatensthisgreatnessofours. Deathisnormal;wearegeneticallyprogrammedtodisintegrateandperishevenunderidealconditions.Weallunderstandthatatsomelevelyetasmedicalconsumerswetreatdeathasaproblemtobesolved.Shieldedbythird-partypayersfromthecostofourcarewedemandeyed’’thingthatcanpossiblybedoneforusevenifit’’suseless.Themostobviousexampleislate-stagecancercare.Physicians--frustratedbytheirinabilitytocurethediseaseandfearinglossofhopeinthepatient--toooftenofferaggressivetreatmentfarbeyondwhatisscientificallyjustified. In1950theU.S.spent$12.7billiononhealthcare.In2002thecostwillbe$I540billion.Anyonecanseethistrendisunsustainable.Yetfewseemwillingtotrytoreverseit.Somescholarsconcludethatagovernmentwithfiniteresourcesshouldsimplystoppayingformedicalcarethatsustainslifebeyondacertainage--say83orso.FormerColoradogovernorRichardLammhasbeenquotedassayingthattheoldandinfirmhaveadutytodieandgetoutofthewaysothatyoungerhealthierpeoplecanrealizetheirpotential. Iwouldnotgothatfar.Energeticpeoplenowroutinelyworkthroughtheir60sandbeyondandremaindazzlinglyproductive.At78ViacomchairmanSumnerRedstonejokinglyclaimstobe53.SupremeCourtJusticeSandraDayO’’Connorisinher7OsandformersurgeongeneralC.EverettKoopchairsanInternetstart-upinhis80s.Theseleadersarelivingproofthatpreventionworksandthatwecanmanagethehealthproblemsthatcomenaturallywithage.Asamere68-year-oldIwishtoageasproductivelyastheyhave. Yettherearelimitstowhatasocietycanspendinthispursuit.AsaphysicianIknowthemostcostlyamddramaticmeasuresmaybeineffectiveandpainful.IalsoknowthatpeopleinJapanandSwedencountriesthatspendfarlessonmedicalcarehaveachievedlongerhealthierlivesthanwehave.Asanationwemaybeoverfundingthequestforunlikelycureswhileunderfundingresearchonhumblertherapiesthatcouldimprovepeople’’slives. Theauthor’’sattitudetowardRichardLamm’’sremarkisoneof
ItisnoteasytotalkabouttheroleofthemassmediainthisoverwhelminglysignificantphaseinEuropeanhistory.Historyandnewsbecomeconfusedandone’’simpressionstendtobeamixtureofskepticismandoptimism.46Televisionisoneofthemeansbywhichthesefeelingsarecreatedandconveyed--andperhapsneverbeforehasitservedsomuchtoconnectdifferentpeoplesandnationsasintherecenteventsinEurope.TheEuropethatisnowformingcannotbeanythingotherthanitspeoplestheirculturesandnationalidentifies.WiththisinmindwecanbegintoanalyzetheEuropeantelevisionscene.47InEurope.aselsewheremulti-mediagroupshavebeenincreasinglysuccessful:groupswhichbringtogethertelevisionradionewspapersmagazinesandpublishinghousesthatworkinrelationtooneanother.OneItalianexamplewouldbetheBerlusconigroupwhileabroadMaxwellandMurdochcometomind. Clearlyonlythebiggestandmostflexibletelevisioncompaniesaregoingtobeabletocompeteinsucharichandhotly-contestedmarket.48Thisalonedemonstratesthatthetelevisionbusinessisnotaneasyworldtosurvivein.afactunderlinedbystatisticsthatshowthatoutofeightyEuropeantelevisionnetworksnolessthan50%tookalossin1989. MoreovertheintegrationoftheEuropeancommunitywillobligetelevisioncompaniestocooperatemorecloselyintermsofbothproductionanddistribution. 49CreatingaEuropeanidentitythatrespectsthedifferentculturesandtraditionswhichgotomakeuptheconnectingfabricoftheOldContinentisnoeasytaskanddemandsastrategicchoice―thatofproducingprogramsinEuropeforEurope.ThisentailsreducingourdependenceontheNorthAmericanmarketwhoseprogramsrelatetoexperiencesandculturaltraditionswhicharedifferentfromourown Inordertoachievetheseobjectiveswemustconcentratemoreonco-productionstheexchangeofnewsdocumentaryservicesandtraining.ThisalsoinvolvestheagreementsbetweenEuropeancountriesforthecreationofaEuropeanbankforTelevisionProductionwhichonthemodeloftheEuropeanInvestmentsBankwillhandlethefinancesnecessaryforproductioncosts.50Indealingwithachallengeonsuchascaleitisnoexaggerationtosay.Unitedwestanddividedwefall―andifIhadtochooseasloganitwouldbeUnityinourdiversityAunityofobjectivesthatnonethelessrespectthevariedpeculiaritiesofeachcountry.
It’’shardlynewsanymorethatAmericansarejusttoofat.Aquicklookaroundthemallthebeachorthecrowdatanybaseballgamewillleavenoroomfordoubt:ourindividualweightproblemshavebecomeanationalcrisis.Evensotheactualnumbersareshocking.Fullytwo-thirdsofU.S.adultsareofficiallyoverweightandabouthalfofthosehavegraduatedtofull-blownobesity. Itwouldn’’tbesuchabigdealiftheproblemweresimpleaesthetic.Butexcesspoundagetakesaterribletollonthehumanbody.significantlyincreasingtheriskofheartdiseasehighbloodpressurediabetesinfertilityandmanyformsofcancer.Thetotalmedicalbillforillnessesrelatedtoobesityis$117billionayear-andclimbing-andtheJournaloftheAmericanMedicalAssociationreportedthatpoordietandphysicalinactivitycouldsoonovertaketobaccoastheleadingcauseofpreventabledeathintheU.S. WhyisithappeningTheobviousalmosttrivialansweristhatweeattoomuchhigh-caloriefoodanddon’’tburnitoffwithenoughexercise.Ifonlywecouldchangethosehabitstheproblemwouldgoaway.Butclearlyitisn’’tthateasy.Americanspourscoresofbillionsofdollarseveryyearintoweight-lossproductsandhealth-clubmemberships.Foodanddrugcompaniesspendevenmoretryingtofindamagicfoodordrugthatwillmeltthepoundsaway.Yetthenation’’scollectivewaistlinejustkeepsgrowing. It’’snaturaltotrytofindsomethingtoblame-fast-foodjointsorfoodmanufacturersorevenourselvesforhavingtoolittlewillpower.Buttheultimatereasonforobesitymayberooteddeepwithinourgenes.Obedienttotheinevitablelawsofevolutionthehumanraceadaptedovermillionsofyearstolivinginaworldofscarcitywhereitpaidtoeateverygood-tastingthinginsightwhenyoucouldfindit. Althoughourphysiologyhasstayedprettymuchthesameforthepast50000yearsorsowehumanshaveutterlytransformedourenvironment.Overthepastcenturyespeciallytechnologyhasalmostcompletelyremovedphysicalexercisefromtheday-to-daylivesofmostAmericans.Atthesametimeithasfilledsupermarketshelveswithcheapmass-producedgood-tastingfoodthatispackedwithcalories.AndfinallytechnologyhasallowedadvertiserstodeliverconstantvirtuallyirresistiblemessagesthatsayEatthisnowtoeveryoneoldenoughtowatchTV. ThisartificialenvironmentismostpervasiveintheU.S.andotherindustrializedcountriesandthat’’sexactlywherethefatcrisisismostacute. Accordingtothe2ndparagraph
国际储备资产的币种管理中应考虑的主要因素不包括
鲍莫尔模型与下列哪个参数无关
It’’shardlynewsanymorethatAmericansarejusttoofat.Aquicklookaroundthemallthebeachorthecrowdatanybaseballgamewillleavenoroomfordoubt:ourindividualweightproblemshavebecomeanationalcrisis.Evensotheactualnumbersareshocking.Fullytwo-thirdsofU.S.adultsareofficiallyoverweightandabouthalfofthosehavegraduatedtofull-blownobesity. Itwouldn’’tbesuchabigdealiftheproblemweresimpleaesthetic.Butexcesspoundagetakesaterribletollonthehumanbody.significantlyincreasingtheriskofheartdiseasehighbloodpressurediabetesinfertilityandmanyformsofcancer.Thetotalmedicalbillforillnessesrelatedtoobesityis$117billionayear-andclimbing-andtheJournaloftheAmericanMedicalAssociationreportedthatpoordietandphysicalinactivitycouldsoonovertaketobaccoastheleadingcauseofpreventabledeathintheU.S. WhyisithappeningTheobviousalmosttrivialansweristhatweeattoomuchhigh-caloriefoodanddon’’tburnitoffwithenoughexercise.Ifonlywecouldchangethosehabitstheproblemwouldgoaway.Butclearlyitisn’’tthateasy.Americanspourscoresofbillionsofdollarseveryyearintoweight-lossproductsandhealth-clubmemberships.Foodanddrugcompaniesspendevenmoretryingtofindamagicfoodordrugthatwillmeltthepoundsaway.Yetthenation’’scollectivewaistlinejustkeepsgrowing. It’’snaturaltotrytofindsomethingtoblame-fast-foodjointsorfoodmanufacturersorevenourselvesforhavingtoolittlewillpower.Buttheultimatereasonforobesitymayberooteddeepwithinourgenes.Obedienttotheinevitablelawsofevolutionthehumanraceadaptedovermillionsofyearstolivinginaworldofscarcitywhereitpaidtoeateverygood-tastingthinginsightwhenyoucouldfindit. Althoughourphysiologyhasstayedprettymuchthesameforthepast50000yearsorsowehumanshaveutterlytransformedourenvironment.Overthepastcenturyespeciallytechnologyhasalmostcompletelyremovedphysicalexercisefromtheday-to-daylivesofmostAmericans.Atthesametimeithasfilledsupermarketshelveswithcheapmass-producedgood-tastingfoodthatispackedwithcalories.AndfinallytechnologyhasallowedadvertiserstodeliverconstantvirtuallyirresistiblemessagesthatsayEatthisnowtoeveryoneoldenoughtowatchTV. ThisartificialenvironmentismostpervasiveintheU.S.andotherindustrializedcountriesandthat’’sexactlywherethefatcrisisismostacute. Thetextarrangesobesityaccordingto
Technicallyanysubstanceotherthanfoodthataltersourbodilyormentalfunctioningisadrug.Manypeoplemistakenlybelievethetermdrugrefersonlytosomesortofmedicineoranillegalchemicaltakenbydrugaddicts.Theydon’’trealizethatfamiliarsubstancessuchasalcoholandtobaccoarealsodrugs.Thisiswhythemoreneutraltermsubstanceisnowusedbymanyphysiciansandpsychologists.Thephrasesubstanceabuseisoftenusedinsteadofdrugabusetomakeclearthatsubstancessuchasalcoholandtobaccocanbejustasharmfullymisusedasheroinandcocaine. Weliveinasocietyinwhichthemedicinalandsocialuseofsubstancesdrugsispervasive:anaspirintoquietaheadachesomewinetobesociablecoffeetogetgoinginthemorningacigaretteforthenerves.WhendothesesociallyacceptableandapparentlyconstructiveusesofasubstancebecomemisusesFirstofallmostsubstancestakeninexcesswillproducenegativeeffectssuchaspoisoningorintenseperceptualdistortions.Repeateduseofasubstancecanalsoleadtophysicaladdictionorsubstancedependence.Dependenceismarkedfirstbyanincreasedtolerancewithmoreandmoreofthesubstancerequiredtoproducethedesiredeffectandthenbytheappearanceofunpleasantwithdrawalsymptomswhenthesubstanceisdiscontinued. Drugssubstancesthataffectthecentralnervoussystemandalterperceptionmoodandbehaviorareknownaspsychoactivesubstances.Psychoactivesubstancesarecommonlygroupedaccordingtowhethertheyarestimulantsdepressantsorhallucinogens.Stimulantsinitiallyspeeduporactivatethecentralnervoussystemwhereasdepressantsslowitdown.Hallucinogenshavetheirprimaryeffectonperceptiondistortingandalteringitinavarietyofwaysincludingproducinghallucinations.ThesearethesubstancesoftencalledpsychedelicfromtheGreekwordmeaningmind-manifestingbecausetheyseemedtoradicallyalterone’’sstateofconsciousness. SubstanceabuseLine5Paragraph1ispreferabletodrugabuseinthat___________.
ItisnoteasytotalkabouttheroleofthemassmediainthisoverwhelminglysignificantphaseinEuropeanhistory.Historyandnewsbecomeconfusedandone’’simpressionstendtobeamixtureofskepticismandoptimism.46Televisionisoneofthemeansbywhichthesefeelingsarecreatedandconveyed--andperhapsneverbeforehasitservedsomuchtoconnectdifferentpeoplesandnationsasintherecenteventsinEurope.TheEuropethatisnowformingcannotbeanythingotherthanitspeoplestheirculturesandnationalidentifies.WiththisinmindwecanbegintoanalyzetheEuropeantelevisionscene.47InEurope.aselsewheremulti-mediagroupshavebeenincreasinglysuccessful:groupswhichbringtogethertelevisionradionewspapersmagazinesandpublishinghousesthatworkinrelationtooneanother.OneItalianexamplewouldbetheBerlusconigroupwhileabroadMaxwellandMurdochcometomind. Clearlyonlythebiggestandmostflexibletelevisioncompaniesaregoingtobeabletocompeteinsucharichandhotly-contestedmarket.48Thisalonedemonstratesthatthetelevisionbusinessisnotaneasyworldtosurvivein.afactunderlinedbystatisticsthatshowthatoutofeightyEuropeantelevisionnetworksnolessthan50%tookalossin1989. MoreovertheintegrationoftheEuropeancommunitywillobligetelevisioncompaniestocooperatemorecloselyintermsofbothproductionanddistribution. 49CreatingaEuropeanidentitythatrespectsthedifferentculturesandtraditionswhichgotomakeuptheconnectingfabricoftheOldContinentisnoeasytaskanddemandsastrategicchoice―thatofproducingprogramsinEuropeforEurope.ThisentailsreducingourdependenceontheNorthAmericanmarketwhoseprogramsrelatetoexperiencesandculturaltraditionswhicharedifferentfromourown Inordertoachievetheseobjectiveswemustconcentratemoreonco-productionstheexchangeofnewsdocumentaryservicesandtraining.ThisalsoinvolvestheagreementsbetweenEuropeancountriesforthecreationofaEuropeanbankforTelevisionProductionwhichonthemodeloftheEuropeanInvestmentsBankwillhandlethefinancesnecessaryforproductioncosts.50Indealingwithachallengeonsuchascaleitisnoexaggerationtosay.Unitedwestanddividedwefall―andifIhadtochooseasloganitwouldbeUnityinourdiversityAunityofobjectivesthatnonethelessrespectthevariedpeculiaritiesofeachcountry.
在一个生产同质产品的寡头垄断行业中行业利润最大化的条件是当厂商
Technicallyanysubstanceotherthanfoodthataltersourbodilyormentalfunctioningisadrug.Manypeoplemistakenlybelievethetermdrugrefersonlytosomesortofmedicineoranillegalchemicaltakenbydrugaddicts.Theydon’’trealizethatfamiliarsubstancessuchasalcoholandtobaccoarealsodrugs.Thisiswhythemoreneutraltermsubstanceisnowusedbymanyphysiciansandpsychologists.Thephrasesubstanceabuseisoftenusedinsteadofdrugabusetomakeclearthatsubstancessuchasalcoholandtobaccocanbejustasharmfullymisusedasheroinandcocaine. Weliveinasocietyinwhichthemedicinalandsocialuseofsubstancesdrugsispervasive:anaspirintoquietaheadachesomewinetobesociablecoffeetogetgoinginthemorningacigaretteforthenerves.WhendothesesociallyacceptableandapparentlyconstructiveusesofasubstancebecomemisusesFirstofallmostsubstancestakeninexcesswillproducenegativeeffectssuchaspoisoningorintenseperceptualdistortions.Repeateduseofasubstancecanalsoleadtophysicaladdictionorsubstancedependence.Dependenceismarkedfirstbyanincreasedtolerancewithmoreandmoreofthesubstancerequiredtoproducethedesiredeffectandthenbytheappearanceofunpleasantwithdrawalsymptomswhenthesubstanceisdiscontinued. Drugssubstancesthataffectthecentralnervoussystemandalterperceptionmoodandbehaviorareknownaspsychoactivesubstances.Psychoactivesubstancesarecommonlygroupedaccordingtowhethertheyarestimulantsdepressantsorhallucinogens.Stimulantsinitiallyspeeduporactivatethecentralnervoussystemwhereasdepressantsslowitdown.Hallucinogenshavetheirprimaryeffectonperceptiondistortingandalteringitinavarietyofwaysincludingproducinghallucinations.ThesearethesubstancesoftencalledpsychedelicfromtheGreekwordmeaningmind-manifestingbecausetheyseemedtoradicallyalterone’’sstateofconsciousness. Physicaldependenceoncertainsubstancesresultsfrom___________.
用自有资金也应计算利息收入这种利息从成本角度看是
你以90美元购买一股y公司股票一年之后收到了3美元红利以92美元卖出股票你的持有期收益是多少
ItissaidthatinEnglanddeathispressinginCanadainevitableandinCaliforniaoptional.Smallwonder.Americans’’lifeexpectancyhasnearlydoubledoverthepastcentury.Failinghipscanbereplacedclinicaldepressioncontrolledcataractsremovedina30-minutesurgicalprocedure.SuchadvancesoffertheagingpopulationaqualityoflifethatwasunimaginablewhenIenteredmedicine50yearsago.Butnotevenagreathealth-caresystemcancuredeath--andourfailuretoconfrontthatrealitynowthreatensthisgreatnessofours. Deathisnormal;wearegeneticallyprogrammedtodisintegrateandperishevenunderidealconditions.Weallunderstandthatatsomelevelyetasmedicalconsumerswetreatdeathasaproblemtobesolved.Shieldedbythird-partypayersfromthecostofourcarewedemandeyed’’thingthatcanpossiblybedoneforusevenifit’’suseless.Themostobviousexampleislate-stagecancercare.Physicians--frustratedbytheirinabilitytocurethediseaseandfearinglossofhopeinthepatient--toooftenofferaggressivetreatmentfarbeyondwhatisscientificallyjustified. In1950theU.S.spent$12.7billiononhealthcare.In2002thecostwillbe$I540billion.Anyonecanseethistrendisunsustainable.Yetfewseemwillingtotrytoreverseit.Somescholarsconcludethatagovernmentwithfiniteresourcesshouldsimplystoppayingformedicalcarethatsustainslifebeyondacertainage--say83orso.FormerColoradogovernorRichardLammhasbeenquotedassayingthattheoldandinfirmhaveadutytodieandgetoutofthewaysothatyoungerhealthierpeoplecanrealizetheirpotential. Iwouldnotgothatfar.Energeticpeoplenowroutinelyworkthroughtheir60sandbeyondandremaindazzlinglyproductive.At78ViacomchairmanSumnerRedstonejokinglyclaimstobe53.SupremeCourtJusticeSandraDayO’’Connorisinher7OsandformersurgeongeneralC.EverettKoopchairsanInternetstart-upinhis80s.Theseleadersarelivingproofthatpreventionworksandthatwecanmanagethehealthproblemsthatcomenaturallywithage.Asamere68-year-oldIwishtoageasproductivelyastheyhave. Yettherearelimitstowhatasocietycanspendinthispursuit.AsaphysicianIknowthemostcostlyamddramaticmeasuresmaybeineffectiveandpainful.IalsoknowthatpeopleinJapanandSwedencountriesthatspendfarlessonmedicalcarehaveachievedlongerhealthierlivesthanwehave.Asanationwemaybeoverfundingthequestforunlikelycureswhileunderfundingresearchonhumblertherapiesthatcouldimprovepeople’’slives. Thetextintendstoexpresstheideathat
ItissaidthatinEnglanddeathispressinginCanadainevitableandinCaliforniaoptional.Smallwonder.Americans’’lifeexpectancyhasnearlydoubledoverthepastcentury.Failinghipscanbereplacedclinicaldepressioncontrolledcataractsremovedina30-minutesurgicalprocedure.SuchadvancesoffertheagingpopulationaqualityoflifethatwasunimaginablewhenIenteredmedicine50yearsago.Butnotevenagreathealth-caresystemcancuredeath--andourfailuretoconfrontthatrealitynowthreatensthisgreatnessofours. Deathisnormal;wearegeneticallyprogrammedtodisintegrateandperishevenunderidealconditions.Weallunderstandthatatsomelevelyetasmedicalconsumerswetreatdeathasaproblemtobesolved.Shieldedbythird-partypayersfromthecostofourcarewedemandeyed’’thingthatcanpossiblybedoneforusevenifit’’suseless.Themostobviousexampleislate-stagecancercare.Physicians--frustratedbytheirinabilitytocurethediseaseandfearinglossofhopeinthepatient--toooftenofferaggressivetreatmentfarbeyondwhatisscientificallyjustified. In1950theU.S.spent$12.7billiononhealthcare.In2002thecostwillbe$I540billion.Anyonecanseethistrendisunsustainable.Yetfewseemwillingtotrytoreverseit.Somescholarsconcludethatagovernmentwithfiniteresourcesshouldsimplystoppayingformedicalcarethatsustainslifebeyondacertainage--say83orso.FormerColoradogovernorRichardLammhasbeenquotedassayingthattheoldandinfirmhaveadutytodieandgetoutofthewaysothatyoungerhealthierpeoplecanrealizetheirpotential. Iwouldnotgothatfar.Energeticpeoplenowroutinelyworkthroughtheir60sandbeyondandremaindazzlinglyproductive.At78ViacomchairmanSumnerRedstonejokinglyclaimstobe53.SupremeCourtJusticeSandraDayO’’Connorisinher7OsandformersurgeongeneralC.EverettKoopchairsanInternetstart-upinhis80s.Theseleadersarelivingproofthatpreventionworksandthatwecanmanagethehealthproblemsthatcomenaturallywithage.Asamere68-year-oldIwishtoageasproductivelyastheyhave. Yettherearelimitstowhatasocietycanspendinthispursuit.AsaphysicianIknowthemostcostlyamddramaticmeasuresmaybeineffectiveandpainful.IalsoknowthatpeopleinJapanandSwedencountriesthatspendfarlessonmedicalcarehaveachievedlongerhealthierlivesthanwehave.Asanationwemaybeoverfundingthequestforunlikelycureswhileunderfundingresearchonhumblertherapiesthatcouldimprovepeople’’slives. Whatisimpliedinthefirstsentence
以下对欧洲债券叙述错误的是
如果政府利用配给的方法来控制价格这意味着
当国民收入在乘数和加速数的作用下趋于扩张时其增加将因下列哪项因素而放慢
一般说来位于LM曲线左方的收入和利率的组合都是
因素模型中股票的收益率在一段时间内与相关
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