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五行学说是如何说明生理的
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五行学说在中医学的应用包括
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说明眼的解剖、生理、病理
指导眼科临床辨证
说明眼科五行理论
说明轮为本、脏为标
试用五行学说说明五脏之间的生理联系
眼的五轮学说是将眼部分为肉轮血轮气轮风轮水轮分别与内在脏腑相应并运用脏腑五行学说借以说明各轮的生理功
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动作电位的全或无特点表现在
下列选项中属于顺式作用元件的有
右心室压力负荷后负荷加重见于
U.S.prisonsarefilledwithdrugoffenders;thenumberofprisonerstripledoverthepast20yearstonearly2millionwith60to70percenttestingpositiveforsubstanceabuseonarrest.Thecountryhasspentbillionsofdollarsattackingtheproblematitsroots.Butthereisgrowingconsensusthatthewarondrughasbeenlost.TheUnitedStatesisstilltheworld’’slargestconsumerofillegalsubstances;cocainecontinuestopourovertheborderfromMexico.Traffictapsintothenationalfrustrationdepictingthehorrorsofbothdrugsandthedrugwar.WithouttakingsidesthefilmilluminatesthenationaldebateandposesonalternativethatAmericansseemincreasinglywillingtoconsider:findingnewwaystotreatratherthanmerelypunishdrugabuse. Policyrevolutions―likelegalizingnarcoticsdrugsproducingsleeporinsensibility―remainadistantdream.ButthereisgrowingpublicawarenessthatthemoneyandenergywastedontryingtochecktheflowofdrugsintotheUnitedStatesmightbebetterspentontryingtocontroldemandinstead.Votersinseveralstatesarefaraheadofthepoliticiansapprovingballotinitiativesthatoffermoretreatmentopinions.Drugscourtsthatallowjudgestousecarrotsandstickstocompelsubstance-abusetreatmenthavegrownfifty-foldsincethemid-1990spartofanewunderstandingthatevenwithfrequentrelapsesreturnstoaformalstatetreatmentismuchlessexpensiveforsocietythanjailandban. Drugaddictionisincreasinglybeingviewedasmoreadiseasethanacrime.Scienceisyieldingcluesaboutthehedonicofpleasureregionofthebrainwhilebreakthroughmedicationsandgreaterunderstandingofthemental-healthproblemsthatunderliemanyaddictionsaregivingtherapistsnewtools. OfficialsacrosstheContinenthavealreadybegunshiftingtheirfocusfrompreventingdrugflowtorehabilitatingmakingabletoliveanormallifeagaindrugusers.ThenewEuropeanUnionDrugsStrategyfor2000-2004makesacommitmenttoincreasingthenumberofsuccessfullytreatedaddicts.GemanyItalyandLuxembourghavetransferredresponsibilityfordrugpolicyfromtheirMinistriesoftheInteriortotheMinistriesofHealthorSocialAffairs.InBritainthegovernmenthassetupaNationalTreatmentAgencytocoordinatetheeffortsofsocial-serviceagenciesandtheDepartmentofHealth.Anddrug-preventionandsupportagenciestherearegettingabout30percentmorefundingthisyear.Changingthemainnationalstrategyfromattackingdrugpusherstorehabilitatingaddictswon’’tcomeeasy.ButslowlysteadilyAmericanslikeEuropeansseemdeterminedtotry. Thereseemstobegrowingawarenessof
Americanstodaydon’’tplaceaveryhighvalueonintellect.Ourheroesareathletesentertainersandentrepreneursnotscholars.Evenourschoolsarewherewesendourchildrentogetapracticaleducation―nottopursueknowledgeforthesakeofknowledge.Symptomsofpervasiveanti-intellectualisminourschoolsaren’’tdifficulttofind. SchoolshavealwaysbeeninasocietywherepracticalismoreimportantthanintellectualsayseducationwriterDianeRavitch.Schoolscouldbeacounterbalance.Ravitch’’slatestbookLeftBack:ACenturyofFailedSchoolReformstracestherootsofanti-intellectualisminourschoolsconcludingtheyareanythingbutacounterbalancetotheAmericandistasteforintellectualpursuits. Buttheycouldandshouldbe.Encouragingkidstorejectthelifeofthemindleavesthemvulnerabletoexploitationandcontrol.Withouttheabilitytothinkcriticallytodefendtheirideasandunderstandtheideasofotherstheycannotfullyparticipateinourdemocracy.ContinuingalongthispathsayswriterEarlShorrisWewillbecomeasecond-ratecountry.Wewillhavealesscivilsociety. IntellectisresentedasaformofpowerorprivilegewriteshistorianandprofessorRichardHofstadterinAnti-IntellectualisminAmericanLifeaPulitzer-Prizewinningbookontherootsofanti-intellectualisminUSpoliticsreligionandeducation.FromthebeginningofourhistorysaysHofstadterourdemocraticandpopulisturgeshavedrivenustorejectanythingthatsmellsofelitism.Practicalitycommonsenseandnativeintelligencehavebeenconsideredmorenoblequalitiesthananythingyoucouldlearnfromabook. RalphWaldoEmersonandotherTranscendentalistphilosophersthoughtschoolingandrigorousbooklearningputunnaturalrestraintsonchildren:WeareshutupinschoolsandcollegerecitationroomsforI0or15yearsandcomeoutatlastwithabellyfulofwordsanddonotknowathing.MarkTwain’’sHuckleberryFinnexemplifiedAmericananti-intellectualism.Itsheroavoidsbeingcivilized―goingtoschoolandlearningtoread―sohecanpreservehisinnategoodness. IntellectaccordingtoHofstadterisdifferentfromnativeintelligenceaqualitywereluctantlyadmire.Intellectisthecriticalcreativeandcontemplativesideofthemind.Intelligenceseekstograspmanipulatere-orderandadjustwhileintellectexaminesponderswonderstheorizescriticizesandimagines. Schoolremainsaplacewhereintellectismistrusted.Hofstadtersaysourcountry’’seducationalsystemisinthegripsofpeoplewhojoyfullyandmilitantlyproclaimtheirhostilitytointellectandtheireagernesstoidentifywithchildrenwhoshowtheleastintellectualpromise. TheviewsofRavitchandEmersononschoolingare
Inrecentyearsrailroadshavebeencombiningwitheachothermergingintosupersystemscausingheightenedconcernsaboutmonopoly.Asrecentlyas1995thetopfourrailroadsaccountedforunder70percentofthetotalton-milesmovedbyrails.Nextyearafteraseriesofmergersiscompletedjustfourrailroadswillcontrolwellover90percentofallthefreightmovedbymajorrailcarriers. Supportersofthenewsupersystemsarguethatthesemergerswillallowforsubstantialcostreductionsandbettercoordinatedservice.Anythreatofmonopolytheyargueisremovedbyfiercecompetitionfromtrucks.Butmanyshipperscomplainthatforheavybulkcommoditiestravelinglongdistancessuchascoalchemicalsandgraintruckingistoocostlyandtherailroadsthereforehavethembythethroat. Thevastconsolidationwithintherailindustrymeansthatmostshippersareservedbyonlyonerailcompany.Railroadstypicallychargesuchcaptiveshippers20to30percentmorethantheydowhenanotherrailroadiscompetingforthebusiness.Shipperswhofeeltheyarebeingoverchargedhavetherighttoappealtothefederalgovernment’’sSurfaceTransportationBoardforratereliefbuttheprocessisexpensivetimeconsumingandwillworkonlyintrulyextremecases. Railroadsjustifyratediscriminationagainstcaptiveshippersonthegroundsthatinthelongrunitreduceseveryone’’scost.Ifrailroadschargedallcustomersthesameaverageratetheyargueshipperswhohavetheoptionofswitchingtotrucksorotherformsoftransportationwoulddosoleavingremainingcustomerstoshoulderthecostofkeepinguptheline.It’’satheorytowhichmanyeconomistssubscribebutinpracticeitoftenleavesrailroadsinthepositionofdeterminingwhichcompanieswillflourishandwhichwillfail.DowereallywantrailroadstobethearbitersofwhowinsandwholosesinthemarketplaceasksMartinBercoviciaWashingtonlawyerwhofrequentlyrepresentsshippers. Manycaptiveshippersalsoworrytheywillsoonbehitwitharoundofhugerateincreases.Therailroadindustryasawholedespiteitsbrighteningfortunesstilldoesnotearnenoughtocoverthecostofthecapitalitmustinvesttokeepupwithitssurgingtraffic.YetrailroadscontinuetoborrowbillionstoacquireoneanotherwithWallStreetcheeringthemon.Considerthe$10.2billionbidbyNorfolkSouthernandCSXtoacquireConrailthisyear.Conrail’’snetrailwayoperatingincomein1996wasjust$427millionlessthanhalfofthecarryingcostsofthetransaction.Who’’sgoingtopayfortherestofthebillManycaptiveshippersfearthattheywillasNorfolkSouthernandCSXincreasetheirgriponthemarket. Itcanbeinferredfromparagraph3that
It’’saroughworldoutthere.Stepoutsideandyoucouldbreakalegslippingonyourdoormat.Lightupthestoveandyoucouldburndownthehouse.Luckilyifthedoormatorstovefailedtowarnofcomingdisasterasuccessfullawsuitmightcompensateyouforyourtroubles.Orsothethinkinghasgonesincetheearly1980swhenjuriesbeganholdingmorecompaniesliablefortheircustomers’’misfortunes. Feelingthreatenedcompaniesrespondedbywritingever-longerwarninglabelstryingtoanticipateeverypossibleaccident.Todaystepladderscarrylabelsseveralincheslongthatwarnamongotherthingsthatyoumight--surprise!--falloff.Thelabelonachild’’sBatmancapecautionsthatthetoydoesnotenableusertofly. Whilewarningsareoftenappropriateandnecessary--thedangersofdruginteractionsforexample--andmanyarerequiredbystateorfederalregulationsitisn’’tclearthattheyactuallyprotectthemanufacturersandsellersfromliabilityifacustomerisinjured.About50percentofthecompanieslosewheninjuredcustomerstakethemtocourt. Nowthetideappearstobeturning.Aspersonalinjuryclaimscontinueasbeforesomecourtsarebeginningtosidewithdefendantsespeciallyincaseswhereawarninglabelprobablywouldn’’thavechangedanything.InMayJulieNimmonspresidentofSchuttSportsinIllinoissuccessfullyfoughtalawsuitinvolvingafootballplayerwhowasparalyzedinagamewhilewearingaSchutthelmet.We’’rereallysorryhehasbecomeparalyzedbuthelmetsaren’’tdesignedtopreventthosekindsofinjuriessaysNimmons.Thejuryagreedthatthenatureofthegamenotthehelmetwasthereasonfortheathlete’’sinjury.AtthesametimetheAmericanLawInstitute--agroupofjudgelawyersandacademicswhoserecommendationscarrysubstantialweight--issuednewguidelinesfortortlawstatingthatcompaniesneednotwarncustomersofobviousdangersorbombardthemwithalengthylistofpossibleones.ImportantinformationcangetburiedinaseaoftrivialitiessaysalawprofessoratCornellLawSchoolwhohelpeddraftthenewguidelines.Ifthemoderateendofthelegalcommunityhasitswaytheinformationonproductsmightactuallybeprovidedforthebenefitofcustomersandnotasprotectionagainstlegalliability. Theauthor’’sattitudetowardstheissueseemstobe____________.
在急性水肿型胰腺炎时为阴性在出血坏死型胰腺炎时为阳性的是
Americanstodaydon’’tplaceaveryhighvalueonintellect.Ourheroesareathletesentertainersandentrepreneursnotscholars.Evenourschoolsarewherewesendourchildrentogetapracticaleducation―nottopursueknowledgeforthesakeofknowledge.Symptomsofpervasiveanti-intellectualisminourschoolsaren’’tdifficulttofind. SchoolshavealwaysbeeninasocietywherepracticalismoreimportantthanintellectualsayseducationwriterDianeRavitch.Schoolscouldbeacounterbalance.Ravitch’’slatestbookLeftBack:ACenturyofFailedSchoolReformstracestherootsofanti-intellectualisminourschoolsconcludingtheyareanythingbutacounterbalancetotheAmericandistasteforintellectualpursuits. Buttheycouldandshouldbe.Encouragingkidstorejectthelifeofthemindleavesthemvulnerabletoexploitationandcontrol.Withouttheabilitytothinkcriticallytodefendtheirideasandunderstandtheideasofotherstheycannotfullyparticipateinourdemocracy.ContinuingalongthispathsayswriterEarlShorrisWewillbecomeasecond-ratecountry.Wewillhavealesscivilsociety. IntellectisresentedasaformofpowerorprivilegewriteshistorianandprofessorRichardHofstadterinAnti-IntellectualisminAmericanLifeaPulitzer-Prizewinningbookontherootsofanti-intellectualisminUSpoliticsreligionandeducation.FromthebeginningofourhistorysaysHofstadterourdemocraticandpopulisturgeshavedrivenustorejectanythingthatsmellsofelitism.Practicalitycommonsenseandnativeintelligencehavebeenconsideredmorenoblequalitiesthananythingyoucouldlearnfromabook. RalphWaldoEmersonandotherTranscendentalistphilosophersthoughtschoolingandrigorousbooklearningputunnaturalrestraintsonchildren:WeareshutupinschoolsandcollegerecitationroomsforI0or15yearsandcomeoutatlastwithabellyfulofwordsanddonotknowathing.MarkTwain’’sHuckleberryFinnexemplifiedAmericananti-intellectualism.Itsheroavoidsbeingcivilized―goingtoschoolandlearningtoread―sohecanpreservehisinnategoodness. IntellectaccordingtoHofstadterisdifferentfromnativeintelligenceaqualitywereluctantlyadmire.Intellectisthecriticalcreativeandcontemplativesideofthemind.Intelligenceseekstograspmanipulatere-orderandadjustwhileintellectexaminesponderswonderstheorizescriticizesandimagines. Schoolremainsaplacewhereintellectismistrusted.Hofstadtersaysourcountry’’seducationalsystemisinthegripsofpeoplewhojoyfullyandmilitantlyproclaimtheirhostilitytointellectandtheireagernesstoidentifywithchildrenwhoshowtheleastintellectualpromise. WhatdoAmericanparentsexpecttheirchildrentoacquireinschool
Inrecentyearsrailroadshavebeencombiningwitheachothermergingintosupersystemscausingheightenedconcernsaboutmonopoly.Asrecentlyas1995thetopfourrailroadsaccountedforunder70percentofthetotalton-milesmovedbyrails.Nextyearafteraseriesofmergersiscompletedjustfourrailroadswillcontrolwellover90percentofallthefreightmovedbymajorrailcarriers. Supportersofthenewsupersystemsarguethatthesemergerswillallowforsubstantialcostreductionsandbettercoordinatedservice.Anythreatofmonopolytheyargueisremovedbyfiercecompetitionfromtrucks.Butmanyshipperscomplainthatforheavybulkcommoditiestravelinglongdistancessuchascoalchemicalsandgraintruckingistoocostlyandtherailroadsthereforehavethembythethroat. Thevastconsolidationwithintherailindustrymeansthatmostshippersareservedbyonlyonerailcompany.Railroadstypicallychargesuchcaptiveshippers20to30percentmorethantheydowhenanotherrailroadiscompetingforthebusiness.Shipperswhofeeltheyarebeingoverchargedhavetherighttoappealtothefederalgovernment’’sSurfaceTransportationBoardforratereliefbuttheprocessisexpensivetimeconsumingandwillworkonlyintrulyextremecases. Railroadsjustifyratediscriminationagainstcaptiveshippersonthegroundsthatinthelongrunitreduceseveryone’’scost.Ifrailroadschargedallcustomersthesameaverageratetheyargueshipperswhohavetheoptionofswitchingtotrucksorotherformsoftransportationwoulddosoleavingremainingcustomerstoshoulderthecostofkeepinguptheline.It’’satheorytowhichmanyeconomistssubscribebutinpracticeitoftenleavesrailroadsinthepositionofdeterminingwhichcompanieswillflourishandwhichwillfail.DowereallywantrailroadstobethearbitersofwhowinsandwholosesinthemarketplaceasksMartinBercoviciaWashingtonlawyerwhofrequentlyrepresentsshippers. Manycaptiveshippersalsoworrytheywillsoonbehitwitharoundofhugerateincreases.Therailroadindustryasawholedespiteitsbrighteningfortunesstilldoesnotearnenoughtocoverthecostofthecapitalitmustinvesttokeepupwithitssurgingtraffic.YetrailroadscontinuetoborrowbillionstoacquireoneanotherwithWallStreetcheeringthemon.Considerthe$10.2billionbidbyNorfolkSouthernandCSXtoacquireConrailthisyear.Conrail’’snetrailwayoperatingincomein1996wasjust$427millionlessthanhalfofthecarryingcostsofthetransaction.Who’’sgoingtopayfortherestofthebillManycaptiveshippersfearthattheywillasNorfolkSouthernandCSXincreasetheirgriponthemarket. .Accordingtothetextthecostincreaseintherailindustryismainlycausedby
Cushing病的发生可由于
动作电位产生过程中膜内电位由负变正称为
Vitaminsareorganiccompoundsnecessaryinsmallamountsinthedietforthenormalgrowthandmaintenanceoflifeofanimalsincludingman. Theydonotprovideenergy________dotheyconstructorbuildanypartofthebody.Theyareneededfor________foodsintoenergyandbodymaintenance.Therearethirteenormoreofthemandif________ismissingadeficiencydiseasebecomes________. Vitaminsaresimilarbecausetheyaremadeofthesameelements―usuallycarbonhydrogenoxygenand______nitrogen.Theyaredifferent______theirelementsarearrangeddifferentlyandeachvitamin______oneormorespecificfunctionsinthebody. ________enoughvitaminsisessentialtolifealthoughthebodyhasnonutritionalusefor________vitamins.Manypeople________believeinbeingonthesafesideandthustakeextravitamins.Howeverawell-balanceddietwillusuallymeetallthebody’’svitaminneeds.
炎症时引起血管通透性增加的因素有
U.S.prisonsarefilledwithdrugoffenders;thenumberofprisonerstripledoverthepast20yearstonearly2millionwith60to70percenttestingpositiveforsubstanceabuseonarrest.Thecountryhasspentbillionsofdollarsattackingtheproblematitsroots.Butthereisgrowingconsensusthatthewarondrughasbeenlost.TheUnitedStatesisstilltheworld’’slargestconsumerofillegalsubstances;cocainecontinuestopourovertheborderfromMexico.Traffictapsintothenationalfrustrationdepictingthehorrorsofbothdrugsandthedrugwar.WithouttakingsidesthefilmilluminatesthenationaldebateandposesonalternativethatAmericansseemincreasinglywillingtoconsider:findingnewwaystotreatratherthanmerelypunishdrugabuse. Policyrevolutions―likelegalizingnarcoticsdrugsproducingsleeporinsensibility―remainadistantdream.ButthereisgrowingpublicawarenessthatthemoneyandenergywastedontryingtochecktheflowofdrugsintotheUnitedStatesmightbebetterspentontryingtocontroldemandinstead.Votersinseveralstatesarefaraheadofthepoliticiansapprovingballotinitiativesthatoffermoretreatmentopinions.Drugscourtsthatallowjudgestousecarrotsandstickstocompelsubstance-abusetreatmenthavegrownfifty-foldsincethemid-1990spartofanewunderstandingthatevenwithfrequentrelapsesreturnstoaformalstatetreatmentismuchlessexpensiveforsocietythanjailandban. Drugaddictionisincreasinglybeingviewedasmoreadiseasethanacrime.Scienceisyieldingcluesaboutthehedonicofpleasureregionofthebrainwhilebreakthroughmedicationsandgreaterunderstandingofthemental-healthproblemsthatunderliemanyaddictionsaregivingtherapistsnewtools. OfficialsacrosstheContinenthavealreadybegunshiftingtheirfocusfrompreventingdrugflowtorehabilitatingmakingabletoliveanormallifeagaindrugusers.ThenewEuropeanUnionDrugsStrategyfor2000-2004makesacommitmenttoincreasingthenumberofsuccessfullytreatedaddicts.GemanyItalyandLuxembourghavetransferredresponsibilityfordrugpolicyfromtheirMinistriesoftheInteriortotheMinistriesofHealthorSocialAffairs.InBritainthegovernmenthassetupaNationalTreatmentAgencytocoordinatetheeffortsofsocial-serviceagenciesandtheDepartmentofHealth.Anddrug-preventionandsupportagenciestherearegettingabout30percentmorefundingthisyear.Changingthemainnationalstrategyfromattackingdrugpusherstorehabilitatingaddictswon’’tcomeeasy.ButslowlysteadilyAmericanslikeEuropeansseemdeterminedtotry. ThewordTrafficinPar.1mostprobablymeans
下述哪些过程需要细胞本身耗能
Vitaminsareorganiccompoundsnecessaryinsmallamountsinthedietforthenormalgrowthandmaintenanceoflifeofanimalsincludingman. Theydonotprovideenergy________dotheyconstructorbuildanypartofthebody.Theyareneededfor________foodsintoenergyandbodymaintenance.Therearethirteenormoreofthemandif________ismissingadeficiencydiseasebecomes________. Vitaminsaresimilarbecausetheyaremadeofthesameelements―usuallycarbonhydrogenoxygenand______nitrogen.Theyaredifferent______theirelementsarearrangeddifferentlyandeachvitamin______oneormorespecificfunctionsinthebody. ________enoughvitaminsisessentialtolifealthoughthebodyhasnonutritionalusefor________vitamins.Manypeople________believeinbeingonthesafesideandthustakeextravitamins.Howeverawell-balanceddietwillusuallymeetallthebody’’svitaminneeds.
全身性感染时下列哪些因素可造成对机体的损害
鼓膜
Vitaminsareorganiccompoundsnecessaryinsmallamountsinthedietforthenormalgrowthandmaintenanceoflifeofanimalsincludingman. Theydonotprovideenergy________dotheyconstructorbuildanypartofthebody.Theyareneededfor________foodsintoenergyandbodymaintenance.Therearethirteenormoreofthemandif________ismissingadeficiencydiseasebecomes________. Vitaminsaresimilarbecausetheyaremadeofthesameelements―usuallycarbonhydrogenoxygenand______nitrogen.Theyaredifferent______theirelementsarearrangeddifferentlyandeachvitamin______oneormorespecificfunctionsinthebody. ________enoughvitaminsisessentialtolifealthoughthebodyhasnonutritionalusefor________vitamins.Manypeople________believeinbeingonthesafesideandthustakeextravitamins.Howeverawell-balanceddietwillusuallymeetallthebody’’svitaminneeds.
关于脑动脉粥样硬化的描述正确的是
尿嘧啶分解代谢的终产物有
Inrecentyearsrailroadshavebeencombiningwitheachothermergingintosupersystemscausingheightenedconcernsaboutmonopoly.Asrecentlyas1995thetopfourrailroadsaccountedforunder70percentofthetotalton-milesmovedbyrails.Nextyearafteraseriesofmergersiscompletedjustfourrailroadswillcontrolwellover90percentofallthefreightmovedbymajorrailcarriers. Supportersofthenewsupersystemsarguethatthesemergerswillallowforsubstantialcostreductionsandbettercoordinatedservice.Anythreatofmonopolytheyargueisremovedbyfiercecompetitionfromtrucks.Butmanyshipperscomplainthatforheavybulkcommoditiestravelinglongdistancessuchascoalchemicalsandgraintruckingistoocostlyandtherailroadsthereforehavethembythethroat. Thevastconsolidationwithintherailindustrymeansthatmostshippersareservedbyonlyonerailcompany.Railroadstypicallychargesuchcaptiveshippers20to30percentmorethantheydowhenanotherrailroadiscompetingforthebusiness.Shipperswhofeeltheyarebeingoverchargedhavetherighttoappealtothefederalgovernment’’sSurfaceTransportationBoardforratereliefbuttheprocessisexpensivetimeconsumingandwillworkonlyintrulyextremecases. Railroadsjustifyratediscriminationagainstcaptiveshippersonthegroundsthatinthelongrunitreduceseveryone’’scost.Ifrailroadschargedallcustomersthesameaverageratetheyargueshipperswhohavetheoptionofswitchingtotrucksorotherformsoftransportationwoulddosoleavingremainingcustomerstoshoulderthecostofkeepinguptheline.It’’satheorytowhichmanyeconomistssubscribebutinpracticeitoftenleavesrailroadsinthepositionofdeterminingwhichcompanieswillflourishandwhichwillfail.DowereallywantrailroadstobethearbitersofwhowinsandwholosesinthemarketplaceasksMartinBercoviciaWashingtonlawyerwhofrequentlyrepresentsshippers. Manycaptiveshippersalsoworrytheywillsoonbehitwitharoundofhugerateincreases.Therailroadindustryasawholedespiteitsbrighteningfortunesstilldoesnotearnenoughtocoverthecostofthecapitalitmustinvesttokeepupwithitssurgingtraffic.YetrailroadscontinuetoborrowbillionstoacquireoneanotherwithWallStreetcheeringthemon.Considerthe$10.2billionbidbyNorfolkSouthernandCSXtoacquireConrailthisyear.Conrail’’snetrailwayoperatingincomein1996wasjust$427millionlessthanhalfofthecarryingcostsofthetransaction.Who’’sgoingtopayfortherestofthebillManycaptiveshippersfearthattheywillasNorfolkSouthernandCSXincreasetheirgriponthemarket. .Accordingtothosewhosupportmergersrailwaymonopolyisunlikelybecause
Americanstodaydon’’tplaceaveryhighvalueonintellect.Ourheroesareathletesentertainersandentrepreneursnotscholars.Evenourschoolsarewherewesendourchildrentogetapracticaleducation―nottopursueknowledgeforthesakeofknowledge.Symptomsofpervasiveanti-intellectualisminourschoolsaren’’tdifficulttofind. SchoolshavealwaysbeeninasocietywherepracticalismoreimportantthanintellectualsayseducationwriterDianeRavitch.Schoolscouldbeacounterbalance.Ravitch’’slatestbookLeftBack:ACenturyofFailedSchoolReformstracestherootsofanti-intellectualisminourschoolsconcludingtheyareanythingbutacounterbalancetotheAmericandistasteforintellectualpursuits. Buttheycouldandshouldbe.Encouragingkidstorejectthelifeofthemindleavesthemvulnerabletoexploitationandcontrol.Withouttheabilitytothinkcriticallytodefendtheirideasandunderstandtheideasofotherstheycannotfullyparticipateinourdemocracy.ContinuingalongthispathsayswriterEarlShorrisWewillbecomeasecond-ratecountry.Wewillhavealesscivilsociety. IntellectisresentedasaformofpowerorprivilegewriteshistorianandprofessorRichardHofstadterinAnti-IntellectualisminAmericanLifeaPulitzer-Prizewinningbookontherootsofanti-intellectualisminUSpoliticsreligionandeducation.FromthebeginningofourhistorysaysHofstadterourdemocraticandpopulisturgeshavedrivenustorejectanythingthatsmellsofelitism.Practicalitycommonsenseandnativeintelligencehavebeenconsideredmorenoblequalitiesthananythingyoucouldlearnfromabook. RalphWaldoEmersonandotherTranscendentalistphilosophersthoughtschoolingandrigorousbooklearningputunnaturalrestraintsonchildren:WeareshutupinschoolsandcollegerecitationroomsforI0or15yearsandcomeoutatlastwithabellyfulofwordsanddonotknowathing.MarkTwain’’sHuckleberryFinnexemplifiedAmericananti-intellectualism.Itsheroavoidsbeingcivilized―goingtoschoolandlearningtoread―sohecanpreservehisinnategoodness. IntellectaccordingtoHofstadterisdifferentfromnativeintelligenceaqualitywereluctantlyadmire.Intellectisthecriticalcreativeandcontemplativesideofthemind.Intelligenceseekstograspmanipulatere-orderandadjustwhileintellectexaminesponderswonderstheorizescriticizesandimagines. Schoolremainsaplacewhereintellectismistrusted.Hofstadtersaysourcountry’’seducationalsystemisinthegripsofpeoplewhojoyfullyandmilitantlyproclaimtheirhostilitytointellectandtheireagernesstoidentifywithchildrenwhoshowtheleastintellectualpromise. Whatdoestheauthorthinkofintellect
Vitaminsareorganiccompoundsnecessaryinsmallamountsinthedietforthenormalgrowthandmaintenanceoflifeofanimalsincludingman. Theydonotprovideenergy________dotheyconstructorbuildanypartofthebody.Theyareneededfor________foodsintoenergyandbodymaintenance.Therearethirteenormoreofthemandif________ismissingadeficiencydiseasebecomes________. Vitaminsaresimilarbecausetheyaremadeofthesameelements―usuallycarbonhydrogenoxygenand______nitrogen.Theyaredifferent______theirelementsarearrangeddifferentlyandeachvitamin______oneormorespecificfunctionsinthebody. ________enoughvitaminsisessentialtolifealthoughthebodyhasnonutritionalusefor________vitamins.Manypeople________believeinbeingonthesafesideandthustakeextravitamins.Howeverawell-balanceddietwillusuallymeetallthebody’’svitaminneeds.
It’’saroughworldoutthere.Stepoutsideandyoucouldbreakalegslippingonyourdoormat.Lightupthestoveandyoucouldburndownthehouse.Luckilyifthedoormatorstovefailedtowarnofcomingdisasterasuccessfullawsuitmightcompensateyouforyourtroubles.Orsothethinkinghasgonesincetheearly1980swhenjuriesbeganholdingmorecompaniesliablefortheircustomers’’misfortunes. Feelingthreatenedcompaniesrespondedbywritingever-longerwarninglabelstryingtoanticipateeverypossibleaccident.Todaystepladderscarrylabelsseveralincheslongthatwarnamongotherthingsthatyoumight--surprise!--falloff.Thelabelonachild’’sBatmancapecautionsthatthetoydoesnotenableusertofly. Whilewarningsareoftenappropriateandnecessary--thedangersofdruginteractionsforexample--andmanyarerequiredbystateorfederalregulationsitisn’’tclearthattheyactuallyprotectthemanufacturersandsellersfromliabilityifacustomerisinjured.About50percentofthecompanieslosewheninjuredcustomerstakethemtocourt. Nowthetideappearstobeturning.Aspersonalinjuryclaimscontinueasbeforesomecourtsarebeginningtosidewithdefendantsespeciallyincaseswhereawarninglabelprobablywouldn’’thavechangedanything.InMayJulieNimmonspresidentofSchuttSportsinIllinoissuccessfullyfoughtalawsuitinvolvingafootballplayerwhowasparalyzedinagamewhilewearingaSchutthelmet.We’’rereallysorryhehasbecomeparalyzedbuthelmetsaren’’tdesignedtopreventthosekindsofinjuriessaysNimmons.Thejuryagreedthatthenatureofthegamenotthehelmetwasthereasonfortheathlete’’sinjury.AtthesametimetheAmericanLawInstitute--agroupofjudgelawyersandacademicswhoserecommendationscarrysubstantialweight--issuednewguidelinesfortortlawstatingthatcompaniesneednotwarncustomersofobviousdangersorbombardthemwithalengthylistofpossibleones.ImportantinformationcangetburiedinaseaoftrivialitiessaysalawprofessoratCornellLawSchoolwhohelpeddraftthenewguidelines.Ifthemoderateendofthelegalcommunityhasitswaytheinformationonproductsmightactuallybeprovidedforthebenefitofcustomersandnotasprotectionagainstlegalliability. Manufacturersasmentionedinthepassagetendto____________.
成人脊柱结核并发截瘫可见于
Vitaminsareorganiccompoundsnecessaryinsmallamountsinthedietforthenormalgrowthandmaintenanceoflifeofanimalsincludingman. Theydonotprovideenergy________dotheyconstructorbuildanypartofthebody.Theyareneededfor________foodsintoenergyandbodymaintenance.Therearethirteenormoreofthemandif________ismissingadeficiencydiseasebecomes________. Vitaminsaresimilarbecausetheyaremadeofthesameelements―usuallycarbonhydrogenoxygenand______nitrogen.Theyaredifferent______theirelementsarearrangeddifferentlyandeachvitamin______oneormorespecificfunctionsinthebody. ________enoughvitaminsisessentialtolifealthoughthebodyhasnonutritionalusefor________vitamins.Manypeople________believeinbeingonthesafesideandthustakeextravitamins.Howeverawell-balanceddietwillusuallymeetallthebody’’svitaminneeds.
可表现为小叶性肺炎的有
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