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以下各项中不属阳明腑实证临床表现的是
大便秘结
翕翕发热
谵语
腹满硬痛
喘
下列各项不属阳明腑实证的临床表现
大便秘结
翕翕发热
谵语
腹满硬痛
喘
下列除哪项外均是阳明腑实证的临床表现
身热不扬
腹胀拒按
舌苔焦黑
谵语狂乱
大便秘结
下列各项中不属阳明腑实证临床表现的是
大便秘结
翕翕发热
谵语
腹满硬痛
喘
下列各项不属于阳明腑实证临床表现的是.
脉沉实
日晡潮热
身热不扬
腹胀拒按
大便秘结
患者男28岁小便频数大便秘结症见大便干结难下腹部胀满不舒脉沉滑舌苔干黄以麻仁丸一料而愈麻仁丸的主治是
寒积里实证
肠热津亏证
肠痈初起，湿热瘀滞证
阳明腑实证
水热互结之大结胸证
对于阳明腑实证临床见症不会有
舌苔黄燥
身热不扬
日晡热甚
腹胀拒按
大便秘结
下列除哪项外均为阳明腑实证的临床表现
高热不退
日晡热甚
身热不扬
腑胀拒按
大便秘结
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Whatoursocietysuffersfrommosttodayistheabsenceofconsensusaboutwhatitandlifeinitoughttobe;suchconsensuscannotbegainedfromsociety’spresentstageorfromfantasiesaboutwhatitoughttobe.Forthatthepresentistoocloseandtoodiversifiedandthefuturetoouncertaintomakebelievableclaimsaboutit.AconsensusinthepresenthencecanbeachievedonlythroughasharedunderstandingofthepastasHomer’sepicsinformedthosewholivedcenturieslaterwhatitmeanttobeGreekandbywhatimagesandidealstheyweretolivetheirlivesandorganizetheirsocieties. Mostsocietiesderiveconsensusfromalonghistoryalanguagealltheirownacommonreligioncommonancestry.Themythsbywhichtheylivearebasedonallofthese.ButtheUnitedStatesisacountryofimmigrantscomingfromagreatvarietyofnations.LatelyithasbeenemphasizedthatanasocialnarcissisticpersonalityhasbecomecharacteristicofAmericansandthatitisthistypeofpersonalitythatmakesforthelackofwell-beingbecauseitpreventsusfromachievingconsensusthatwouldcounteractatendencytowithdrawintoprivateworlds.InthisstudyofnarcissismChristopherLashsaysthatmodernman"torturedbyself-consciousnessturnstonewtherapiesnottofreehimselfofhispersonalworriesbuttofindmeaningandpurposeinlifetofindsomethingtolivefor".Thereiswidespreaddistressbecausenationalmoralehasdeclinedandwehavelostanearliersenseofnationalvisionandpurpose. Contrarytorigidreligionsorpoliticalbeliefsasarefoundintotalitariansocietiesourcultureisoneofthegreatindividualdifferencesatleastinprincipleandintheory;butthisleadstodisunityevenchaos.Americansbelieveinthevalueofdiversitybutjustbecauseoursisasocietybasedonindividualdiversityitneedsconsensusaboutsomedominatingideasmorethansocietiesbasedonuniformoriginoftheircitizens.Henceifwearetohaveconsensusitmustbebasedonamyth--avisionaboutacommonexperienceaconquestthatmadeusAmericansasthemythabouttheconquestofTroyformedtheGreeks.Onlyacommonmythcanofferrelieffromthefearthatlifeiswithoutmeaningorpurpose.Mythspermitustoexamineourplaceintheworldbycomparingittoasharedidea.Mythsaresharedfantasiesthatformthetie.thatbindstheindividualtoothermembersofhisgroup.Suchmythshelptowardofffeelingsofisolationsguiltanxietyandpurposelessness--inshorttheycombatisolationandthebreakdownofsocialstandardsandvalues. Americansmayfindthemselvesinasocietycharacterizedby
Asoneworkswithcolorinapracticalorexperimentalwayoneisimpressedbytwoapparentlyunrelatedfacts.Colorasseenisamobilechangeablething1toalargeextentontherelationshipofthecolor2othercolors3simultaneously.Itisnot4initsrelationtothedirectstimuluswhich5it.Ontheotherhandthepropertiesofsurfacesthatgive6tocolordonotseemtochangegreatlyunderawidevarietyofilluminationcolorusuallybutnotalwayslookingmuchthesameinartificiallightasindaylight.Bothoftheseeffectsseemtobe7inlargeparttothemechanismofcolor8. Whentheeyeis9toacoloredareathereisanimmediatereadjustmentofthe10oftheeyetocolorinandaroundthearea11.Thisreadjustmentdoesnotpromptlyaffectthecolorseenbutusuallydoesaffectthenextareatowhichthe12isshifted.Thelongerthetimeofviewingthehigherthe13andthelargertheareathegreatertheeffectwillbe14itspersistenceinthe15viewingsituation.AsindicatedbytheworkofWrightandSchoutenitappearsthatat16forafirstapproximationfulladaptationtakesplaceover17timeiftheadaptingsourceismoderatelybrightandtheeyehasbeenin18darknessjustpreviously.Also19ofthepersistenceoftheeffectiftheeyeisshiftedaroundfromoneobjecttoanotherallofwhichareatsimilarbrightnessorhavesimilarcolorstheadaptationwilltendtobecome20overthewholeeye. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCorDonANSWERSHEET1.7
设fx在[ab]上二阶可导且fx＜0x0∈[ab]证明fx≤fx0+f’x0x-x0等号成立当且仅当x=x0并证明fx在ab内是上凸的函数Ⅱ设fx∈C[01]且fx＞0证明．
Asoneworkswithcolorinapracticalorexperimentalwayoneisimpressedbytwoapparentlyunrelatedfacts.Colorasseenisamobilechangeablething1toalargeextentontherelationshipofthecolor2othercolors3simultaneously.Itisnot4initsrelationtothedirectstimuluswhich5it.Ontheotherhandthepropertiesofsurfacesthatgive6tocolordonotseemtochangegreatlyunderawidevarietyofilluminationcolorusuallybutnotalwayslookingmuchthesameinartificiallightasindaylight.Bothoftheseeffectsseemtobe7inlargeparttothemechanismofcolor8. Whentheeyeis9toacoloredareathereisanimmediatereadjustmentofthe10oftheeyetocolorinandaroundthearea11.Thisreadjustmentdoesnotpromptlyaffectthecolorseenbutusuallydoesaffectthenextareatowhichthe12isshifted.Thelongerthetimeofviewingthehigherthe13andthelargertheareathegreatertheeffectwillbe14itspersistenceinthe15viewingsituation.AsindicatedbytheworkofWrightandSchoutenitappearsthatat16forafirstapproximationfulladaptationtakesplaceover17timeiftheadaptingsourceismoderatelybrightandtheeyehasbeenin18darknessjustpreviously.Also19ofthepersistenceoftheeffectiftheeyeisshiftedaroundfromoneobjecttoanotherallofwhichareatsimilarbrightnessorhavesimilarcolorstheadaptationwilltendtobecome20overthewholeeye. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCorDonANSWERSHEET1.5
Asoneworkswithcolorinapracticalorexperimentalwayoneisimpressedbytwoapparentlyunrelatedfacts.Colorasseenisamobilechangeablething1toalargeextentontherelationshipofthecolor2othercolors3simultaneously.Itisnot4initsrelationtothedirectstimuluswhich5it.Ontheotherhandthepropertiesofsurfacesthatgive6tocolordonotseemtochangegreatlyunderawidevarietyofilluminationcolorusuallybutnotalwayslookingmuchthesameinartificiallightasindaylight.Bothoftheseeffectsseemtobe7inlargeparttothemechanismofcolor8. Whentheeyeis9toacoloredareathereisanimmediatereadjustmentofthe10oftheeyetocolorinandaroundthearea11.Thisreadjustmentdoesnotpromptlyaffectthecolorseenbutusuallydoesaffectthenextareatowhichthe12isshifted.Thelongerthetimeofviewingthehigherthe13andthelargertheareathegreatertheeffectwillbe14itspersistenceinthe15viewingsituation.AsindicatedbytheworkofWrightandSchoutenitappearsthatat16forafirstapproximationfulladaptationtakesplaceover17timeiftheadaptingsourceismoderatelybrightandtheeyehasbeenin18darknessjustpreviously.Also19ofthepersistenceoftheeffectiftheeyeisshiftedaroundfromoneobjecttoanotherallofwhichareatsimilarbrightnessorhavesimilarcolorstheadaptationwilltendtobecome20overthewholeeye. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCorDonANSWERSHEET1.13
设其中F为可微函数则为
计算二重积分其中区域D是由直线x=-2y=0y=2及曲线所围成的平面区域．
Whatoursocietysuffersfrommosttodayistheabsenceofconsensusaboutwhatitandlifeinitoughttobe;suchconsensuscannotbegainedfromsociety’spresentstageorfromfantasiesaboutwhatitoughttobe.Forthatthepresentistoocloseandtoodiversifiedandthefuturetoouncertaintomakebelievableclaimsaboutit.AconsensusinthepresenthencecanbeachievedonlythroughasharedunderstandingofthepastasHomer’sepicsinformedthosewholivedcenturieslaterwhatitmeanttobeGreekandbywhatimagesandidealstheyweretolivetheirlivesandorganizetheirsocieties. Mostsocietiesderiveconsensusfromalonghistoryalanguagealltheirownacommonreligioncommonancestry.Themythsbywhichtheylivearebasedonallofthese.ButtheUnitedStatesisacountryofimmigrantscomingfromagreatvarietyofnations.LatelyithasbeenemphasizedthatanasocialnarcissisticpersonalityhasbecomecharacteristicofAmericansandthatitisthistypeofpersonalitythatmakesforthelackofwell-beingbecauseitpreventsusfromachievingconsensusthatwouldcounteractatendencytowithdrawintoprivateworlds.InthisstudyofnarcissismChristopherLashsaysthatmodernman"torturedbyself-consciousnessturnstonewtherapiesnottofreehimselfofhispersonalworriesbuttofindmeaningandpurposeinlifetofindsomethingtolivefor".Thereiswidespreaddistressbecausenationalmoralehasdeclinedandwehavelostanearliersenseofnationalvisionandpurpose. Contrarytorigidreligionsorpoliticalbeliefsasarefoundintotalitariansocietiesourcultureisoneofthegreatindividualdifferencesatleastinprincipleandintheory;butthisleadstodisunityevenchaos.Americansbelieveinthevalueofdiversitybutjustbecauseoursisasocietybasedonindividualdiversityitneedsconsensusaboutsomedominatingideasmorethansocietiesbasedonuniformoriginoftheircitizens.Henceifwearetohaveconsensusitmustbebasedonamyth--avisionaboutacommonexperienceaconquestthatmadeusAmericansasthemythabouttheconquestofTroyformedtheGreeks.Onlyacommonmythcanofferrelieffromthefearthatlifeiswithoutmeaningorpurpose.Mythspermitustoexamineourplaceintheworldbycomparingittoasharedidea.Mythsaresharedfantasiesthatformthetie.thatbindstheindividualtoothermembersofhisgroup.Suchmythshelptowardofffeelingsofisolationsguiltanxietyandpurposelessness--inshorttheycombatisolationandthebreakdownofsocialstandardsandvalues. TheauthorconcludesthatonlysharedmythscanhelpAmericans
Whenadiseaseofepidemicproportionsripsintothepopulacescientistsimmediatelygettoworktryingtolocatethesourceoftheafflictionandfindwaystocombatit.Oftentimessuccessisachievedasmedicalscienceisabletoisolatetheparasitegermorcellthatcausestheproblemandfindswaystoeffectivelykillorcontainit.Inthemostseriousofcasesinwhichtheentirepopulationofaregionorcountrymaybeatgraveriskitisdeemednecessarytoprotecttheentirepopulationthroughvaccinationsoastosafeguardlivesandensurethatthediseasewillnotspread. Theprocessofvaccinationallowsthepatient’sbodytodevelopimmunitytothevirusordiseasesothatifitisencounteredonecanwarditoffnaturally.Toaccomplishthisasmallweakordeadstrainofthediseaseisactuallyinjectedintothepatientinacontrolledenvironmentsothathisbody’simmunesystemcanlearntofighttheinvaderproperly.Informationonhowtopenetratethedisease’sdefensesistransmittedtoallelementsofthepatient’simmunesysteminaprocessthatoccursnaturallyinwhichgeneticinformationispassedfromcelltocell.Thismakessurethatshouldthepatientlatercomeintocontactwiththerealproblemhisbodyiswellequippedandtrainedtodealwithithavingalreadydonesobefore. Therearedangersinherentintheprocesshowever.Onoccasioneventheweakenedversionofthediseasecontainedinthevaccineprovestoomuchforthebodytohandleresultingintheimmunesystemsuccumbingandthereforethepatient’sdeath.SuchisthecaseofthesmallpoxvaccinedesignedtoeradicatethesmallpoxepidemicthatnearlywipedouttheentireNativeAmericanpopulationandkilledmassivenumbersofsettlers.Approximately1in10000peoplewhoreceivesthevaccinecontractthesmallpoxdiseasefromthevaccineitselfanddiesfromit.ThusiftheentirepopulationoftheUnitedStatesweretoreceivetheSmallpoxVaccinetoday3000Americanswouldbeleftdead. Fortunatelythesmallpoxviruswasconsiderederadicatedintheearly1970’sendingthemandatoryvaccinationofallbabiesinAmerica.Intheeventofareintroductionofthediseasehowevermandatoryvaccinationsmayresumeresultinginmoreunexpecteddeathsfromvaccination.Theprocesswhichistrulyamixedblessingmayindeedhidesomehiddencurses. ThephrasewarditoffnaturallyParagraph2mostprobablymeans
Asoneworkswithcolorinapracticalorexperimentalwayoneisimpressedbytwoapparentlyunrelatedfacts.Colorasseenisamobilechangeablething1toalargeextentontherelationshipofthecolor2othercolors3simultaneously.Itisnot4initsrelationtothedirectstimuluswhich5it.Ontheotherhandthepropertiesofsurfacesthatgive6tocolordonotseemtochangegreatlyunderawidevarietyofilluminationcolorusuallybutnotalwayslookingmuchthesameinartificiallightasindaylight.Bothoftheseeffectsseemtobe7inlargeparttothemechanismofcolor8. Whentheeyeis9toacoloredareathereisanimmediatereadjustmentofthe10oftheeyetocolorinandaroundthearea11.Thisreadjustmentdoesnotpromptlyaffectthecolorseenbutusuallydoesaffectthenextareatowhichthe12isshifted.Thelongerthetimeofviewingthehigherthe13andthelargertheareathegreatertheeffectwillbe14itspersistenceinthe15viewingsituation.AsindicatedbytheworkofWrightandSchoutenitappearsthatat16forafirstapproximationfulladaptationtakesplaceover17timeiftheadaptingsourceismoderatelybrightandtheeyehasbeenin18darknessjustpreviously.Also19ofthepersistenceoftheeffectiftheeyeisshiftedaroundfromoneobjecttoanotherallofwhichareatsimilarbrightnessorhavesimilarcolorstheadaptationwilltendtobecome20overthewholeeye. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCorDonANSWERSHEET1.3
由方程所确定的函数z=zxy在点112处的全微分dz=______．
Inthenextcenturywe’llbeabletoalterourDNAradicallyencodingourvisionsandvanitieswhileconcoctingnewlife-forms.WhenDr.Frankensteinmadehismonsterhewrestledwiththemoralissueofwhetherheshouldallowittoreproduce"HadItherightformyownbenefittoinflictthecurseuponeverlastinggenerations"Willsuchquestionsrequireustodevelopnewmoralphilosophies Probablynot.Insteadwe’llreachagainforatime-testedmoralconceptonesometimescalledtheGoldenRuleandwhichKantthemillennium’smostprudentmoralistconjuredupintoacategoricalimperative:Dountoothersasyouwouldhavethemdountoyou;treateachpersonasanindividualratherthanasameanstosomeend. Underthismoralpreceptweshouldrecoilathumancloningbecauseitinevitablyentailsusinghumansasmeanstootherhumans’endsandvaluingthemascopiesofotherswelovedorascollectionsofbodypartsnotasindividualsintheirownright.WeshouldalsodrawalinehoweverfuzzythatwouldpermitusinggeneticengineeringtocurediseasesanddisabilitiesbutnottochangethepersonalattributesthatmakesomeoneanindividualIQphysicalappearancegenderandsexuality. Thebiotechagewillalsogiveusmorereasontoguardourpersonalprivacy.AldousHuxleyinBraveNewWorldgotitwrong:ratherthancentralizingpowerinthehandsofthestateDNAtechnologyhasempoweredindividualsandfamilies.Butthestatewillhaveanimportantrolemakingsurethatnooneincludinginsurancecompaniescanlookatourgeneticdatawithoutourpermissionoruseittodiscriminateagainstus. Thenwecangetreadyforthebreakthroughsthatcouldcomeattheendofthenextcenturyandthetechnologyiscomparabletomappingourgenes:plottingthe10billionormoreneuronsofourbrain.Withthatinformationwemightsomedaybeabletocreateartificialintelligencesthatthinkandexperienceconsciousnessinwaysthatareindistinguishablefromahumanbrain.Eventuallywemightbeabletoreplicateourownmindsina"dry-ware"machinesothatwecouldliveonwithoutthe"wet-ware"ofabiologicalbrainandbody.The20thcentury’srevolutionininfotechnologywilltherebymergewiththe21stcentury’srevolutioninbiotechnology.Butthisissciencefiction.Let’sturnthepagenowandgetbacktorealscience. Itcanbeconcludedfromthetextthatthetechnologyofhumancloningshouldbeemployed
设矩阵矩阵A满足B-1=B*A+A则A=______．
设D为xOy平面上的有界闭区域z=fxy在D上连续在D内可偏导且满足+若fxy在D内没有零点则fxy在D上
Asoneworkswithcolorinapracticalorexperimentalwayoneisimpressedbytwoapparentlyunrelatedfacts.Colorasseenisamobilechangeablething1toalargeextentontherelationshipofthecolor2othercolors3simultaneously.Itisnot4initsrelationtothedirectstimuluswhich5it.Ontheotherhandthepropertiesofsurfacesthatgive6tocolordonotseemtochangegreatlyunderawidevarietyofilluminationcolorusuallybutnotalwayslookingmuchthesameinartificiallightasindaylight.Bothoftheseeffectsseemtobe7inlargeparttothemechanismofcolor8. Whentheeyeis9toacoloredareathereisanimmediatereadjustmentofthe10oftheeyetocolorinandaroundthearea11.Thisreadjustmentdoesnotpromptlyaffectthecolorseenbutusuallydoesaffectthenextareatowhichthe12isshifted.Thelongerthetimeofviewingthehigherthe13andthelargertheareathegreatertheeffectwillbe14itspersistenceinthe15viewingsituation.AsindicatedbytheworkofWrightandSchoutenitappearsthatat16forafirstapproximationfulladaptationtakesplaceover17timeiftheadaptingsourceismoderatelybrightandtheeyehasbeenin18darknessjustpreviously.Also19ofthepersistenceoftheeffectiftheeyeisshiftedaroundfromoneobjecttoanotherallofwhichareatsimilarbrightnessorhavesimilarcolorstheadaptationwilltendtobecome20overthewholeeye. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCorDonANSWERSHEET1.1
设问abc为何值时矩阵方程AX=B有解有解时求出全部解．
Whenadiseaseofepidemicproportionsripsintothepopulacescientistsimmediatelygettoworktryingtolocatethesourceoftheafflictionandfindwaystocombatit.Oftentimessuccessisachievedasmedicalscienceisabletoisolatetheparasitegermorcellthatcausestheproblemandfindswaystoeffectivelykillorcontainit.Inthemostseriousofcasesinwhichtheentirepopulationofaregionorcountrymaybeatgraveriskitisdeemednecessarytoprotecttheentirepopulationthroughvaccinationsoastosafeguardlivesandensurethatthediseasewillnotspread. Theprocessofvaccinationallowsthepatient’sbodytodevelopimmunitytothevirusordiseasesothatifitisencounteredonecanwarditoffnaturally.Toaccomplishthisasmallweakordeadstrainofthediseaseisactuallyinjectedintothepatientinacontrolledenvironmentsothathisbody’simmunesystemcanlearntofighttheinvaderproperly.Informationonhowtopenetratethedisease’sdefensesistransmittedtoallelementsofthepatient’simmunesysteminaprocessthatoccursnaturallyinwhichgeneticinformationispassedfromcelltocell.Thismakessurethatshouldthepatientlatercomeintocontactwiththerealproblemhisbodyiswellequippedandtrainedtodealwithithavingalreadydonesobefore. Therearedangersinherentintheprocesshowever.Onoccasioneventheweakenedversionofthediseasecontainedinthevaccineprovestoomuchforthebodytohandleresultingintheimmunesystemsuccumbingandthereforethepatient’sdeath.SuchisthecaseofthesmallpoxvaccinedesignedtoeradicatethesmallpoxepidemicthatnearlywipedouttheentireNativeAmericanpopulationandkilledmassivenumbersofsettlers.Approximately1in10000peoplewhoreceivesthevaccinecontractthesmallpoxdiseasefromthevaccineitselfanddiesfromit.ThusiftheentirepopulationoftheUnitedStatesweretoreceivetheSmallpoxVaccinetoday3000Americanswouldbeleftdead. Fortunatelythesmallpoxviruswasconsiderederadicatedintheearly1970’sendingthemandatoryvaccinationofallbabiesinAmerica.Intheeventofareintroductionofthediseasehowevermandatoryvaccinationsmayresumeresultinginmoreunexpecteddeathsfromvaccination.Theprocesswhichistrulyamixedblessingmayindeedhidesomehiddencurses. Thepurposeoftheauthorinwritingthispassageis
Asoneworkswithcolorinapracticalorexperimentalwayoneisimpressedbytwoapparentlyunrelatedfacts.Colorasseenisamobilechangeablething1toalargeextentontherelationshipofthecolor2othercolors3simultaneously.Itisnot4initsrelationtothedirectstimuluswhich5it.Ontheotherhandthepropertiesofsurfacesthatgive6tocolordonotseemtochangegreatlyunderawidevarietyofilluminationcolorusuallybutnotalwayslookingmuchthesameinartificiallightasindaylight.Bothoftheseeffectsseemtobe7inlargeparttothemechanismofcolor8. Whentheeyeis9toacoloredareathereisanimmediatereadjustmentofthe10oftheeyetocolorinandaroundthearea11.Thisreadjustmentdoesnotpromptlyaffectthecolorseenbutusuallydoesaffectthenextareatowhichthe12isshifted.Thelongerthetimeofviewingthehigherthe13andthelargertheareathegreatertheeffectwillbe14itspersistenceinthe15viewingsituation.AsindicatedbytheworkofWrightandSchoutenitappearsthatat16forafirstapproximationfulladaptationtakesplaceover17timeiftheadaptingsourceismoderatelybrightandtheeyehasbeenin18darknessjustpreviously.Also19ofthepersistenceoftheeffectiftheeyeisshiftedaroundfromoneobjecttoanotherallofwhichareatsimilarbrightnessorhavesimilarcolorstheadaptationwilltendtobecome20overthewholeeye. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCorDonANSWERSHEET1.19
Whatoursocietysuffersfrommosttodayistheabsenceofconsensusaboutwhatitandlifeinitoughttobe;suchconsensuscannotbegainedfromsociety’spresentstageorfromfantasiesaboutwhatitoughttobe.Forthatthepresentistoocloseandtoodiversifiedandthefuturetoouncertaintomakebelievableclaimsaboutit.AconsensusinthepresenthencecanbeachievedonlythroughasharedunderstandingofthepastasHomer’sepicsinformedthosewholivedcenturieslaterwhatitmeanttobeGreekandbywhatimagesandidealstheyweretolivetheirlivesandorganizetheirsocieties. Mostsocietiesderiveconsensusfromalonghistoryalanguagealltheirownacommonreligioncommonancestry.Themythsbywhichtheylivearebasedonallofthese.ButtheUnitedStatesisacountryofimmigrantscomingfromagreatvarietyofnations.LatelyithasbeenemphasizedthatanasocialnarcissisticpersonalityhasbecomecharacteristicofAmericansandthatitisthistypeofpersonalitythatmakesforthelackofwell-beingbecauseitpreventsusfromachievingconsensusthatwouldcounteractatendencytowithdrawintoprivateworlds.InthisstudyofnarcissismChristopherLashsaysthatmodernman"torturedbyself-consciousnessturnstonewtherapiesnottofreehimselfofhispersonalworriesbuttofindmeaningandpurposeinlifetofindsomethingtolivefor".Thereiswidespreaddistressbecausenationalmoralehasdeclinedandwehavelostanearliersenseofnationalvisionandpurpose. Contrarytorigidreligionsorpoliticalbeliefsasarefoundintotalitariansocietiesourcultureisoneofthegreatindividualdifferencesatleastinprincipleandintheory;butthisleadstodisunityevenchaos.Americansbelieveinthevalueofdiversitybutjustbecauseoursisasocietybasedonindividualdiversityitneedsconsensusaboutsomedominatingideasmorethansocietiesbasedonuniformoriginoftheircitizens.Henceifwearetohaveconsensusitmustbebasedonamyth--avisionaboutacommonexperienceaconquestthatmadeusAmericansasthemythabouttheconquestofTroyformedtheGreeks.Onlyacommonmythcanofferrelieffromthefearthatlifeiswithoutmeaningorpurpose.Mythspermitustoexamineourplaceintheworldbycomparingittoasharedidea.Mythsaresharedfantasiesthatformthetie.thatbindstheindividualtoothermembersofhisgroup.Suchmythshelptowardofffeelingsofisolationsguiltanxietyandpurposelessness--inshorttheycombatisolationandthebreakdownofsocialstandardsandvalues. Thistextismainlyintendedto
Euthanasiaisclearlyadeliberateandintentionalaspectofakilling.Takingahumanlifeevenwithsubtleritesandconsentofthepartyinvolvedisbarbaric.Noonecanjustlykillanotherhumanbeing.Justasitiswrongforaserialkillertomurderitiswrongforaphysiciantodosoaswellnomatterwhatthemotivefordoingsomaybe. ManythinkersincludingalmostallorthodoxCatholicsbelievethateuthanasiaisimmoral.Theyopposekillingpatientsinanycircumstanceswhatever.Howevertheythinkitisallrightinsomespecialcircumstancestoallowpatientstodiebywithholdingtreatment.TheAmericanMedicalAssociation’spolicystatementonmercykillingsupportsthistraditionalview.Inmypaper"ActiveandPassiveEuthanasia"Iargueagainstthetraditionalviewthatthereisinfactnonormaldifferencebetweenkillingandlettingdie--ifoneispermissiblethensoistheother. ProfessorSullivandoesnotdisputemyargument;insteadhedismissesitasirrelevant.Thetraditionaldoctrinehesaysdoesnotappealtoordependonthedistinctionbetweenkillingandlettingdie.Thereforeargumentsagainstthatdistinction"leavethetraditionalpositionuntouched." IsmyargumentreallyirrelevantIdon’tseehowitcanbe.AsSullivanhimselfpointsoutnearlyeveryoneholdsthatitissometimesmeaninglesstoprolongtheprocessofdyingandthatinthosecasesitismorallypermissibletoletapatientdieeventhoughafewmorehoursordayscouldbesavedbyproceduresthatwouldalsoincreasetheagoniesofthedying.Butifitisimpossibletodefendageneraldistinctionbetweenlettingpeopledieandactingtoterminatetheirlivesdirectlythenitwouldseemthatactiveeuthanasiaalsomaybemorallypermissible. ButtraditionalistslikeprofessorSullivanholdthatactiveeuthanasia--thedirectkillingofpatients--isnotmorallypermissible;soifmyargumentissoundtheirviewmustbemistaken.Icannotagreethenthatmyargument"leavethetraditionalpositionuntouched." HoweverIshallnotpressthispoint.InsteadIshallpresentsomefurtherargumentsagainstthetraditionalpositionconcentratingonthoseelementsofthepositionwhichprofessorSullivanhimselfthinksmostimportant.Accordingtohimwhatisimportantisfirstthatweshouldneverintentionallyterminatethelifeofapatienteitherbyactionoromissionandsecondthatwemayceaseoromittreatmentofapatientknowingthatthiswillresultindeathonlyifthemeansoftreatmentinvolvedareextraordinary. AccordingtotheauthortheviewsheldbytraditionalorthodoxCatholicsoneuthanasiais
设抛物线y=ax2+bx+c过点00及12其中a＜0确定abc使抛物线与x轴所围成的面积最小．
Asoneworkswithcolorinapracticalorexperimentalwayoneisimpressedbytwoapparentlyunrelatedfacts.Colorasseenisamobilechangeablething1toalargeextentontherelationshipofthecolor2othercolors3simultaneously.Itisnot4initsrelationtothedirectstimuluswhich5it.Ontheotherhandthepropertiesofsurfacesthatgive6tocolordonotseemtochangegreatlyunderawidevarietyofilluminationcolorusuallybutnotalwayslookingmuchthesameinartificiallightasindaylight.Bothoftheseeffectsseemtobe7inlargeparttothemechanismofcolor8. Whentheeyeis9toacoloredareathereisanimmediatereadjustmentofthe10oftheeyetocolorinandaroundthearea11.Thisreadjustmentdoesnotpromptlyaffectthecolorseenbutusuallydoesaffectthenextareatowhichthe12isshifted.Thelongerthetimeofviewingthehigherthe13andthelargertheareathegreatertheeffectwillbe14itspersistenceinthe15viewingsituation.AsindicatedbytheworkofWrightandSchoutenitappearsthatat16forafirstapproximationfulladaptationtakesplaceover17timeiftheadaptingsourceismoderatelybrightandtheeyehasbeenin18darknessjustpreviously.Also19ofthepersistenceoftheeffectiftheeyeisshiftedaroundfromoneobjecttoanotherallofwhichareatsimilarbrightnessorhavesimilarcolorstheadaptationwilltendtobecome20overthewholeeye. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCorDonANSWERSHEET1.17
Asoneworkswithcolorinapracticalorexperimentalwayoneisimpressedbytwoapparentlyunrelatedfacts.Colorasseenisamobilechangeablething1toalargeextentontherelationshipofthecolor2othercolors3simultaneously.Itisnot4initsrelationtothedirectstimuluswhich5it.Ontheotherhandthepropertiesofsurfacesthatgive6tocolordonotseemtochangegreatlyunderawidevarietyofilluminationcolorusuallybutnotalwayslookingmuchthesameinartificiallightasindaylight.Bothoftheseeffectsseemtobe7inlargeparttothemechanismofcolor8. Whentheeyeis9toacoloredareathereisanimmediatereadjustmentofthe10oftheeyetocolorinandaroundthearea11.Thisreadjustmentdoesnotpromptlyaffectthecolorseenbutusuallydoesaffectthenextareatowhichthe12isshifted.Thelongerthetimeofviewingthehigherthe13andthelargertheareathegreatertheeffectwillbe14itspersistenceinthe15viewingsituation.AsindicatedbytheworkofWrightandSchoutenitappearsthatat16forafirstapproximationfulladaptationtakesplaceover17timeiftheadaptingsourceismoderatelybrightandtheeyehasbeenin18darknessjustpreviously.Also19ofthepersistenceoftheeffectiftheeyeisshiftedaroundfromoneobjecttoanotherallofwhichareatsimilarbrightnessorhavesimilarcolorstheadaptationwilltendtobecome20overthewholeeye. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCorDonANSWERSHEET1.11
设fx=x2ln1+x则f500=______．
Whenadiseaseofepidemicproportionsripsintothepopulacescientistsimmediatelygettoworktryingtolocatethesourceoftheafflictionandfindwaystocombatit.Oftentimessuccessisachievedasmedicalscienceisabletoisolatetheparasitegermorcellthatcausestheproblemandfindswaystoeffectivelykillorcontainit.Inthemostseriousofcasesinwhichtheentirepopulationofaregionorcountrymaybeatgraveriskitisdeemednecessarytoprotecttheentirepopulationthroughvaccinationsoastosafeguardlivesandensurethatthediseasewillnotspread. Theprocessofvaccinationallowsthepatient’sbodytodevelopimmunitytothevirusordiseasesothatifitisencounteredonecanwarditoffnaturally.Toaccomplishthisasmallweakordeadstrainofthediseaseisactuallyinjectedintothepatientinacontrolledenvironmentsothathisbody’simmunesystemcanlearntofighttheinvaderproperly.Informationonhowtopenetratethedisease’sdefensesistransmittedtoallelementsofthepatient’simmunesysteminaprocessthatoccursnaturallyinwhichgeneticinformationispassedfromcelltocell.Thismakessurethatshouldthepatientlatercomeintocontactwiththerealproblemhisbodyiswellequippedandtrainedtodealwithithavingalreadydonesobefore. Therearedangersinherentintheprocesshowever.Onoccasioneventheweakenedversionofthediseasecontainedinthevaccineprovestoomuchforthebodytohandleresultingintheimmunesystemsuccumbingandthereforethepatient’sdeath.SuchisthecaseofthesmallpoxvaccinedesignedtoeradicatethesmallpoxepidemicthatnearlywipedouttheentireNativeAmericanpopulationandkilledmassivenumbersofsettlers.Approximately1in10000peoplewhoreceivesthevaccinecontractthesmallpoxdiseasefromthevaccineitselfanddiesfromit.ThusiftheentirepopulationoftheUnitedStatesweretoreceivetheSmallpoxVaccinetoday3000Americanswouldbeleftdead. Fortunatelythesmallpoxviruswasconsiderederadicatedintheearly1970’sendingthemandatoryvaccinationofallbabiesinAmerica.Intheeventofareintroductionofthediseasehowevermandatoryvaccinationsmayresumeresultinginmoreunexpecteddeathsfromvaccination.Theprocesswhichistrulyamixedblessingmayindeedhidesomehiddencurses. Thebesttitleforthetextmaybe
Inthenextcenturywe’llbeabletoalterourDNAradicallyencodingourvisionsandvanitieswhileconcoctingnewlife-forms.WhenDr.Frankensteinmadehismonsterhewrestledwiththemoralissueofwhetherheshouldallowittoreproduce"HadItherightformyownbenefittoinflictthecurseuponeverlastinggenerations"Willsuchquestionsrequireustodevelopnewmoralphilosophies Probablynot.Insteadwe’llreachagainforatime-testedmoralconceptonesometimescalledtheGoldenRuleandwhichKantthemillennium’smostprudentmoralistconjuredupintoacategoricalimperative:Dountoothersasyouwouldhavethemdountoyou;treateachpersonasanindividualratherthanasameanstosomeend. Underthismoralpreceptweshouldrecoilathumancloningbecauseitinevitablyentailsusinghumansasmeanstootherhumans’endsandvaluingthemascopiesofotherswelovedorascollectionsofbodypartsnotasindividualsintheirownright.WeshouldalsodrawalinehoweverfuzzythatwouldpermitusinggeneticengineeringtocurediseasesanddisabilitiesbutnottochangethepersonalattributesthatmakesomeoneanindividualIQphysicalappearancegenderandsexuality. Thebiotechagewillalsogiveusmorereasontoguardourpersonalprivacy.AldousHuxleyinBraveNewWorldgotitwrong:ratherthancentralizingpowerinthehandsofthestateDNAtechnologyhasempoweredindividualsandfamilies.Butthestatewillhaveanimportantrolemakingsurethatnooneincludinginsurancecompaniescanlookatourgeneticdatawithoutourpermissionoruseittodiscriminateagainstus. Thenwecangetreadyforthebreakthroughsthatcouldcomeattheendofthenextcenturyandthetechnologyiscomparabletomappingourgenes:plottingthe10billionormoreneuronsofourbrain.Withthatinformationwemightsomedaybeabletocreateartificialintelligencesthatthinkandexperienceconsciousnessinwaysthatareindistinguishablefromahumanbrain.Eventuallywemightbeabletoreplicateourownmindsina"dry-ware"machinesothatwecouldliveonwithoutthe"wet-ware"ofabiologicalbrainandbody.The20thcentury’srevolutionininfotechnologywilltherebymergewiththe21stcentury’srevolutioninbiotechnology.Butthisissciencefiction.Let’sturnthepagenowandgetbacktorealscience. Accordingtothelastparagraphdry-wareistowet-wareas
n元线性方程组Ax=b有唯一解的充要条件是
Asoneworkswithcolorinapracticalorexperimentalwayoneisimpressedbytwoapparentlyunrelatedfacts.Colorasseenisamobilechangeablething1toalargeextentontherelationshipofthecolor2othercolors3simultaneously.Itisnot4initsrelationtothedirectstimuluswhich5it.Ontheotherhandthepropertiesofsurfacesthatgive6tocolordonotseemtochangegreatlyunderawidevarietyofilluminationcolorusuallybutnotalwayslookingmuchthesameinartificiallightasindaylight.Bothoftheseeffectsseemtobe7inlargeparttothemechanismofcolor8. Whentheeyeis9toacoloredareathereisanimmediatereadjustmentofthe10oftheeyetocolorinandaroundthearea11.Thisreadjustmentdoesnotpromptlyaffectthecolorseenbutusuallydoesaffectthenextareatowhichthe12isshifted.Thelongerthetimeofviewingthehigherthe13andthelargertheareathegreatertheeffectwillbe14itspersistenceinthe15viewingsituation.AsindicatedbytheworkofWrightandSchoutenitappearsthatat16forafirstapproximationfulladaptationtakesplaceover17timeiftheadaptingsourceismoderatelybrightandtheeyehasbeenin18darknessjustpreviously.Also19ofthepersistenceoftheeffectiftheeyeisshiftedaroundfromoneobjecttoanotherallofwhichareatsimilarbrightnessorhavesimilarcolorstheadaptationwilltendtobecome20overthewholeeye. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCorDonANSWERSHEET1.15
Asoneworkswithcolorinapracticalorexperimentalwayoneisimpressedbytwoapparentlyunrelatedfacts.Colorasseenisamobilechangeablething1toalargeextentontherelationshipofthecolor2othercolors3simultaneously.Itisnot4initsrelationtothedirectstimuluswhich5it.Ontheotherhandthepropertiesofsurfacesthatgive6tocolordonotseemtochangegreatlyunderawidevarietyofilluminationcolorusuallybutnotalwayslookingmuchthesameinartificiallightasindaylight.Bothoftheseeffectsseemtobe7inlargeparttothemechanismofcolor8. Whentheeyeis9toacoloredareathereisanimmediatereadjustmentofthe10oftheeyetocolorinandaroundthearea11.Thisreadjustmentdoesnotpromptlyaffectthecolorseenbutusuallydoesaffectthenextareatowhichthe12isshifted.Thelongerthetimeofviewingthehigherthe13andthelargertheareathegreatertheeffectwillbe14itspersistenceinthe15viewingsituation.AsindicatedbytheworkofWrightandSchoutenitappearsthatat16forafirstapproximationfulladaptationtakesplaceover17timeiftheadaptingsourceismoderatelybrightandtheeyehasbeenin18darknessjustpreviously.Also19ofthepersistenceoftheeffectiftheeyeisshiftedaroundfromoneobjecttoanotherallofwhichareatsimilarbrightnessorhavesimilarcolorstheadaptationwilltendtobecome20overthewholeeye. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCorDonANSWERSHEET1.9
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