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肝郁有热，症见心腹胁肋疼痛，时发时止，口苦，舌红苔黄，脉弦数者，治宜选用
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症见胁肋胀痛身目发黄口苦阴部瘙痒带下色黄臭秽舌红苔黄腻脉弦滑数此属于
肝郁气滞证
肝胆湿热证
胆郁痰扰证
肝火炽盛证
湿热蕴脾证
女30岁胸腹胁肋疼痛时发时止口苦舌红苔黄脉弦数治疗应选用
良附丸
失笑散
左金丸
金铃子散
逍遥散
李某中年女性平素性喜抑郁每于情绪不好时出现发热以面部烘热最为突出伴有颜面红赤太息频频口苦咽干乳房胀痛
男女性别
病程长短
治疗难易
发热是否随情绪变化而波动
是否伴见口苦咽干胸胁苦满等症状
患者喜某女心腹胁肋疼痛时发时止口苦舌红苔黄脉弦数治宜选
失笑散
大柴胡汤
金铃子散
一贯煎
左金丸
此时治疗宜选用什么方药提示若该患者肝郁有热刻下症见心腹胁肋疼痛时发时止食热益甚口苦舌红苔黄脉象弦数
逍遥散
丹参饮
越鞠丸
金铃子散
柴胡舒肝散
病历摘要李鬃女16岁因胁痛3月余于2007年1月9日前来就诊患者1年前全身面目俱黄住某医院治疗诊断为
逍遥散
丹参饮
越鞠丸
金铃子散
柴胡舒肝散
胸胁胀痛心烦口苦小便短黄大便溏热舌红苔黄腻脉弦数见于
肝郁化热
肝经湿热
二者均对
二者均不对
患者喜某女心腹胁肋疼痛时发时止口苦舌红苔黄脉弦数治宜选用
失笑散
一贯煎
大柴胡汤
左金丸
金铃子散
肝郁有热心腹胁肋疼痛时发时止食热益甚口苦舌红苔黄脉象弦数者治宜选用
丹参饮
金铃子散
逍遥散
越鞠丸
柴胡疏肝散
女30岁胸腹胁肋疼痛时发时止口苦舌红苔黄脉弦数治疗应选用
失笑散
金铃子散
良附丸
左金丸
患者陈某女心腹胁肋疼痛时发时止口苦舌红苔黄脉弦数治宜选用
左金丸
失笑散
大柴胡汤
一贯煎
金铃子散
患者女性40岁现症见胁肋胀痛或灼热疼痛口苦口黏胸闷纳呆恶心呕吐小便黄赤大便不爽身目发黄舌红苔黄腻脉弦
肝胆湿热证
肝胃不和证
肝郁气滞证
肝阴不足证
胆郁脾虚证
低热热势随情绪而起伏精神抑郁胁肋胀满烦躁易怒口干而苦舌质红苔黄脉弦数辨证属于气郁发热证
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Wellhemadeitup.Allofitapparently.AccordingtoareportpublishedonDecember29thbySeoulNationalUniversityinSouthKoreaitserstwhileemployeeHwangWoo-sukwhohadtenderedhisresignationsixdaysearlierdeliberatelyfalsifiedhisdatainthepaperonhumanembryonicstemcellsthatheand24colleaguespublishedinScienceinMay2005.InparticularDrHwangclaimedhehadcreated11coloniesofhumanembryonicstemcellsgeneticallymatchedtospecificpatients.HehadalreadyadmittedthatnineofthesewerebogusbuthadsaidthatthiswastheresultofanhonestmistakeandthattheothertwowerestilltherealMcCoy.Apanelofexpertsappointedbytheuniversitytoinvestigatethematterhoweverdisagreed.TheyfoundthatDNAfingerprinttracesconductedonthestem-celllinesreportedinthepaperhadbeenmanipulatedtomakeitseemasifall11linesweretailoredtospecificpatients.Infactnoneofthemmatchedthevolunteerswithspinal-cordinjuriesanddiabeteswhohaddonatedskincellsforthework.ToobtainhispromisingresultsDrHwanghadsentfortestingtwosamplesfromeachdonorratherthanasamplefromthedonorandasampleofthecellsintowhichthedonor’sDNAhadsupposedlybeentransplanted.Thepanelalsofoundthatasecondclaiminthepaper-thatonly185eggswereusedtocreatethe11stem-celllines-wasfalse.Theinvestigatorssaidtheactualnumberofeggsusedwasfarlargerinthethousandsalthoughtheywereunabletodetermineanexactfigure.Thereasonthisdoublefraudissuchablowisthathumanembryonicstem-cellresearchhasgreatexpectations.StemcellswhichhavenotyetbeenprogrammedtospecialiseandcanthusinprinciplegrowintoanytissueororgancouldbeusedtotreatillnessesrangingfromdiabetestoParkinson’sdisease.Theymightevenbeabletofixspinal-cordinjuries.AndstemcellsclonedfromapatientwouldnotberejectedasforeignbyhisimmunesystemDrHwang’sreputationofcourseisintatters.Theuniversityisnowinvestigatingtwoothergroundbreakingexperimentsheclaimstohaveconducted-thecreationoftheworld’sfirstclonedhumanembryoandtheextractionofstemcellsfromitandthecreationoftheworld’sfirstcloneddog.Heisalsointroubleforbreachingethicalguidelinesbyusingeggsdonatedbymembersofhisresearchteam.Anditisevenpossiblethatthewholefarcemayhavebeenfornothing.Clonedembryosmightbetheidealsourceofstemcellsintendedtotreatdiseasebutifitprovestoodifficulttocreatethemarough-and-readyalternativemaysuffice.Thebesttitleforthepassagemaybe______.
设二阶连续可导
根据科斯定理分配私人产权
差分方程
Newspaperpublishersmakemoneymainlyfromsubscribersandadvertisers.It’sbeenthatwayforcenturies.ButinthelastfewyearsanimportantnewincomestreamhasopenedupfornewspapersAmongthepioneersisTheGazetteCompanyinCedarRapidsIowawhichsince1993hasbeenprovidinginformationtoitsreadersdeliveredbybothpaperandincreasinglytheWeb."IfanewspaperviewsitselfasinkonpaperIdon’tthinkitwillsurvive"saysSteveHannahvicepresidentofinformationtechnology. 46Onlinenewspapersarealookintothefutureandjustponderingitraisesthequestionofwhetheritisn’tnicergettingourdailynewscurledupinyourfavoritechairwithyourballpointpenhandytocircleitemsofinterestsorscissorsreadytosnipoutarticlesyouwanttosave.TheGazetteCompanyisbettingitssubscriberswantbothelectronicandpaperoptionsandsofaritseemstoberight. TherestoftheworldismovingintocyberspacemoreslowlythantheUnitedStatesandinthedevelopingworldtheInternethashardlypenetratedatall.47U.N.SecretaryGeneralKofiAnnanisdeterminedtochangethisthroughtheUnitedNationsInformationTechnologyServicewhichwilltrainlargenumbersofpeopletotapintotheincome-enhancingpoweroftheInternet.AnnanisalsoproposinganInternethealthnetworkthatwillprovidestate-of-the-artmedicalknowledgeto10000clinicsandhospitalsinpoorcountries. TheonrushingCyberAgehasgivennewfoundpowertousallasseeninJodyWilliams’sone-womanorganizationusinge-mailtopromoteaglobalbanonlandmines.Yetthisisbutaglimpseofwhat’saheadinthemindsofthoseimmersedinthisgreatandacceleratingtransformation. 48AtMicrosoftBillGatespredictsthatby2018majornewspaperswill"publishtheirlastpapereditionsandmovesolelytoelectronicdistribution"andthatby2020dictionarieswillredefinebooksas"e-Booktitlesreadonscreen". 49ComputershavemetamorphosedfromtheUniversityofPennsylvania’s1946ENIAC--whosemorethan17000vacuumtubeshadlessnumber-crunchingpowerthantoday’slaptop--intothumbnail-sizedcomputerchipscontaining42milliontransistors.WilliamVanDusenWishardpresidentofWorldTrendsResearchisconcerned.50InaspeechtotheIssueManagementCouncilinWashingtonD.Chenotedthat"researchersatCarnegieMellonUniversityciteatwo-yearstud!showingdepressionandlonelinessappearingatgreaterlevelsinep.e.2pleusingtheInternetthaninothersnotusingitornotusingitasmuch.ExtensiveexposuretothewiderworldviatheNetappearstomakepeoplelesssatisfiedwiththeirpersonallives./ ComputershavemetamorphosedfromtheUniversityofPennsylvania’s1946ENIAC--whosemorethan17000vacuumtubeshadlessnumber-crunchingpowerthantoday’slaptop--intothumbnail-sizedcomputerchipscontaining42milliontransistors
A.Concernedcitizensandscientistshavebeguntotakeaction.Awiderangeofsolutionsisbeingproposedtostopthedestructionofbiodiversityattheregionalaswellasthegloballevel.Since1985theefforthasbecomemorepreciselychartedeconomicallyefficientandpoliticallysensitive. B.Thenewbiodiversitystudieswillleadlogicallytoanelectronicencyclopediaoflifedesignedtoorganizeandmakeimmediatelyavailableeverythingknownabouteachofthemillionsofspecies.Theindustrializedcountrieswillleadforatime.Howeverthebulkoftheworkmusteventuallybedoneinthedevelopingcountries.Thelattercontainsmostoftheworldspeciesandtheyaredestinedtobenefitsoonestfromtheresearch.Thetechnologyneededisrelativelyinexpensiveanditstransfercanbeaccomplishedquickly.Thediscoveriesgeneratedcanbeapplieddirectlytomeettheconcernsofgreatestimportancetothegeographicregioninwhichtheresearchisconductedbeingequallyrelevanttoagriculturemedicineandeconomicgrowth. C.Inthemidstofthisrichnessoflifeformshowevertherateofspeciesextinctionisrisingchieflythroughhabitatdestruction.Mostseriousofallistheconversionoftropicalrainforestswheremostspeciesofanimalsandplantslive.Theratehasbeenestimatedbytwoindependentmethodstofallbetween100and10000timesthepre-humanbackgroundratewith1000timesbeingthemostwidelyacceptedfigure.Thepriceultimatelytobepaidforthiscataclysmisbeyondmeasureinforegonescientificknowledge;newpharmaceuticalandotherproducts;ecosystemsservicessuchaswaterpurificationandsoilrenewal;andnotleastaestheticandspiritualbenefits. D.SincethecurrenthierarchicalbinomialclassificationwasintroducedbyCarolusLinnaeus250yearsago10percentataguessofthespeciesoforganismshavebeendescribed.Itisbelievedthatmostandperhapsnearlyalloftheremaining90percentcanbediscovereddiagnosedandnamedinaslittleasabout25years.Thatpotentialistheresultoftwodevelopmentsneededtoacceleratebiodiversitystudies. E.Theincreasingattentiongiventothebiodiversitycrisishighlightstheinadequacyofbiodiversityresearchitself.Earthremainsinthisrespectarelativelyunexploredplanet.Thetotalnumberofdescribedandformallynamedspeciesoforganismshasgrownbutnotbymuchandtodayisgenerallybelievedtoliesomewherebetween1.5millionand1.8millionThefullnumberincludingspeciesyettobediscoveredhasbeenestimatedinvariousaccountsthatdifferaccordingtoassumptionsandmethodsfromanimprobablylow3.5milliontoanimprobablyhigh100million.Byfarthegreatestfractionoftheunknownspecieswillbeinsectsandmicroorganisms. F.Thepastdecadehaswitnessedtheemergenceofamuchclearerpictureofthemagnitudeofthebiodiversityproblem.Putsimplythebiospherehasprovedtobemorediversethanwasearliersupposedespeciallyinthecaseofsmallmicroorganisms.AnentiredomainoflifetheArchaeahasbeendistinguishedfromthebacteriaandahugestillmostlyunknownandenergeticallyindependentenvironmenthasbeenfoundtoextendthreekilometersormorebelowthesurfaceofEarth.G .Thefirstisinformationtechnologywithwhichhigh-resolutiondigitizedimagesofspecimenscannowbeobtained.Moreovertypespecimensscatteredinmuseumsaroundtheworldcannowbephotographedandmadeinstantlyavailableeverywhereas"types"ontheInternet.ThesecondrevolutionabouttocatapultbiodiversitystudiesforwardisgenomicswhichwillsoonenablescientiststodescribebacterialandAchaeanspeciesbypartialDNAsequencesandtosubsequentlyidentifythembygeneticbarcoding. 43
A.Concernedcitizensandscientistshavebeguntotakeaction.Awiderangeofsolutionsisbeingproposedtostopthedestructionofbiodiversityattheregionalaswellasthegloballevel.Since1985theefforthasbecomemorepreciselychartedeconomicallyefficientandpoliticallysensitive. B.Thenewbiodiversitystudieswillleadlogicallytoanelectronicencyclopediaoflifedesignedtoorganizeandmakeimmediatelyavailableeverythingknownabouteachofthemillionsofspecies.Theindustrializedcountrieswillleadforatime.Howeverthebulkoftheworkmusteventuallybedoneinthedevelopingcountries.Thelattercontainsmostoftheworldspeciesandtheyaredestinedtobenefitsoonestfromtheresearch.Thetechnologyneededisrelativelyinexpensiveanditstransfercanbeaccomplishedquickly.Thediscoveriesgeneratedcanbeapplieddirectlytomeettheconcernsofgreatestimportancetothegeographicregioninwhichtheresearchisconductedbeingequallyrelevanttoagriculturemedicineandeconomicgrowth. C.Inthemidstofthisrichnessoflifeformshowevertherateofspeciesextinctionisrisingchieflythroughhabitatdestruction.Mostseriousofallistheconversionoftropicalrainforestswheremostspeciesofanimalsandplantslive.Theratehasbeenestimatedbytwoindependentmethodstofallbetween100and10000timesthepre-humanbackgroundratewith1000timesbeingthemostwidelyacceptedfigure.Thepriceultimatelytobepaidforthiscataclysmisbeyondmeasureinforegonescientificknowledge;newpharmaceuticalandotherproducts;ecosystemsservicessuchaswaterpurificationandsoilrenewal;andnotleastaestheticandspiritualbenefits. D.SincethecurrenthierarchicalbinomialclassificationwasintroducedbyCarolusLinnaeus250yearsago10percentataguessofthespeciesoforganismshavebeendescribed.Itisbelievedthatmostandperhapsnearlyalloftheremaining90percentcanbediscovereddiagnosedandnamedinaslittleasabout25years.Thatpotentialistheresultoftwodevelopmentsneededtoacceleratebiodiversitystudies. E.Theincreasingattentiongiventothebiodiversitycrisishighlightstheinadequacyofbiodiversityresearchitself.Earthremainsinthisrespectarelativelyunexploredplanet.Thetotalnumberofdescribedandformallynamedspeciesoforganismshasgrownbutnotbymuchandtodayisgenerallybelievedtoliesomewherebetween1.5millionand1.8millionThefullnumberincludingspeciesyettobediscoveredhasbeenestimatedinvariousaccountsthatdifferaccordingtoassumptionsandmethodsfromanimprobablylow3.5milliontoanimprobablyhigh100million.Byfarthegreatestfractionoftheunknownspecieswillbeinsectsandmicroorganisms. F.Thepastdecadehaswitnessedtheemergenceofamuchclearerpictureofthemagnitudeofthebiodiversityproblem.Putsimplythebiospherehasprovedtobemorediversethanwasearliersupposedespeciallyinthecaseofsmallmicroorganisms.AnentiredomainoflifetheArchaeahasbeendistinguishedfromthebacteriaandahugestillmostlyunknownandenergeticallyindependentenvironmenthasbeenfoundtoextendthreekilometersormorebelowthesurfaceofEarth.G .Thefirstisinformationtechnologywithwhichhigh-resolutiondigitizedimagesofspecimenscannowbeobtained.Moreovertypespecimensscatteredinmuseumsaroundtheworldcannowbephotographedandmadeinstantlyavailableeverywhereas"types"ontheInternet.ThesecondrevolutionabouttocatapultbiodiversitystudiesforwardisgenomicswhichwillsoonenablescientiststodescribebacterialandAchaeanspeciesbypartialDNAsequencesandtosubsequentlyidentifythembygeneticbarcoding. 45
下面会导致债券价格上涨的有
关于收入效应和替代效应以下说法正确的是
下列哪项不是欧洲债券市场的主要对象
设fx二阶可导且f0=0令确定a的取值使得gx为连续函数
设1≤a＜b≤e证明函数fx=xln2x满足不等式
Newspaperpublishersmakemoneymainlyfromsubscribersandadvertisers.It’sbeenthatwayforcenturies.ButinthelastfewyearsanimportantnewincomestreamhasopenedupfornewspapersAmongthepioneersisTheGazetteCompanyinCedarRapidsIowawhichsince1993hasbeenprovidinginformationtoitsreadersdeliveredbybothpaperandincreasinglytheWeb."IfanewspaperviewsitselfasinkonpaperIdon’tthinkitwillsurvive"saysSteveHannahvicepresidentofinformationtechnology. 46Onlinenewspapersarealookintothefutureandjustponderingitraisesthequestionofwhetheritisn’tnicergettingourdailynewscurledupinyourfavoritechairwithyourballpointpenhandytocircleitemsofinterestsorscissorsreadytosnipoutarticlesyouwanttosave.TheGazetteCompanyisbettingitssubscriberswantbothelectronicandpaperoptionsandsofaritseemstoberight. TherestoftheworldismovingintocyberspacemoreslowlythantheUnitedStatesandinthedevelopingworldtheInternethashardlypenetratedatall.47U.N.SecretaryGeneralKofiAnnanisdeterminedtochangethisthroughtheUnitedNationsInformationTechnologyServicewhichwilltrainlargenumbersofpeopletotapintotheincome-enhancingpoweroftheInternet.AnnanisalsoproposinganInternethealthnetworkthatwillprovidestate-of-the-artmedicalknowledgeto10000clinicsandhospitalsinpoorcountries. TheonrushingCyberAgehasgivennewfoundpowertousallasseeninJodyWilliams’sone-womanorganizationusinge-mailtopromoteaglobalbanonlandmines.Yetthisisbutaglimpseofwhat’saheadinthemindsofthoseimmersedinthisgreatandacceleratingtransformation. 48AtMicrosoftBillGatespredictsthatby2018majornewspaperswill"publishtheirlastpapereditionsandmovesolelytoelectronicdistribution"andthatby2020dictionarieswillredefinebooksas"e-Booktitlesreadonscreen". 49ComputershavemetamorphosedfromtheUniversityofPennsylvania’s1946ENIAC--whosemorethan17000vacuumtubeshadlessnumber-crunchingpowerthantoday’slaptop--intothumbnail-sizedcomputerchipscontaining42milliontransistors.WilliamVanDusenWishardpresidentofWorldTrendsResearchisconcerned.50InaspeechtotheIssueManagementCouncilinWashingtonD.Chenotedthat"researchersatCarnegieMellonUniversityciteatwo-yearstud!showingdepressionandlonelinessappearingatgreaterlevelsinep.e.2pleusingtheInternetthaninothersnotusingitornotusingitasmuch.ExtensiveexposuretothewiderworldviatheNetappearstomakepeoplelesssatisfiedwiththeirpersonallives./ U.N.SecretaryGeneralKofiAnnanisdeterminedtochangethisthroughtheUnitedNationsInformationTechnologyServicewhichwilltrainlargenumbersofpeopletotapintotheincome-enhancingpoweroftheInternet.
设α1α2β1β2为三维列向量组且α1α2与β1β2都线性无关．设求出可由两组向量同时表示的向量．
Directions:Youareacollegegraduateandtryto.findajobinajointventureYoufindfromanadvertisementthatthereisacompanythatsuitsyouverywell.Writealetterofapplicationbasedonthefollowingoutline:1abriefinformationaboutyourself;2yourabilitytotakethejob;3othernecessaryintroduction.Youshouldwriteabout100wordsonANSWERSHEET2.DonotsignyourownnameattheendoftheletterUseLiMinginsteadYoudonotneedtowritetheaddress.
设某工厂生产甲乙两种产品当这两种产品的产量分别为q1吨与q2吨时总收入函数为Rq1q2=万元设生产1吨甲产品要支付排污费1万元生产1吨乙产品要支付排污费2万元．如不限制排污费支出这两种产品产量分别为多少时总利润最大最大利润多少
米德冲突是指的冲突
设fx为连续函数且f1=1则
AccordingtostudiescitedbytheNationalEatingDisordersAssociation42percentofgirlsinfirstthroughthirdgradewanttobethinner81percentof10-year-oldsareafraidofbeingfatand51percentof9-and10-year-oldgirlsfeelbetteraboutthemselvesiftheyareonadiet.Inmanywaysthisfixationonweightateverearlieragescomesataninopportunetimephysiologically.AtarecentHadassahmeetingattheWoodlandsCommunityTempleinWhitePlainsDr.MaxcieSchneiderthedirectorofadolescentmedicineatGreenwichHospitalandEricaLeonaregistereddietitianspokeaboutearlyadolescenceasatimewhenalittlebitofpudginessisnecessaryforpropergrowthandyoungsterswrestleconstantlywiththeirbodyimage.Ican’ttellyouhowmanykidsI’veseenwho’vebeenontheAtkinsdietorontheSouthBeachdietMs.Leonsaidaddingthatoverweightchildrenwhotrydietscanbeatriskofdevelopingeatingdisorders.AfterthepresentationthreemothersfromHartsdalewhowantedtohelptheirchildrenavoidsuchissuesspokeabouthowtheiryoungdaughtersarealreadybeginningtobecomeweight-conscious.Anorexiaisamentalillnessinwhichthevictimeatsbarelyenoughtosurvivebecauseherdistortedthinkingmakesherthinksheisfat.BulimiaamentalillnessinwhichsomeonebingesonlargeamountsoffoodthenpurgesitthroughvomitingortheabuseoflaxativesisontheriseandissurfacinginyoungerandyoungerpatientsmostlygirlssaidJudyScheelthedirectoroftheCenterforEatingDisorderRecoveryinMountKisco.About90percentofvictimsofeatingdisordersarefemaleandoftenthemalevictimsareonteamslikewrestlingandcrewwheretheymustkeeptheirweightlowforcompetitivereasons.Dr.Scheelbelievesthatwheregirlsclaimtheeatingdisorderenablesthemtobethinboystypicallystatetheirgoalistoachieveormaintainamuscularbutthinphysique.Theaverageonsetforbulimiausedtobe17buttoseeteenagersage14and15withbulimiaiscommonthesedaysDr.Scheelsaid.Otherpeoplebelievethedisordershavegeneticorchemicalcomponentsandmanypeoplewitheatingdisordersrespondwelltoanti-depressantsforexample.Acertainamountofeducationisnecessarytohelpyoungpeopleavoidbecomingobsessedwiththeirbodyimage.TeachersneedtostayoutsideoftalkingaboutdietsDr.Scheelsaid.It’slikeaparentalwaystalkingabouttheirnextdiet.Youhavetohelpachildunderstandthatifyoucathealthilyandexerciseyourbodyisgoingtotakecareofitself.AndinrelativelyhomogenouspopulationslikeinsomeWestchesterschoolscompetitionrunshigh.Sotheyoungpeopledon’treallyseehowbeautifuldiversityisshesaidandtheytendtoallbecompetingforkindofthesamegoals./WhichofthefollowingmayNOTbethereasonofeatingdisorders
AccordingtostudiescitedbytheNationalEatingDisordersAssociation42percentofgirlsinfirstthroughthirdgradewanttobethinner81percentof10-year-oldsareafraidofbeingfatand51percentof9-and10-year-oldgirlsfeelbetteraboutthemselvesiftheyareonadiet.Inmanywaysthisfixationonweightateverearlieragescomesataninopportunetimephysiologically.AtarecentHadassahmeetingattheWoodlandsCommunityTempleinWhitePlainsDr.MaxcieSchneiderthedirectorofadolescentmedicineatGreenwichHospitalandEricaLeonaregistereddietitianspokeaboutearlyadolescenceasatimewhenalittlebitofpudginessisnecessaryforpropergrowthandyoungsterswrestleconstantlywiththeirbodyimage.Ican’ttellyouhowmanykidsI’veseenwho’vebeenontheAtkinsdietorontheSouthBeachdietMs.Leonsaidaddingthatoverweightchildrenwhotrydietscanbeatriskofdevelopingeatingdisorders.AfterthepresentationthreemothersfromHartsdalewhowantedtohelptheirchildrenavoidsuchissuesspokeabouthowtheiryoungdaughtersarealreadybeginningtobecomeweight-conscious.Anorexiaisamentalillnessinwhichthevictimeatsbarelyenoughtosurvivebecauseherdistortedthinkingmakesherthinksheisfat.BulimiaamentalillnessinwhichsomeonebingesonlargeamountsoffoodthenpurgesitthroughvomitingortheabuseoflaxativesisontheriseandissurfacinginyoungerandyoungerpatientsmostlygirlssaidJudyScheelthedirectoroftheCenterforEatingDisorderRecoveryinMountKisco.About90percentofvictimsofeatingdisordersarefemaleandoftenthemalevictimsareonteamslikewrestlingandcrewwheretheymustkeeptheirweightlowforcompetitivereasons.Dr.Scheelbelievesthatwheregirlsclaimtheeatingdisorderenablesthemtobethinboystypicallystatetheirgoalistoachieveormaintainamuscularbutthinphysique.Theaverageonsetforbulimiausedtobe17buttoseeteenagersage14and15withbulimiaiscommonthesedaysDr.Scheelsaid.Otherpeoplebelievethedisordershavegeneticorchemicalcomponentsandmanypeoplewitheatingdisordersrespondwelltoanti-depressantsforexample.Acertainamountofeducationisnecessarytohelpyoungpeopleavoidbecomingobsessedwiththeirbodyimage.TeachersneedtostayoutsideoftalkingaboutdietsDr.Scheelsaid.It’slikeaparentalwaystalkingabouttheirnextdiet.Youhavetohelpachildunderstandthatifyoucathealthilyandexerciseyourbodyisgoingtotakecareofitself.AndinrelativelyhomogenouspopulationslikeinsomeWestchesterschoolscompetitionrunshigh.Sotheyoungpeopledon’treallyseehowbeautifuldiversityisshesaidandtheytendtoallbecompetingforkindofthesamegoals./AccordingtoDr.MarcieSchneiderandEricaLeon______.
设A是n阶矩阵证明rA=1且trA≠0证明A可相似对角化．
投机动机的货币需求是对闲置的货币余额的需求即对资产形式的需求这是提出的观点
设且ABAT+E+2BAT则B=______．
消费者选择提前消费或延迟消费与无直接关系
垄断厂商进行价格歧视的条件是
以下不属于金融监管三道防线的是
A.Concernedcitizensandscientistshavebeguntotakeaction.Awiderangeofsolutionsisbeingproposedtostopthedestructionofbiodiversityattheregionalaswellasthegloballevel.Since1985theefforthasbecomemorepreciselychartedeconomicallyefficientandpoliticallysensitive. B.Thenewbiodiversitystudieswillleadlogicallytoanelectronicencyclopediaoflifedesignedtoorganizeandmakeimmediatelyavailableeverythingknownabouteachofthemillionsofspecies.Theindustrializedcountrieswillleadforatime.Howeverthebulkoftheworkmusteventuallybedoneinthedevelopingcountries.Thelattercontainsmostoftheworldspeciesandtheyaredestinedtobenefitsoonestfromtheresearch.Thetechnologyneededisrelativelyinexpensiveanditstransfercanbeaccomplishedquickly.Thediscoveriesgeneratedcanbeapplieddirectlytomeettheconcernsofgreatestimportancetothegeographicregioninwhichtheresearchisconductedbeingequallyrelevanttoagriculturemedicineandeconomicgrowth. C.Inthemidstofthisrichnessoflifeformshowevertherateofspeciesextinctionisrisingchieflythroughhabitatdestruction.Mostseriousofallistheconversionoftropicalrainforestswheremostspeciesofanimalsandplantslive.Theratehasbeenestimatedbytwoindependentmethodstofallbetween100and10000timesthepre-humanbackgroundratewith1000timesbeingthemostwidelyacceptedfigure.Thepriceultimatelytobepaidforthiscataclysmisbeyondmeasureinforegonescientificknowledge;newpharmaceuticalandotherproducts;ecosystemsservicessuchaswaterpurificationandsoilrenewal;andnotleastaestheticandspiritualbenefits. D.SincethecurrenthierarchicalbinomialclassificationwasintroducedbyCarolusLinnaeus250yearsago10percentataguessofthespeciesoforganismshavebeendescribed.Itisbelievedthatmostandperhapsnearlyalloftheremaining90percentcanbediscovereddiagnosedandnamedinaslittleasabout25years.Thatpotentialistheresultoftwodevelopmentsneededtoacceleratebiodiversitystudies. E.Theincreasingattentiongiventothebiodiversitycrisishighlightstheinadequacyofbiodiversityresearchitself.Earthremainsinthisrespectarelativelyunexploredplanet.Thetotalnumberofdescribedandformallynamedspeciesoforganismshasgrownbutnotbymuchandtodayisgenerallybelievedtoliesomewherebetween1.5millionand1.8millionThefullnumberincludingspeciesyettobediscoveredhasbeenestimatedinvariousaccountsthatdifferaccordingtoassumptionsandmethodsfromanimprobablylow3.5milliontoanimprobablyhigh100million.Byfarthegreatestfractionoftheunknownspecieswillbeinsectsandmicroorganisms. F.Thepastdecadehaswitnessedtheemergenceofamuchclearerpictureofthemagnitudeofthebiodiversityproblem.Putsimplythebiospherehasprovedtobemorediversethanwasearliersupposedespeciallyinthecaseofsmallmicroorganisms.AnentiredomainoflifetheArchaeahasbeendistinguishedfromthebacteriaandahugestillmostlyunknownandenergeticallyindependentenvironmenthasbeenfoundtoextendthreekilometersormorebelowthesurfaceofEarth.G .Thefirstisinformationtechnologywithwhichhigh-resolutiondigitizedimagesofspecimenscannowbeobtained.Moreovertypespecimensscatteredinmuseumsaroundtheworldcannowbephotographedandmadeinstantlyavailableeverywhereas"types"ontheInternet.ThesecondrevolutionabouttocatapultbiodiversitystudiesforwardisgenomicswhichwillsoonenablescientiststodescribebacterialandAchaeanspeciesbypartialDNAsequencesandtosubsequentlyidentifythembygeneticbarcoding. 41
在AD—AS模型中下列哪一项因素会导致经济中的滞胀
主要是指数期权的交易所包括
设随机变量X的概率密度为对X作两次独立观察设两次的观察值为X1X2令
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