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看近物时的视觉调节过程包括
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眼视近物时的调节反应包括____________3个方面
视近物时眼的调节包括____和__
视力调节
瞳孔括约肌收缩看远物
睫状肌收缩看近物
睫状肌收缩看远物
以房水量改变调视
依靠角膜曲度变化
正常人看近物对眼的调节过程及生理意义
正常人眼在视近物时的视觉调节过程包括
晶状体变凸,瞳孔缩小,视轴会聚
晶状体变凸,瞳孔不变,视轴会聚
晶状体变凸,瞳孔缩小,视轴不变
晶状体不变,瞳孔缩小,视轴会聚
晶状体变凸,瞳孔扩大,视轴会聚
单眼近视欠矫或远视过矫若误矫眼原为辅助眼则在时被测者原视觉习惯发生颠倒性干扰
看远
看远看近
看近
在远点
看近物时的视觉调节过程包括
晶状体变凸，眼轴会聚，瞳孔散大
晶状体变凸，眼轴会聚，瞳孔缩小
晶状体扁平，眼轴会聚，瞳孔缩小
晶状体扁平，眼轴会聚，瞳孔散大
晶状体曲率半径减小，眼轴会聚，瞳孔缩小
看近物时的视觉调节过程正确的 是
晶体变凸，眼球会聚，瞳孔散大
晶体变凸，眼球会聚，瞳孔缩小
晶体变凹，眼球会聚，瞳孔缩小
晶体变平，眼球会聚，瞳孔散大
晶体变凹，眼球会聚，瞳孔散大
单眼近视过矫或远视欠矫若误矫眼为优势眼则在时被测者原视觉习惯发生颠倒性干扰
看远
看远看近
看近
在远点
近反射三联运动是指视近物时
调节、集合和瞳孔缩小的联动过程
调节、集合和瞳孔开大的联动过程
调节、集合和巩膜充血的联动过程
调节、集合和增大景深的联动过程
视近物时眼的调节包括双眼球会聚
毛果芸香碱不具备下列哪项作用
缩瞳
降低眼压
调节痉孪，看近物清楚
调节麻痹，看远物清楚
正常人眼在视近物时的视觉调节过程包括
晶状体变凸，瞳孔缩小，视轴会聚
晶状体变凹，瞳孔不变，视轴会聚
晶状体变凸，瞳孔缩小，视轴不变
晶状体不变，瞳孔缩小，视轴会聚
单眼近视欠矫或远视过矫若误矫眼为优势眼则在时被测者原视觉习惯发生颠倒性干扰
看远
看远看近
看近
在远点
近视与远视在下列几项中哪一项相同
眼球前后径
看远物时需要调节
折光系统的折光能力
看近物时需要调节
某人看远物需要调节看近物也不清楚提示他可能是
远视
近视
散光
老视眼
正视眼
老视眼主要是因为晶状体________眼的调节能力________近点变________ 纠正办法是
单眼近视过矫或远视欠矫若误矫眼原为辅助眼则在时被测者原视觉习惯发生颠倒性干扰
看远
看远看近
看近
在远点
关于老视眼的叙述正确的是
玻璃体混浊
晶状体弹性下降
看近物时需带凸透镜
看远物时也需眼的调节
近点距眼越近，说明晶状体的弹性越差
正常人眼视近物时眼的调节包括__
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Thehumanbraincandoalotofwonderfulthings;manyoftheminclude1masteryofcomplexfeedbacksystemswithlong2Forexampleconsiderhowdifficultraisingachildtrulyis.Manyfactorsare3includingthenutritionalphysicalemotionalandmentalconditionofthechildandthefeedbackofthesefactors4thebehaviorofthoseinvolvedinraisingthechild.To5mattersmanyoftheresponsesofthechild/parentsystemtakeyearsto6themselves.Yetbillionsofparentshavesomehow7tofeedclotheprotectnurturehealteachandlovetheirchildren8successfuladulthood. 9allourintuitivesophisticationindealingwithcomplicatedsituationsit’’sa10toseehowpoorlywedealwithsomenewersystemsmostof11broughtaboutbytechnology. BothraisingchildrenandprotectingEarth’’slife-supportsystemsare12oflifeanddeath;inthelongtermtheyareequallyimportant.But13ourbrainsseemfairlywellpreparedforthelong-termprocessofraisingkidsweseemtohave14built-inskillfortakingcareoftheenvironmentthatsupportsusanychildrenwemighthaveandallother15.Itseemsthatthethinkingpartsofourbrainscan’’tdealwithcomplicatedsystemsandtheirlong-term16andthe17partsofourbrainsthatcandealwithcomplexsystemsdon’’thelpusmuchoutsideoftheir18areas.Oneofthegoalsofsystemsscienceistousemathandcomputerstohelppeoplegetbetter19takingcareofEarth’’slife-supportsystems.Thetaskinvolvesteachingourthinkingbrainsabout20complicatedsystemswork.
Wesometimeshearthatessaysareanold-fashionedform.thatso-and-soisthelastessayistbutthefactsofthemarketplacearguequiteotherwise.Essaysofnearlyanykindaresomucheasierthanshortstoriesforawritertosellsomanymoreseeprintit’’sstrangethatthoughtwofineanthologiescollectionsremainthatpublishtheyear’’sbeststoriesnocomparablecollectionexistsforessays.Suchchangesinthereadingpublic’’stastearen’’talwaystothegoodneedlesstosay.Theartoftellingstoriespredatedevencavepaintingsurely;andifweeverfindourselveslivingincavesagainitwithpaintinganddrummingwillbetheonlyartleftaftermoviesnovelsphotographyessaysbiographyandalltheresthavegonedownthedrain―thearttobuildfrom. Essayshoweverhangsomewhereonalinebetweentwosturdypoles:thisiswhatIthinkandthisiswhatIam.Autobiographieswhicharen’’tnovelsaregenerallyextendedessaysindeed.Apersonalessayislikethehumanvoicetalkingitsorderbeingthemind’’snaturalflowinsteadofasystematizedoutlineofideas.Thoughmorechangeableorinformalthananarticleortreatisesomewhereitcontainsapointwhichisitsrealcenterevenifthepointcouldn’’tbeutteredinfewerwordsthantheessayisthasused.Essaysdon’’tusuallyboildowntoasummaryasarticlesdoandthestyleofthewriterhasanaptoitacombinationofpersonalityandoriginalityandenergeticlooseendsthatstanduplikethenap绒毛onapieceofwoolandcan’’tbebrushedflat.Essaysbelongtotheanimalkingdomwithasurfacethatgeneratessparkslikeacoatoffurcomparedwiththeflatconventionalcottonofthemagazinearticlewriterwhoworksinthevegetablekingdominstead.Butessaysontheotherhandmayhavefewerlevelsthanfictionbecausewearenotsupposedtoarguemuchabouttheirmeaning.Intheolddistinctionbetweenteachingandstorytellingtheessayisthowevercleverlyhetriestoconcealhisintentionsisabitofateacherorreformerandanessayisintendedtoconveythesamepointtoeachofus. Anessayistdoesn’’thavetotellthewholetruthandnothingbutthetruth;hecanshapeorshavehismemoriesaslongasthepurposeisservedofexplainingatruthfulpoint.Apersonalessayfrequentlyisnotautobiographicalataltbutwhatitdoeskeepincommonwithautobiographyisthatthroughitstoneandtumblingprogressionitconveysthequalityoftheauthor’’smind.Nothinggetsintheway.Becauseessaysaredirectlyconcernedwiththemindandthemind’’speculiaritytheveryfreedomthemindpossessesisconferredonthisbranchofliteraturethatdoeshonortoitandthefascinationofthemindisthefascinationoftheessay. TheauthorsuggeststhatiftheStoneAgeshouldcomeupagain
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. ThestatementitisalltoomonkeyLastlineParagraph1impliesthat
Thehumanbraincandoalotofwonderfulthings;manyoftheminclude1masteryofcomplexfeedbacksystemswithlong2Forexampleconsiderhowdifficultraisingachildtrulyis.Manyfactorsare3includingthenutritionalphysicalemotionalandmentalconditionofthechildandthefeedbackofthesefactors4thebehaviorofthoseinvolvedinraisingthechild.To5mattersmanyoftheresponsesofthechild/parentsystemtakeyearsto6themselves.Yetbillionsofparentshavesomehow7tofeedclotheprotectnurturehealteachandlovetheirchildren8successfuladulthood. 9allourintuitivesophisticationindealingwithcomplicatedsituationsit’’sa10toseehowpoorlywedealwithsomenewersystemsmostof11broughtaboutbytechnology. BothraisingchildrenandprotectingEarth’’slife-supportsystemsare12oflifeanddeath;inthelongtermtheyareequallyimportant.But13ourbrainsseemfairlywellpreparedforthelong-termprocessofraisingkidsweseemtohave14built-inskillfortakingcareoftheenvironmentthatsupportsusanychildrenwemighthaveandallother15.Itseemsthatthethinkingpartsofourbrainscan’’tdealwithcomplicatedsystemsandtheirlong-term16andthe17partsofourbrainsthatcandealwithcomplexsystemsdon’’thelpusmuchoutsideoftheir18areas.Oneofthegoalsofsystemsscienceistousemathandcomputerstohelppeoplegetbetter19takingcareofEarth’’slife-supportsystems.Thetaskinvolvesteachingourthinkingbrainsabout20complicatedsystemswork.
Insuchachangingcomplexsocietyformerlysimplesolutionstoinformationalneedsbecomecomplicated.Manyoflife’’sproblemswhichweresolvedbyaskingfamilymembersfriendsorcolleaguesarebeyondthecapabilityoftheextendedfamilytoresolve.Wheretoturnforexpertinformationandhowtodeterminewhichexpertadvicetoacceptarequestionsfacingmanypeopletoday. InadditiontothisthereisthegrowingmobilityofpeoplesinceWorldWarⅡ.Asfamiliesmoveawayfromtheirstablecommunitytheirfriendsofmanyyearstheirextendedfamilyrelationshipstheinformalflowofinformationiscutoffandwithittheconfidencethatinformationwillbeavailablewhenneededandwillbetrustworthyandreliable.Thealmostunconsciousflowofinformationaboutthesimplestaspectsoflivingcanbecutoff.Thusthingsoncelearnedsubconsciouslythroughthecasualcommunicationsoftheextendedfamilymustbeconsciouslylearned. Addingtosocietalchangestodayisanenormousstockpileofinformation.Theindividualnowhasmoreinformationavailablethananygenerationandthetaskoffindingthatonepieceofinformationrelevanttohisorherspecificproblemiscomplicatedtime-consumingandsometimesevenoverwhelming. Coupledwiththegrowingquantityofinformationisthedevelopmentoftechnologieswhichenablethestorageanddeliveryofmoreinformationwithgreaterspeedtomorelocationsthanhaseverbeenpossiblebefore.Computertechnologymakesitpossibletostorevastamountsofdatainmachinereadablefilesandtoprogramcomputerstolocatespecificinformation.Telecommunicationsdevelopmentsenablethesendingofmessagesviatelevisionradioandveryshortlyelectronicmailtobombardpeoplewithmultitudesofmessages.Satelliteshaveextendedthepowerofcommunicationstoreporteventsattheinstantofoccurrence.ExpertisecanbesharedworldwidethroughteleconferencingandproblemsindisputecanbesettledWithouttheparticipantsleavingtheirhomesand/orjobstotraveltoadistantconferencesite.Technologyhasfacilitatedthesharingofinformationandthestorageanddeliveryofinformationthusmakingmoreinformationavailabletomorepeople. Inthisworldofchangeandcomplexitytheneedforinformationisofgreatestimportance.Thosepeoplewhohaveaccuratereliableup-to-dateinformationtosolvetheday-to-dayproblemsthecriticalproblemsoftheirbusinesssocialandfamilylifewillsurviveandsucceed.Knowledgeispowermaywellbethetruestsayingandaccesstoinformationmaybethemostcriticalrequirementofallpeople. Theworditline3para.2mostprobablyrefersto________________.
Insuchachangingcomplexsocietyformerlysimplesolutionstoinformationalneedsbecomecomplicated.Manyoflife’’sproblemswhichweresolvedbyaskingfamilymembersfriendsorcolleaguesarebeyondthecapabilityoftheextendedfamilytoresolve.Wheretoturnforexpertinformationandhowtodeterminewhichexpertadvicetoacceptarequestionsfacingmanypeopletoday. InadditiontothisthereisthegrowingmobilityofpeoplesinceWorldWarⅡ.Asfamiliesmoveawayfromtheirstablecommunitytheirfriendsofmanyyearstheirextendedfamilyrelationshipstheinformalflowofinformationiscutoffandwithittheconfidencethatinformationwillbeavailablewhenneededandwillbetrustworthyandreliable.Thealmostunconsciousflowofinformationaboutthesimplestaspectsoflivingcanbecutoff.Thusthingsoncelearnedsubconsciouslythroughthecasualcommunicationsoftheextendedfamilymustbeconsciouslylearned. Addingtosocietalchangestodayisanenormousstockpileofinformation.Theindividualnowhasmoreinformationavailablethananygenerationandthetaskoffindingthatonepieceofinformationrelevanttohisorherspecificproblemiscomplicatedtime-consumingandsometimesevenoverwhelming. Coupledwiththegrowingquantityofinformationisthedevelopmentoftechnologieswhichenablethestorageanddeliveryofmoreinformationwithgreaterspeedtomorelocationsthanhaseverbeenpossiblebefore.Computertechnologymakesitpossibletostorevastamountsofdatainmachinereadablefilesandtoprogramcomputerstolocatespecificinformation.Telecommunicationsdevelopmentsenablethesendingofmessagesviatelevisionradioandveryshortlyelectronicmailtobombardpeoplewithmultitudesofmessages.Satelliteshaveextendedthepowerofcommunicationstoreporteventsattheinstantofoccurrence.ExpertisecanbesharedworldwidethroughteleconferencingandproblemsindisputecanbesettledWithouttheparticipantsleavingtheirhomesand/orjobstotraveltoadistantconferencesite.Technologyhasfacilitatedthesharingofinformationandthestorageanddeliveryofinformationthusmakingmoreinformationavailabletomorepeople. Inthisworldofchangeandcomplexitytheneedforinformationisofgreatestimportance.Thosepeoplewhohaveaccuratereliableup-to-dateinformationtosolvetheday-to-dayproblemsthecriticalproblemsoftheirbusinesssocialandfamilylifewillsurviveandsucceed.Knowledgeispowermaywellbethetruestsayingandaccesstoinformationmaybethemostcriticalrequirementofallpeople. Fromthepassagewecaninferthat________________.
Thehumanbraincandoalotofwonderfulthings;manyoftheminclude1masteryofcomplexfeedbacksystemswithlong2Forexampleconsiderhowdifficultraisingachildtrulyis.Manyfactorsare3includingthenutritionalphysicalemotionalandmentalconditionofthechildandthefeedbackofthesefactors4thebehaviorofthoseinvolvedinraisingthechild.To5mattersmanyoftheresponsesofthechild/parentsystemtakeyearsto6themselves.Yetbillionsofparentshavesomehow7tofeedclotheprotectnurturehealteachandlovetheirchildren8successfuladulthood. 9allourintuitivesophisticationindealingwithcomplicatedsituationsit’’sa10toseehowpoorlywedealwithsomenewersystemsmostof11broughtaboutbytechnology. BothraisingchildrenandprotectingEarth’’slife-supportsystemsare12oflifeanddeath;inthelongtermtheyareequallyimportant.But13ourbrainsseemfairlywellpreparedforthelong-termprocessofraisingkidsweseemtohave14built-inskillfortakingcareoftheenvironmentthatsupportsusanychildrenwemighthaveandallother15.Itseemsthatthethinkingpartsofourbrainscan’’tdealwithcomplicatedsystemsandtheirlong-term16andthe17partsofourbrainsthatcandealwithcomplexsystemsdon’’thelpusmuchoutsideoftheir18areas.Oneofthegoalsofsystemsscienceistousemathandcomputerstohelppeoplegetbetter19takingcareofEarth’’slife-supportsystems.Thetaskinvolvesteachingourthinkingbrainsabout20complicatedsystemswork.
Thehumanbraincandoalotofwonderfulthings;manyoftheminclude1masteryofcomplexfeedbacksystemswithlong2Forexampleconsiderhowdifficultraisingachildtrulyis.Manyfactorsare3includingthenutritionalphysicalemotionalandmentalconditionofthechildandthefeedbackofthesefactors4thebehaviorofthoseinvolvedinraisingthechild.To5mattersmanyoftheresponsesofthechild/parentsystemtakeyearsto6themselves.Yetbillionsofparentshavesomehow7tofeedclotheprotectnurturehealteachandlovetheirchildren8successfuladulthood. 9allourintuitivesophisticationindealingwithcomplicatedsituationsit’’sa10toseehowpoorlywedealwithsomenewersystemsmostof11broughtaboutbytechnology. BothraisingchildrenandprotectingEarth’’slife-supportsystemsare12oflifeanddeath;inthelongtermtheyareequallyimportant.But13ourbrainsseemfairlywellpreparedforthelong-termprocessofraisingkidsweseemtohave14built-inskillfortakingcareoftheenvironmentthatsupportsusanychildrenwemighthaveandallother15.Itseemsthatthethinkingpartsofourbrainscan’’tdealwithcomplicatedsystemsandtheirlong-term16andthe17partsofourbrainsthatcandealwithcomplexsystemsdon’’thelpusmuchoutsideoftheir18areas.Oneofthegoalsofsystemsscienceistousemathandcomputerstohelppeoplegetbetter19takingcareofEarth’’slife-supportsystems.Thetaskinvolvesteachingourthinkingbrainsabout20complicatedsystemswork.
YouborrowedsomerecentissuesofU.S.businessmagazinefromyourprofessoramonthagobutdelayedreturningthem.Writealetterofapologytoyourprofessorstatingyourreasonsforthedelayandexpressingyourthanks. Writeyourletterinnolessthan100words.WriteitneatlyonANSWERSHEET2.Donotsignyourownnameattheendoftheletter.UseLiMinginstead.Youdonotneedtowritetheaddress.10points
Thehumanbraincandoalotofwonderfulthings;manyoftheminclude1masteryofcomplexfeedbacksystemswithlong2Forexampleconsiderhowdifficultraisingachildtrulyis.Manyfactorsare3includingthenutritionalphysicalemotionalandmentalconditionofthechildandthefeedbackofthesefactors4thebehaviorofthoseinvolvedinraisingthechild.To5mattersmanyoftheresponsesofthechild/parentsystemtakeyearsto6themselves.Yetbillionsofparentshavesomehow7tofeedclotheprotectnurturehealteachandlovetheirchildren8successfuladulthood. 9allourintuitivesophisticationindealingwithcomplicatedsituationsit’’sa10toseehowpoorlywedealwithsomenewersystemsmostof11broughtaboutbytechnology. BothraisingchildrenandprotectingEarth’’slife-supportsystemsare12oflifeanddeath;inthelongtermtheyareequallyimportant.But13ourbrainsseemfairlywellpreparedforthelong-termprocessofraisingkidsweseemtohave14built-inskillfortakingcareoftheenvironmentthatsupportsusanychildrenwemighthaveandallother15.Itseemsthatthethinkingpartsofourbrainscan’’tdealwithcomplicatedsystemsandtheirlong-term16andthe17partsofourbrainsthatcandealwithcomplexsystemsdon’’thelpusmuchoutsideoftheir18areas.Oneofthegoalsofsystemsscienceistousemathandcomputerstohelppeoplegetbetter19takingcareofEarth’’slife-supportsystems.Thetaskinvolvesteachingourthinkingbrainsabout20complicatedsystemswork.
Theywerebyfarthelargestandmostdistantobjectsthatscientistshadeverdetected:astripofenormouscosmiccloudsome15billionlight-yearsfromearth.71.Butevenmoreimportantitwasthefarthestthatscientistshadbeenabletolookintothepastforwhattheywereseeingwerethepatternsandstructuresthatexisted15billionyearsago.Thatwasjustaboutthemomentthattheuniversewasborn.Whattheresearchersfoundwasatoncebothamazingandexpected:theUSNationalAeronauticsandSpaceAdministration’’sCosmicBackgroundExplorersatellite―Cobe―haddiscoveredlandmarkevidencethattheuniversedidinfactbeginwiththeprimevalexplosionthathasbecomeknownastheBigBangthetheorythattheuniverseoriginatedinanexplosionfromasinglemassofenergy. 72.TheexistenceofthegiantcloudswasvirtuallyrequiredfortheBigBangfirstputforwardinthe1920stomaintainitsreignasthedominantexplanationofthecosmos.Accordingtothetheorytheuniverseburstintobeingasasubmicroscopicunimaginablydenseknotofpureenergythatflewoutwardinalldirectionsemittingradiationasitwentcondensingintoparticlesandthenintoatomsofgas.Overbillionsofyearsthegaswascompressedbygravityintogalaxiesstarsplantsandeventuallyevenhumans. Cobeisdesignedtoseejustthebiggeststructuresbutastronomerswouldliketoseemuchsmallerhotspotsaswelltheseedsoflocalobjectslikeclustersandsuperclustersofgalaxies.Theyshouldn’’thavelongtowait.73.Astrophysicistsworkingwithground-baseddetectorsattheSouthPoleandballoon-borneinstrumentsareclosinginonsuchstructuresandmayreporttheirfindingssoon. 74.IfthesmallhotspotslookasexpectedthatwillbeatriumphforyetanotherscientificideaarefinementoftheBigBangcalledtheinflationaryuniversetheory.Inflationsaysthatvery’’earlyontheuniverseexpandedinsizebymorethanatrillionfoldinmuchlessthanasecondpropelledbyasortofantigravity. 75.Oddthoughitsoundscosmicinflationisascientificallyplausibleconsequenceofsomerespectedideasinelementary-particlephysicsandmanyastrophysicistshavebeenconvincedforthebetterpartofadecadethatitistrue.
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
Theywerebyfarthelargestandmostdistantobjectsthatscientistshadeverdetected:astripofenormouscosmiccloudsome15billionlight-yearsfromearth.71.Butevenmoreimportantitwasthefarthestthatscientistshadbeenabletolookintothepastforwhattheywereseeingwerethepatternsandstructuresthatexisted15billionyearsago.Thatwasjustaboutthemomentthattheuniversewasborn.Whattheresearchersfoundwasatoncebothamazingandexpected:theUSNationalAeronauticsandSpaceAdministration’’sCosmicBackgroundExplorersatellite―Cobe―haddiscoveredlandmarkevidencethattheuniversedidinfactbeginwiththeprimevalexplosionthathasbecomeknownastheBigBangthetheorythattheuniverseoriginatedinanexplosionfromasinglemassofenergy. 72.TheexistenceofthegiantcloudswasvirtuallyrequiredfortheBigBangfirstputforwardinthe1920stomaintainitsreignasthedominantexplanationofthecosmos.Accordingtothetheorytheuniverseburstintobeingasasubmicroscopicunimaginablydenseknotofpureenergythatflewoutwardinalldirectionsemittingradiationasitwentcondensingintoparticlesandthenintoatomsofgas.Overbillionsofyearsthegaswascompressedbygravityintogalaxiesstarsplantsandeventuallyevenhumans. Cobeisdesignedtoseejustthebiggeststructuresbutastronomerswouldliketoseemuchsmallerhotspotsaswelltheseedsoflocalobjectslikeclustersandsuperclustersofgalaxies.Theyshouldn’’thavelongtowait.73.Astrophysicistsworkingwithground-baseddetectorsattheSouthPoleandballoon-borneinstrumentsareclosinginonsuchstructuresandmayreporttheirfindingssoon. 74.IfthesmallhotspotslookasexpectedthatwillbeatriumphforyetanotherscientificideaarefinementoftheBigBangcalledtheinflationaryuniversetheory.Inflationsaysthatvery’’earlyontheuniverseexpandedinsizebymorethanatrillionfoldinmuchlessthanasecondpropelledbyasortofantigravity. 75.Oddthoughitsoundscosmicinflationisascientificallyplausibleconsequenceofsomerespectedideasinelementary-particlephysicsandmanyastrophysicistshavebeenconvincedforthebetterpartofadecadethatitistrue.
Thehumanbraincandoalotofwonderfulthings;manyoftheminclude1masteryofcomplexfeedbacksystemswithlong2Forexampleconsiderhowdifficultraisingachildtrulyis.Manyfactorsare3includingthenutritionalphysicalemotionalandmentalconditionofthechildandthefeedbackofthesefactors4thebehaviorofthoseinvolvedinraisingthechild.To5mattersmanyoftheresponsesofthechild/parentsystemtakeyearsto6themselves.Yetbillionsofparentshavesomehow7tofeedclotheprotectnurturehealteachandlovetheirchildren8successfuladulthood. 9allourintuitivesophisticationindealingwithcomplicatedsituationsit’’sa10toseehowpoorlywedealwithsomenewersystemsmostof11broughtaboutbytechnology. BothraisingchildrenandprotectingEarth’’slife-supportsystemsare12oflifeanddeath;inthelongtermtheyareequallyimportant.But13ourbrainsseemfairlywellpreparedforthelong-termprocessofraisingkidsweseemtohave14built-inskillfortakingcareoftheenvironmentthatsupportsusanychildrenwemighthaveandallother15.Itseemsthatthethinkingpartsofourbrainscan’’tdealwithcomplicatedsystemsandtheirlong-term16andthe17partsofourbrainsthatcandealwithcomplexsystemsdon’’thelpusmuchoutsideoftheir18areas.Oneofthegoalsofsystemsscienceistousemathandcomputerstohelppeoplegetbetter19takingcareofEarth’’slife-supportsystems.Thetaskinvolvesteachingourthinkingbrainsabout20complicatedsystemswork.
Thehumanbraincandoalotofwonderfulthings;manyoftheminclude1masteryofcomplexfeedbacksystemswithlong2Forexampleconsiderhowdifficultraisingachildtrulyis.Manyfactorsare3includingthenutritionalphysicalemotionalandmentalconditionofthechildandthefeedbackofthesefactors4thebehaviorofthoseinvolvedinraisingthechild.To5mattersmanyoftheresponsesofthechild/parentsystemtakeyearsto6themselves.Yetbillionsofparentshavesomehow7tofeedclotheprotectnurturehealteachandlovetheirchildren8successfuladulthood. 9allourintuitivesophisticationindealingwithcomplicatedsituationsit’’sa10toseehowpoorlywedealwithsomenewersystemsmostof11broughtaboutbytechnology. BothraisingchildrenandprotectingEarth’’slife-supportsystemsare12oflifeanddeath;inthelongtermtheyareequallyimportant.But13ourbrainsseemfairlywellpreparedforthelong-termprocessofraisingkidsweseemtohave14built-inskillfortakingcareoftheenvironmentthatsupportsusanychildrenwemighthaveandallother15.Itseemsthatthethinkingpartsofourbrainscan’’tdealwithcomplicatedsystemsandtheirlong-term16andthe17partsofourbrainsthatcandealwithcomplexsystemsdon’’thelpusmuchoutsideoftheir18areas.Oneofthegoalsofsystemsscienceistousemathandcomputerstohelppeoplegetbetter19takingcareofEarth’’slife-supportsystems.Thetaskinvolvesteachingourthinkingbrainsabout20complicatedsystemswork.
检查膝关节半月板损伤做下列哪项试验
Amongthemanyotherthingsitisaportraitisalwaysarecordofthepersonalandartisticencounterthatproducedit.Itispossibleforartiststoproduceportraitsofindividualswhohavenotsatforthembuttheportraitthatfinallyemergesnormallybetraystherestrictionsunderwhichtheartisthasbeenforcedtolabor.Evenwhenanartist’’sportraitissimplyacopyofsomeoneelse’’swork-asinthemanyportraitsofQueenElizabethIthatwereproducedduringherlifetime-thenever-changingfeaturesofarulerwhorefusedtositforhercourtpaintersreflectnotonlythesupposedpowersofanever-youthfulqueenbuttheremotenessofthoseattemptingtodepictheraswell. Portraitsareoccasionalnotonlyinthesensethattheyarecloselytiedtoparticulareventsinthelivesoftheirsubjectsbutinthesensethatthereisusuallyanoccasion-howeverbriefuncomfortableartificialorunsatisfactoryitmayprovetobe-inwhichtheartistandsubjectdirectlyconfronteachother;andthustheencounteraportraitrecordsismostreallythesittingitself.Thesittingmaybebrieforextendedcollegialorconfrontational.Cartier-Bressonhasexpressedhispassionforportraitphotographybycharacterizingitasaduelwithoutrules.WhileCartier-BressonrevealshimselfasaninterloperandopportunistRichardAvedonconfessestoaroleasdiagnosticianandpsychichealer:notassomeonewhonecessarilytransformshissubjectsbutassomeonewhorevealstheiressentialnature.Bothphotographersappeartoagreeononebasishoweverwhichisthatthefundamentaldynamicinthisprocessliessquarelyinthehandsoftheartist. Aquite-differentexamplehasitsrootsnotinconfrontationorconsultationbutinactivecollaborationbetweentheartistandsitter.ThisverydifferentkindofrelationshipwasformulatedmostvividlybyWilliamHazlittinhisessayentitledOnSittingforOne’’sPicture.ToHazlittthebondofconnectionbetweenpainterandsitterismostliketherelationshipbetweentwolovers:Theyarealwaysthinkingandtalkingofthesamethinginwhichtheirselflovefindsanequalcounterpart.HazlittflashesouthisthesisbyrecountingparticularepisodesfromthecareerofSirJoshuaReynolds.AccordingtoHazlittReynolds’’sittersaccompaniedbytheirfriendsweremeanttoenjoyanatmospherethatwasbothcomfortableforthemandconductivetotheenterpriseoftheportraitpainterwhowassimultaneouslytheirhostandtheircontractualemployee.InthecaseofartistslikeReynoldsnofundamentaldifferenceexistsbetweentheartist’’sstudioandallthoseotherroomsinwhichthesittersspinoutthedaysoftheirlives.TheactofenteringReynolds’’studiodidnotnecessarilytransformthosewhosatforhim.CollaborationinportraituresuchasReynolds’’isbasedonthesitter’’scomfortandsecurityaswellasonhisorherdesiretoexperimentwithsomethingnewanditisinthiscreationofanotherselfasHazlittputitthatthepainter’’ssubjectsmayproperlyseethemselvesforthefirsttime. AportraitartistoperatingundertheReynoldsexamplewouldprobablydisagreethat
Amongthemanyotherthingsitisaportraitisalwaysarecordofthepersonalandartisticencounterthatproducedit.Itispossibleforartiststoproduceportraitsofindividualswhohavenotsatforthembuttheportraitthatfinallyemergesnormallybetraystherestrictionsunderwhichtheartisthasbeenforcedtolabor.Evenwhenanartist’’sportraitissimplyacopyofsomeoneelse’’swork-asinthemanyportraitsofQueenElizabethIthatwereproducedduringherlifetime-thenever-changingfeaturesofarulerwhorefusedtositforhercourtpaintersreflectnotonlythesupposedpowersofanever-youthfulqueenbuttheremotenessofthoseattemptingtodepictheraswell. Portraitsareoccasionalnotonlyinthesensethattheyarecloselytiedtoparticulareventsinthelivesoftheirsubjectsbutinthesensethatthereisusuallyanoccasion-howeverbriefuncomfortableartificialorunsatisfactoryitmayprovetobe-inwhichtheartistandsubjectdirectlyconfronteachother;andthustheencounteraportraitrecordsismostreallythesittingitself.Thesittingmaybebrieforextendedcollegialorconfrontational.Cartier-Bressonhasexpressedhispassionforportraitphotographybycharacterizingitasaduelwithoutrules.WhileCartier-BressonrevealshimselfasaninterloperandopportunistRichardAvedonconfessestoaroleasdiagnosticianandpsychichealer:notassomeonewhonecessarilytransformshissubjectsbutassomeonewhorevealstheiressentialnature.Bothphotographersappeartoagreeononebasishoweverwhichisthatthefundamentaldynamicinthisprocessliessquarelyinthehandsoftheartist. Aquite-differentexamplehasitsrootsnotinconfrontationorconsultationbutinactivecollaborationbetweentheartistandsitter.ThisverydifferentkindofrelationshipwasformulatedmostvividlybyWilliamHazlittinhisessayentitledOnSittingforOne’’sPicture.ToHazlittthebondofconnectionbetweenpainterandsitterismostliketherelationshipbetweentwolovers:Theyarealwaysthinkingandtalkingofthesamethinginwhichtheirselflovefindsanequalcounterpart.HazlittflashesouthisthesisbyrecountingparticularepisodesfromthecareerofSirJoshuaReynolds.AccordingtoHazlittReynolds’’sittersaccompaniedbytheirfriendsweremeanttoenjoyanatmospherethatwasbothcomfortableforthemandconductivetotheenterpriseoftheportraitpainterwhowassimultaneouslytheirhostandtheircontractualemployee.InthecaseofartistslikeReynoldsnofundamentaldifferenceexistsbetweentheartist’’sstudioandallthoseotherroomsinwhichthesittersspinoutthedaysoftheirlives.TheactofenteringReynolds’’studiodidnotnecessarilytransformthosewhosatforhim.CollaborationinportraituresuchasReynolds’’isbasedonthesitter’’scomfortandsecurityaswellasonhisorherdesiretoexperimentwithsomethingnewanditisinthiscreationofanotherselfasHazlittputitthatthepainter’’ssubjectsmayproperlyseethemselvesforthefirsttime. ItwouldbemostconsistentwiththetexttoinferthatReynolds
Thehumanbraincandoalotofwonderfulthings;manyoftheminclude1masteryofcomplexfeedbacksystemswithlong2Forexampleconsiderhowdifficultraisingachildtrulyis.Manyfactorsare3includingthenutritionalphysicalemotionalandmentalconditionofthechildandthefeedbackofthesefactors4thebehaviorofthoseinvolvedinraisingthechild.To5mattersmanyoftheresponsesofthechild/parentsystemtakeyearsto6themselves.Yetbillionsofparentshavesomehow7tofeedclotheprotectnurturehealteachandlovetheirchildren8successfuladulthood. 9allourintuitivesophisticationindealingwithcomplicatedsituationsit’’sa10toseehowpoorlywedealwithsomenewersystemsmostof11broughtaboutbytechnology. BothraisingchildrenandprotectingEarth’’slife-supportsystemsare12oflifeanddeath;inthelongtermtheyareequallyimportant.But13ourbrainsseemfairlywellpreparedforthelong-termprocessofraisingkidsweseemtohave14built-inskillfortakingcareoftheenvironmentthatsupportsusanychildrenwemighthaveandallother15.Itseemsthatthethinkingpartsofourbrainscan’’tdealwithcomplicatedsystemsandtheirlong-term16andthe17partsofourbrainsthatcandealwithcomplexsystemsdon’’thelpusmuchoutsideoftheir18areas.Oneofthegoalsofsystemsscienceistousemathandcomputerstohelppeoplegetbetter19takingcareofEarth’’slife-supportsystems.Thetaskinvolvesteachingourthinkingbrainsabout20complicatedsystemswork.
Thehumanbraincandoalotofwonderfulthings;manyoftheminclude1masteryofcomplexfeedbacksystemswithlong2Forexampleconsiderhowdifficultraisingachildtrulyis.Manyfactorsare3includingthenutritionalphysicalemotionalandmentalconditionofthechildandthefeedbackofthesefactors4thebehaviorofthoseinvolvedinraisingthechild.To5mattersmanyoftheresponsesofthechild/parentsystemtakeyearsto6themselves.Yetbillionsofparentshavesomehow7tofeedclotheprotectnurturehealteachandlovetheirchildren8successfuladulthood. 9allourintuitivesophisticationindealingwithcomplicatedsituationsit’’sa10toseehowpoorlywedealwithsomenewersystemsmostof11broughtaboutbytechnology. BothraisingchildrenandprotectingEarth’’slife-supportsystemsare12oflifeanddeath;inthelongtermtheyareequallyimportant.But13ourbrainsseemfairlywellpreparedforthelong-termprocessofraisingkidsweseemtohave14built-inskillfortakingcareoftheenvironmentthatsupportsusanychildrenwemighthaveandallother15.Itseemsthatthethinkingpartsofourbrainscan’’tdealwithcomplicatedsystemsandtheirlong-term16andthe17partsofourbrainsthatcandealwithcomplexsystemsdon’’thelpusmuchoutsideoftheir18areas.Oneofthegoalsofsystemsscienceistousemathandcomputerstohelppeoplegetbetter19takingcareofEarth’’slife-supportsystems.Thetaskinvolvesteachingourthinkingbrainsabout20complicatedsystemswork. Thehumanbraincandoalotofwonderfulthings;manyoftheminclude1masteryofcomplexfeedbacksystemswithlong2Forexampleconsiderhowdifficultraisingachildtrulyis.Manyfactorsare3includingthenutritionalphysicalemotionalandmentalconditionofthechildandthefeedbackofthesefactors4thebehaviorofthoseinvolvedinraisingthechild.To5mattersmanyoftheresponsesofthechild/parentsystemtakeyearsto6themselves.Yetbillionsofparentshavesomehow7tofeedclotheprotectnurturehealteachandlovetheirchildren8successfuladulthood. 9allourintuitivesophisticationindealingwithcomplicatedsituationsit’’sa10toseehowpoorlywedealwithsomenewersystemsmostof11broughtaboutbytechnology. BothraisingchildrenandprotectingEarth’’slife-supportsystemsare12oflifeanddeath;inthelongtermtheyareequallyimportant.But13ourbrainsseemfairlywellpreparedforthelong-termprocessofraisingkidsweseemtohave14built-inskillfortakingcareoftheenvironmentthatsupportsusanychildrenwemighthaveandallother15.Itseemsthatthethinkingpartsofourbrainscan’’tdealwithcomplicatedsystemsandtheirlong-term16andthe17partsofourbrainsthatcandealwithcomplexsystemsdon’’thelpusmuchoutsideoftheir18areas.Oneofthegoalsofsystemsscienceistousemathandcomputerstohelppeoplegetbetter19takingcareofEarth’’slife-supportsystems.Thetaskinvolvesteachingourthinkingbrainsabout20complicatedsystemswork.
Wesometimeshearthatessaysareanold-fashionedform.thatso-and-soisthelastessayistbutthefactsofthemarketplacearguequiteotherwise.Essaysofnearlyanykindaresomucheasierthanshortstoriesforawritertosellsomanymoreseeprintit’’sstrangethatthoughtwofineanthologiescollectionsremainthatpublishtheyear’’sbeststoriesnocomparablecollectionexistsforessays.Suchchangesinthereadingpublic’’stastearen’’talwaystothegoodneedlesstosay.Theartoftellingstoriespredatedevencavepaintingsurely;andifweeverfindourselveslivingincavesagainitwithpaintinganddrummingwillbetheonlyartleftaftermoviesnovelsphotographyessaysbiographyandalltheresthavegonedownthedrain―thearttobuildfrom. Essayshoweverhangsomewhereonalinebetweentwosturdypoles:thisiswhatIthinkandthisiswhatIam.Autobiographieswhicharen’’tnovelsaregenerallyextendedessaysindeed.Apersonalessayislikethehumanvoicetalkingitsorderbeingthemind’’snaturalflowinsteadofasystematizedoutlineofideas.Thoughmorechangeableorinformalthananarticleortreatisesomewhereitcontainsapointwhichisitsrealcenterevenifthepointcouldn’’tbeutteredinfewerwordsthantheessayisthasused.Essaysdon’’tusuallyboildowntoasummaryasarticlesdoandthestyleofthewriterhasanaptoitacombinationofpersonalityandoriginalityandenergeticlooseendsthatstanduplikethenap绒毛onapieceofwoolandcan’’tbebrushedflat.Essaysbelongtotheanimalkingdomwithasurfacethatgeneratessparkslikeacoatoffurcomparedwiththeflatconventionalcottonofthemagazinearticlewriterwhoworksinthevegetablekingdominstead.Butessaysontheotherhandmayhavefewerlevelsthanfictionbecausewearenotsupposedtoarguemuchabouttheirmeaning.Intheolddistinctionbetweenteachingandstorytellingtheessayisthowevercleverlyhetriestoconcealhisintentionsisabitofateacherorreformerandanessayisintendedtoconveythesamepointtoeachofus. Anessayistdoesn’’thavetotellthewholetruthandnothingbutthetruth;hecanshapeorshavehismemoriesaslongasthepurposeisservedofexplainingatruthfulpoint.Apersonalessayfrequentlyisnotautobiographicalataltbutwhatitdoeskeepincommonwithautobiographyisthatthroughitstoneandtumblingprogressionitconveysthequalityoftheauthor’’smind.Nothinggetsintheway.Becauseessaysaredirectlyconcernedwiththemindandthemind’’speculiaritytheveryfreedomthemindpossessesisconferredonthisbranchofliteraturethatdoeshonortoitandthefascinationofthemindisthefascinationoftheessay. EssaysarecharacterizedbyallofthefollowingEXCEPT
Amongthemanyotherthingsitisaportraitisalwaysarecordofthepersonalandartisticencounterthatproducedit.Itispossibleforartiststoproduceportraitsofindividualswhohavenotsatforthembuttheportraitthatfinallyemergesnormallybetraystherestrictionsunderwhichtheartisthasbeenforcedtolabor.Evenwhenanartist’’sportraitissimplyacopyofsomeoneelse’’swork-asinthemanyportraitsofQueenElizabethIthatwereproducedduringherlifetime-thenever-changingfeaturesofarulerwhorefusedtositforhercourtpaintersreflectnotonlythesupposedpowersofanever-youthfulqueenbuttheremotenessofthoseattemptingtodepictheraswell. Portraitsareoccasionalnotonlyinthesensethattheyarecloselytiedtoparticulareventsinthelivesoftheirsubjectsbutinthesensethatthereisusuallyanoccasion-howeverbriefuncomfortableartificialorunsatisfactoryitmayprovetobe-inwhichtheartistandsubjectdirectlyconfronteachother;andthustheencounteraportraitrecordsismostreallythesittingitself.Thesittingmaybebrieforextendedcollegialorconfrontational.Cartier-Bressonhasexpressedhispassionforportraitphotographybycharacterizingitasaduelwithoutrules.WhileCartier-BressonrevealshimselfasaninterloperandopportunistRichardAvedonconfessestoaroleasdiagnosticianandpsychichealer:notassomeonewhonecessarilytransformshissubjectsbutassomeonewhorevealstheiressentialnature.Bothphotographersappeartoagreeononebasishoweverwhichisthatthefundamentaldynamicinthisprocessliessquarelyinthehandsoftheartist. Aquite-differentexamplehasitsrootsnotinconfrontationorconsultationbutinactivecollaborationbetweentheartistandsitter.ThisverydifferentkindofrelationshipwasformulatedmostvividlybyWilliamHazlittinhisessayentitledOnSittingforOne’’sPicture.ToHazlittthebondofconnectionbetweenpainterandsitterismostliketherelationshipbetweentwolovers:Theyarealwaysthinkingandtalkingofthesamethinginwhichtheirselflovefindsanequalcounterpart.HazlittflashesouthisthesisbyrecountingparticularepisodesfromthecareerofSirJoshuaReynolds.AccordingtoHazlittReynolds’’sittersaccompaniedbytheirfriendsweremeanttoenjoyanatmospherethatwasbothcomfortableforthemandconductivetotheenterpriseoftheportraitpainterwhowassimultaneouslytheirhostandtheircontractualemployee.InthecaseofartistslikeReynoldsnofundamentaldifferenceexistsbetweentheartist’’sstudioandallthoseotherroomsinwhichthesittersspinoutthedaysoftheirlives.TheactofenteringReynolds’’studiodidnotnecessarilytransformthosewhosatforhim.CollaborationinportraituresuchasReynolds’’isbasedonthesitter’’scomfortandsecurityaswellasonhisorherdesiretoexperimentwithsomethingnewanditisinthiscreationofanotherselfasHazlittputitthatthepainter’’ssubjectsmayproperlyseethemselvesforthefirsttime. InreferringtoQueenElizabethIasever-youthfultheauthorimpliesthat
Thehumanbraincandoalotofwonderfulthings;manyoftheminclude1masteryofcomplexfeedbacksystemswithlong2Forexampleconsiderhowdifficultraisingachildtrulyis.Manyfactorsare3includingthenutritionalphysicalemotionalandmentalconditionofthechildandthefeedbackofthesefactors4thebehaviorofthoseinvolvedinraisingthechild.To5mattersmanyoftheresponsesofthechild/parentsystemtakeyearsto6themselves.Yetbillionsofparentshavesomehow7tofeedclotheprotectnurturehealteachandlovetheirchildren8successfuladulthood. 9allourintuitivesophisticationindealingwithcomplicatedsituationsit’’sa10toseehowpoorlywedealwithsomenewersystemsmostof11broughtaboutbytechnology. BothraisingchildrenandprotectingEarth’’slife-supportsystemsare12oflifeanddeath;inthelongtermtheyareequallyimportant.But13ourbrainsseemfairlywellpreparedforthelong-termprocessofraisingkidsweseemtohave14built-inskillfortakingcareoftheenvironmentthatsupportsusanychildrenwemighthaveandallother15.Itseemsthatthethinkingpartsofourbrainscan’’tdealwithcomplicatedsystemsandtheirlong-term16andthe17partsofourbrainsthatcandealwithcomplexsystemsdon’’thelpusmuchoutsideoftheir18areas.Oneofthegoalsofsystemsscienceistousemathandcomputerstohelppeoplegetbetter19takingcareofEarth’’slife-supportsystems.Thetaskinvolvesteachingourthinkingbrainsabout20complicatedsystemswork.
Outline: 1importanceofgoodhealth 2waystokeepfit 3myownpractices
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