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Directions: You are going to read a text about basic element in both speaking and writing, followe...
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Beingamanhasalwaysbeendangerous.Thereareabout105malesbornforevery100femalesbutthisratiodropstonearbalanceattheageofmaturityandamong70-year-oldtherearetwiceasmanywomenasmen.Butthegreatuniversalofmalemortalityisbeingchanged.Nowboybabiessurvivealmostaswellasgirlsdo.Thismeansthatforthefirsttimetherewillbeanexcessofboysinthosecrucialyearswhentheyaresearchingforamate.Moreimportantanotherchancefornaturalselectionhasbeenremoved.Fiftyyearsagothechanceofababyparticularlyaboybabysurvivingdependedonitsweight.Akilogramtoolightortooheavymeantalmostcertaindeath.Todayitmakesalmostnodifference.Sincemuchofthevariationisduetogenesonemoreagentofevolutionhasgone. Thereisanotherwaytocommitevolutionarysuicide:stayalivebuthavefewerchildren.Fewpeopleareasfertileasinthepast.Exceptinsomereligiouscommunitiesveryfewwomenhave15children.Nowadaysthenumberofbirthsliketheageofdeathhasbecomeaverage.Mostofushaveroughlythesamenumberofoffspring.Againdifferencesbetweenpeopleandtheopportunityfornaturalselectiontotakeadvantageofithavediminished.Indiashowswhatishappening.Thecountryofferswealthforafewinthegreatcitiesandpovertyfortheremainingtribalpeoples.Thegrandmediocrityoftoday--everyonebeingthesameinsurvivalandnumberofoffspring--meansthatnaturalselectionhaslost80%ofitspowerinupper-middle-classIndiacomparedtothetribes. Forusthismeansthatevolutionisover;thebiologicalUtopiahasarrived.Strangelyithasinvolvedlittlephysicalchange.Nootherspeciesfillssomanyplacesinnature.Butinthepast100000years--eventhepast100years--ourliveshavebeentransformedbutourbodieshavenot.Wedidnotevolvebecausemachinesandsocietydiditforus.Darwinhadaphrasetodescribethoseignorantofevolution:theylookatanorganicbeingasasavagelooksatashipasatsomethingwhollybeyondhiscomprehension.Nodoubtwewillremembera20thcenturywayoflifebeyondcomprehensionforitsugliness.ButhoweveramazedourdescendantsmaybeathowfarfromUtopiaweweretheywilllookjustlikeus. Theauthorarguesthatourbodieshavestoppedevolvingbecause__________.
Thedifferencesinrelativegrowthofvariousareasofscientificresearchhaveseveralcauses.71.Someofthesecausesarecompletelyreasonableresultsofsocialneeds.Othersarereasonableconsequencesofparticularadvancesinsciencebeingtosomeextentself-accelerating.Somehoweverarelessreasonableprocessesofdifferentgrowthinwhichpreconceptionsoftheformscientifictheoryoughttotakebypersonsinauthorityacttoalterthegrowthpatternofdifferentareas.Thisisanewproblemprobablynotyetunavoidable;butitisafrighteningtrend.72.ThistrendbeganduringtheSecondWorldWarwhenseveralgovernmentscametotheconclusionthatthespecificdemandsthatagovernmentwantstomakeofitsscientificestablishmentcannotgenerallybeforeseenindetail.Itcanbepredictedhoweverthatfromtimetotimequestionswillarisewhichwillrequirespecificscientificanswers.Itisthereforegenerallyvaluabletotreatthescientificestablishmentasaresourceormachinetobekeptinfunctionalorder.73.Thisseemsmostlyeffectivelydonebysupportingacertainamountofresearchnotrelatedtoimmediategoalsbutofpossibleconsequenceinthefuture. Thiskindofsupportlikeallgovernmentsupportrequiresdecisionsabouttheappropriaterecipientsoffunds.Decisionsbasedonutilityasopposedtolackofutilityarestraightforward.Butadecisionamongprojectsnoneofwhichhasimmediateutilityismoredifficult.Thegoalofthesupportingagenciesisthepraisableoneofsupportinggoodasopposedtobadsciencebutavaliddeterminationisdifficulttomake.Generallytheideaofgoodsciencetendstobecomeconfusedwiththecapacityofthefieldinquestiontogenerateaneleganttheory.74.Howevertheworldissomadethatelegantsystemsareinprincipleunabletodealwithsomeoftheworld’’smorefascinatinganddelightfulaspects.75.Newformsofthoughtaswellasnewsubjectsforthoughtmustariseinthefutureastheyhaveinthepastgivingrisetonewstandardsofelegance. Thedifferencesinrelativegrowthofvariousareasofscientificresearchhaveseveralcauses.71.Someofthesecausesarecompletelyreasonableresultsofsocialneeds.Othersarereasonableconsequencesofparticularadvancesinsciencebeingtosomeextentself-accelerating.Somehoweverarelessreasonableprocessesofdifferentgrowthinwhichpreconceptionsoftheformscientifictheoryoughttotakebypersonsinauthorityacttoalterthegrowthpatternofdifferentareas.Thisisanewproblemprobablynotyetunavoidable;butitisafrighteningtrend.72.ThistrendbeganduringtheSecondWorldWarwhenseveralgovernmentscametotheconclusionthatthespecificdemandsthatagovernmentwantstomakeofitsscientificestablishmentcannotgenerallybeforeseenindetail.Itcanbepredictedhoweverthatfromtimetotimequestionswillarisewhichwillrequirespecificscientificanswers.Itisthereforegenerallyvaluabletotreatthescientificestablishmentasaresourceormachinetobekeptinfunctionalorder.73.Thisseemsmostlyeffectivelydonebysupportingacertainamountofresearchnotrelatedtoimmediategoalsbutofpossibleconsequenceinthefuture. Thiskindofsupportlikeallgovernmentsupportrequiresdecisionsabouttheappropriaterecipientsoffunds.Decisionsbasedonutilityasopposedtolackofutilityarestraightforward.Butadecisionamongprojectsnoneofwhichhasimmediateutilityismoredifficult.Thegoalofthesupportingagenciesisthepraisableoneofsupportinggoodasopposedtobadsciencebutavaliddeterminationisdifficulttomake.Generallytheideaofgoodsciencetendstobecomeconfusedwiththecapacityofthefieldinquestiontogenerateaneleganttheory.74.Howevertheworldissomadethatelegantsystemsareinprincipleunabletodealwithsomeoftheworld’’smorefascinatinganddelightfulaspects.75.Newformsofthoughtaswellasnewsubjectsforthoughtmustariseinthefutureastheyhaveinthepastgivingrisetonewstandardsofelegance.
Fewcreationsofbigtechnologycapturetheimaginationlikegiantdams.Perhapsitishumankind’’slongsufferingatthemercyoffloodanddroughtthatmakestheideaofforcingthewaterstodoourbiddingsofascinatingButtobefascinatedisalsosometimestobeblind.Severalgiantdamprojectsthreatentodomoreharmthangood. Thelessonfromdamsisthatbigisnotalwaysbeautiful.Itdoesn’’thelpthatbuildingabigpowerfuldamhasbecomeasymbolofachievementfornationsandpeoplestrivingtoassertthemselves.Egypt’’sleadershipintheArabworldwascementedbytheAswanHighDam.Turkey’’sbidforFirstWorldstatusincludesthegiantAtaturkDam. Butbigdamstendnottoworkasintended.TheAswanDamforexamplestoppedtheNilefloodingbutdeprivedEgyptofthefertilesiltthatfloodsleft―allinreturnforagiantreservoirofdiseasewhichisnowsofullofsiltthatitbarelygenerateselectricity. Andyetthemythofcontrollingthewaterspersists.ThisweekintheheartofcivilizedEuropeSlovaksandHungariansstoppedjustshortofsendinginthetroopsintheircontentionoveradamontheDanube.Thehugecomplexwillprobablyhavealltheusualproblemsofbigdams.ButSlovakiaisbiddingforindependencefromtheCzechsandnowneedsadamtoproveitself. MeanwhileinIndiatheWorldBankhasgiventhego-aheadtotheevenmorewrong-headedNarmadaDam.Andthebankhasdonethiseventhoughitsadvisorssaythedamwillcausehardshipforthepowerlessandenvironmentaldestruction.Thebenefitsareforthepowerfulbuttheyarefarfromguaranteed. Properscientificstudyoftheimpactsofdamsandofthecostsandbenefitsofcontrollingwatercanhelptoresolvetheseconflicts.Hydroelectricpowerandfloodcontrolandirrigationarepossiblewithoutbuildingmonsterdams.Butwhenyouaredealingwithmythsitishardtobeeitherproperorscientific.ItistimethattheworldlearnedthelessonsofAswan.Youdon’’tneedadamtobesaved. Inparagraph5thepowerlessprobablyrefersto____________.
1Writeoutthemessagesconveyedbythecartoon. 2Giveyourcomments.
IsitpossiblethattheideaswehavetodayaboutownershipandpropertyrightshavebeensouniversalinthehumanmindthatitistrulyasiftheyhadsprungfromthemindofGodBynomeans.Theideaofowningandpropertyemergedinthemistsofunrecordedhistory.TheancientJewsforonehadaverydifferentoutlookonpropertyandownershipviewingitassomethingmuchmoretemporaryandtentativethanwedo. TheideaswehaveinAmericaabouttheprivateownershipofproductivepropertyasanaturalanduniversalrightofmankindperhapsofdivineoriginarebynomeansuniversalandmustbeviewedasaninventionofmanratherthanadecreeorderofGod.Ofcoursewearecompletelytrainedtoaccepttheideaofownershipoftheearthanditsproductsrawandtransformed.Itseemsnotatallstrange;infactitisquitedifficulttoimagineasocietywithoutsucharrangements.Ifsomeonesomeindividualdidn’’townthatplotoflandthathousethatfactorythatmachinethattowerofwheathowwouldwefunctionWhatwouldtherulesbeWhomwouldwebuyfromandhowwouldwesell Itisimportanttoacknowledgeasignificantdifferencebetweenachievingownershipsimplybytakingorclaimingpropertyandowningwhatwetendtocallthefruitoflabor.IfIaloneortogetherwithmyfamilyworkonthelandandraisecropsorifImakesomethingusefuloutofnaturalmaterialitseemsreasonableandfairtoclaimthatthecropsortheobjectsbelongtomeormyfamilyaremypropertyatleastinthesensethatIhavefirstclaimonthem.Hardlyanyonewoulddisputethat.Infactsomeoftheearlyradicalworkingmen’’smovementsmadeanownershipclaimonthoseverygrounds.AsindustrialorganizationbecamemorecomplexhoweversuchissuesbecamevastlymoreintricateItmustbeclearthatinmodernsocietythesocialheritageofknowledgeandtechnologyandthesocialorganizationofmanufactureandexchangeaccountforfarmoreoftheproductivityofindustryandthevalueofwhatisproducedthancanbeaccountedforbythelaborofanynumberofindividuals.HardlyanypersoncannowpointandsayThat--thatrightthere--isthefruitofmylabor.Wecansayasasocietyasanation--asaworldreally--thatwhatisproducedisthefruitofourlabortheproductofthewholesocietyasacollectivity. Wehavetorecognizethattherightofprivateindividualownershipofpropertyisman-madeandconstantlydependentontheextenttowhichthosewithoutpropertybelievethattheownercanmakehisclaimstick. Accordingtothetexttheconceptofownershipprobably
IsitpossiblethattheideaswehavetodayaboutownershipandpropertyrightshavebeensouniversalinthehumanmindthatitistrulyasiftheyhadsprungfromthemindofGodBynomeans.Theideaofowningandpropertyemergedinthemistsofunrecordedhistory.TheancientJewsforonehadaverydifferentoutlookonpropertyandownershipviewingitassomethingmuchmoretemporaryandtentativethanwedo. TheideaswehaveinAmericaabouttheprivateownershipofproductivepropertyasanaturalanduniversalrightofmankindperhapsofdivineoriginarebynomeansuniversalandmustbeviewedasaninventionofmanratherthanadecreeorderofGod.Ofcoursewearecompletelytrainedtoaccepttheideaofownershipoftheearthanditsproductsrawandtransformed.Itseemsnotatallstrange;infactitisquitedifficulttoimagineasocietywithoutsucharrangements.Ifsomeonesomeindividualdidn’’townthatplotoflandthathousethatfactorythatmachinethattowerofwheathowwouldwefunctionWhatwouldtherulesbeWhomwouldwebuyfromandhowwouldwesell Itisimportanttoacknowledgeasignificantdifferencebetweenachievingownershipsimplybytakingorclaimingpropertyandowningwhatwetendtocallthefruitoflabor.IfIaloneortogetherwithmyfamilyworkonthelandandraisecropsorifImakesomethingusefuloutofnaturalmaterialitseemsreasonableandfairtoclaimthatthecropsortheobjectsbelongtomeormyfamilyaremypropertyatleastinthesensethatIhavefirstclaimonthem.Hardlyanyonewoulddisputethat.Infactsomeoftheearlyradicalworkingmen’’smovementsmadeanownershipclaimonthoseverygrounds.AsindustrialorganizationbecamemorecomplexhoweversuchissuesbecamevastlymoreintricateItmustbeclearthatinmodernsocietythesocialheritageofknowledgeandtechnologyandthesocialorganizationofmanufactureandexchangeaccountforfarmoreoftheproductivityofindustryandthevalueofwhatisproducedthancanbeaccountedforbythelaborofanynumberofindividuals.HardlyanypersoncannowpointandsayThat--thatrightthere--isthefruitofmylabor.Wecansayasasocietyasanation--asaworldreally--thatwhatisproducedisthefruitofourlabortheproductofthewholesocietyasacollectivity. Wehavetorecognizethattherightofprivateindividualownershipofpropertyisman-madeandconstantlydependentontheextenttowhichthosewithoutpropertybelievethattheownercanmakehisclaimstick. Onedeservestoclaimonsomeproductonlywhen
Thedifferencesinrelativegrowthofvariousareasofscientificresearchhaveseveralcauses.71.Someofthesecausesarecompletelyreasonableresultsofsocialneeds.Othersarereasonableconsequencesofparticularadvancesinsciencebeingtosomeextentself-accelerating.Somehoweverarelessreasonableprocessesofdifferentgrowthinwhichpreconceptionsoftheformscientifictheoryoughttotakebypersonsinauthorityacttoalterthegrowthpatternofdifferentareas.Thisisanewproblemprobablynotyetunavoidable;butitisafrighteningtrend.72.ThistrendbeganduringtheSecondWorldWarwhenseveralgovernmentscametotheconclusionthatthespecificdemandsthatagovernmentwantstomakeofitsscientificestablishmentcannotgenerallybeforeseenindetail.Itcanbepredictedhoweverthatfromtimetotimequestionswillarisewhichwillrequirespecificscientificanswers.Itisthereforegenerallyvaluabletotreatthescientificestablishmentasaresourceormachinetobekeptinfunctionalorder.73.Thisseemsmostlyeffectivelydonebysupportingacertainamountofresearchnotrelatedtoimmediategoalsbutofpossibleconsequenceinthefuture. Thiskindofsupportlikeallgovernmentsupportrequiresdecisionsabouttheappropriaterecipientsoffunds.Decisionsbasedonutilityasopposedtolackofutilityarestraightforward.Butadecisionamongprojectsnoneofwhichhasimmediateutilityismoredifficult.Thegoalofthesupportingagenciesisthepraisableoneofsupportinggoodasopposedtobadsciencebutavaliddeterminationisdifficulttomake.Generallytheideaofgoodsciencetendstobecomeconfusedwiththecapacityofthefieldinquestiontogenerateaneleganttheory.74.Howevertheworldissomadethatelegantsystemsareinprincipleunabletodealwithsomeoftheworld’’smorefascinatinganddelightfulaspects.75.Newformsofthoughtaswellasnewsubjectsforthoughtmustariseinthefutureastheyhaveinthepastgivingrisetonewstandardsofelegance.
Ateverystageofdevelopmentclothescanhelpestablishaperson’’sidentityforhimselfandforthosewithwhomheinteracts.Thechildhoodgameofdressingupinparents’’1providestheopportunityforthechildto2theroleshewillbe3toplayinadultlife. Thedegree4whichapersonchoosesclothesthat5theroleswillaffecthisperformanceinthoseroles.Clothesareanimportantfactorindeveloping6ofself-confidenceandself-respect7whenyoulookgoodyoufeelgood.Formostpeopleclothesareoftenasourceof8reactionfromotherssinceinourculturewearemore9tocomplimentapersononhis10thanonother11oftheself MostAmericansalso12thataproperappearanceandproperdressarethekeys13associationwiththerightcrowdwhich14opensthedoorstojobadvancementincreasedincomeandgreaterprestige. Ourclothingneedsare15byamultitudeofcircumstancesbecausebuyingmotivesare16simple.Thefirststepinthedecision-makingprocessistomakea17orderingofthethingsthatareimportanttous.Ifapersonrecognizesand18theprioritiesofhisvalues―e.g.thathisstatusandprestigemaybemoreimportantthanhisphysicalcomfort―his19ofclothingisnotonlysimplifiedbutmorelikelyto20himgreatersatisfaction.
Ateverystageofdevelopmentclothescanhelpestablishaperson’’sidentityforhimselfandforthosewithwhomheinteracts.Thechildhoodgameofdressingupinparents’’1providestheopportunityforthechildto2theroleshewillbe3toplayinadultlife. Thedegree4whichapersonchoosesclothesthat5theroleswillaffecthisperformanceinthoseroles.Clothesareanimportantfactorindeveloping6ofself-confidenceandself-respect7whenyoulookgoodyoufeelgood.Formostpeopleclothesareoftenasourceof8reactionfromotherssinceinourculturewearemore9tocomplimentapersononhis10thanonother11oftheself MostAmericansalso12thataproperappearanceandproperdressarethekeys13associationwiththerightcrowdwhich14opensthedoorstojobadvancementincreasedincomeandgreaterprestige. Ourclothingneedsare15byamultitudeofcircumstancesbecausebuyingmotivesare16simple.Thefirststepinthedecision-makingprocessistomakea17orderingofthethingsthatareimportanttous.Ifapersonrecognizesand18theprioritiesofhisvalues―e.g.thathisstatusandprestigemaybemoreimportantthanhisphysicalcomfort―his19ofclothingisnotonlysimplifiedbutmorelikelyto20himgreatersatisfaction.
Doyourememberallthoseyearswhenscientistsarguedthatsmokingwouldkillusbutthedoubtersinsistedthatwedidn’’tknowforsureThattheevidencewasinconclusivethescienceuncertainThattheantismokinglobbywasouttodestroyourwayoflifeandthegovernmentshouldstayoutofthewayLotsofAmericansboughtthatnonsenseandoverthreedecadessome10millionsmokerswenttoearlygraves. Thereareupsettingparallelstodayasscientistsinonewaveafteranothertrytoawakenustothegrowingthreatofglobalwarming.ThelatestwasapanelfromtheNationalAcademyofSciencesenlistedbytheWhiteHousetotellusthattheEarth’’satmosphereisdefinitelywarmingandthattheproblemislargelyman-made.Theclearmessageisthatweshouldgetmovingtoprotectourselves.ThepresidentoftheNationalAcademyBruceAlbertsaddedthiskeypointintheprefacetothepanel’’sreport:Scienceneverhasalltheanswers.Butsciencedoesprovideuswiththebestavailableguidetothefutureanditiscriticalthatournationandtheworldbaseimportantpoliciesonthebestjudgmentsthatsciencecanprovideconcerningthefutureconsequencesofpresentactions. Justasonsmokingvoicesnowcomefrommanyquartersinsistingthatthescienceaboutglobalwarmingisincompletethatit’’sOKtokeeppouringfumesintotheairuntilweknowforsure.Thisisadangerousgame:bythetime100percentoftheevidenceisinitmaybetoolate.Withtherisksobviousandgrowingaprudentpeoplewouldtakeoutaninsurancepolicynow. FortunatelytheWhiteHouseisstartingtopayattention.Butit’’sobviousthatamajorityofthepresident’’sadvisersstilldon’’ttakeglobalwarmingseriously.Insteadofaplanofactiontheycontinuetopressformoreresearch―aclassiccaseofparalysisbyanalysis. Toserveasresponsiblestewardsoftheplanetwemustpressforwardondeeperatmosphericandoceanicresearch.Butresearchaloneisinadequate.IftheAdministrationwon’’ttakethelegislativeinitiativeCongressshouldhelptobeginfashioningconservationmeasures.AbillbyDemocraticSenatorRobertByrdofWestVirginiawhichwouldofferfinancialincentivesforprivateindustryisapromisingstart.Manyseethatthecountryisgettingreadytobuildlotsofnewpowerplantstomeetourenergyneeds.Ifweareevergoingtoprotecttheatmosphereitiscrucialthatthosenewplantsbeenvironmentallysound. AccordingtotheauthorwhatshouldtheAdministrationdoaboutglobalwarming
Beingamanhasalwaysbeendangerous.Thereareabout105malesbornforevery100femalesbutthisratiodropstonearbalanceattheageofmaturityandamong70-year-oldtherearetwiceasmanywomenasmen.Butthegreatuniversalofmalemortalityisbeingchanged.Nowboybabiessurvivealmostaswellasgirlsdo.Thismeansthatforthefirsttimetherewillbeanexcessofboysinthosecrucialyearswhentheyaresearchingforamate.Moreimportantanotherchancefornaturalselectionhasbeenremoved.Fiftyyearsagothechanceofababyparticularlyaboybabysurvivingdependedonitsweight.Akilogramtoolightortooheavymeantalmostcertaindeath.Todayitmakesalmostnodifference.Sincemuchofthevariationisduetogenesonemoreagentofevolutionhasgone. Thereisanotherwaytocommitevolutionarysuicide:stayalivebuthavefewerchildren.Fewpeopleareasfertileasinthepast.Exceptinsomereligiouscommunitiesveryfewwomenhave15children.Nowadaysthenumberofbirthsliketheageofdeathhasbecomeaverage.Mostofushaveroughlythesamenumberofoffspring.Againdifferencesbetweenpeopleandtheopportunityfornaturalselectiontotakeadvantageofithavediminished.Indiashowswhatishappening.Thecountryofferswealthforafewinthegreatcitiesandpovertyfortheremainingtribalpeoples.Thegrandmediocrityoftoday--everyonebeingthesameinsurvivalandnumberofoffspring--meansthatnaturalselectionhaslost80%ofitspowerinupper-middle-classIndiacomparedtothetribes. Forusthismeansthatevolutionisover;thebiologicalUtopiahasarrived.Strangelyithasinvolvedlittlephysicalchange.Nootherspeciesfillssomanyplacesinnature.Butinthepast100000years--eventhepast100years--ourliveshavebeentransformedbutourbodieshavenot.Wedidnotevolvebecausemachinesandsocietydiditforus.Darwinhadaphrasetodescribethoseignorantofevolution:theylookatanorganicbeingasasavagelooksatashipasatsomethingwhollybeyondhiscomprehension.Nodoubtwewillremembera20thcenturywayoflifebeyondcomprehensionforitsugliness.ButhoweveramazedourdescendantsmaybeathowfarfromUtopiaweweretheywilllookjustlikeus. Whatusedtobethedangerinbeingamanaccordingtothefirstparagraph
Fewcreationsofbigtechnologycapturetheimaginationlikegiantdams.Perhapsitishumankind’’slongsufferingatthemercyoffloodanddroughtthatmakestheideaofforcingthewaterstodoourbiddingsofascinatingButtobefascinatedisalsosometimestobeblind.Severalgiantdamprojectsthreatentodomoreharmthangood. Thelessonfromdamsisthatbigisnotalwaysbeautiful.Itdoesn’’thelpthatbuildingabigpowerfuldamhasbecomeasymbolofachievementfornationsandpeoplestrivingtoassertthemselves.Egypt’’sleadershipintheArabworldwascementedbytheAswanHighDam.Turkey’’sbidforFirstWorldstatusincludesthegiantAtaturkDam. Butbigdamstendnottoworkasintended.TheAswanDamforexamplestoppedtheNilefloodingbutdeprivedEgyptofthefertilesiltthatfloodsleft―allinreturnforagiantreservoirofdiseasewhichisnowsofullofsiltthatitbarelygenerateselectricity. Andyetthemythofcontrollingthewaterspersists.ThisweekintheheartofcivilizedEuropeSlovaksandHungariansstoppedjustshortofsendinginthetroopsintheircontentionoveradamontheDanube.Thehugecomplexwillprobablyhavealltheusualproblemsofbigdams.ButSlovakiaisbiddingforindependencefromtheCzechsandnowneedsadamtoproveitself. MeanwhileinIndiatheWorldBankhasgiventhego-aheadtotheevenmorewrong-headedNarmadaDam.Andthebankhasdonethiseventhoughitsadvisorssaythedamwillcausehardshipforthepowerlessandenvironmentaldestruction.Thebenefitsareforthepowerfulbuttheyarefarfromguaranteed. Properscientificstudyoftheimpactsofdamsandofthecostsandbenefitsofcontrollingwatercanhelptoresolvetheseconflicts.Hydroelectricpowerandfloodcontrolandirrigationarepossiblewithoutbuildingmonsterdams.Butwhenyouaredealingwithmythsitishardtobeeitherproperorscientific.ItistimethattheworldlearnedthelessonsofAswan.Youdon’’tneedadamtobesaved. Whattheauthortriestosuggestmaybestbeinterpretedas____________.
Doyourememberallthoseyearswhenscientistsarguedthatsmokingwouldkillusbutthedoubtersinsistedthatwedidn’’tknowforsureThattheevidencewasinconclusivethescienceuncertainThattheantismokinglobbywasouttodestroyourwayoflifeandthegovernmentshouldstayoutofthewayLotsofAmericansboughtthatnonsenseandoverthreedecadessome10millionsmokerswenttoearlygraves. Thereareupsettingparallelstodayasscientistsinonewaveafteranothertrytoawakenustothegrowingthreatofglobalwarming.ThelatestwasapanelfromtheNationalAcademyofSciencesenlistedbytheWhiteHousetotellusthattheEarth’’satmosphereisdefinitelywarmingandthattheproblemislargelyman-made.Theclearmessageisthatweshouldgetmovingtoprotectourselves.ThepresidentoftheNationalAcademyBruceAlbertsaddedthiskeypointintheprefacetothepanel’’sreport:Scienceneverhasalltheanswers.Butsciencedoesprovideuswiththebestavailableguidetothefutureanditiscriticalthatournationandtheworldbaseimportantpoliciesonthebestjudgmentsthatsciencecanprovideconcerningthefutureconsequencesofpresentactions. Justasonsmokingvoicesnowcomefrommanyquartersinsistingthatthescienceaboutglobalwarmingisincompletethatit’’sOKtokeeppouringfumesintotheairuntilweknowforsure.Thisisadangerousgame:bythetime100percentoftheevidenceisinitmaybetoolate.Withtherisksobviousandgrowingaprudentpeoplewouldtakeoutaninsurancepolicynow. FortunatelytheWhiteHouseisstartingtopayattention.Butit’’sobviousthatamajorityofthepresident’’sadvisersstilldon’’ttakeglobalwarmingseriously.Insteadofaplanofactiontheycontinuetopressformoreresearch―aclassiccaseofparalysisbyanalysis. Toserveasresponsiblestewardsoftheplanetwemustpressforwardondeeperatmosphericandoceanicresearch.Butresearchaloneisinadequate.IftheAdministrationwon’’ttakethelegislativeinitiativeCongressshouldhelptobeginfashioningconservationmeasures.AbillbyDemocraticSenatorRobertByrdofWestVirginiawhichwouldofferfinancialincentivesforprivateindustryisapromisingstart.Manyseethatthecountryisgettingreadytobuildlotsofnewpowerplantstomeetourenergyneeds.Ifweareevergoingtoprotecttheatmosphereitiscrucialthatthosenewplantsbeenvironmentallysound. AccordingtoBruceAlbertssciencecanserveas
Thedifferencesinrelativegrowthofvariousareasofscientificresearchhaveseveralcauses.71.Someofthesecausesarecompletelyreasonableresultsofsocialneeds.Othersarereasonableconsequencesofparticularadvancesinsciencebeingtosomeextentself-accelerating.Somehoweverarelessreasonableprocessesofdifferentgrowthinwhichpreconceptionsoftheformscientifictheoryoughttotakebypersonsinauthorityacttoalterthegrowthpatternofdifferentareas.Thisisanewproblemprobablynotyetunavoidable;butitisafrighteningtrend.72.ThistrendbeganduringtheSecondWorldWarwhenseveralgovernmentscametotheconclusionthatthespecificdemandsthatagovernmentwantstomakeofitsscientificestablishmentcannotgenerallybeforeseenindetail.Itcanbepredictedhoweverthatfromtimetotimequestionswillarisewhichwillrequirespecificscientificanswers.Itisthereforegenerallyvaluabletotreatthescientificestablishmentasaresourceormachinetobekeptinfunctionalorder.73.Thisseemsmostlyeffectivelydonebysupportingacertainamountofresearchnotrelatedtoimmediategoalsbutofpossibleconsequenceinthefuture. Thiskindofsupportlikeallgovernmentsupportrequiresdecisionsabouttheappropriaterecipientsoffunds.Decisionsbasedonutilityasopposedtolackofutilityarestraightforward.Butadecisionamongprojectsnoneofwhichhasimmediateutilityismoredifficult.Thegoalofthesupportingagenciesisthepraisableoneofsupportinggoodasopposedtobadsciencebutavaliddeterminationisdifficulttomake.Generallytheideaofgoodsciencetendstobecomeconfusedwiththecapacityofthefieldinquestiontogenerateaneleganttheory.74.Howevertheworldissomadethatelegantsystemsareinprincipleunabletodealwithsomeoftheworld’’smorefascinatinganddelightfulaspects.75.Newformsofthoughtaswellasnewsubjectsforthoughtmustariseinthefutureastheyhaveinthepastgivingrisetonewstandardsofelegance.
IsitpossiblethattheideaswehavetodayaboutownershipandpropertyrightshavebeensouniversalinthehumanmindthatitistrulyasiftheyhadsprungfromthemindofGodBynomeans.Theideaofowningandpropertyemergedinthemistsofunrecordedhistory.TheancientJewsforonehadaverydifferentoutlookonpropertyandownershipviewingitassomethingmuchmoretemporaryandtentativethanwedo. TheideaswehaveinAmericaabouttheprivateownershipofproductivepropertyasanaturalanduniversalrightofmankindperhapsofdivineoriginarebynomeansuniversalandmustbeviewedasaninventionofmanratherthanadecreeorderofGod.Ofcoursewearecompletelytrainedtoaccepttheideaofownershipoftheearthanditsproductsrawandtransformed.Itseemsnotatallstrange;infactitisquitedifficulttoimagineasocietywithoutsucharrangements.Ifsomeonesomeindividualdidn’’townthatplotoflandthathousethatfactorythatmachinethattowerofwheathowwouldwefunctionWhatwouldtherulesbeWhomwouldwebuyfromandhowwouldwesell Itisimportanttoacknowledgeasignificantdifferencebetweenachievingownershipsimplybytakingorclaimingpropertyandowningwhatwetendtocallthefruitoflabor.IfIaloneortogetherwithmyfamilyworkonthelandandraisecropsorifImakesomethingusefuloutofnaturalmaterialitseemsreasonableandfairtoclaimthatthecropsortheobjectsbelongtomeormyfamilyaremypropertyatleastinthesensethatIhavefirstclaimonthem.Hardlyanyonewoulddisputethat.Infactsomeoftheearlyradicalworkingmen’’smovementsmadeanownershipclaimonthoseverygrounds.AsindustrialorganizationbecamemorecomplexhoweversuchissuesbecamevastlymoreintricateItmustbeclearthatinmodernsocietythesocialheritageofknowledgeandtechnologyandthesocialorganizationofmanufactureandexchangeaccountforfarmoreoftheproductivityofindustryandthevalueofwhatisproducedthancanbeaccountedforbythelaborofanynumberofindividuals.HardlyanypersoncannowpointandsayThat--thatrightthere--isthefruitofmylabor.Wecansayasasocietyasanation--asaworldreally--thatwhatisproducedisthefruitofourlabortheproductofthewholesocietyasacollectivity. Wehavetorecognizethattherightofprivateindividualownershipofpropertyisman-madeandconstantlydependentontheextenttowhichthosewithoutpropertybelievethattheownercanmakehisclaimstick. Privateownershipofpropertyisfinallydescribedas
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