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Forthreedecadeswe’’veheardendlesslyaboutthevirtuesofaerobicincreasingoxygenconsumptionexercise.MedicalauthoritieshavepraisedrunningandjumpingasthekeytogoodhealthandmillionsofAmericanshavetakentothetreadmill踏车toreaptherewards.Butthestoryischanging.EveryonefromtheAmericanHeartAssociationtothesurgeongeneral’’sofficehasrecentlyembracedstrengthtrainingasacomplementtoaerobics.AndasweightliftinghasgonemainstreamsohastheonceobscurepracticeknownasSuperSlowtraining.Enthusiastsclaimthatbypumpingironatasnail’’space-makingeachreprepeatlast14secondsinsteadoftheusualseven-youcansafelyplaceextraordinarydemandsonyourmusclesandcallforthanextraordinaryresponse.Slowliftingmaynotbetheonlyexerciseyouneedassomeadvocatesbelievebutthebenefitsareoftendramatic. Almostanyonecanhandlethisroutine.Theonlyrequirementsarecompletefocusandatolerancefordeepmuscularburn.Foxeachexercise-legpressbenchpressshoulderpressandsoon-yousetthemachinetoprovideonlymoderateresistance.Butasyoudrawouteachrepdeprivingyourselfofimpetustheweightsoonfeelsunbearable.Defyingtheimpulsetostopyoukeepgoinguntilyoucan’’tcompletearep.Thenyousustainyourvaineffortfor10moresecondswhiletheweightsinksgraduallytowarditscradle.IntenseUncomfortableTotally.Butonceyouembracemusclefailureasthegoaloftheworkoutitcanbecomealmostpleasure. Thegoalisnottoburncalorieswhileyou’’reexercisingbuttomakeyourbodyburnthemallthetime.Runningafewmilesmanymakeyousweatbutitexpendsonly100caloriespermileanditdoesn’’tstimulatemuchboneormuscledevelopment.Strengthtrainingdoesn’’tburnmanycalorieseither.Butwhenyoupushamuscletofailureyousetoffapourofphysiologicalchanges.Asthemusclerecoversoverseveraldaysitwillthicken-andthenewmuscletissuewilldemandsustenance.Bythetimeyouaddthreepoundsofmuscleyourbodyrequiresanextra9000caloriesamonthjusttobreakeven.Holdyourdietsteadyandveryquicklyyouarevaporizingbodyfat. Onemighthavebenefitedfromanystrength-trainingprogram.Butadvocatesinsisttheslowtechniqueissaferandmoreeffectivethantraditionalmethods. AccordingtotheauthorSuperSlowtraining
抵当汤中的大黄煮时应注意
Ourworldofthemid-1990sfacespotentiallyburstingchange.Thequestionisinwhatdirectionwillittakeus46Willthechangecomefromworldwideinitiativesthatreversethedegradationoftheplanetandrestorehopeforthefutureorwillitcomefromcontinuingenvironmentaldeteriorationthatleadstoeconomicdeclineandsocialinstability Thereisnoprecedentfortherapidsubstantialchangeweneedtomake.47Buildinganenvironmentallysustainablefuturedependsonrestructuringtheglobaleconomymajorshiftsinhumanreproductivebehavioranddramaticchangesinvaluesandlifestyles.Doingallthisquicklyaddsuptoarevolutionthatisdrivenanddefinedbytheneedtorestoretheearth’’senvironmentalsystems.IfthisEnvironmentalRevolutionsucceedsitwillrankwiththeAgriculturalandIndustrialRevolutionsasoneofthegreateconomicandsocialtransformationsinhumanhistory. LiketheAgriculturalRevolutionitwilldramaticallyalterpopulationtrends.48Whiletheformersetthestageforenormousincreasesinhumannumbersthisrevolutionwillsucceedonlyifitstabilizeshumanpopulationsizereestablishingabalancebetweenpeopleandnaturalsystemonwhichtheydepend.IncontrasttotheIndustrialRevolutionwhichwasbasedonashifttofossilfuelsthisnewtransformationwillbebasedonashiftawayfromfossilfuels. 49Thetwoearlierrevolutionsweredrivenbytechnologicaladvances―thefirstbythediscoveryoffarmingandthesecondbytheinventionofthesteamenginewhichconvertedtheenergyincoalintomechanicalpower.TheEnvironmentalRevolutionwhileitwillobviouslyneednewtechnologieswillbedrivenprimarilybytherestructuringoftheglobaleconomysothatitdoesnotdestroyitsnaturalsupportsystem. ThepaceoftheEnvironmentalRevolutionneedstobefarfasterthanthatofitspredecessors.TheAgriculturalRevolutionbegansome10000yearsagoandtheIndustrialRevolutionhasbeenunderwayforabouttwocenturies.ButiftheEnvironmentalRevolutionistosucceeditmustbecompressedintoafewdecades.ProgressintheAgriculturalRevolutionwasmeasuredalmostexclusivelyinthegrowthinfoodoutputthateventuallyenabledfarmerstoproduceasurplusthatcouldfeedcitydwellers.Similarlyindustrialprogresswasgainedbysuccessinexpandingtheoutputofrawmaterialsandmanufacturedgoods.50TheEnvironmentalRevolutionwillbejudgedbywhetheritcanshifttheworldeconomyintoanenvironmentallysustainabledevelopmentpathonethatleadstogreatereconomicsecurityhealthierlifestylesandaworldwideimprovementinthehumancondition.
Forthreedecadeswe’’veheardendlesslyaboutthevirtuesofaerobicincreasingoxygenconsumptionexercise.MedicalauthoritieshavepraisedrunningandjumpingasthekeytogoodhealthandmillionsofAmericanshavetakentothetreadmill踏车toreaptherewards.Butthestoryischanging.EveryonefromtheAmericanHeartAssociationtothesurgeongeneral’’sofficehasrecentlyembracedstrengthtrainingasacomplementtoaerobics.AndasweightliftinghasgonemainstreamsohastheonceobscurepracticeknownasSuperSlowtraining.Enthusiastsclaimthatbypumpingironatasnail’’space-makingeachreprepeatlast14secondsinsteadoftheusualseven-youcansafelyplaceextraordinarydemandsonyourmusclesandcallforthanextraordinaryresponse.Slowliftingmaynotbetheonlyexerciseyouneedassomeadvocatesbelievebutthebenefitsareoftendramatic. Almostanyonecanhandlethisroutine.Theonlyrequirementsarecompletefocusandatolerancefordeepmuscularburn.Foxeachexercise-legpressbenchpressshoulderpressandsoon-yousetthemachinetoprovideonlymoderateresistance.Butasyoudrawouteachrepdeprivingyourselfofimpetustheweightsoonfeelsunbearable.Defyingtheimpulsetostopyoukeepgoinguntilyoucan’’tcompletearep.Thenyousustainyourvaineffortfor10moresecondswhiletheweightsinksgraduallytowarditscradle.IntenseUncomfortableTotally.Butonceyouembracemusclefailureasthegoaloftheworkoutitcanbecomealmostpleasure. Thegoalisnottoburncalorieswhileyou’’reexercisingbuttomakeyourbodyburnthemallthetime.Runningafewmilesmanymakeyousweatbutitexpendsonly100caloriespermileanditdoesn’’tstimulatemuchboneormuscledevelopment.Strengthtrainingdoesn’’tburnmanycalorieseither.Butwhenyoupushamuscletofailureyousetoffapourofphysiologicalchanges.Asthemusclerecoversoverseveraldaysitwillthicken-andthenewmuscletissuewilldemandsustenance.Bythetimeyouaddthreepoundsofmuscleyourbodyrequiresanextra9000caloriesamonthjusttobreakeven.Holdyourdietsteadyandveryquicklyyouarevaporizingbodyfat. Onemighthavebenefitedfromanystrength-trainingprogram.Butadvocatesinsisttheslowtechniqueissaferandmoreeffectivethantraditionalmethods. Inpracticingslowliftingonehasto
WhenaScottishresearchteamstartledtheworldbyrevealing3monthsagothatithadclonedanadultsheepPresidentClintonmovedswiftly.Declaringthathewasopposedtousingthisunusualanimalhusbandrytechniquetoclonehumansheorderedthatfederalfundsnotbeusedforsuchanexperimentalthoughnoonehadproposedtodoso--andaskedanindependentpanelofexpertschairedbyPrincetonPresidentHaroldShapirotoreportbacktotheWhiteHousein90dayswithrecommendationsforanationalpolicyonhumancloning.Thatgroup--theNationalBioethicsAdvisoryCommissionNBAC--hasbeenworkingfeverishlytoputitswisdomonpaperandatameetingon17Maymembersagreedonanear-finaldraftoftheirrecommendations. NBACwillaskthatClinton’’s90-daybanonfederalfundsforhumancloningbeextendedindefinitelyandpossiblythatitbemadelaw.ButNBACmembersareplanningtowordtherecommendationnarrowlytoavoidnewrestrictionsonresearchthatinvolvesthecloningofhumanDNAorcells--routineinmolecularbiology.Thepanelhasnotyetreachedagreementonacrucialquestionhoweverwhethertorecommendlegislationthatwouldmakeitacrimeforprivatefundingtobeusedforhumancloning. Inadraftprefacetotherecommendationsdiscussedatthe17MaymeetingShapirosuggestedthatthepanelhadfoundabroadconsensusthatitwouldbemorallyunacceptabletoattempttocreateahumanchildbyadultnuclearcloning.Shapiroexplainedduringthemeetingthatthemoraldoubtstemsmainlyfromfearsabouttherisktothehealthofthechild.Thepaneltheninformallyacceptedseveralgeneralconclusionsalthoughsomedetailshavenotbeensettled. NBACplanstocallforacontinuedbanonfederalgovernmentfundingforanyattempttoclonebodycellnucleitocreateachild.Becausecurrentfederallawalreadyforbidstheuseoffederalfundstocreateembryostheearlieststageofhumanoffspringbeforbirthforresearchortobeforknowinglyendangeranembryo’’slifeNBACwillremainsilentonembryoresearch. NBACmembersalsoindicatedthattheywillappealtoprivatelyfundedresearchersandclinicsnottotrytoclonehumansbybodycellnucleartransfer.Buttheyweredividedonwhethertogofurtherbycallingforafederallawthatwouldimposeacompletebanonhumancloning.Shapiroandmostmembersfavoredanappealforsuchlegislationbutinaphoneinterviewhesaidthisissuewasstillupintheair. Itcanbeinferredfromthelastparagraphthat____________.
Ourworldofthemid-1990sfacespotentiallyburstingchange.Thequestionisinwhatdirectionwillittakeus46Willthechangecomefromworldwideinitiativesthatreversethedegradationoftheplanetandrestorehopeforthefutureorwillitcomefromcontinuingenvironmentaldeteriorationthatleadstoeconomicdeclineandsocialinstability Thereisnoprecedentfortherapidsubstantialchangeweneedtomake.47Buildinganenvironmentallysustainablefuturedependsonrestructuringtheglobaleconomymajorshiftsinhumanreproductivebehavioranddramaticchangesinvaluesandlifestyles.Doingallthisquicklyaddsuptoarevolutionthatisdrivenanddefinedbytheneedtorestoretheearth’’senvironmentalsystems.IfthisEnvironmentalRevolutionsucceedsitwillrankwiththeAgriculturalandIndustrialRevolutionsasoneofthegreateconomicandsocialtransformationsinhumanhistory. LiketheAgriculturalRevolutionitwilldramaticallyalterpopulationtrends.48Whiletheformersetthestageforenormousincreasesinhumannumbersthisrevolutionwillsucceedonlyifitstabilizeshumanpopulationsizereestablishingabalancebetweenpeopleandnaturalsystemonwhichtheydepend.IncontrasttotheIndustrialRevolutionwhichwasbasedonashifttofossilfuelsthisnewtransformationwillbebasedonashiftawayfromfossilfuels. 49Thetwoearlierrevolutionsweredrivenbytechnologicaladvances―thefirstbythediscoveryoffarmingandthesecondbytheinventionofthesteamenginewhichconvertedtheenergyincoalintomechanicalpower.TheEnvironmentalRevolutionwhileitwillobviouslyneednewtechnologieswillbedrivenprimarilybytherestructuringoftheglobaleconomysothatitdoesnotdestroyitsnaturalsupportsystem. ThepaceoftheEnvironmentalRevolutionneedstobefarfasterthanthatofitspredecessors.TheAgriculturalRevolutionbegansome10000yearsagoandtheIndustrialRevolutionhasbeenunderwayforabouttwocenturies.ButiftheEnvironmentalRevolutionistosucceeditmustbecompressedintoafewdecades.ProgressintheAgriculturalRevolutionwasmeasuredalmostexclusivelyinthegrowthinfoodoutputthateventuallyenabledfarmerstoproduceasurplusthatcouldfeedcitydwellers.Similarlyindustrialprogresswasgainedbysuccessinexpandingtheoutputofrawmaterialsandmanufacturedgoods.50TheEnvironmentalRevolutionwillbejudgedbywhetheritcanshifttheworldeconomyintoanenvironmentallysustainabledevelopmentpathonethatleadstogreatereconomicsecurityhealthierlifestylesandaworldwideimprovementinthehumancondition.
AmericansnolongerexpectpublicfigureswhetherinspeechorinwritingtocommandtheEnglishlanguagewithskillandgift.Nordotheyaspiretosuchcommandthemselves.InhislatestbookDoingOurOwnThing:TheDegradationofLanguageandMusicandWhyWeShouldLikeCareJohnMcWhorteralinguistandcontroversialistofmixedliberalandconservativeviewsseesthetriumphof1960scounter-cultureasresponsibleforthedeclineofformalEnglish. Blamingthepermissive1960sisnothingnewbutthisisnotyetanothercriticismagainstthedeclineineducation.Mr.McWhorter’’sacademicspecialityislanguagehistoryandchangeandheseesthegradualdisappearanceofwhomforexampletobenaturalandnomoreregrettablethanthelossofthecase-endingsofOldEnglish. Butthecultoftheauthenticandthepersonaldoingourownthinghasspeltthedeathofformalspeechwritingpoetryandmusic.Whileeventhemodestlyeducatedsoughtanelevatedtonewhentheyputpentopaperbeforethe1960seventhemostwellregardedwritingsincethenhassoughttocapturespokenEnglishonthepage.Equallyinpoetrythehighlypersonalperformativegenreistheonlyformthatcouldclaimrealliveliness.InbothoralandwrittenEnglishtalkingstriumphingoverspeakingspontaneityovercraft. IllustratedwithanentertainingarrayofexamplesfrombothhighandlowculturethetrendthatMr.McWhorterdocumentsisunmistakable.Butitislesscleartotakethequestionofhissubtitlewhyweshouldlikecare.Asalinguistheacknowledgesthatallvarietiesofhumanlanguageincludingnon-standardoneslikeBlackEnglishcanbepowerfullyexpressive--thereexistsnolanguageordialectintheworldthatcannotconveycomplexideas.Heisnotarguingasmanydothatwecannolongerthinkstraightbecausewedonottalkproper. RussianshaveadeeplovefortheirownlanguageandcarrylargechunksofmemorizedpoetryintheirheadswhileItalianpoliticianstendtoelaboratespeechthatwouldseemold-fashionedtomostEnglish-speakers.Mr.McWhorteracknowledgesthatformallanguageisnotstrictlynecessaryandproposesnoradicaleducationreforms--heisreallygrievingoverthelossofsomethingbeautifulmorethanuseful.WenowtakeourEnglishonpaperplatesinsteadofchina.Ashameperhapsbutprobablyaninevitableone. Accordingtothelastparagraphpaperplatesistochinaas
Directions: Youarepromotingthesaleoffaxmachineforacorporation.Writeasaleslettertoabusinessofficemanagertodescribe: 1itsadvantagesovermailsande-mail 2serviceandguaranteeand 3theeasiestwayofpurchase. Youshouldwriteabout100wordsonANSWERSHEET2.Donotsignyournameattheendoftheletter.UseLiMinginstead.Youdonotneedtowritetheaddress.10points
AmericansnolongerexpectpublicfigureswhetherinspeechorinwritingtocommandtheEnglishlanguagewithskillandgift.Nordotheyaspiretosuchcommandthemselves.InhislatestbookDoingOurOwnThing:TheDegradationofLanguageandMusicandWhyWeShouldLikeCareJohnMcWhorteralinguistandcontroversialistofmixedliberalandconservativeviewsseesthetriumphof1960scounter-cultureasresponsibleforthedeclineofformalEnglish. Blamingthepermissive1960sisnothingnewbutthisisnotyetanothercriticismagainstthedeclineineducation.Mr.McWhorter’’sacademicspecialityislanguagehistoryandchangeandheseesthegradualdisappearanceofwhomforexampletobenaturalandnomoreregrettablethanthelossofthecase-endingsofOldEnglish. Butthecultoftheauthenticandthepersonaldoingourownthinghasspeltthedeathofformalspeechwritingpoetryandmusic.Whileeventhemodestlyeducatedsoughtanelevatedtonewhentheyputpentopaperbeforethe1960seventhemostwellregardedwritingsincethenhassoughttocapturespokenEnglishonthepage.Equallyinpoetrythehighlypersonalperformativegenreistheonlyformthatcouldclaimrealliveliness.InbothoralandwrittenEnglishtalkingstriumphingoverspeakingspontaneityovercraft. IllustratedwithanentertainingarrayofexamplesfrombothhighandlowculturethetrendthatMr.McWhorterdocumentsisunmistakable.Butitislesscleartotakethequestionofhissubtitlewhyweshouldlikecare.Asalinguistheacknowledgesthatallvarietiesofhumanlanguageincludingnon-standardoneslikeBlackEnglishcanbepowerfullyexpressive--thereexistsnolanguageordialectintheworldthatcannotconveycomplexideas.Heisnotarguingasmanydothatwecannolongerthinkstraightbecausewedonottalkproper. RussianshaveadeeplovefortheirownlanguageandcarrylargechunksofmemorizedpoetryintheirheadswhileItalianpoliticianstendtoelaboratespeechthatwouldseemold-fashionedtomostEnglish-speakers.Mr.McWhorteracknowledgesthatformallanguageisnotstrictlynecessaryandproposesnoradicaleducationreforms--heisreallygrievingoverthelossofsomethingbeautifulmorethanuseful.WenowtakeourEnglishonpaperplatesinsteadofchina.Ashameperhapsbutprobablyaninevitableone. TowhichofthefollowingstatementswouldMcWhortermostlikelyagree
Comparisonsweredrawnbetweenthedevelopmentoftelevisioninthe20thcenturyandthediffusionofprintinginthe15thand16thcenturies.Yetmuchhadhappened________Aswasdiscussedbeforeitwasnot______the19thcenturythatthenewspaperbecamethedominantpre-electronic______followinginthewakeofthepamphletandthebookandinthe________oftheperiodical.Itwasduringthesametimethatthecommunicationsrevolution________upbeginningwithtransporttherailwayandleading________throughthetelegraphthetelephoneradioandmotionpictures________the20th-centuryworldofthemotorcarandtheairplane.Noteveryoneseesthatprocessin________Itisimportanttodoso. Itisgenerallyrecognized________thattheintroductionofthecomputerintheearly20thcentury________bytheinventionoftheintegratedcircuitduringthe1960sradicallychangedtheprocess________itsimpactonthemediawasnotimmediately________Astimewentbycomputersbecamesmallerandmorepowerfulandtheybecamepersonaltooaswellas________withdisplaybecomingsharperandstorage________increasing.Theywerethoughtoflikepeople________generationswiththedistancebetweengenerationsmuch________. Itwaswithinthecomputeragethattheterminformationsocietybegantobewidelyusedtodescribethe________withinwhichwenowlive.Thecommunicationsrevolutionhas________bothworkandleisureandhowwethinkandfeelbothaboutplaceandtimebuttherehavebeen________viewsaboutitseconomicpoliticalsocialandculturalimplications.Benefitshavebeenweighed________harmfuloutcomes.Andgeneralizationshaveproveddifficult.
AmericansnolongerexpectpublicfigureswhetherinspeechorinwritingtocommandtheEnglishlanguagewithskillandgift.Nordotheyaspiretosuchcommandthemselves.InhislatestbookDoingOurOwnThing:TheDegradationofLanguageandMusicandWhyWeShouldLikeCareJohnMcWhorteralinguistandcontroversialistofmixedliberalandconservativeviewsseesthetriumphof1960scounter-cultureasresponsibleforthedeclineofformalEnglish. Blamingthepermissive1960sisnothingnewbutthisisnotyetanothercriticismagainstthedeclineineducation.Mr.McWhorter’’sacademicspecialityislanguagehistoryandchangeandheseesthegradualdisappearanceofwhomforexampletobenaturalandnomoreregrettablethanthelossofthecase-endingsofOldEnglish. Butthecultoftheauthenticandthepersonaldoingourownthinghasspeltthedeathofformalspeechwritingpoetryandmusic.Whileeventhemodestlyeducatedsoughtanelevatedtonewhentheyputpentopaperbeforethe1960seventhemostwellregardedwritingsincethenhassoughttocapturespokenEnglishonthepage.Equallyinpoetrythehighlypersonalperformativegenreistheonlyformthatcouldclaimrealliveliness.InbothoralandwrittenEnglishtalkingstriumphingoverspeakingspontaneityovercraft. IllustratedwithanentertainingarrayofexamplesfrombothhighandlowculturethetrendthatMr.McWhorterdocumentsisunmistakable.Butitislesscleartotakethequestionofhissubtitlewhyweshouldlikecare.Asalinguistheacknowledgesthatallvarietiesofhumanlanguageincludingnon-standardoneslikeBlackEnglishcanbepowerfullyexpressive--thereexistsnolanguageordialectintheworldthatcannotconveycomplexideas.Heisnotarguingasmanydothatwecannolongerthinkstraightbecausewedonottalkproper. RussianshaveadeeplovefortheirownlanguageandcarrylargechunksofmemorizedpoetryintheirheadswhileItalianpoliticianstendtoelaboratespeechthatwouldseemold-fashionedtomostEnglish-speakers.Mr.McWhorteracknowledgesthatformallanguageisnotstrictlynecessaryandproposesnoradicaleducationreforms--heisreallygrievingoverthelossofsomethingbeautifulmorethanuseful.WenowtakeourEnglishonpaperplatesinsteadofchina.Ashameperhapsbutprobablyaninevitableone. AccordingtoMcWhorterthedeclineofformalEnglish
Ofallthecomponentsofagoodnight’’ssleepdreamsseemtobeleastwithinourcontrol.Indreamsawindowopensintoaworldwherelogicissuspendedanddeadpeoplespeak.AcenturyagoFreudformulatedhisrevolutionarytheorythatdreamswerethedisguisedshadowsofourunconsciousdesiresandfears;bythelate1970sneurologistshadswitchedtothinkingofthemasjustmentalnoise―therandombyproductsoftheneural-repairworkthatgoesonduringsleep.Nowresearcherssuspectthatdreamsarepartofthemind’’semotionalthermostatregulatingmoodswhilethebrainisoff-line.Andoneleadingauthoritysaysthattheseintenselypowerfulmentaleventscanbenotonlyharnessedbutactuallybroughtunderconsciouscontroltohelpussleepandfeelbetter.It’’syourdreamsaysRosalindCartwrightchairofpsychologyatChicago’’sMedicalCenter.Ifyoudon’’tlikeitchangeit. Evidencefrombrainimagingsupportsthisview.ThebrainisasactiveduringREMrapideyemovementsleep―whenmostvividdreamsoccur―asitiswhenfullyawakesaysDr.EricNofzingerattheUniversityofPittsburgh.Butnotallpartsofthebrainareequallyinvolved;thelimbicsystemtheemotionalbrainisespeciallyactivewhiletheprefrontalcortexthecenterofintellectandreasoningisrelativelyquiet.WewakeupfromdreamshappyordepressedandthosefeelingscanstaywithusalldaysaysStanfordsleepresearcherDr.WilliamDement. ThelinkbetweendreamsandemotionsshowsupamongthepatientsinCartwright’’sclinic.Mostpeopleseemtohavemorebaddreamsearlyinthenightprogressingtowardhappieronesbeforeawakeningsuggestingthattheyareworkingthroughnegativefeelingsgeneratedduringtheday.Becauseourconsciousmindisoccupiedwithdailylifewedon’’talwaysthinkabouttheemotionalsignificanceoftheday’’sevents―untilitappearswebegintodream. Andthisprocessneednotbelefttotheunconscious.Cartwrightbelievesonecanexerciseconsciouscontroloverrecurringbaddreams.Assoonasyouawakenidentifywhatisupsettingaboutthedream.Visualizehowyouwouldlikeittoendinstead;thenexttimeitoccurstrytowakeupjustenoughtocontrolitscourse.Withmuchpracticepeoplecanlearntoliterallydoitintheirsleep. Attheendofthedaythere’’sprobablylittlereasontopayattentiontoourdreamsatallunlesstheykeepusfromsleepingorwewakeupinapanicCartwrightsays.Terrorismeconomicuncertaintiesandgeneralfeelingsofinsecurityhaveincreasedpeople’’sanxiety.Thosesufferingfrompersistentnightmaresshouldseekhelpfromatherapist.Fortherestofusthebrainhasitswaysofworkingthroughbadfeelings.Sleeporratherdream―onitandyou’’llfeelbetterinthemorning. Byreferringtothelimbicsystemtheauthorintendstoshow
Ofallthecomponentsofagoodnight’’ssleepdreamsseemtobeleastwithinourcontrol.Indreamsawindowopensintoaworldwherelogicissuspendedanddeadpeoplespeak.AcenturyagoFreudformulatedhisrevolutionarytheorythatdreamswerethedisguisedshadowsofourunconsciousdesiresandfears;bythelate1970sneurologistshadswitchedtothinkingofthemasjustmentalnoise―therandombyproductsoftheneural-repairworkthatgoesonduringsleep.Nowresearcherssuspectthatdreamsarepartofthemind’’semotionalthermostatregulatingmoodswhilethebrainisoff-line.Andoneleadingauthoritysaysthattheseintenselypowerfulmentaleventscanbenotonlyharnessedbutactuallybroughtunderconsciouscontroltohelpussleepandfeelbetter.It’’syourdreamsaysRosalindCartwrightchairofpsychologyatChicago’’sMedicalCenter.Ifyoudon’’tlikeitchangeit. Evidencefrombrainimagingsupportsthisview.ThebrainisasactiveduringREMrapideyemovementsleep―whenmostvividdreamsoccur―asitiswhenfullyawakesaysDr.EricNofzingerattheUniversityofPittsburgh.Butnotallpartsofthebrainareequallyinvolved;thelimbicsystemtheemotionalbrainisespeciallyactivewhiletheprefrontalcortexthecenterofintellectandreasoningisrelativelyquiet.WewakeupfromdreamshappyordepressedandthosefeelingscanstaywithusalldaysaysStanfordsleepresearcherDr.WilliamDement. ThelinkbetweendreamsandemotionsshowsupamongthepatientsinCartwright’’sclinic.Mostpeopleseemtohavemorebaddreamsearlyinthenightprogressingtowardhappieronesbeforeawakeningsuggestingthattheyareworkingthroughnegativefeelingsgeneratedduringtheday.Becauseourconsciousmindisoccupiedwithdailylifewedon’’talwaysthinkabouttheemotionalsignificanceoftheday’’sevents―untilitappearswebegintodream. Andthisprocessneednotbelefttotheunconscious.Cartwrightbelievesonecanexerciseconsciouscontroloverrecurringbaddreams.Assoonasyouawakenidentifywhatisupsettingaboutthedream.Visualizehowyouwouldlikeittoendinstead;thenexttimeitoccurstrytowakeupjustenoughtocontrolitscourse.Withmuchpracticepeoplecanlearntoliterallydoitintheirsleep. Attheendofthedaythere’’sprobablylittlereasontopayattentiontoourdreamsatallunlesstheykeepusfromsleepingorwewakeupinapanicCartwrightsays.Terrorismeconomicuncertaintiesandgeneralfeelingsofinsecurityhaveincreasedpeople’’sanxiety.Thosesufferingfrompersistentnightmaresshouldseekhelpfromatherapist.Fortherestofusthebrainhasitswaysofworkingthroughbadfeelings.Sleeporratherdream―onitandyou’’llfeelbetterinthemorning. Cartwrightseemstosuggestthat
根据原文哪条可与小承气汤
WhenaScottishresearchteamstartledtheworldbyrevealing3monthsagothatithadclonedanadultsheepPresidentClintonmovedswiftly.Declaringthathewasopposedtousingthisunusualanimalhusbandrytechniquetoclonehumansheorderedthatfederalfundsnotbeusedforsuchanexperimentalthoughnoonehadproposedtodoso--andaskedanindependentpanelofexpertschairedbyPrincetonPresidentHaroldShapirotoreportbacktotheWhiteHousein90dayswithrecommendationsforanationalpolicyonhumancloning.Thatgroup--theNationalBioethicsAdvisoryCommissionNBAC--hasbeenworkingfeverishlytoputitswisdomonpaperandatameetingon17Maymembersagreedonanear-finaldraftoftheirrecommendations. NBACwillaskthatClinton’’s90-daybanonfederalfundsforhumancloningbeextendedindefinitelyandpossiblythatitbemadelaw.ButNBACmembersareplanningtowordtherecommendationnarrowlytoavoidnewrestrictionsonresearchthatinvolvesthecloningofhumanDNAorcells--routineinmolecularbiology.Thepanelhasnotyetreachedagreementonacrucialquestionhoweverwhethertorecommendlegislationthatwouldmakeitacrimeforprivatefundingtobeusedforhumancloning. Inadraftprefacetotherecommendationsdiscussedatthe17MaymeetingShapirosuggestedthatthepanelhadfoundabroadconsensusthatitwouldbemorallyunacceptabletoattempttocreateahumanchildbyadultnuclearcloning.Shapiroexplainedduringthemeetingthatthemoraldoubtstemsmainlyfromfearsabouttherisktothehealthofthechild.Thepaneltheninformallyacceptedseveralgeneralconclusionsalthoughsomedetailshavenotbeensettled. NBACplanstocallforacontinuedbanonfederalgovernmentfundingforanyattempttoclonebodycellnucleitocreateachild.Becausecurrentfederallawalreadyforbidstheuseoffederalfundstocreateembryostheearlieststageofhumanoffspringbeforbirthforresearchortobeforknowinglyendangeranembryo’’slifeNBACwillremainsilentonembryoresearch. NBACmembersalsoindicatedthattheywillappealtoprivatelyfundedresearchersandclinicsnottotrytoclonehumansbybodycellnucleartransfer.Buttheyweredividedonwhethertogofurtherbycallingforafederallawthatwouldimposeacompletebanonhumancloning.Shapiroandmostmembersfavoredanappealforsuchlegislationbutinaphoneinterviewhesaidthisissuewasstillupintheair. Wecanlearnfromthefirstparagraphthat____________.
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