单选题 PassageOne Questions31to35arebasedonthefollowingpassage. Ofallthecomponentsofagoodnight‘ssleep,dreamsseemtobeleastwithinourcontrol.Indreams,awindowopensintoaworldwherelogicissuspendedanddeadpeoplespeak.Acenturyago,Freudformulatedhisrevolutionarytheorythatdreamswerethedisguisedshadowsofourunconsciousdesiresandfears;bythelate1970s,neurologistshadswitchedtothinkingofthemasjust―mentalnoise‖–therandombyproductsoftheneural-repairworkthatgoesonduringsleep.Nowresearcherssuspectthatdreamsarepartofthemind‘semotionalthermostat,regulatingmoodswhilethebrainis―off-line‖.Andoneleadingauthoritysaysthattheseintenselypowerfulmentaleventscanbenotonlyharnessedbutactuallybroughtunderconsciouscontrol,tohelpussleepandfeelbetter.―It‘syourdream,‖saysRosalindCartwright,chairofpsychologyatChicago‘sMedicalCenter.―Ifyoudon‘tlikeit,changeit.‖Evidencefrombrainimagingsupportsthisview.ThebrainisasactiveduringREM(rapideyemovement)sleep-whenmostvividdreamsoccur-asitiswhenfullyawake,saysDr.EricNofzingerattheUniversityofPittsburgh.Butnotallpartsofthebrainareequallyinvolved;thelimbicsystem(the―emotionalbrain‖)isespeciallyactive,whiletheprefrontalcortex(thecenterofintellectandreasoning)isrelativelyquiet.―Wewakeupfromdreamshappyordepressed,andthosefeelingscanstaywithusallday,‖saysStanfordsleepresearcherDr.WilliamDement. ThelinkbetweendreamsandemotionsshowupamongthepatientsinCartwright‘sclinic.Mostpeopleseemtohavemorebaddreamsearlyinthenight,progressingtowardhappieronesbeforeawakening,suggestingthattheyareworkingthroughnegativefeelingsgeneratedduringtheday.Becauseourconsciousmindisoccupiedwithdailylifewedon‘talwaysthinkabouttheemotionalsignificanceoftheday‘sevents–until,itappears,webegintodream. Andthisprocessneednotbelefttotheunconscious.Cartwrightbelievesonecanexerciseconsciouscontroloverrecurringbaddreams.Assoonasyouawaken,identifywhatisupsettingaboutthedream.Visualizehowyouwouldlikeittoendinstead;thenexttimeitoccurs,trytowakeupjustenoughtocontrolitscourse.Withmuchpracticepeoplecanlearnto,literally,doitintheirsleep. Attheendoftheday,there‘sprobablylittlereasontopayattentiontoourdreamsatallunlesstheykeepusfromsleepingor―wewakeupinapanic,‖Cartwrightsays.Terrorism,economicuncertaintiesandgeneralfeelingsofinsecurityhaveincreasedpeople‘sanxiety.Thosesufferingfrompersistentnightmaresshouldseekhelpfromatherapist.Fortherestofus,thebrainhasitswaysofworkingthroughbadfeelings.Sleep-orratherdream-onitandyou‘llfeelinthemorning.
单选题 Researchershavecometobelievethatdreams_____.
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单选题 Byreferringtothelimbicsystem,theauthorintendstoshow_____.
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单选题 Thenegativefeelingsgeneratedduringthedaytendto_____.
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单选题 Cartwrightseemstosuggestthat_____.
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单选题 WhatadvicemightCartwrightgivetothosewhosometimeshavebaddreams?
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