- 閱讀理解A
題干：Ofallthecomponentsofagoodnight'ssleep，dreamsseemtobeleastwithinourcontrol.Indreams,awindowopensintoaworldwherelogicissuspendedanddeadpeoplespeak.Acenturyago，F(xiàn)reudformulatedhisrevolutionarytheorythatdreamswerethedisguisedshadowsofourunconsciousdesiresandfears；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.EricNofz-ingerattheUniversityofPittsburgh.Butnotallpartsofthebrainareequallyinvolved,thelimbicsystem(the“emotionalbrain")isespeciallyactive,whiletheprefrontalcortex(thecenterofintellectandreasoning)isrelativelyquiet.“Wewakeupfromdreamshappyordepressed,andthosefeelingscanstaywithusallday，”saysStanfordsleepresearcherDr.WilliamDement.ThelinkbetweendreamsandemotionsshowsupamongthepatientsinCartwright'sclinic.Mostpeopleseemtohavemorebaddreamsearlyinthenight,progressingtowardhappieronesbeforea-wakening,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’11feelbetterinthemorning.
題目：By referring to the limbic system, the author intends to show_____. - A 、its function in our dreams
- B 、the mechanism of REM sleep
- C 、the relation of dreams to emotions
- D 、its difference from the prefrontal cortex
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參考答案【正確答案：C】
推理題。根據(jù)關(guān)鍵詞limbic system定位到第二段第三句。該句以轉(zhuǎn)折連詞but開始，因此需 聯(lián)系上文來理解這句活的含義。結(jié)合上文可知，大腦在快速動眼睡眠（即做夢）中和完全清 醒時一樣活躍, 但并非大腦的所有部分都一樣活躍, 腦邊緣系統(tǒng)（情緒大腦）異?；钴S，而前 額皮層（思維和推理的中心地帶）則相對平靜。下文則引用專家的話進行說明，即“我們從夢 中醒來，或者高興或者沮喪，而且這些情緒會伴隨我們一整天”。關(guān)鍵詞emotional, happy Repressed 等都在暗示人的情緒?？梢? 該段提到腦邊緣系統(tǒng)是為了從大腦結(jié)構(gòu)的角度來說明 夢和人的情緒之間的關(guān)系。因此C選項正確。
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