考研英语历年真题来源报刊阅读100篇之39
<p> <span word="Can">Can</span> <span word="milk">milk</span> <span word="make">make</span> <span word="you">you</span> <span word="happy">happy</span>? <span word="Can">Can</span> <span word="fish">fish</span> <span word="make">make</span> <span word="you">you</span> <span word="smart">smart</span>? <span word="Imagine">Imagine</span> <span word="yourself">yourself</span> <span word="lying">lying</span> <span word="in">in</span> <span word="bed">bed</span>, <span word="your">your</span> <span word="mind">mind</span> <span word="in">in</span> <span word="turmoil">turmoil</span>. <span word="You">You</span> <span word="toss">toss</span> <span word="and">and</span> <span word="turn">turn</span>, <span word="but">but</span> <span word="sleep">sleep</span> <span word="won">won</span> <span word="t">t</span> <span word="come">come</span>. <span word="Maybe">Maybe</span> <span word="a">a</span> <span word="bedtime">bedtime</span> <span word="snack">snack</span> <span word="would">would</span> <span word="help">help</span>. <span word="What">What</span> <span word="should">should</span> <span word="you">you</span> <span word="choose">choose</span>? <span word="If">If</span> <span word="you">you</span> <span word="think">think</span> <span word="first">first</span> <span word="of">of</span> <span word="toaster">toaster</span> <span word="waffles">waffles</span> <span word="or">or</span> <span word="popcorn">popcorn</span>, <span word="some">some</span> <span word="experts">experts</span> <span word="would">would</span> <span word="say">say</span> <span word="you">you</span> <span word="re">re</span> <span word="on">on</span> <span word="the">the</span> <span word="right">right</span> <span word="track">track</span>. <span word="Foods">Foods</span> <span word="high">high</span> <span word="in">in</span> <span word="complex">complex</span> <span word="carbohydrates">carbohydrates</span>-<span word="such">such</span> <span word="as">as</span> <span word="cereals">cereals</span>, <span word="potatoes">potatoes</span>, <span word="pasta">pasta</span>, <span word="crackers">crackers</span>, <span word="or">or</span> <span word="rice">rice</span> <span word="cakes">cakes</span>-<span word="make">make</span> <span word="many">many</span> <span word="people">people</span> <span word="relaxed">relaxed</span> <span word="and">and</span> <span word="drowsy">drowsy</span>. <span word="Missed">Missed</span> <span word="that">that</span> <span word="one">one</span>? <span word="Try">Try</span> <span word="again">again</span>. <span word="Suppose">Suppose</span> <span word="the">the</span> <span word="weather">weather</span> <span word="s">s</span> <span word="rotten">rotten</span>, <span word="you">you</span> <span word="forgot">forgot</span> <span word="your">your</span> <span word="homework">homework</span>, <span word="and">and</span> <span word="your">your</span> <span word="best">best</span> <span word="friend">friend</span> <span word="s">s</span> <span word="mad">mad</span> <span word="at">at</span> <span word="you">you</span>. <span word="What">What</span> <span word="s">s</span> <span word="good">good</span> <span word="medicine">medicine</span> <span word="when">when</span> <span word="you">you</span> <span word="re">re</span> <span word="feeling">feeling</span> <span word="low">low</span>? <span word="A">A</span> <span word="sugary">sugary</span> <span word="cola">cola</span> <span word="or">or</span> <span word="candy">candy</span> <span word="may">may</span> <span word="give">give</span> <span word="you">you</span> <span word="a">a</span> <span word="quick">quick</span> <span word="lift">lift</span>, <span word="but">but</span> <span word="you">you</span> <span word="ll">ll</span> <span word="crash">crash</span> <span word="just">just</span> <span word="as">as</span> <span word="quickly">quickly</span>. <span word="Better">Better</span> <span word="choices">choices</span> <span word="may">may</span> <span word="be">be</span> <span word="Brazil">Brazil</span> <span word="nuts">nuts</span> , <span word="skim">skim</span> <span word="milk">milk</span> , <span word="or">or</span> <span word="a">a</span> <span word="spinach">spinach</span> <span word="salad">salad</span> . <span word="In">In</span> <span word="research">research</span> <span word="studies">studies</span>, <span word="all">all</span> <span word="three">three</span> <span word="of">of</span> <span word="those">those</span> <span word="nutrients">nutrients</span> <span word="have">have</span> <span word="been">been</span> <span word="shown">shown</span> <span word="to">to</span> <span word="lift">lift</span> <span word="spirits">spirits</span> <span word="and">and</span> <span word="battle">battle</span> <span word="the">the</span> <span word="blues">blues</span>. <span word="Try">Try</span> <span word="one">one</span> <span word="more">more</span>. <span word="You">You</span> <span word="have">have</span> <span word="a">a</span> <span word="math">math</span> <span word="test">test</span> <span word="coming">coming</span> <span word="up">up</span> <span word="in">in</span> <span word="the">the</span> <span word="afternoon">afternoon</span>. <span word="You">You</span> <span word="want">want</span> <span word="to">to</span> <span word="be">be</span> <span word="sharp">sharp</span>, <span word="but">but</span> <span word="you">you</span> <span word="usually">usually</span> <span word="feel">feel</span> <span word="sleepy">sleepy</span> <span word="after">after</span> <span word="lunch">lunch</span>. <span word="Is">Is</span> <span word="your">your</span> <span word="best">best</span> <span word="choice">choice</span> <span word="an">an</span> <span word="energy">energy</span> <span word="fix">fix</span> <span word="of">of</span> <span word="fries">fries</span> <span word="and">and</span> <span word="a">a</span> <span word="shake">shake</span> <span word="or">or</span> <span word="a">a</span> <span word="broiled">broiled</span> <span word="chicken">chicken</span> <span word="breast">breast</span> <span word="and">and</span> <span word="low">low</span>-<span word="fat">fat</span> <span word="yogurt">yogurt</span>? <span word="If">If</span> <span word="you">you</span> <span word="pick">pick</span> <span word="the">the</span> <span word="high">high</span>-<span word="fat">fat</span> <span word="fries">fries</span> <span word="and">and</span> <span word="shake">shake</span>, <span word="you">you</span> <span word="may">may</span> <span word="feel">feel</span> <span word="sluggish">sluggish</span> <span word="and">and</span> <span word="blow">blow</span> <span word="that">that</span> <span word="test">test</span>. <span word="The">The</span> <span word="protein">protein</span>-<span word="rich">rich</span> <span word="chicken">chicken</span> <span word="and">and</span> <span word="yogurt">yogurt</span> <span word="are">are</span> <span word="better">better</span> <span word="choices">choices</span>. <span word="Protein">Protein</span> <span word="foods">foods</span> <span word="energize">energize</span>, <span word="some">some</span> <span word="experts">experts</span> <span word="say">say</span>. <span word="How">How</span> <span word="does">does</span> <span word="food">food</span> <span word="affect">affect</span> <span word="mood">mood</span> <span word="and">and</span> <span word="mind">mind</span>? <span word="The">The</span> <span word="answer">answer</span> <span word="may">may</span> <span word="lie">lie</span> <span word="in">in</span> <span word="the">the</span> <span word="chemistry">chemistry</span> <span word="of">of</span> <span word="the">the</span> <span word="brain">brain</span> <span word="and">and</span> <span word="nervous">nervous</span> <span word="system">system</span>. <span word="Molecules">Molecules</span> <span word="called">called</span> <span word="neurotransmitters">neurotransmitters</span> <span word="are">are</span> <span word="chemical">chemical</span> <span word="messengers">messengers</span>. <span word="They">They</span> <span word="carry">carry</span> <span word="a">a</span> <span word="nerve">nerve</span> <span word="impulse">impulse</span> <span word="across">across</span> <span word="the">the</span> <span word="gap">gap</span> <span word="between">between</span> <span word="nerve">nerve</span> <span word="cells">cells</span>. <span word="The">The</span> <span word="release">release</span> <span word="of">of</span> <span word="neurotransmitter">neurotransmitter</span> <span word="molecules">molecules</span> <span word="from">from</span> <span word="one">one</span> <span word="neuron">neuron</span> <span word="and">and</span> <span word="their">their</span> <span word="attachment">attachment</span> <span word="to">to</span> <span word="receptor">receptor</span> <span word="sites">sites</span> <span word="on">on</span> <span word="another">another</span> <span word="keep">keep</span> <span word="a">a</span> <span word="nerve">nerve</span> <span word="impulse">impulse</span> <span word="moving">moving</span>. <span word="Nerve">Nerve</span> <span word="impulses">impulses</span> <span word="carry">carry</span> <span word="messages">messages</span> <span word="from">from</span> <span word="the">the</span> <span word="environment">environment</span> <span word="to">to</span> <span word="the">the</span> <span word="brain">brain</span>, <span word="for">for</span> <span word="example">example</span>, <span word="the">the</span> <span word="pain">pain</span> <span word="you">you</span> <span word="feel">feel</span> <span word="when">when</span> <span word="you">you</span> <span word="stub">stub</span> <span word="your">your</span> <span word="toe">toe</span>. <span word="They">They</span> <span word="also">also</span> <span word="carry">carry</span> <span word="messages">messages</span> <span word="in">in</span> <span word="the">the</span> <span word="other">other</span> <span word="direction">direction</span>, <span word="from">from</span> <span word="the">the</span> <span word="brain">brain</span> <span word="to">to</span> <span word="the">the</span> <span word="muscles">muscles</span>. <span word="That">That</span> <span word="s">s</span> <span word="why">why</span> <span word="you">you</span> <span word="back">back</span> <span word="away">away</span> <span word="from">from</span> <span word="the">the</span> <span word="obstacle">obstacle</span> <span word="that">that</span> <span word="initiated">initiated</span> <span word="the">the</span> <span word="pain">pain</span> <span word="signal">signal</span> <span word="and">and</span> <span word="exclaim">exclaim</span>, <span word="Ouch">Ouch</span>! <span word="Many">Many</span> <span word="neurotransmitters">neurotransmitters</span> <span word="are">are</span> <span word="built">built</span> <span word="from">from</span> <span word="the">the</span> <span word="foods">foods</span> <span word="we">we</span> <span word="eat">eat</span>, <span word="says">says</span> <span word="neuroscientist">neuroscientist</span> <span word="Eric">Eric</span> <span word="Chudler">Chudler</span> <span word="of">of</span> <span word="the">the</span> <span word="University">University</span> <span word="of">of</span> <span word="Washington">Washington</span>. <span word="Too">Too</span> <span word="little">little</span> <span word="or">or</span> <span word="too">too</span> <span word="much">much</span> <span word="of">of</span> <span word="a">a</span> <span word="particular">particular</span> <span word="nutrient">nutrient</span> <span word="in">in</span> <span word="the">the</span> <span word="diet">diet</span> <span word="can">can</span> <span word="affect">affect</span> <span word="their">their</span> <span word="production">production</span>, <span word="Chudler">Chudler</span> <span word="says">says</span>. <span word="For">For</span> <span word="example">example</span>, <span word="tryptophan">tryptophan</span> <span word="from">from</span> <span word="foods">foods</span> <span word="such">such</span> <span word="as">as</span> <span word="yogurt">yogurt</span>, <span word="milk">milk</span>, <span word="bananas">bananas</span>, <span word="and">and</span> <span word="eggs">eggs</span> <span word="is">is</span> <span word="required">required</span> <span word="for">for</span> <span word="the">the</span> <span word="production">production</span> <span word="of">of</span> <span word="the">the</span> <span word="neurotransmitter">neurotransmitter</span> <span word="serotonin">serotonin</span>. <span word="Phenylalanine">Phenylalanine</span> <span word="from">from</span> <span word="beets">beets</span>, <span word="almonds">almonds</span>, <span word="eggs">eggs</span>, <span word="meat">meat</span>, <span word="and">and</span> <span word="grains">grains</span> <span word="goes">goes</span> <span word="into">into</span> <span word="making">making</span> <span word="the">the</span> <span word="neurotransmitter">neurotransmitter</span> <span word="dopamine">dopamine</span>. <span word="Dozens">Dozens</span> <span word="of">of</span> <span word="neurotransmitters">neurotransmitters</span> <span word="are">are</span> <span word="known">known</span>; <span word="hundreds">hundreds</span> <span word="may">may</span> <span word="exist">exist</span>. <span word="Their">Their</span> <span word="effects">effects</span> <span word="depend">depend</span> <span word="on">on</span> <span word="their">their</span> <span word="amounts">amounts</span> <span word="and">and</span> <span word="where">where</span> <span word="they">they</span> <span word="work">work</span> <span word="in">in</span> <span word="the">the</span> <span word="brain">brain</span>. <span word="The">The</span> <span word="neurotransmitter">neurotransmitter</span> <span word="serotonin">serotonin</span>, <span word="for">for</span> <span word="example">example</span>, <span word="is">is</span> <span word="thought">thought</span> <span word="to">to</span> <span word="produce">produce</span> <span word="feelings">feelings</span> <span word="of">of</span> <span word="calmness">calmness</span>, <span word="relaxation">relaxation</span>, <span word="and">and</span> <span word="contentment">contentment</span>. <span word="Drugs">Drugs</span> <span word="that">that</span> <span word="prevent">prevent</span> <span word="its">its</span> <span word="reuptake">reuptake</span> <span word="are">are</span> <span word="prescribed">prescribed</span> <span word="to">to</span> <span word="treat">treat</span> <span word="depression">depression</span>. <span word="In">In</span> <span word="at">at</span> <span word="least">least</span> <span word="some">some</span> <span word="healthy">healthy</span>, <span word="nondepressed">nondepressed</span> <span word="people">people</span>, <span word="carbohydrate">carbohydrate</span> <span word="foods">foods</span> <span word="seem">seem</span> <span word="to">to</span> <span word="enhance">enhance</span> <span word="serotonin">serotonin</span> <span word="production">production</span> <span word="and">and</span> <span word="produce">produce</span> <span word="similar">similar</span> <span word="effects">effects</span>. <span word="It">It</span> <span word="is">is</span> <span word="the">the</span> <span word="balance">balance</span> <span word="between">between</span> <span word="different">different</span> <span word="neurotransmitters">neurotransmitters</span> <span word="that">that</span> <span word="helps">helps</span> <span word="regulate">regulate</span> <span word="mood">mood</span>, <span word="Chudler">Chudler</span> <span word="says">says</span>. <span word="Proper">Proper</span> <span word="nutrition">nutrition</span> <span word="may">may</span> <span word="also">also</span> <span word="enhance">enhance</span> <span word="brainpower">brainpower</span>. <span word="Choline">Choline</span> <span word="is">is</span> <span word="a">a</span> <span word="substance">substance</span> <span word="similar">similar</span> <span word="to">to</span> <span word="the">the</span> <span word="B">B</span> <span word="vitamins">vitamins</span>. <span word="It">It</span> <span word="s">s</span> <span word="found">found</span> <span word="in">in</span> <span word="egg">egg</span> <span word="yolks">yolks</span>, <span word="whole">whole</span> <span word="wheat">wheat</span>, <span word="peanuts">peanuts</span>, <span word="milk">milk</span>, <span word="green">green</span> <span word="peas">peas</span>, <span word="liver">liver</span>, <span word="beans">beans</span>, <span word="seafood">seafood</span>, <span word="and">and</span> <span word="soybeans">soybeans</span>. <span word="The">The</span> <span word="brain">brain</span> <span word="uses">uses</span> <span word="it">it</span> <span word="to">to</span> <span word="make">make</span> <span word="the">the</span> <span word="neurotransmitter">neurotransmitter</span> <span word="acetylcholine">acetylcholine</span>. <span word="To">To</span> <span word="test">test</span> <span word="the">the</span> <span word="effects">effects</span> <span word="of">of</span> <span word="choline">choline</span> <span word="on">on</span> <span word="memory">memory</span> <span word="and">and</span> <span word="learning">learning</span>, <span word="researchers">researchers</span> <span word="at">at</span> <span word="the">the</span> <span word="Massachusetts">Massachusetts</span> <span word="Institute">Institute</span> <span word="of">of</span> <span word="Technology">Technology</span> <span word="gave">gave</span> <span word="memory">memory</span> <span word="tests">tests</span> <span word="to">to</span> <span word="college">college</span> <span word="students">students</span> <span word="before">before</span> <span word="increasing">increasing</span> <span word="the">the</span> <span word="amount">amount</span> <span word="of">of</span> <span word="choline">choline</span> <span word="in">in</span> <span word="their">their</span> <span word="subjects">subjects</span> <span word="diets">diets</span>. <span word="Later">Later</span>, <span word="they">they</span> <span word="retested">retested</span>. <span word="On">On</span> <span word="the">the</span> <span word="average">average</span>, <span word="memories">memories</span> <span word="were">were</span> <span word="better">better</span>, <span word="and">and</span> <span word="the">the</span> <span word="students">students</span> <span word="learned">learned</span> <span word="a">a</span> <span word="list">list</span> <span word="of">of</span> <span word="unrelated">unrelated</span> <span word="words">words</span> <span word="more">more</span> <span word="easily">easily</span>. 考研词汇： <span word="drowsy">drowsy</span> <span word="a">a</span>.昏昏欲睡的, 催眠的, 沉寂的 <span word="skim">skim</span> <span word="n">n</span>.脱脂 <span word="v">v</span>.撇去，去除;浏览，略读 <span word="impulse">impulse</span> <span word="v">v</span>.推动;<span word="n">n</span>.①推动;②冲动，刺激 [真题例句] <span word="As">As</span> <span word="a">a</span> <span word="result">result</span>, <span word="the">the</span> <span word="support">support</span> <span word="for">for</span> <span word="ambition">ambition</span> <span word="as">as</span> <span word="a">a</span> <span word="healthy">healthy</span> <span word="impulse">impulse</span> , <span word="a">a</span> <span word="quality">quality</span> <span word="to">to</span> <span word="be">be</span> <span word="admired">admired</span> <span word="and">and</span> <span word="fixed">fixed</span> <span word="in">in</span> <span word="the">the</span> <span word="mind">mind</span> <span word="of">of</span> <span word="the">the</span> <span word="young">young</span>, <span word="is">is</span> <span word="probably">probably</span> <span word="lower">lower</span> <span word="than">than</span> <span word="it">it</span> <span word="has">has</span> <span word="ever">ever</span> <span word="been">been</span> <span word="in">in</span> <span word="the">the</span> <span word="United">United</span> <span word="States">States</span>. [例句精译] 因此，在美国，作为一种健康的冲动，一种应该令人称羡并扎根于青年人心灵的品质的雄心，它所得到的支持也许比以往任何时期都低。 <span word="obstacle">obstacle</span> <span word="n">n</span>.障碍，妨碍，干扰 [真题例句] <span word="The">The</span> <span word="process">process</span> <span word="is">is</span> <span word="not">not</span> <span word="the">the</span> <span word="road">road</span> <span word="itself">itself</span>, <span word="but">but</span> <span word="rather">rather</span> <span word="the">the</span> <span word="attitudes">attitudes</span> <span word="and">and</span> <span word="feelings">feelings</span> <span word="people">people</span> <span word="have">have</span>, <span word="their">their</span> <span word="caution">caution</span> <span word="or">or</span> <span word="courage">courage</span>, <span word="as">as</span> <span word="they">they</span> <span word="encounter">encounter</span> <span word="new">new</span> <span word="experiences">experiences</span> <span word="and">and</span> <span word="unexpected">unexpected</span> <span word="obstacles">obstacles</span>. [例句精译] 成长过程不是道路本身，而是当遇到新情况或意外困难时所持的态度和情感，是慎重行事还是勇往直前。 <span word="relaxation">relaxation</span> <span word="n">n</span>.放松，松弛，娱乐 [真题例句] <span word="Children">Children</span> <span word="will">will</span> <span word="play">play</span> <span word="with">with</span> <span word="dolls">dolls</span> <span word="equipped">equipped</span> <span word="with">with</span> <span word="personality">personality</span> <span word="chips">chips</span>, <span word="computers">computers</span> <span word="with">with</span> <span word="in">in</span>-<span word="built">built</span> <span word="personalities">personalities</span> <span word="will">will</span> <span word="be">be</span> <span word="regarded">regarded</span> <span word="as">as</span> <span word="workmates">workmates</span> <span word="rather">rather</span> <span word="than">than</span> <span word="tools">tools</span>, <span word="relaxation">relaxation</span> <span word="will">will</span> <span word="be">be</span> <span word="in">in</span> <span word="front">front</span> <span word="of">of</span> <span word="smell">smell</span> <span word="television">television</span>, <span word="and">and</span> <span word="digital">digital</span> <span word="age">age</span> <span word="will">will</span> <span word="have">have</span> <span word="arrived">arrived</span>. [例句精译] 儿童将与装有个性化芯片的玩具娃娃玩耍，具有个性内置的计算机将被视为工作伙伴而不是工具，人们将在气味电视机前休闲，届时数字化时代就来到了。 <span word="enhance">enhance</span> <span word="v">v</span>.提高，增强 [真题例句] 52. <span word="In">In</span> <span word="the">the</span> <span word="passage">passage</span>, <span word="which">which</span> <span word="of">of</span> <span word="the">the</span> <span word="following">following</span> <span word="is">is</span> <span word="NOT">NOT</span> <span word="included">included</span> <span word="in">in</span> <span word="the">the</span> <span word="advantages">advantages</span> <span word="of">of</span> <span word="advertising">advertising</span>? [<span word="C">C</span>] <span word="Enhancing">Enhancing</span> <span word="living">living</span> <span word="standards">standards</span>. [例句精译] 52本文中，广告的优点不包括下列哪项? [<span word="C">C</span>] 提高生活水平。 背景常识介绍： 医学之父 希波克拉底说过： 让食物变成你的药，让药变成你的食物。 作为一个生于公元前五世纪的希腊人，他的智慧远远超越了他所处的时代。如今，我们知道低脂肪而富含全麦、水果和蔬菜的饮食结构能增强我们的免疫力，并能减少癌症、心脏病和中风的发病率。 但是，这些还不完全。新的证据显示食品可能会影响健康人的思考和感觉方式。如果希波克拉底今天还在世的话，他也许会回顾他吃过的最后一顿饭，解释他兴奋的心情。他可能还会改变自己的饮食习惯，使自己变得更幸福或更聪明。 参考译文： 喝牛奶能让你快乐吗?吃鱼能使你变聪明吗? 设想一下你躺在床上，脑子里一片混乱。你辗转反侧，但总也睡不着。也许睡觉时吃点零食会有帮助。你应当吃什么呢?如果你的首选是威化饼或爆米花，那么一些专家就会说你选对了。麦片、土豆、面食、饼干或米糕这些富含复合碳水化合物的食品会使人感到放松和困倦。 你选错了吗?再试一次。假如天气很糟，你忘了做家庭作业，而你的好朋友又对你大发雷霆。在你情绪低落之时，对你来说什么是一剂良药呢?一杯甜可乐或一块糖可能会使你情绪很快高涨，但你的情绪又会很快地进入低潮。更好的选择是吃一些巴西胡桃，脱脂牛奶，或菠菜沙拉。研究表明，上述三种营养素都会使人们情绪高涨，摆脱忧虑。 再试一次吧。下午你有数学测验。你想要精力充沛，可你总是在午饭后感到昏昏欲睡。能使你精神饱满地面对考试的最佳食品是炸薯条和奶昔，还是鸡胸肉和低脂酸奶?如果你选中了高脂肪的炸薯条和奶昔，你就会感到非常懒散，很可能考砸了。高蛋白的鸡肉和酸奶是较好的选择。有些专家说蛋白质食品给人们提供能量。 食物如何影响情绪和思维?答案可能要到大脑和神经系统的化学结构中去找。被称为神经递质的分子是化学信使。它们把神经冲动带到神经细胞之间的空隙中。神经递质分子从一个神经原释放后，附着到另一个接受点，令神经冲动保持运动的状态。 神经冲动能够把周边环境的信息带到大脑中--例如，当你脚趾被绊了一下时，你会感到疼。它们也能从反方向传递信息，比如说从大脑到肌肉。这就是为什么当障碍物产生疼痛的信号时，你就会躲开障碍物，并且喊： 哎哟! 华盛顿大学的神经科学家埃里克?查德勒说： 许多神经递质是靠我们所吃的食物形成的。 查德勒指出过多或过少地通过饮食摄入一种营养素可以影响这些神经递质的形成。例如，来自诸如酸奶、牛奶、香蕉和鸡蛋的色氨酸会产生神经递质的血清素。来自甜菜、杏仁、鸡蛋、肉和谷物中的苯基丙胺酸会形成神经递质的多巴胺。 我们已知的神经递质有几十种，实际存在的可能有几百种。它们产生的效果取决于本身的数量和它们在大脑中工作的位置。例如，神经递质血清素被认为会产生平静、放松和满足的感觉。治疗情绪低落时，大夫就开出一些能够防止它返回的药。至少在一些健康和情绪不低落的人当中，碳水化合物食物似乎能够促进血清素的生成并能产生类似效应。查德勒说： 不同神经递质之间的平衡帮助调节人的情绪。 恰当的营养能提高人的大脑思考能力。胆碱是一种类似于维生素<span word="B">B</span>的物质。它存在于蛋黄、全麦、花生、牛奶、菜豆、肝、蚕豆、海鲜和黄豆中。大脑利用这种物质生成神经递质的乙酰胆碱。为了检测胆碱对记忆和学习的影响，麻省理工学院的研究者们对大学生进行了记忆测验。随后，他们在被试验者的饮食中增加胆碱的量，重新做了实验。从总体上来看，学生的记忆力有所提高，能够更加容易地学会一系列不相关的单词。 </p>
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