英语六级阅读练习：保持大脑年轻化
<p> <span word="Move">Move</span> <span word="It">It</span></p><p> <span word="Quick">Quick</span><span word="whats">whats</span> <span word="the">the</span> <span word="No">No</span>. 1 <span word="thing">thing</span> <span word="you">you</span> <span word="can">can</span> <span word="do">do</span> <span word="for">for</span> <span word="your">your</span> <span word="brains">brains</span> <span word="health">health</span>? <span word="Differential">Differential</span> <span word="calculus">calculus</span>, <span word="you">you</span> <span word="say">say</span>? <span word="Chess">Chess</span>? <span word="Chaos">Chaos</span> <span word="theory">theory</span>? <span word="Nope">Nope</span>, <span word="the">the</span> <span word="best">best</span> <span word="brain">brain</span> <span word="sharpener">sharpener</span> <span word="may">may</span> <span word="be">be</span><span word="sneakers">sneakers</span>? <span word="Yup">Yup</span>. <span word="Once">Once</span> <span word="theyre">theyre</span> <span word="on">on</span> <span word="your">your</span> <span word="feet">feet</span>, <span word="you">you</span> <span word="can">can</span> <span word="pump">pump</span> <span word="up">up</span> <span word="your">your</span> <span word="heart">heart</span> <span word="rate">rate</span>. <span word="The">The</span> <span word="best">best</span> <span word="advice">advice</span> <span word="I">I</span> <span word="can">can</span> <span word="give">give</span> <span word="to">to</span> <span word="keep">keep</span> <span word="your">your</span> <span word="brain">brain</span> <span word="healthy">healthy</span> <span word="and">and</span> <span word="young">young</span> <span word="is">is</span> <span word="aerobic">aerobic</span> <span word="exercise">exercise</span>, <span word="says">says</span> <span word="Donald">Donald</span> <span word="Stuss">Stuss</span>, <span word="PhD">PhD</span>, <span word="a">a</span> <span word="neuropsychologist">neuropsychologist</span> <span word="and">and</span> <span word="director">director</span> <span word="of">of</span> <span word="the">the</span> <span word="Rotman">Rotman</span> <span word="Research">Research</span> <span word="Institute">Institute</span> <span word="at">at</span> <span word="Baycrest">Baycrest</span> <span word="Centre">Centre</span> <span word="for">for</span> <span word="Geriatric">Geriatric</span> <span word="Care">Care</span> <span word="in">in</span> <span word="Toronto">Toronto</span>.</p><p> <span word="differential">differential</span> <span word="calculus">calculus</span> 微积分;微分学</p><p> <span word="chaos">chaos</span> <span word="theory">theory</span> 混沌理论</p><p> <span word="pump">pump</span> <span word="up">up</span> 给打气;加速</p><p> <span word="aerobic">aerobic</span> <span word="exercise">exercise</span> 有氧运动</p><p> <span word="Mark">Mark</span> <span word="McDaniel">McDaniel</span>, <span word="PhD">PhD</span>, <span word="professor">professor</span> <span word="of">of</span> <span word="psychology">psychology</span> <span word="at">at</span> <span word="Washington">Washington</span> <span word="University">University</span> <span word="in">in</span> <span word="St">St</span>. <span word="Louis">Louis</span>, <span word="agrees">agrees</span>, <span word="but">but</span> <span word="adds">adds</span>, <span word="I">I</span> <span word="would">would</span> <span word="suggest">suggest</span> <span word="a">a</span> <span word="combined">combined</span> <span word="program">program</span> <span word="of">of</span> <span word="aerobics">aerobics</span> <span word="and">and</span> <span word="weight">weight</span> <span word="training">training</span>. <span word="Studies">Studies</span> <span word="show">show</span> <span word="the">the</span> <span word="best">best</span> <span word="outcomes">outcomes</span> <span word="for">for</span> <span word="those">those</span> <span word="engaged">engaged</span> <span word="in">in</span> <span word="both">both</span> <span word="types">types</span> <span word="of">of</span> <span word="exercise">exercise</span>.</p><p> <span word="As">As</span> <span word="we">we</span> <span word="age">age</span>, <span word="our">our</span> <span word="brain">brain</span> <span word="cells">cells</span>, <span word="called">called</span> <span word="neurons">neurons</span>, <span word="lose">lose</span> <span word="the">the</span> <span word="tree">tree</span>-<span word="branch">branch</span>-<span word="like">like</span> <span word="connections">connections</span> <span word="between">between</span> <span word="them">them</span>. <span word="These">These</span> <span word="connections">connections</span>, <span word="or">or</span> <span word="synapses">synapses</span>, <span word="are">are</span> <span word="essential">essential</span> <span word="to">to</span> <span word="thought">thought</span>. <span word="Quite">Quite</span> <span word="literally">literally</span>, <span word="over">over</span> <span word="time">time</span>, <span word="our">our</span> <span word="brains">brains</span> <span word="lose">lose</span> <span word="their">their</span> <span word="heft">heft</span>. <span word="Perhaps">Perhaps</span> <span word="the">the</span> <span word="most">most</span> <span word="striking">striking</span> <span word="brain">brain</span> <span word="research">research</span> <span word="today">today</span> <span word="is">is</span> <span word="the">the</span> <span word="strong">strong</span> <span word="evidence">evidence</span> <span word="we">we</span> <span word="now">now</span> <span word="have">have</span> <span word="that">that</span> <span word="exercise">exercise</span> <span word="may">may</span> <span word="forestall">forestall</span> <span word="some">some</span> <span word="kinds">kinds</span> <span word="of">of</span> <span word="mental">mental</span> <span word="decline">decline</span>, <span word="notes">notes</span> <span word="McDaniel">McDaniel</span>. <span word="It">It</span> <span word="may">may</span> <span word="even">even</span> <span word="restore">restore</span> <span word="memory">memory</span>. <span word="Myriad">Myriad</span> <span word="animal">animal</span> <span word="studies">studies</span> <span word="have">have</span> <span word="shown">shown</span> <span word="that">that</span>, <span word="among">among</span> <span word="other">other</span> <span word="brain">brain</span> <span word="benefits">benefits</span>, <span word="aerobic">aerobic</span> <span word="exercise">exercise</span> <span word="increases">increases</span> <span word="capillary">capillary</span> <span word="development">development</span> <span word="in">in</span> <span word="the">the</span> <span word="brain">brain</span>, <span word="meaning">meaning</span> <span word="more">more</span> <span word="blood">blood</span> <span word="supply">supply</span>, <span word="more">more</span> <span word="nutrients">nutrients</span> <span word="and">and</span><span word="a">a</span> <span word="big">big</span> <span word="requirement">requirement</span> <span word="for">for</span> <span word="brain">brain</span> <span word="health">health</span><span word="more">more</span> <span word="oxygen">oxygen</span>.</p>
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