英语六级听力练习之残余的光线 Afterglow
<p> <span word="Afterglow">Afterglow</span> 夕照，晚霞</p><p> <span word="Heres">Heres</span> <span word="an">an</span> <span word="experiment">experiment</span> <span word="you">you</span> <span word="can">can</span> <span word="try">try</span>: <span word="look">look</span> <span word="at">at</span> <span word="something">something</span> <span word="bright">bright</span> <span word="relative">relative</span> <span word="to">to</span> <span word="its">its</span> <span word="surroundings">surroundings</span>, <span word="such">such</span> <span word="as">as</span> <span word="a">a</span> <span word="lamp">lamp</span> <span word="or">or</span> <span word="a">a</span> <span word="sunny">sunny</span> <span word="window">window</span>, <span word="for">for</span> <span word="ten">ten</span> <span word="seconds">seconds</span> <span word="without">without</span> <span word="blinking">blinking</span>. <span word="Then">Then</span> <span word="shut">shut</span> <span word="your">your</span> <span word="eyes">eyes</span> <span word="and">and</span> <span word="cover">cover</span> <span word="them">them</span> <span word="over">over</span> <span word="with">with</span> <span word="your">your</span> <span word="hands">hands</span>.</p><p> 你可以尝试这样的试验：不眨眼盯着看相对周围而言光亮的东西十秒钟，比如，一盏灯或洒满阳光的窗户;接着闭上眼睛且双手蒙住。</p><p> <span word="You">You</span> <span word="will">will</span> <span word="find">find</span> <span word="that">that</span> <span word="the">the</span> <span word="lamp">lamp</span> <span word="or">or</span> <span word="window">window</span> <span word="still">still</span> <span word="seem">seem</span> <span word="to">to</span> <span word="be">be</span> <span word="hovering">hovering</span> <span word="in">in</span> <span word="front">front</span> <span word="of">of</span> <span word="you">you</span>, <span word="quite">quite</span> <span word="visible">visible</span> <span word="at">at</span> <span word="first">first</span> <span word="and">and</span> <span word="only">only</span> <span word="gradually">gradually</span> <span word="fading">fading</span> <span word="away">away</span>. <span word="Yet">Yet</span> <span word="your">your</span> <span word="eyes">eyes</span> <span word="are">are</span> <span word="closed">closed</span> <span word="and">and</span> <span word="your">your</span> <span word="hands">hands</span> <span word="are">are</span> <span word="blocking">blocking</span> <span word="them">them</span> <span word="completely">completely</span><span word="so">so</span> <span word="where">where</span> <span word="is">is</span> <span word="the">the</span> <span word="light">light</span> <span word="coming">coming</span> <span word="from">from</span>?</p><p> 你会发现那盏灯或窗户依旧浮现在眼前，最开始清晰得很，又慢慢消失。可是，你不是闭眼了吗?况且双手不是严实地蒙住了吗?那么，光线从何而来?</p><p> <span word="The">The</span> <span word="answer">answer</span> <span word="is">is</span> <span word="that">that</span> <span word="the">the</span> <span word="afterglow">afterglow</span> <span word="light">light</span> <span word="you">you</span> <span word="see">see</span> <span word="isnt">isnt</span> <span word="really">really</span> <span word="light">light</span> <span word="at">at</span> <span word="all">all</span>. <span word="Its">Its</span> <span word="the">the</span> <span word="result">result</span> <span word="of">of</span> <span word="residual">residual</span> <span word="activity">activity</span> <span word="of">of</span> <span word="the">the</span> <span word="nerve">nerve</span> <span word="cells">cells</span> <span word="on">on</span> <span word="the">the</span> <span word="back">back</span> <span word="of">of</span> <span word="your">your</span> <span word="eye">eye</span>, <span word="called">called</span> <span word="the">the</span> <span word="retina">retina</span>. <span word="In">In</span> <span word="sensory">sensory</span> <span word="psychology">psychology</span> <span word="this">this</span> <span word="effect">effect</span> <span word="is">is</span> <span word="called">called</span> <span word="a">a</span> <span word="positive">positive</span> <span word="afterimage">afterimage</span>.</p><p> 答案是残留的余光根本不是真正的光芒。其实这是视网膜的痕迹作用。感官心理学将这种现象称作正后像。</p><p> <span word="You">You</span> <span word="can">can</span> <span word="think">think</span> <span word="of">of</span> <span word="it">it</span> <span word="as">as</span> <span word="something">something</span> <span word="like">like</span> <span word="the">the</span> <span word="vibration">vibration</span> <span word="of">of</span> <span word="a">a</span> <span word="string">string</span> <span word="after">after</span> <span word="it">it</span> <span word="has">has</span> <span word="been">been</span> <span word="struck">struck</span>. <span word="The">The</span> <span word="players">players</span> <span word="finger">finger</span> <span word="is">is</span> <span word="taken">taken</span> <span word="away">away</span>, <span word="and">and</span> <span word="yet">yet</span> <span word="the">the</span> <span word="sound">sound</span> <span word="continues">continues</span>, <span word="because">because</span> <span word="the">the</span> <span word="energy">energy</span> <span word="she">she</span> <span word="or">or</span> <span word="he">he</span> <span word="put">put</span> <span word="into">into</span> <span word="the">the</span> <span word="string">string</span> <span word="takes">takes</span> <span word="a">a</span> <span word="little">little</span> <span word="while">while</span> <span word="to">to</span> <span word="dissipate">dissipate</span>.</p>
页:
[1]