英语六级外刊阅读练习：压力太大对免疫系统的影响
<p> 外刊阅读练习</p><p> 熟悉四六级阅读理解题型的同学应该都了解，英语四六级考试阅读理解材料大多选自《时代》《卫报》《科学美国人》等外刊。要想阅读理解这部分拿到高分，必须在平常多阅读，掌握新词汇，锻炼阅读速度。</p><p> 本篇阅读材料压力太大对免疫系统的影响选自《今日美国》（原文标题：<span word="Study">Study</span> <span word="shows">shows</span> <span word="how">how</span> <span word="stress">stress</span> <span word="triggers">triggers</span> <span word="immune">immune</span> <span word="system">system</span> 2012.1.27），涉及到较多的医学名词。如果大家觉得比较简单，就当作泛读材料了解了解，认识几个新单词或新表达方式也不错。如果大家觉得这些材料理解上有难度，不妨当做挑战自己的拔高训练，希望大家都有进步。 <span word="Shedding">Shedding</span> <span word="some">some</span> <span word="light">light</span> <span word="on">on</span> <span word="why">why</span> <span word="stress">stress</span> <span word="might">might</span> <span word="be">be</span> <span word="bad">bad</span> <span word="for">for</span> <span word="you">you</span>, <span word="a">a</span> <span word="new">new</span> <span word="study">study</span> <span word="finds">finds</span> <span word="that">that</span> <span word="parts">parts</span> <span word="of">of</span> <span word="your">your</span> <span word="immune">immune</span> <span word="system">system</span> <span word="ramp">ramp</span> <span word="up">up</span> <span word="when">when</span> <span word="you">you</span> <span word="get">get</span> <span word="into">into</span> <span word="personal">personal</span> <span word="conflicts">conflicts</span> <span word="with">with</span> <span word="others">others</span>.</p><p> <span word="shed">shed</span> <span word="light">light</span> <span word="on">on</span> 查明；说明；解释；照亮</p><p> <span word="immune">immune</span> <span word="system">system</span> 免疫系统</p><p> <span word="ramp">ramp</span> <span word="up">up</span> 增加；加强</p><p> <span word="Its">Its</span> <span word="not">not</span> <span word="clear">clear</span> <span word="how">how</span> <span word="this">this</span> <span word="effect">effect</span> <span word="of">of</span> <span word="stress">stress</span> <span word="may">may</span> <span word="make">make</span> <span word="you">you</span> <span word="sick">sick</span>, <span word="but">but</span> <span word="the">the</span> <span word="activated">activated</span> <span word="parts">parts</span> <span word="of">of</span> <span word="the">the</span> <span word="immune">immune</span> <span word="system">system</span> -- <span word="which">which</span> <span word="cause">cause</span> <span word="inflammation">inflammation</span> <span word="in">in</span> <span word="the">the</span> <span word="body">body</span> -- <span word="have">have</span> <span word="been">been</span> <span word="linked">linked</span> <span word="to">to</span> <span word="conditions">conditions</span> <span word="such">such</span> <span word="as">as</span> <span word="diabetes">diabetes</span> <span word="and">and</span> <span word="cancer">cancer</span>.</p><p> <span word="The">The</span> <span word="message">message</span> <span word="is">is</span> <span word="that">that</span> <span word="the">the</span> <span word="flotsam">flotsam</span> <span word="and">and</span> <span word="jetsam">jetsam</span> <span word="of">of</span> <span word="life">life</span> <span word="predict">predict</span> <span word="changes">changes</span> <span word="in">in</span> <span word="your">your</span> <span word="underlying">underlying</span> <span word="biology">biology</span> <span word="in">in</span> <span word="ways">ways</span> <span word="that">that</span> <span word="cumulatively">cumulatively</span> <span word="could">could</span> <span word="have">have</span> <span word="a">a</span> <span word="bad">bad</span> <span word="effect">effect</span> <span word="on">on</span> <span word="health">health</span>, <span word="said">said</span> <span word="study">study</span> <span word="co">co</span>-<span word="author">author</span> <span word="Shelley">Shelley</span> <span word="Taylor">Taylor</span>, <span word="a">a</span> <span word="professor">professor</span> <span word="of">of</span> <span word="psychology">psychology</span> <span word="at">at</span> <span word="the">the</span> <span word="University">University</span> <span word="of">of</span> <span word="California">California</span>, <span word="Los">Los</span> <span word="Angeles">Angeles</span>. <span word="What">What</span> <span word="this">this</span> <span word="tells">tells</span> <span word="me">me</span> <span word="is">is</span> <span word="that">that</span> <span word="people">people</span> <span word="should">should</span> <span word="be">be</span> <span word="investing">investing</span> <span word="in">in</span> <span word="socially">socially</span> <span word="supportive">supportive</span> <span word="relationships">relationships</span>, <span word="and">and</span> <span word="they">they</span> <span word="should">should</span> <span word="not">not</span> <span word="court">court</span> <span word="relationships">relationships</span> <span word="that">that</span> <span word="lead">lead</span> <span word="to">to</span> <span word="a">a</span> <span word="great">great</span> <span word="deal">deal</span> <span word="of">of</span> <span word="conflict">conflict</span>.</p>
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