新GRE逻辑阅读 每日一练34
<p> 编辑点评： <span word="GRE">GRE</span>阅读考试的材料，非常强调逻辑的关系，所以逻辑要点是大家在解<span word="GRE">GRE</span>阅读题的时候的关键，本文就为大家例举了这样一篇逻辑短文，供大家参考和练习。</p><p> 随着<span word="GRE">GRE</span>阅读考试的难度日益增加，大家需要有针对性地进行练习，本文为大家例举的就是逻辑短文的练习，文末还附有答案，供大家更好地练习。</p><p> <span word="Until">Until</span> <span word="about">about</span> <span word="five">five</span> <span word="years">years</span> <span word="ago">ago</span>, <span word="the">the</span> <span word="very">very</span> <span word="idea">idea</span> <span word="that">that</span> <span word="peptide">peptide</span> <span word="hormones">hormones</span> <span word="might">might</span> <span word="be">be</span> <span word="made">made</span> <span word="anywhere">anywhere</span> <span word="in">in</span> <span word="the">the</span> <span word="brain">brain</span> <span word="besides">besides</span> <span word="the">the</span> <span word="hypothalamus">hypothalamus</span> <span word="was">was</span> <span word="astounding">astounding</span>. <span word="But">But</span> <span word="laboratory">laboratory</span> <span word="after">after</span> <span word="laboratory">laboratory</span> <span word="found">found</span> <span word="that">that</span> <span word="antiserums">antiserums</span> <span word="to">to</span> <span word="peptide">peptide</span> <span word="hormones">hormones</span>, 5 <span word="when">when</span> <span word="injected">injected</span> <span word="into">into</span> <span word="the">the</span> <span word="brain">brain</span>, <span word="bind">bind</span> <span word="in">in</span> <span word="places">places</span> <span word="other">other</span> <span word="than">than</span> <span word="the">the</span> <span word="hypothalamus">hypothalamus</span>, <span word="indicating">indicating</span> <span word="that">that</span> <span word="either">either</span> <span word="the">the</span> <span word="hormones">hormones</span> <span word="or">or</span> <span word="substances">substances</span> <span word="that">that</span> <span word="cross">cross</span>-<span word="react">react</span> <span word="with">with</span> <span word="the">the</span> <span word="antiserums">antiserums</span> <span word="are">are</span> <span word="present">present</span>.<span word="The">The</span> <span word="immunological">immunological</span> <span word="method">method</span> <span word="of">of</span> <span word="detecting">detecting</span> <span word="peptide">peptide</span> <span word="hormones">hormones</span> <span word="by">by</span> <span word="means">means</span> <span word="of">of</span> <span word="antiserums">antiserums</span>, <span word="however">however</span>, <span word="is">is</span> 10 <span word="imprecise">imprecise</span>. <span word="Cross">Cross</span>-<span word="reactions">reactions</span> <span word="are">are</span> <span word="possible">possible</span> <span word="and">and</span> <span word="this">this</span> <span word="method">method</span> <span word="cannot">cannot</span> <span word="determine">determine</span> <span word="whether">whether</span> <span word="the">the</span> <span word="substances">substances</span> <span word="detected">detected</span> <span word="by">by</span> <span word="the">the</span> <span word="antiserums">antiserums</span> <span word="really">really</span> <span word="are">are</span> <span word="the">the</span> <span word="hormones">hormones</span>, <span word="or">or</span> <span word="merely">merely</span> <span word="close">close</span> <span word="relatives">relatives</span>.</p><p> <span word="Furthermore">Furthermore</span>, <span word="this">this</span> <span word="method">method</span> <span word="cannot">cannot</span> <span word="be">be</span> <span word="used">used</span> <span word="to">to</span> <span word="determine">determine</span> <span word="the">the</span> <span word="location">location</span> <span word="in">in</span> <span word="the">the</span> <span word="body">body</span> <span word="where">where</span> <span word="the">the</span> <span word="detected">detected</span> 15 <span word="substances">substances</span> <span word="are">are</span> <span word="actually">actually</span> <span word="produced">produced</span>. <span word="New">New</span> <span word="techniques">techniques</span> <span word="of">of</span> <span word="molecular">molecular</span> <span word="biology">biology</span>, <span word="however">however</span>, <span word="provide">provide</span> <span word="a">a</span> <span word="way">way</span> <span word="to">to</span> <span word="answer">answer</span> <span word="these">these</span> <span word="questions">questions</span>. <span word="It">It</span> <span word="is">is</span> <span word="possible">possible</span> <span word="to">to</span> <span word="make">make</span> <span word="specific">specific</span> <span word="complementary">complementary</span> <span word="DNA">DNA</span> <span word="s">s</span> <span word="that">that</span> <span word="can">can</span> <span word="serve">serve</span> <span word="as">as</span> <span word="molecular">molecular</span> <span word="probes">probes</span> <span word="to">to</span> <span word="seek">seek</span> <span word="out">out</span> <span word="the">the</span> <span word="messenger">messenger</span> <span word="RNA">RNA</span> <span word="s">s</span> 20 <span word="of">of</span> <span word="the">the</span> <span word="peptide">peptide</span> <span word="hormones">hormones</span>. <span word="The">The</span> <span word="brain">brain</span> <span word="cells">cells</span> <span word="containing">containing</span> <span word="these">these</span> <span word="mRNA">mRNA</span> <span word="s">s</span> <span word="can">can</span> <span word="then">then</span> <span word="be">be</span> <span word="isolated">isolated</span> <span word="and">and</span> <span word="their">their</span> <span word="mRNA">mRNA</span> <span word="s">s</span> <span word="decoded">decoded</span> <span word="to">to</span> <span word="determine">determine</span> <span word="just">just</span> <span word="what">what</span> <span word="their">their</span> <span word="protein">protein</span> <span word="products">products</span> <span word="are">are</span> <span word="and">and</span> <span word="how">how</span> <span word="closely">closely</span> <span word="the">the</span> <span word="products">products</span> <span word="resemble">resemble</span> <span word="the">the</span> <span word="true">true</span> <span word="peptide">peptide</span> <span word="hormones">hormones</span>.</p>
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