职称英语理工类2007年c真题：概括大意与完成句子
<p> 导语：以下英语网为大家整理了全面的职称英语考试历年真题及答案解析，《职称英语考试试题汇总：历年真题及答案解析》供大家参考学习。更多职称英语考试试题敬请关注英语网！</p><p>【推荐】关注英语网微信：<span word="yingyuwang">yingyuwang</span>2013，更快获取真题答案及成绩查询信息。</p><p> 第3部分：概括大意与完成句子（第23~30题，每题1分，共8分）</p><p> 下面的短文后有2项测试任务：（1）第23~26题要求从所给的6个选项中为第2~5段每段选择1个最佳标题；（2）第27~30题要求从所给的6个选项中为每个句子确定1个最佳选项。</p><p><span word="Unlocking">Unlocking</span> <span word="the">the</span> <span word="Human">Human</span> <span word="Genome">Genome</span>（基因组）</p><p> 1<span word="A">A</span> <span word="project">project</span> <span word="to">to</span> <span word="unlock">unlock</span> <span word="secrets">secrets</span>-<span word="what">what</span> <span word="scientist">scientist</span> <span word="could">could</span> <span word="resist">resist</span> <span word="that">that</span> <span word="challenge">challenge</span>?<span word="This">This</span> <span word="is">is</span> <span word="what">what</span> <span word="many">many</span> <span word="scientists">scientists</span> <span word="are">are</span> <span word="doing">doing</span> <span word="as">as</span> <span word="they">they</span> <span word="work">work</span> <span word="on">on</span> <span word="the">the</span> <span word="Human">Human</span> <span word="Genome">Genome</span> <span word="Project">Project</span>.<span word="The">The</span> <span word="aim">aim</span> <span word="of">of</span> <span word="the">the</span> <span word="project">project</span> <span word="is">is</span> <span word="to">to</span> <span word="decode">decode</span>（破译）<span word="all">all</span> <span word="of">of</span> <span word="the">the</span> <span word="some">some</span> 100,000 <span word="genes">genes</span> <span word="in">in</span> <span word="the">the</span> <span word="human">human</span> <span word="body">body</span>.<span word="Scientists">Scientists</span> <span word="are">are</span> <span word="using">using</span> <span word="DNA">DNA</span> <span word="fingerprinting">fingerprinting</span> <span word="techniques">techniques</span> <span word="to">to</span> <span word="do">do</span> <span word="the">the</span> <span word="decoding">decoding</span>.</p><p> 2<span word="DNA">DNA</span> <span word="is">is</span> <span word="the">the</span> <span word="substance">substance</span> <span word="found">found</span> <span word="in">in</span> <span word="the">the</span> <span word="chromosomes">chromosomes</span>（染色体）<span word="of">of</span> <span word="a">a</span> <span word="cell">cell</span>.<span word="A">A</span> <span word="chromosome">chromosome</span> <span word="is">is</span> <span word="a">a</span> <span word="chain">chain</span> <span word="of">of</span> <span word="genes">genes</span>.<span word="Each">Each</span> <span word="gene">gene</span> <span word="carries">carries</span> <span word="a">a</span> <span word="piece">piece</span> <span word="of">of</span> <span word="genetic">genetic</span> <span word="information">information</span>.<span word="At">At</span> <span word="any">any</span> <span word="one">one</span> <span word="moment">moment</span> <span word="in">in</span> <span word="a">a</span> <span word="cell">cell</span>,<span word="thousands">thousands</span> <span word="of">of</span> <span word="genes">genes</span> <span word="are">are</span> <span word="turned">turned</span> <span word="on">on</span> <span word="and">and</span> <span word="off">off</span> <span word="to">to</span> <span word="produce">produce</span> <span word="proteins">proteins</span>（蛋白质）.<span word="The">The</span> <span word="challenge">challenge</span> <span word="for">for</span> <span word="scientists">scientists</span> <span word="is">is</span> <span word="to">to</span> <span word="find">find</span> <span word="out">out</span> <span word="what">what</span> <span word="role">role</span> <span word="each">each</span> <span word="gene">gene</span> <span word="plays">plays</span> <span word="in">in</span> <span word="protein">protein</span> <span word="production">production</span>.<span word="At">At</span> <span word="some">some</span> <span word="point">point</span> <span word="this">this</span> <span word="decoding">decoding</span> <span word="will">will</span> <span word="be">be</span> <span word="complete">complete</span>.<span word="Then">Then</span> <span word="scientists">scientists</span> <span word="will">will</span> <span word="have">have</span> <span word="a">a</span> <span word="map">map</span> <span word="of">of</span> <span word="an">an</span> <span word="ideal">ideal</span> <span word="genome">genome</span>,<span word="or">or</span> <span word="a">a</span> <span word="picture">picture</span> <span word="of">of</span> <span word="the">the</span> <span word="total">total</span> <span word="genetic">genetic</span> <span word="nature">nature</span> <span word="of">of</span> <span word="a">a</span> <span word="human">human</span> <span word="being">being</span>.<span word="The">The</span> <span word="ideal">ideal</span> <span word="genome">genome</span> <span word="is">is</span> <span word="called">called</span> <span word="a">a</span> <span word="consensus">consensus</span>（交感）<span word="genome">genome</span>.<span word="Everything">Everything</span> <span word="works">works</span> <span word="well">well</span> <span word="in">in</span> <span word="a">a</span> <span word="consensus">consensus</span> <span word="genome">genome</span>.</p>
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