2013年6月英语六级考试备考深度阅读试题模拟与解析（21）
<p> <span word="It">It</span> <span word="has">has</span> <span word="been">been</span> <span word="called">called</span> <span word="the">the</span> <span word="Holy">Holy</span> <span word="Grail">Grail</span> <span word="of">of</span> <span word="modern">modern</span> <span word="biology">biology</span>. <span word="Costing">Costing</span> <span word="more">more</span> <span word="than">than</span> ￡2 <span word="billion">billion</span>, <span word="it">it</span> <span word="is">is</span> <span word="the">the</span> <span word="most">most</span> <span word="ambitious">ambitious</span> <span word="scientific">scientific</span> <span word="project">project</span> <span word="since">since</span> <span word="the">the</span> <span word="Apollo">Apollo</span> <span word="program">program</span> <span word="that">that</span> <span word="landed">landed</span> <span word="a">a</span> <span word="man">man</span> <span word="on">on</span> <span word="the">the</span> <span word="moon">moon</span>. <span word="And">And</span> <span word="it">it</span> <span word="will">will</span> <span word="take">take</span> <span word="longer">longer</span> <span word="to">to</span> <span word="accomplish">accomplish</span> <span word="than">than</span> <span word="the">the</span> <span word="lunar">lunar</span> <span word="missions">missions</span>, <span word="for">for</span> <span word="it">it</span> <span word="will">will</span> <span word="not">not</span> <span word="be">be</span> <span word="complete">complete</span> <span word="until">until</span> <span word="next">next</span> <span word="century">century</span>. <span word="Even">Even</span> <span word="before">before</span> <span word="it">it</span> <span word="is">is</span> <span word="finished">finished</span>, <span word="according">according</span> <span word="to">to</span> <span word="those">those</span> <span word="involved">involved</span>, <span word="this">this</span> <span word="project">project</span> <span word="should">should</span> <span word="open">open</span> <span word="up">up</span> <span word="new">new</span> <span word="understanding">understanding</span> <span word="of">of</span>, <span word="and">and</span> <span word="new">new</span> <span word="treatment">treatment</span> <span word="for">for</span>, <span word="many">many</span> <span word="of">of</span> <span word="the">the</span> <span word="ailments">ailments</span> <span word="that">that</span> <span word="afflict">afflict</span> <span word="humanity">humanity</span>.</p><p> <span word="The">The</span> <span word="objective">objective</span> <span word="of">of</span> <span word="the">the</span> <span word="Human">Human</span> <span word="Genome">Genome</span> <span word="Project">Project</span> <span word="is">is</span> <span word="simple">simple</span> <span word="to">to</span> <span word="state">state</span> <span word="but">but</span> <span word="audacious">audacious</span> <span word="in">in</span> <span word="scope">scope</span>: <span word="to">to</span> <span word="map">map</span> <span word="and">and</span> <span word="analyze">analyze</span> <span word="every">every</span> <span word="single">single</span> <span word="gene">gene</span> <span word="within">within</span> <span word="the">the</span> <span word="double">double</span> <span word="helix">helix</span> <span word="of">of</span> <span word="humanitys">humanitys</span> <span word="DNA">DNA</span>. <span word="The">The</span> <span word="project">project</span> <span word="will">will</span> <span word="reveal">reveal</span> <span word="a">a</span> <span word="new">new</span> <span word="human">human</span> <span word="anatomy">anatomy</span>--<span word="not">not</span> <span word="the">the</span> <span word="bones">bones</span>, <span word="muscles">muscles</span> <span word="and">and</span> <span word="sinews">sinews</span>, <span word="but">but</span> <span word="the">the</span> <span word="complete">complete</span> <span word="genetic">genetic</span> <span word="blueprint">blueprint</span> <span word="for">for</span> <span word="a">a</span> <span word="human">human</span> <span word="being">being</span>. <span word="Those">Those</span> <span word="working">working</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="claim">claim</span> <span word="that">that</span> <span word="the">the</span> <span word="new">new</span> <span word="genetic">genetic</span> <span word="anatomy">anatomy</span> <span word="will">will</span> <span word="transform">transform</span> <span word="medicine">medicine</span> <span word="and">and</span> <span word="reduce">reduce</span> <span word="human">human</span> <span word="suffering">suffering</span> <span word="in">in</span> <span word="the">the</span> 21<span word="st">st</span> <span word="century">century</span>. <span word="But">But</span> <span word="others">others</span> <span word="see">see</span> <span word="the">the</span> <span word="future">future</span> <span word="through">through</span> <span word="a">a</span> <span word="darker">darker</span> <span word="glass">glass</span> <span word="and">and</span> <span word="fear">fear</span> <span word="that">that</span> <span word="the">the</span> <span word="project">project</span> <span word="may">may</span> <span word="open">open</span> <span word="the">the</span> <span word="door">door</span> <span word="to">to</span> <span word="a">a</span> <span word="world">world</span> <span word="peopled">peopled</span> <span word="by">by</span> <span word="Frankensteins">Frankensteins</span> <span word="monsters">monsters</span> <span word="and">and</span> <span word="disfigured">disfigured</span> <span word="by">by</span> <span word="a">a</span> <span word="new">new</span> <span word="eugenics">eugenics</span>.</p><p> <span word="The">The</span> <span word="genetic">genetic</span> <span word="inheritance">inheritance</span> <span word="a">a</span> <span word="baby">baby</span> <span word="receives">receives</span> <span word="from">from</span> <span word="its">its</span> <span word="parents">parents</span> <span word="at">at</span> <span word="the">the</span> <span word="moment">moment</span> <span word="of">of</span> <span word="conception">conception</span> <span word="fixes">fixes</span> <span word="much">much</span> <span word="of">of</span> <span word="its">its</span> <span word="later">later</span> <span word="development">development</span>. <span word="The">The</span> <span word="human">human</span> <span word="genome">genome</span> <span word="is">is</span> <span word="the">the</span> <span word="compendium">compendium</span> <span word="of">of</span> <span word="all">all</span> <span word="these">these</span> <span word="inherited">inherited</span> <span word="genetic">genetic</span> <span word="instructions">instructions</span>. <span word="Witten">Witten</span> <span word="out">out</span> <span word="along">along</span> <span word="the">the</span> <span word="double">double</span> <span word="helix">helix</span> <span word="of">of</span> <span word="DNA">DNA</span> <span word="are">are</span> <span word="the">the</span> <span word="chemical">chemical</span> <span word="letters">letters</span> <span word="of">of</span> <span word="the">the</span> <span word="genetic">genetic</span> <span word="text">text</span>, <span word="for">for</span> <span word="the">the</span> <span word="human">human</span> <span word="genome">genome</span> <span word="contains">contains</span> <span word="more">more</span> <span word="than">than</span> 3 <span word="billion">billion</span> <span word="letters">letters</span>. <span word="On">On</span> <span word="the">the</span> <span word="printed">printed</span> <span word="page">page</span> <span word="it">it</span> <span word="would">would</span> <span word="fill">fill</span> <span word="about">about</span> 7,000 <span word="volumes">volumes</span>. <span word="Yet">Yet</span> <span word="within">within</span> <span word="little">little</span> <span word="more">more</span> <span word="than">than</span> <span word="a">a</span> <span word="decade">decade</span>, <span word="the">the</span> <span word="position">position</span> <span word="of">of</span> <span word="every">every</span> <span word="letter">letter</span> <span word="and">and</span> <span word="its">its</span> <span word="relation">relation</span> <span word="to">to</span> <span word="its">its</span> <span word="neighbors">neighbors</span> <span word="will">will</span> <span word="have">have</span> <span word="been">been</span> <span word="tracked">tracked</span> <span word="down">down</span>, <span word="analyzed">analyzed</span> <span word="and">and</span> <span word="recorded">recorded</span>.</p>
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