六级阅读练习 2011.01.29
<p> <span word="Theres">Theres</span> <span word="a">a</span> <span word="simple">simple</span> <span word="premise">premise</span> <span word="behind">behind</span> <span word="what">what</span> <span word="Larry">Larry</span> <span word="Myers">Myers</span> <span word="does">does</span> <span word="for">for</span> <span word="a">a</span> <span word="living">living</span>: <span word="If">If</span> <span word="you">you</span> <span word="can">can</span> <span word="smell">smell</span> <span word="it">it</span>, <span word="you">you</span> <span word="can">can</span> <span word="find">find</span> <span word="it">it</span>.<span word="Myers">Myers</span> <span word="is">is</span> <span word="the">the</span> <span word="founder">founder</span> <span word="of">of</span> <span word="Auburn">Auburn</span> <span word="Universitys">Universitys</span> <span word="Institute">Institute</span> <span word="for">for</span> <span word="Biological">Biological</span> <span word="Detection">Detection</span> <span word="Systems">Systems</span>, <span word="the">the</span> <span word="main">main</span> <span word="task">task</span> <span word="of">of</span> <span word="which">which</span> <span word="is">is</span> <span word="to">to</span> <span word="chase">chase</span> <span word="the">the</span> <span word="ultimate">ultimate</span> <span word="in">in</span> <span word="detection">detection</span> <span word="devicesan">devicesan</span> <span word="artificial">artificial</span> <span word="nose">nose</span>.<span word="For">For</span> <span word="now">now</span>, <span word="the">the</span> <span word="subject">subject</span> <span word="of">of</span> <span word="their">their</span> <span word="research">research</span> <span word="is">is</span> <span word="little">little</span> <span word="more">more</span> <span word="than">than</span> <span word="a">a</span> <span word="stack">stack</span> <span word="of">of</span> <span word="gleaming">gleaming</span> <span word="chips">chips</span> <span word="tucked">tucked</span> <span word="away">away</span> <span word="in">in</span> <span word="a">a</span> <span word="laboratory">laboratory</span> <span word="drawer">drawer</span>. <span word="But">But</span> <span word="soon">soon</span>, <span word="such">such</span> <span word="a">a</span> <span word="tool">tool</span> <span word="could">could</span> <span word="be">be</span> <span word="hanging">hanging</span> <span word="from">from</span> <span word="the">the</span> <span word="belts">belts</span> <span word="of">of</span> <span word="police">police</span>, <span word="arson">arson</span> <span word="investigators">investigators</span> <span word="and">and</span> <span word="food">food</span>-<span word="safety">safety</span> <span word="inspectors">inspectors</span>.<span word="The">The</span> <span word="technology">technology</span> <span word="that">that</span> <span word="they">they</span> <span word="are">are</span> <span word="working">working</span> <span word="on">on</span> <span word="would">would</span> <span word="suggest">suggest</span> <span word="quite">quite</span> <span word="reasonably">reasonably</span> <span word="that">that</span>, <span word="within">within</span> <span word="three">three</span> <span word="to">to</span> <span word="five">five</span> <span word="years">years</span>, <span word="well">well</span> <span word="have">have</span> <span word="some">some</span> <span word="workable">workable</span> <span word="sensors">sensors</span> <span word="ready">ready</span> <span word="to">to</span> <span word="use">use</span>. <span word="Such">Such</span> <span word="devices">devices</span> <span word="might">might</span> <span word="find">find</span> <span word="wide">wide</span> <span word="use">use</span> <span word="in">in</span> <span word="places">places</span> <span word="that">that</span> <span word="attract">attract</span> <span word="terrorists">terrorists</span>. <span word="Police">Police</span> <span word="could">could</span> <span word="detect">detect</span> <span word="drugs">drugs</span>, <span word="bodies">bodies</span> <span word="and">and</span> <span word="bombs">bombs</span> <span word="hidden">hidden</span> <span word="in">in</span> <span word="cars">cars</span>, <span word="while">while</span> <span word="food">food</span> <span word="inspectors">inspectors</span> <span word="could">could</span> <span word="easily">easily</span> <span word="test">test</span> <span word="food">food</span> <span word="and">and</span> <span word="water">water</span> <span word="for">for</span> <span word="contamination">contamination</span>.<span word="The">The</span> <span word="implications">implications</span> <span word="for">for</span> <span word="revolutionary">revolutionary</span> <span word="advances">advances</span> <span word="in">in</span> <span word="public">public</span> <span word="safety">safety</span> <span word="and">and</span> <span word="the">the</span> <span word="food">food</span> <span word="industry">industry</span> <span word="are">are</span> <span word="astonishing">astonishing</span>. <span word="But">But</span> <span word="so">so</span>, <span word="too">too</span>, <span word="are">are</span> <span word="the">the</span> <span word="possibilities">possibilities</span> <span word="for">for</span> <span word="abuse">abuse</span>: <span word="Such">Such</span> <span word="machines">machines</span> <span word="could">could</span> <span word="determine">determine</span> <span word="whether">whether</span> <span word="a">a</span> <span word="woman">woman</span> <span word="is">is</span> <span word="ovulating">ovulating</span> , <span word="without">without</span> <span word="a">a</span> <span word="physical">physical</span> <span word="examor">examor</span> <span word="even">even</span> <span word="her">her</span> <span word="knowledge">knowledge</span>.<span word="One">One</span> <span word="of">of</span> <span word="the">the</span> <span word="traditional">traditional</span> <span word="protectors">protectors</span> <span word="of">of</span> <span word="American">American</span> <span word="liberty">liberty</span> <span word="is">is</span> <span word="that">that</span> <span word="it">it</span> <span word="has">has</span> <span word="been">been</span> <span word="impossible">impossible</span> <span word="to">to</span> <span word="search">search</span> <span word="everyone">everyone</span>. <span word="Thats">Thats</span> <span word="getting">getting</span> <span word="not">not</span> <span word="to">to</span> <span word="be">be</span> <span word="the">the</span> <span word="case">case</span>.</p><p> <span word="Artificial">Artificial</span> <span word="biosensors">biosensors</span> <span word="created">created</span> <span word="at">at</span> <span word="Auburn">Auburn</span> <span word="work">work</span> <span word="totally">totally</span> <span word="differently">differently</span> <span word="from">from</span> <span word="anything">anything</span> <span word="ever">ever</span> <span word="seen">seen</span> <span word="before">before</span>. <span word="Aromas">Aromas</span> <span word="can">can</span>, <span word="for">for</span> <span word="example">example</span>, <span word="is">is</span> <span word="a">a</span> <span word="desktop">desktop</span> <span word="machine">machine</span> <span word="based">based</span> <span word="on">on</span> <span word="a">a</span> <span word="bank">bank</span> <span word="of">of</span> <span word="chips">chips</span> <span word="sensitive">sensitive</span> <span word="to">to</span> <span word="specific">specific</span> <span word="chemicals">chemicals</span> <span word="that">that</span> <span word="evaporate">evaporate</span> <span word="into">into</span> <span word="the">the</span> <span word="air">air</span>. <span word="As">As</span> <span word="air">air</span> <span word="is">is</span> <span word="sucked">sucked</span> <span word="into">into</span> <span word="the">the</span> <span word="machine">machine</span>, <span word="chemicals">chemicals</span> <span word="pass">pass</span> <span word="over">over</span> <span word="the">the</span> <span word="sensor">sensor</span> <span word="surfaces">surfaces</span> <span word="and">and</span> <span word="produce">produce</span> <span word="changes">changes</span> <span word="in">in</span> <span word="the">the</span> <span word="electrical">electrical</span> <span word="current">current</span> <span word="flowing">flowing</span> <span word="through">through</span> <span word="them">them</span>. <span word="Those">Those</span> <span word="current">current</span> <span word="changes">changes</span> <span word="are">are</span> <span word="logged">logged</span> <span word="into">into</span> <span word="a">a</span> <span word="computer">computer</span> <span word="that">that</span> <span word="sorts">sorts</span> <span word="out">out</span> <span word="odors">odors</span> <span word="based">based</span> <span word="on">on</span> <span word="their">their</span> <span word="electrical">electrical</span> <span word="signatures">signatures</span>. <span word="Myers">Myers</span> <span word="says">says</span> <span word="they">they</span> <span word="expect">expect</span> <span word="to">to</span> <span word="load">load</span> <span word="a">a</span> <span word="single">single</span> <span word="fingernail">fingernail</span>-<span word="size">size</span> <span word="chip">chip</span> <span word="with">with</span> <span word="thousands">thousands</span> <span word="of">of</span> <span word="odor">odor</span> <span word="receptors">receptors</span>， <span word="enough">enough</span> <span word="to">to</span> <span word="create">create</span> <span word="a">a</span> <span word="sensor">sensor</span> <span word="thats">thats</span> <span word="nearly">nearly</span> <span word="as">as</span> <span word="sensitive">sensitive</span> <span word="as">as</span> <span word="a">a</span> <span word="dogs">dogs</span> <span word="nose">nose</span>.</p>
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