2015年职称英语考试理工类练习题之完形填空(1)
<p> <span word="Biological">Biological</span> <span word="Identification">Identification</span> <span word="Technologies">Technologies</span></p><p> <span word="When">When</span> <span word="a">a</span> <span word="person">person</span> <span word="walks">walks</span>，<span word="the">the</span> <span word="movement">movement</span> <span word="of">of</span> <span word="his">his</span> <span word="head">head</span>，<span word="trunk">trunk</span>，<span word="and">and</span> <span word="limbsare">limbsare</span> <span word="all">all</span> <span word="reflected">reflected</span> <span word="in">in</span> <span word="changes">changes</span> <span word="in">in</span> <span word="his">his</span> <span word="body">body</span>.<span word="A">A</span> <span word="computer">computer</span> <span word="stores">stores</span> <span word="these">these</span> <span word="into">into</span> <span word="a">a</span> <span word="database">database</span>.<span word="Later">Later</span>，<span word="the">the</span> <span word="computer">computer</span> <span word="can">can</span> <span word="accurately">accurately</span> <span word="him">him</span> <span word="according">according</span> <span word="to">to</span> <span word="these">these</span> <span word="changes">changes</span>.<span word="This">This</span> <span word="is">is</span> <span word="a">a</span> <span word="new">new</span> <span word="biological">biological</span> <span word="identification">identification</span> <span word="and">and</span> <span word="it">it</span> <span word="can">can</span> <span word="quickly">quickly</span> <span word="identify">identify</span> <span word="an">an</span> <span word="examinee">examinee</span> <span word="without">without</span> <span word="disturbing">disturbing</span> <span word="him">him</span>.</p><p> <span word="Everybodys">Everybodys</span> <span word="voice">voice</span> <span word="is">is</span> .<span word="When">When</span> <span word="a">a</span> <span word="persons">persons</span> <span word="voice">voice</span> <span word="is">is</span> <span word="recorded">recorded</span> <span word="by">by</span> <span word="an">an</span> <span word="instrument">instrument</span>，<span word="his">his</span> <span word="voice">voice</span> <span word="frequency">frequency</span> <span word="spectrumis">spectrumis</span> <span word="called">called</span> <span word="sound">sound</span> <span word="print">print</span>. <span word="a">a</span> <span word="fingerprint">fingerprint</span>.<span word="everybodys">everybodys</span> <span word="sound">sound</span> <span word="print">print</span> <span word="is">is</span> <span word="different">different</span>.<span word="How">How</span> <span word="can">can</span> <span word="a">a</span> <span word="computer">computer</span> <span word="his">his</span> <span word="sound">sound</span>? <span word="First">First</span>, <span word="his">his</span> <span word="voice">voice</span> <span word="is">is</span> <span word="recorded">recorded</span>, <span word="allows">allows</span> <span word="the">the</span> <span word="computer">computer</span> <span word="to">to</span> <span word="become">become</span> <span word="familiar">familiar</span> <span word="with">with</span> <span word="his">his</span> <span word="voice">voice</span>.<span word="It">It</span> <span word="will">will</span> <span word="then">then</span> <span word="turn">turn</span> <span word="his">his</span> <span word="sound">sound</span> <span word="characteristics">characteristics</span> <span word="into">into</span> <span word="a">a</span> <span word="series">series</span> <span word="of">of</span> <span word="digits">digits</span>.<span word="These">These</span> <span word="are">are</span> <span word="the">the</span> <span word="on">on</span> <span word="which">which</span> <span word="the">the</span> <span word="computer">computer</span> <span word="can">can</span> <span word="distinguish">distinguish</span> <span word="his">his</span> <span word="voice">voice</span> <span word="from">from</span> <span word="anothers">anothers</span>.</p><p> <span word="We">We</span> <span word="often">often</span> <span word="bring">bring</span> <span word="ID">ID</span> <span word="cards">cards</span>，<span word="work">work</span> <span word="cards">cards</span>, <span word="or">or</span> <span word="driving">driving</span> <span word="licenses">licenses</span> <span word="with">with</span> <span word="us">us</span> <span word="to">to</span> <span word="our">our</span> <span word="identity">identity</span>.<span word="If">If</span> <span word="all">all</span> <span word="these">these</span> <span word="cards">cards</span> <span word="are">are</span> <span word="forgotten">forgotten</span> <span word="or">or</span> <span word="lost">lost</span>.<span word="How">How</span> <span word="can">can</span> <span word="we">we</span> <span word="prove">prove</span> <span word="whom">whom</span> <span word="we">we</span> <span word="are">are</span>? <span word="In">In</span> ，<span word="its">its</span> <span word="not">not</span> <span word="difficult">difficult</span> <span word="to">to</span> <span word="prove">prove</span> <span word="whom">whom</span> <span word="you">you</span> <span word="are">are</span>, <span word="your">your</span> <span word="body">body</span> <span word="itself">itself</span> <span word="has">has</span> <span word="identifying">identifying</span> <span word="markers">markers</span>.<span word="Some">Some</span> <span word="are">are</span> <span word="physiologicalfeatures">physiologicalfeatures</span>, <span word="such">such</span> <span word="as">as</span> <span word="fingerprints">fingerprints</span>，<span word="sounds">sounds</span>，<span word="facial">facial</span> <span word="types">types</span> <span word="and">and</span> <span word="eye">eye</span> <span word="color">color</span>. <span word="The">The</span> <span word="computer">computer</span> <span word="can">can</span> <span word="to">to</span> <span word="identify">identify</span> <span word="you">you</span>.<span word="Suppose">Suppose</span> <span word="your">your</span> <span word="features">features</span> <span word="have">have</span> <span word="already">already</span> <span word="been">been</span> <span word="in">in</span> <span word="the">the</span> <span word="database">database</span>.<span word="To">To</span> <span word="identify">identify</span> <span word="you">you</span>, <span word="we">we</span> <span word="have">have</span> <span word="to">to</span> <span word="take">take</span> <span word="your">your</span> <span word="picture">picture</span> <span word="with">with</span> <span word="a">a</span> <span word="camera">camera</span> <span word="and">and</span> <span word="send">send</span> <span word="it">it</span> <span word="to">to</span> <span word="a">a</span> <span word="computer">computer</span> <span word="for">for</span> . <span word="First">First</span>, <span word="the">the</span> <span word="computer">computer</span> <span word="needs">needs</span> <span word="to">to</span> <span word="reposition">reposition</span> <span word="this">this</span> <span word="picture">picture</span> <span word="according">according</span> <span word="to">to</span> <span word="the">the</span> <span word="position">position</span> <span word="of">of</span> <span word="your">your</span> <span word="eyes">eyes</span>, <span word="and">and</span> <span word="then">then</span> <span word="starts">starts</span> <span word="to">to</span> <span word="read">read</span> <span word="the">the</span> <span word="of">of</span> <span word="your">your</span> <span word="physiological">physiological</span> <span word="features">features</span> <span word="such">such</span> <span word="as">as</span> <span word="the">the</span> <span word="ratio">ratio</span> <span word="of">of</span> <span word="your">your</span> <span word="pupil">pupil</span> <span word="to">to</span> <span word="the">the</span> <span word="whites">whites</span> <span word="of">of</span> <span word="your">your</span> <span word="eyes">eyes</span> <span word="and">and</span> <span word="the">the</span> <span word="shape">shape</span> <span word="of">of</span> <span word="your">your</span> <span word="nose">nose</span>.<span word="Next">Next</span>, <span word="it">it</span> <span word="seeks">seeks</span> <span word="matching">matching</span> <span word="records">records</span> <span word="from">from</span> <span word="the">the</span> <span word="database">database</span>.<span word="Finally">Finally</span>，<span word="it">it</span> <span word="makes">makes</span> <span word="a">a</span> <span word="decision">decision</span>.</p>
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