2015年职称英语考试理工类阅读理解测试题(1)
<p> <span word="Deep">Deep</span> <span word="inside">inside</span> <span word="the">the</span> <span word="brain">brain</span> <span word="there">there</span> <span word="is">is</span> <span word="a">a</span> <span word="clock">clock</span> <span word="that">that</span> <span word="governs">governs</span> <span word="every">every</span> <span word="aspect">aspect</span> <span word="of">of</span> <span word="the">the</span> <span word="bodys">bodys</span> <span word="functioning">functioning</span>: <span word="sleep">sleep</span> <span word="and">and</span> <span word="wake">wake</span> <span word="cycles">cycles</span>, <span word="levels">levels</span> <span word="of">of</span> <span word="alertness">alertness</span>, <span word="performance">performance</span>, <span word="mood">mood</span>, <span word="hormone">hormone</span> <span word="levels">levels</span>, <span word="digestion">digestion</span>, <span word="body">body</span> <span word="temperature">temperature</span> <span word="and">and</span> <span word="so">so</span> <span word="on">on</span>. <span word="It">It</span> <span word="regulates">regulates</span> <span word="all">all</span> <span word="of">of</span> <span word="these">these</span> <span word="functions">functions</span> <span word="on">on</span> <span word="a">a</span> 24-<span word="hour">hour</span> <span word="basis">basis</span> <span word="and">and</span> <span word="is">is</span> <span word="called">called</span> <span word="the">the</span> <span word="biological">biological</span> <span word="clock">clock</span>.</p><p> <span word="This">This</span> <span word="body">body</span> <span word="clocks">clocks</span> <span word="programmes">programmes</span> <span word="us">us</span> <span word="to">to</span> <span word="be">be</span> <span word="sleepy">sleepy</span> <span word="twice">twice</span> <span word="a">a</span> <span word="day">day</span>, <span word="between">between</span> 3-5<span word="am">am</span> <span word="and">and</span> <span word="again">again</span> <span word="between">between</span> 3-5<span word="pm">pm</span>. <span word="Afternoon">Afternoon</span> <span word="tea">tea</span> <span word="and">and</span> <span word="nap">nap</span> <span word="are">are</span> <span word="all">all</span> <span word="cultural">cultural</span> <span word="responses">responses</span> <span word="to">to</span> <span word="our">our</span> <span word="natural">natural</span> <span word="biological">biological</span> <span word="sleepiness">sleepiness</span> <span word="in">in</span> <span word="the">the</span> <span word="afternoon">afternoon</span>.</p><p> <span word="One">One</span> <span word="of">of</span> <span word="the">the</span> <span word="major">major</span> <span word="causes">causes</span> <span word="of">of</span> <span word="the">the</span> <span word="travelers">travelers</span> <span word="malady">malady</span> <span word="known">known</span> <span word="as">as</span> <span word="jet">jet</span> <span word="lag">lag</span> <span word="is">is</span> <span word="the">the</span> <span word="non">non</span>-<span word="alignment">alignment</span> <span word="of">of</span> <span word="apersons">apersons</span> <span word="internal">internal</span> <span word="body">body</span> <span word="clock">clock</span> <span word="with">with</span> <span word="clocks">clocks</span> <span word="in">in</span> <span word="the">the</span> <span word="external">external</span> <span word="world">world</span>. <span word="Crossing">Crossing</span> <span word="different">different</span> <span word="time">time</span> <span word="zones">zones</span> <span word="confuses">confuses</span> <span word="thebiological">thebiological</span> <span word="clock">clock</span>, <span word="which">which</span> <span word="then">then</span> <span word="has">has</span> <span word="to">to</span> <span word="adjust">adjust</span> <span word="to">to</span> <span word="the">the</span> <span word="new">new</span> <span word="time">time</span> <span word="and">and</span> <span word="patterns">patterns</span> <span word="of">of</span> <span word="light">light</span> <span word="and">and</span> <span word="activity">activity</span>. <span word="To">To</span> <span word="make">make</span> <span word="matters">matters</span> <span word="more">more</span> <span word="complex">complex</span>, <span word="not">not</span> <span word="all">all</span> <span word="internal">internal</span> <span word="body">body</span> <span word="functions">functions</span> <span word="adjust">adjust</span> <span word="at">at</span> <span word="the">the</span> <span word="same">same</span> <span word="rate">rate</span>. <span word="So">So</span> <span word="your">your</span> <span word="sleep">sleep</span>/<span word="wake">wake</span> <span word="may">may</span> <span word="adjustto">adjustto</span> <span word="a">a</span> <span word="new">new</span> <span word="time">time</span> <span word="zone">zone</span> <span word="at">at</span> <span word="one">one</span> <span word="rate">rate</span>, <span word="while">while</span> <span word="your">your</span> <span word="temperature">temperature</span> <span word="adjusts">adjusts</span> <span word="at">at</span> <span word="a">a</span> <span word="different">different</span> <span word="pace">pace</span>. <span word="Your">Your</span> <span word="digestion">digestion</span> <span word="may">may</span> <span word="beon">beon</span> <span word="a">a</span> <span word="different">different</span> <span word="schedule">schedule</span> <span word="altogether">altogether</span>.</p><p> <span word="Though">Though</span> <span word="we">we</span> <span word="live">live</span> <span word="in">in</span> <span word="a">a</span> 24-<span word="hour">hour</span> <span word="day">day</span>, <span word="the">the</span> <span word="natural">natural</span> <span word="tendency">tendency</span> <span word="of">of</span> <span word="the">the</span> <span word="body">body</span> <span word="clock">clock</span> <span word="is">is</span> <span word="to">to</span> <span word="extend">extend</span> <span word="our">our</span> <span word="day">day</span> <span word="beyond">beyond</span> 24 <span word="hours">hours</span>. <span word="It">It</span> <span word="is">is</span> <span word="contrary">contrary</span> <span word="to">to</span> <span word="our">our</span> <span word="biological">biological</span> <span word="programming">programming</span> <span word="to">to</span> <span word="shrink">shrink</span> <span word="our">our</span> <span word="day">day</span>.</p><p> <span word="That">That</span> <span word="is">is</span> <span word="why">why</span> <span word="traveling">traveling</span> <span word="in">in</span> <span word="a">a</span> <span word="westward">westward</span> <span word="direction">direction</span> <span word="is">is</span> <span word="more">more</span> <span word="body">body</span>-<span word="clock">clock</span> <span word="friendly">friendly</span> <span word="than">than</span> <span word="flying">flying</span> <span word="east">east</span>. <span word="NASA">NASA</span> <span word="studies">studies</span> <span word="of">of</span> <span word="long">long</span> <span word="haul">haul</span> <span word="pilots">pilots</span> <span word="showed">showed</span> <span word="that">that</span> <span word="westward">westward</span> <span word="travel">travel</span> <span word="was">was</span> <span word="associated">associated</span> <span word="with">with</span> <span word="significantly">significantly</span> <span word="better">better</span> <span word="sleep">sleep</span> <span word="quan">quan</span>-<span word="tity">tity</span> <span word="and">and</span> <span word="quality">quality</span> <span word="than">than</span> <span word="eastward">eastward</span> <span word="flights">flights</span>.</p>
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