职称英语理工类阅读理解最后练习(1)
<p> <span word="Making">Making</span> <span word="Light">Light</span> <span word="of">of</span>1 <span word="Sleep">Sleep</span> <span word="All">All</span> <span word="we">we</span> <span word="have">have</span> <span word="a">a</span> <span word="clock">clock</span> <span word="located">located</span> <span word="inside">inside</span> <span word="our">our</span> <span word="brains">brains</span>. <span word="Similar">Similar</span> <span word="to">to</span> <span word="your">your</span> <span word="bedside">bedside</span> <span word="alarm">alarm</span> <span word="clock">clock</span>， <span word="your">your</span> <span word="internal">internal</span> <span word="clock">clock</span>2 <span word="runs">runs</span> <span word="on">on</span> <span word="a">a</span> 24-<span word="hour">hour</span> <span word="cycle">cycle</span>. <span word="This">This</span> <span word="cycle">cycle</span>，<span word="called">called</span> <span word="a">a</span> <span word="circadian">circadian</span> <span word="rhythm">rhythm</span>，<span word="helps">helps</span> <span word="control">control</span> <span word="when">when</span> <span word="you">you</span> <span word="wake">wake</span>，<span word="when">when</span> <span word="you">you</span> <span word="eat">eat</span> <span word="and">and</span> <span word="when">when</span> <span word="you">you</span> <span word="sleep">sleep</span>. <span word="This">This</span> <span word="shift">shift</span>4 <span word="is">is</span> <span word="natural">natural</span> <span word="for">for</span> <span word="teenagers">teenagers</span>. <span word="But">But</span> <span word="staying">staying</span> <span word="up">up</span> <span word="very">very</span> <span word="late">late</span> <span word="and">and</span> <span word="sleeping">sleeping</span> <span word="late">late</span> <span word="can">can</span> <span word="get">get</span> <span word="your">your</span> <span word="bodys">bodys</span> <span word="clock">clock</span> <span word="out">out</span> <span word="of">of</span> <span word="sync">sync</span> <span word="with">with</span> <span word="the">the</span> <span word="cycle">cycle</span> <span word="of">of</span> <span word="light">light</span> <span word="and">and</span> <span word="dark">dark</span>5. <span word="It">It</span> <span word="can">can</span> <span word="also">also</span> <span word="make">make</span> <span word="it">it</span> <span word="hard">hard</span> <span word="to">to</span> <span word="get">get</span> <span word="out">out</span> <span word="of">of</span> <span word="bed">bed</span> <span word="in">in</span> <span word="the">the</span> <span word="morning">morning</span> <span word="and">and</span> <span word="may">may</span> <span word="bring">bring</span> <span word="other">other</span> <span word="problems">problems</span>，<span word="too">too</span>. <span word="Teenagers">Teenagers</span> <span word="are">are</span> <span word="put">put</span> <span word="in">in</span> <span word="a">a</span> <span word="kind">kind</span> <span word="of">of</span> <span word="a">a</span> <span word="gray">gray</span> <span word="cloud">cloud</span>6 <span word="when">when</span> <span word="they">they</span> <span word="dont">dont</span> <span word="get">get</span> <span word="enough">enough</span> <span word="sleep">sleep</span>，<span word="says">says</span> <span word="Mary">Mary</span> <span word="Carskadon">Carskadon</span>，<span word="a">a</span> <span word="sleep">sleep</span> <span word="researcher">researcher</span> <span word="at">at</span> <span word="Brown">Brown</span> <span word="University">University</span> <span word="in">in</span> <span word="Providence">Providence</span>，<span word="RI">RI</span>7 .<span word="It">It</span> <span word="affects">affects</span> <span word="their">their</span> <span word="mood">mood</span> <span word="and">and</span> <span word="their">their</span> <span word="ability">ability</span> <span word="to">to</span> <span word="think">think</span> <span word="and">and</span> <span word="learn">learn</span>. <span word="Scientists">Scientists</span> <span word="have">have</span> <span word="known">known</span> <span word="for">for</span> <span word="a">a</span> <span word="long">long</span> <span word="time">time</span> <span word="that">that</span> <span word="the">the</span> <span word="light">light</span> <span word="of">of</span> <span word="day">day</span> <span word="and">and</span> <span word="the">the</span> <span word="dark">dark</span> <span word="of">of</span> <span word="night">night</span> <span word="play">play</span> <span word="important">important</span> <span word="roles">roles</span> <span word="in">in</span> <span word="setting">setting</span> <span word="our">our</span> <span word="internal">internal</span> <span word="clocks">clocks</span>. <span word="For">For</span> <span word="years">years</span>，<span word="researchers">researchers</span> <span word="thought">thought</span> <span word="that">that</span> <span word="the">the</span> <span word="signals">signals</span> <span word="that">that</span> <span word="synchronize">synchronize</span> <span word="the">the</span> <span word="bodys">bodys</span> <span word="clock">clock</span>8 <span word="were">were</span> <span word="handled">handled</span> <span word="through">through</span> <span word="the">the</span> <span word="same">same</span> <span word="pathways">pathways</span> <span word="that">that</span> <span word="we">we</span> <span word="use">use</span> <span word="to">to</span> <span word="see">see</span>. 词汇： <span word="adolescent">adolescent</span> <span word="n">n</span>.青少年;<span word="adj">adj</span>.青少年的 <span word="sync">sync</span> <span word="n">n</span>. 同步;和谐，协调 注释： 2. <span word="your">your</span> <span word="internal">internal</span> <span word="clock">clock</span> ：指的是第一句中的<span word="a">a</span> <span word="clock">clock</span> <span word="located">located</span> <span word="inside">inside</span> <span word="our">our</span> <span word="brains">brains</span> ，也即是第二段第一句中的<span word="the">the</span> <span word="biological">biological</span> <span word="clock">clock</span> 。 4. <span word="This">This</span> <span word="shift">shift</span>：这种调整。指上文所描述的由于生理时间的变化青少年上床时间越来越晚的现象。 6. <span word="gray">gray</span> <span word="cloud">cloud</span> ：提不起精神的状态 创建于1764 年，是世界闻名的美国常春藤联盟中的一员。 练习： <span word="A">A</span> <span word="it">it</span> <span word="controls">controls</span> <span word="when">when</span> <span word="we">we</span> <span word="wake">wake</span>，<span word="when">when</span> <span word="we">we</span> <span word="eat">eat</span> <span word="and">and</span> <span word="when">when</span> <span word="we">we</span> <span word="sleep">sleep</span>. <span word="C">C</span> <span word="it">it</span> <span word="is">is</span> <span word="a">a</span> <span word="cycle">cycle</span> <span word="also">also</span> <span word="called">called</span> <span word="circadian">circadian</span> <span word="rhythm">rhythm</span>. 2. <span word="What">What</span> <span word="is">is</span> <span word="implied">implied</span> <span word="in">in</span> <span word="the">the</span> <span word="second">second</span> <span word="paragraph">paragraph</span>? <span word="B">B</span> <span word="People">People</span> <span word="after">after</span> <span word="puberty">puberty</span> <span word="begin">begin</span> <span word="to">to</span> <span word="go">go</span> <span word="to">to</span> <span word="bed">bed</span> <span word="earlier">earlier</span> <span word="due">due</span> <span word="to">to</span> <span word="the">the</span> <span word="change">change</span> <span word="of">of</span> <span word="the">the</span> <span word="biological">biological</span> <span word="clock">clock</span>. <span word="D">D</span> <span word="Teenagers">Teenagers</span> <span word="go">go</span> <span word="to">to</span> <span word="bed">bed</span> <span word="later">later</span> <span word="than">than</span> <span word="they">they</span> <span word="used">used</span> <span word="to">to</span> <span word="due">due</span> <span word="to">to</span> <span word="the">the</span> <span word="light">light</span> <span word="from">from</span> <span word="the">the</span> <span word="computer">computer</span> <span word="screen">screen</span>. <span word="A">A</span> <span word="it">it</span> <span word="is">is</span> <span word="natural">natural</span> <span word="for">for</span> <span word="teenagers">teenagers</span> <span word="to">to</span> <span word="stay">stay</span> <span word="up">up</span> <span word="late">late</span> <span word="and">and</span> <span word="get">get</span> <span word="up">up</span> <span word="late">late</span>. <span word="C">C</span> <span word="during">during</span> <span word="puberty">puberty</span> <span word="most">most</span> <span word="teenagers">teenagers</span> <span word="experience">experience</span> <span word="a">a</span> <span word="kind">kind</span> <span word="of">of</span> <span word="gray">gray</span> <span word="cloud">cloud</span>. 4. <span word="Which">Which</span> <span word="of">of</span> <span word="the">the</span> <span word="following">following</span> <span word="statements">statements</span> <span word="is">is</span> <span word="NOT">NOT</span> <span word="true">true</span> <span word="according">according</span> <span word="to">to</span> <span word="the">the</span> <span word="fourth">fourth</span> <span word="and">and</span> <span word="fifth">fifth</span> <span word="paragraphs">paragraphs</span>? <span word="B">B</span> <span word="light">light</span> <span word="gets">gets</span> <span word="through">through</span> <span word="our">our</span> <span word="eyes">eyes</span> <span word="and">and</span> <span word="resets">resets</span> <span word="our">our</span> <span word="biological">biological</span> <span word="clock">clock</span>. <span word="D">D</span> <span word="Our">Our</span> <span word="internal">internal</span> <span word="clock">clock</span>，<span word="like">like</span> <span word="the">the</span> <span word="alarm">alarm</span> <span word="clock">clock</span>，<span word="can">can</span> <span word="be">be</span> <span word="reset">reset</span>. <span word="A">A</span> <span word="The">The</span> <span word="human">human</span> <span word="eye">eye</span> <span word="had">had</span> <span word="two">two</span> <span word="light">light</span>-<span word="sensing">sensing</span> <span word="systems">systems</span>. <span word="C">C</span> <span word="The">The</span> <span word="human">human</span> <span word="eye">eye</span> <span word="could">could</span> <span word="sense">sense</span> <span word="the">the</span> <span word="light">light</span> <span word="of">of</span> <span word="day">day</span> <span word="more">more</span> <span word="quickly">quickly</span> <span word="than">than</span> <span word="the">the</span> <span word="dark">dark</span> <span word="of">of</span> <span word="night">night</span>. 答案与题解： <span word="Brains">Brains</span>。 3. <span word="B">B</span> 第三段的最后一句直接给出了答案。 受的日光来自动调节生理节奏。所以<span word="A">A</span>、<span word="B">B</span>和<span word="D">D</span>都是这两段中所述内容，<span word="C">C</span>是正确选择，因为闹钟不能自动重新设定时间。 <span word="pathways">pathways</span> <span word="that">that</span> <span word="we">we</span> <span word="use">use</span> <span word="to">to</span> <span word="see">see</span> ，也就是说，研究者之前认为人类的眼睛只有一个感光系统。但最新发现却是，人的眼睛有两个感光系统。 </p>
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