职称英语理工类A级阅读理解的练习(3)
<p> <span word="The">The</span> <span word="Exploding">Exploding</span> <span word="Lakes">Lakes</span> <span word="of">of</span> <span word="Cameroon">Cameroon</span> <span word="What">What</span> <span word="comes">comes</span> <span word="to">to</span> <span word="mind">mind</span> <span word="when">when</span> <span word="you">you</span> <span word="think">think</span> <span word="of">of</span> <span word="a">a</span> <span word="lake">lake</span>? <span word="You">You</span> <span word="probably">probably</span> <span word="imagine">imagine</span> <span word="a">a</span> <span word="pretty">pretty</span> <span word="scene">scene</span> <span word="with">with</span> <span word="very">very</span> <span word="different">different</span>. <span word="For">For</span> <span word="them">them</span>，<span word="lakes">lakes</span> <span word="may">may</span> <span word="mean">mean</span> <span word="terrible">terrible</span> <span word="disasters">disasters</span>. <span word="In">In</span> 1984，<span word="poisonous">poisonous</span> <span word="gases">gases</span> <span word="exploded">exploded</span> <span word="years">years</span> <span word="later">later</span>,<span word="Lake">Lake</span> <span word="Nyos">Nyos</span> <span word="erupted">erupted</span> <span word="A">A</span> <span word="cloud">cloud</span> <span word="of">of</span> <span word="gases">gases</span> <span word="rolled">rolled</span> <span word="down">down</span> <span word="the">the</span> <span word="hills">hills</span> <span word="and">and</span> <span word="into">into</span> <span word="the">the</span> <span word="valleys">valleys</span> <span word="and">and</span> <span word="Lake">Lake</span> <span word="Nyos">Nyos</span> <span word="and">and</span> <span word="Lake">Lake</span> <span word="Monoun">Monoun</span> <span word="are">are</span> <span word="craterlakes">craterlakes</span> <span word="They">They</span> <span word="were">were</span> <span word="formed">formed</span> <span word="when">when</span> <span word="water">water</span> <span word="not">not</span> <span word="active">active</span> <span word="anymore">anymore</span>. <span word="However">However</span>, <span word="poisonous">poisonous</span> <span word="gases">gases</span> <span word="from">from</span> <span word="the">the</span> <span word="center">center</span> <span word="of">of</span> <span word="the">the</span> <span word="earth">earth</span> <span word="continue">continue</span> <span word="to">to</span> <span word="flow">flow</span> <span word="up">up</span> <span word="gases">gases</span> <span word="are">are</span> <span word="released">released</span> <span word="often">often</span> <span word="because">because</span> <span word="the">the</span> <span word="waterturns">waterturns</span> <span word="overregularly">overregularly</span>.<span word="That">That</span> <span word="is">is</span>，<span word="the">the</span> <span word="water">water</span> <span word="from">from</span> <span word="the">the</span> <span word="However">However</span>，<span word="in">in</span> <span word="Lakes">Lakes</span> <span word="Nyos">Nyos</span> <span word="and">and</span> <span word="Monoun">Monoun</span>，<span word="there">there</span> <span word="is">is</span> <span word="no">no</span> <span word="regular">regular</span> <span word="turning">turning</span> <span word="over">over</span>.<span word="No">No</span> <span word="one">one</span> <span word="knows">knows</span> <span word="the">the</span> <span word="crater">crater</span> <span word="lakes">lakes</span>. <span word="In">In</span> <span word="fact">fact</span>，<span word="scientists">scientists</span> <span word="who">who</span> <span word="have">have</span> <span word="studied">studied</span> <span word="Lakes">Lakes</span> <span word="Nyos">Nyos</span> <span word="and">and</span> <span word="Monoun">Monoun</span> <span word="have">have</span> <span word="found">found</span> 16,000 <span word="water">water</span> <span word="to">to</span> <span word="turn">turn</span> <span word="over">over</span> <span word="suddenly">suddenly</span>，<span word="the">the</span> <span word="gases">gases</span> <span word="escape">escape</span> <span word="in">in</span> <span word="a">a</span> <span word="violent">violent</span> <span word="explosion">explosion</span>. <span word="to">to</span> <span word="escape">escape</span> <span word="disaster">disaster</span>. <span word="Now">Now</span> <span word="scientists">scientists</span> <span word="from">from</span> <span word="the">the</span> <span word="United">United</span> <span word="States">States</span>，<span word="France">France</span>，<span word="and">and</span> <span word="Cameroon">Cameroon</span> <span word="have">have</span> <span word="found">found</span> <span word="a">a</span> <span word="the">the</span> <span word="middle">middle</span> <span word="of">of</span> <span word="the">the</span> <span word="lake">lake</span>，<span word="with">with</span> <span word="one">one</span> <span word="end">end</span> <span word="of">of</span> <span word="the">the</span> <span word="pipe">pipe</span> <span word="near">near</span> <span word="the">the</span> <span word="bottom">bottom</span> <span word="and">and</span> <span word="the">the</span> <span word="other">other</span> <span word="end">end</span> <span word="in">in</span> <span word="the">the</span> <span word="air">air</span>.<span word="Near">Near</span> <span word="when">when</span> <span word="the">the</span> <span word="gas">gas</span> <span word="pressure">pressure</span> <span word="gets">gets</span> <span word="too">too</span> <span word="high">high</span>，<span word="the">the</span> <span word="holes">holes</span> <span word="are">are</span> <span word="opened">opened</span> <span word="and">and</span> <span word="some">some</span> <span word="of">of</span> <span word="the">the</span> <span word="gas">gas</span>-<span word="filled">filled</span> <span word="water">water</span> <span word="shoots">shoots</span> <span word="less">less</span> <span word="likely">likely</span>.<span word="However">However</span>, <span word="the">the</span> <span word="scientists">scientists</span> <span word="are">are</span> <span word="not">not</span> <span word="sure">sure</span> <span word="that">that</span> <span word="one">one</span> <span word="pipe">pipe</span> <span word="will">will</span> <span word="be">be</span> <span word="enough">enough</span> <span word="to">to</span> <span word="prevent">prevent</span> <span word="explosions">explosions</span>.<span word="They">They</span> <span word="hope">hope</span> <span word="to">to</span> <span word="put">put</span> <span word="in">in</span> <span word="others">others</span> <span word="soon">soon</span> <span word="and">and</span> <span word="they">they</span> <span word="plan">plan</span> <span word="to">to</span> <span word="install">install</span> <span word="a">a</span> <span word="similar">similar</span> <span word="pipe">pipe</span> <span word="and">and</span> <span word="a">a</span> <span word="computer">computer</span> <span word="system">system</span> <span word="at">at</span> <span word="Lake">Lake</span> <span word="Monoun">Monoun</span> <span word="as">as</span> <span word="well">well</span>. <span word="warning">warning</span> <span word="systems">systems</span> <span word="at">at</span> <span word="both">both</span> <span word="lakes">lakes</span>. <span word="If">If</span> <span word="the">the</span> <span word="gas">gas</span> <span word="pressure">pressure</span> <span word="rises">rises</span> <span word="to">to</span> <span word="a">a</span> <span word="dangerous">dangerous</span> <span word="level">level</span>，<span word="computers">computers</span> <span word="will">will</span> <span word="set">set</span> <span word="have">have</span> <span word="time">time</span> <span word="to">to</span> <span word="escape">escape</span> <span word="from">from</span> <span word="the">the</span> <span word="dangerous">dangerous</span> <span word="gases">gases</span>. <span word="A">A</span> <span word="Water">Water</span> <span word="will">will</span> <span word="flow">flow</span> <span word="down">down</span> <span word="the">the</span> <span word="hills">hills</span> <span word="C">C</span> <span word="A">A</span> <span word="strong">strong</span> <span word="wind">wind</span> <span word="will">will</span> <span word="rise">rise</span> <span word="from">from</span> <span word="the">the</span> <span word="lakes">lakes</span> 42 <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="about">about</span> <span word="Lake">Lake</span> <span word="Nyos">Nyos</span> <span word="and">and</span> <span word="Lake">Lake</span> <span word="Monoun">Monoun</span> <span word="is">is</span> <span word="true">true</span>? <span word="B">B</span> <span word="They">They</span> <span word="are">are</span> <span word="at">at</span> <span word="the">the</span> <span word="top">top</span> <span word="of">of</span> <span word="two">two</span> <span word="active">active</span> <span word="volcanoes">volcanoes</span>. <span word="D">D</span> <span word="Water">Water</span> <span word="in">in</span> <span word="them">them</span> <span word="turns">turns</span> <span word="over">over</span> <span word="regularly">regularly</span>. <span word="A">A</span> <span word="the">the</span> <span word="gases">gases</span> <span word="rise">rise</span> <span word="to">to</span> <span word="the">the</span> <span word="top">top</span> <span word="and">and</span> <span word="mix">mix</span> <span word="with">with</span> <span word="air">air</span>. <span word="C">C</span> <span word="scientists">scientists</span> <span word="have">have</span> <span word="put">put</span> <span word="in">in</span> <span word="a">a</span> <span word="computer">computer</span> <span word="system">system</span>. 44 <span word="A">A</span> <span word="team">team</span> <span word="of">of</span> <span word="scientists">scientists</span> <span word="has">has</span> <span word="B">B</span> <span word="identified">identified</span> <span word="the">the</span> <span word="gases">gases</span> <span word="at">at</span> <span word="the">the</span> <span word="bottom">bottom</span> <span word="of">of</span> <span word="the">the</span> <span word="lake">lake</span> <span word="D">D</span> <span word="removed">removed</span> <span word="all">all</span> <span word="dangerous">dangerous</span> <span word="gases">gases</span> <span word="from">from</span> <span word="the">the</span> <span word="lakes">lakes</span> <span word="A">A</span> <span word="Scientists">Scientists</span> <span word="are">are</span> <span word="planning">planning</span> <span word="to">to</span> <span word="install">install</span> <span word="pipes">pipes</span> <span word="in">in</span> <span word="all">all</span> <span word="crater">crater</span> <span word="lakes">lakes</span>. <span word="C">C</span> <span word="Explosion">Explosion</span> <span word="disasters">disasters</span> <span word="could">could</span> <span word="be">be</span> <span word="avoided">avoided</span> <span word="in">in</span> <span word="the">the</span> <span word="future">future</span> 参考答案： 42 <span word="c">c</span> 本题为细节题。问的是关于<span word="Nyos">Nyos</span>和<span word="Monoun">Monoun</span>两湖哪句陈述是正确的?选项<span word="A">A</span>说的是两湖于1984年形成的，不符合原文意思。选项<span word="B">B</span>的意思是：他们坐落在两座活活火山上，也与原文意思不符。选项<span word="D">D</span>说的是湖中的水定期翻滚，均与原文不符。只有选项<span word="c">c</span>正确。 44 <span word="A">A</span> 本题问的是一队科学家干了什么工作?第四段第三句提到他们在湖里立了一 根释放湖底气压的管子。故<span word="A">A</span>为答案。</p>
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