职称英语《综合类》考试阅读理解必备练习(4)
<p> <span word="Dont">Dont</span> <span word="Count">Count</span> <span word="on">on</span> <span word="Dung">Dung</span></p><p> <span word="Conservationistsmay">Conservationistsmay</span> <span word="be">be</span> <span word="miscalculating">miscalculating</span> <span word="the">the</span> <span word="numbers">numbers</span> <span word="of">of</span> <span word="the">the</span> <span word="threatened">threatened</span> <span word="animals">animals</span> <span word="such">such</span> <span word="as">as</span> <span word="elephants">elephants</span>.<span word="say">say</span> <span word="African">African</span> <span word="and">and</span> <span word="American">American</span> <span word="researchers">researchers</span>.<span word="The">The</span> <span word="error">error</span> <span word="occurs">occurs</span> <span word="because">because</span> <span word="of">of</span> <span word="a">a</span> <span word="flaw">flaw</span> <span word="in">in</span> <span word="the">the</span> <span word="way">way</span> <span word="they">they</span> <span word="estimate">estimate</span> <span word="animal">animal</span> <span word="numbers">numbers</span> <span word="from">from</span> <span word="the">the</span> <span word="piles">piles</span> <span word="of">of</span> <span word="dungthe">dungthe</span> <span word="creatures">creatures</span> <span word="leave">leave</span> <span word="behind">behind</span>.</p><p> <span word="The">The</span> <span word="mistake">mistake</span> <span word="could">could</span> 1<span word="ead">ead</span> <span word="researchers">researchers</span> <span word="to">to</span> <span word="think">think</span> <span word="that">that</span> <span word="there">there</span> <span word="are">are</span> <span word="twice">twice</span> <span word="as">as</span> <span word="many">many</span> <span word="elephants">elephants</span> <span word="as">as</span> <span word="there">there</span> <span word="really">really</span> <span word="are">are</span> <span word="in">in</span> <span word="some">some</span> <span word="regions">regions</span> <span word="according">according</span> <span word="to">to</span> <span word="Andrew">Andrew</span> <span word="Plumptre">Plumptre</span> <span word="of">of</span> <span word="the">the</span> <span word="Wildlife">Wildlife</span> <span word="Conservation">Conservation</span> <span word="Society">Society</span> <span word="in">in</span> <span word="New">New</span> <span word="York">York</span></p><p> <span word="Biologist">Biologist</span> <span word="Katy">Katy</span> <span word="Payne">Payne</span> <span word="of">of</span> <span word="Cornell">Cornell</span> <span word="University">University</span> <span word="in">in</span> <span word="Ithaca">Ithaca</span>，<span word="New">New</span> <span word="York">York</span>，<span word="agrees">agrees</span>.<span word="We">We</span> <span word="really">really</span> <span word="need">need</span> <span word="to">to</span> <span word="know">know</span> <span word="elephant">elephant</span> <span word="numbers">numbers</span> <span word="and">and</span> <span word="the">the</span> <span word="evidence">evidence</span> <span word="that">that</span> <span word="we">we</span> <span word="have">have</span> <span word="is">is</span> <span word="quite">quite</span> <span word="indirectsays">indirectsays</span> <span word="Payne">Payne</span>，<span word="who">who</span> <span word="electronically">electronically</span> <span word="tracks">tracks</span> <span word="elephants">elephants</span></p><p> <span word="Counting">Counting</span> <span word="elephants">elephants</span> <span word="from">from</span> <span word="planes">planes</span> <span word="is">is</span> <span word="impossible">impossible</span> <span word="in">in</span> <span word="the">the</span> <span word="vast">vast</span> <span word="rainforests">rainforests</span> <span word="of">of</span> <span word="Central">Central</span> <span word="Africa">Africa</span>.<span word="So">So</span> <span word="researchers">researchers</span> <span word="often">often</span> <span word="estimate">estimate</span> <span word="elephant">elephant</span> <span word="numbers">numbers</span> <span word="by">by</span> <span word="counting">counting</span> <span word="dung">dung</span> <span word="piles">piles</span> <span word="in">in</span> <span word="a">a</span> <span word="given">given</span> <span word="area">area</span>.<span word="They">They</span> <span word="also">also</span> <span word="need">need</span> <span word="to">to</span> <span word="know">know</span> <span word="the">the</span> <span word="rate">rate</span> <span word="at">at</span> <span word="which">which</span> <span word="dung">dung</span> <span word="decays">decays</span> <span word="Because">Because</span> <span word="its">its</span> <span word="extremely">extremely</span> <span word="difficult">difficult</span> <span word="to">to</span> <span word="determine">determine</span> <span word="these">these</span> <span word="rates">rates</span>.<span word="however">however</span>，<span word="researchers">researchers</span> <span word="counting">counting</span> <span word="elephants">elephants</span> <span word="in">in</span> <span word="one">one</span> <span word="region">region</span> <span word="tend">tend</span> <span word="to">to</span> <span word="rely">rely</span> <span word="on">on</span> <span word="standard">standard</span> <span word="decay">decay</span> <span word="rates">rates</span> <span word="established">established</span> <span word="elsewhere">elsewhere</span></p><p> <span word="But">But</span> <span word="researchers">researchers</span> <span word="at">at</span> <span word="the">the</span> <span word="WCS">WCS</span> <span word="have">have</span> <span word="found">found</span> <span word="that">that</span> <span word="this">this</span> <span word="decay">decay</span> <span word="rate">rate</span> <span word="varies">varies</span> <span word="from">from</span> <span word="region">region</span> <span word="to">to</span> <span word="region">region</span> <span word="depending">depending</span> <span word="on">on</span> <span word="the">the</span> <span word="climate">climate</span> <span word="and">and</span> <span word="environment">environment</span> <span word="Using">Using</span> <span word="the">the</span> <span word="wrong">wrong</span> <span word="values">values</span> <span word="can">can</span> <span word="lead">lead</span> <span word="the">the</span> <span word="census">census</span> <span word="astray">astray</span>，<span word="says">says</span> <span word="Plumptre">Plumptre</span></p><p> <span word="He">He</span> <span word="and">and</span> <span word="his">his</span> <span word="colleague">colleague</span> <span word="Anthony">Anthony</span> <span word="Chifu">Chifu</span> <span word="Nchanji">Nchanji</span> <span word="studied">studied</span> <span word="decaying">decaying</span> <span word="elephant">elephant</span> <span word="dung">dung</span> <span word="in">in</span> <span word="the">the</span> <span word="forests">forests</span> <span word="of">of</span> <span word="Cameroon">Cameroon</span> <span word="They">They</span> <span word="found">found</span> <span word="that">that</span> <span word="the">the</span> <span word="dung">dung</span> <span word="decayed">decayed</span> <span word="between">between</span> 55 <span word="and">and</span> 65 <span word="per">per</span> <span word="cent">cent</span> <span word="more">more</span> <span word="slowly">slowly</span> <span word="than">than</span> <span word="the">the</span> <span word="dung">dung</span> <span word="in">in</span> <span word="the">the</span> <span word="rainforests">rainforests</span> <span word="of">of</span> <span word="neighbouring">neighbouring</span> <span word="Gabon">Gabon</span>.<span word="If">If</span> <span word="researchers">researchers</span> <span word="use">use</span> <span word="decay">decay</span> <span word="rates">rates</span> <span word="from">from</span> <span word="Gabon">Gabon</span> <span word="to">to</span> <span word="count">count</span> <span word="elephants">elephants</span> <span word="in">in</span> <span word="Cameroon">Cameroon</span>，<span word="they">they</span> <span word="would">would</span> <span word="probably">probably</span> <span word="find">find</span> <span word="more">more</span> <span word="elephants">elephants</span> <span word="than">than</span> <span word="are">are</span> <span word="actually">actually</span> <span word="around">around</span>.<span word="This">This</span> <span word="could">could</span> <span word="mean">mean</span> <span word="estimates">estimates</span> <span word="in">in</span> <span word="Cameroon">Cameroon</span> <span word="are">are</span> <span word="at">at</span> <span word="least">least</span> <span word="twice">twice</span> <span word="as">as</span> <span word="high">high</span> <span word="as">as</span> <span word="those">those</span> <span word="derived">derived</span> <span word="from">from</span> <span word="decay">decay</span> <span word="rates">rates</span> <span word="calculated">calculated</span> <span word="locally">locally</span>，<span word="says">says</span> <span word="PlumptreHowever">PlumptreHowever</span> <span word="accurate">accurate</span> <span word="your">your</span> <span word="dung">dung</span> <span word="density">density</span> <span word="estimate">estimate</span> <span word="might">might</span> <span word="be">be</span>.<span word="the">the</span> <span word="decay">decay</span> <span word="rate">rate</span> <span word="can">can</span> <span word="severely">severely</span> <span word="affect">affect</span> <span word="the">the</span> <span word="result">result</span></p>
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