考研英语阅读真题文章三十篇二十四
<p> <span word="Can">Can</span> <span word="coal">coal</span> <span word="be">be</span> <span word="clean">clean</span>?</p><p> <span word="Coal">Coal</span> <span word="has">has</span> <span word="several">several</span> <span word="advantages">advantages</span> <span word="as">as</span> <span word="a">a</span> <span word="fuel">fuel</span>. <span word="It">It</span> <span word="is">is</span> <span word="abundant">abundant</span>. <span word="It">It</span> <span word="is">is</span> <span word="widely">widely</span> <span word="distributed">distributed</span>: <span word="countries">countries</span> <span word="that">that</span> <span word="are">are</span> <span word="short">short</span> <span word="of">of</span> <span word="other">other</span> <span word="fossil">fossil</span> <span word="fuels">fuels</span>, <span word="such">such</span> <span word="as">as</span> <span word="Germany">Germany</span> <span word="and">and</span> <span word="South">South</span> <span word="Africa">Africa</span>, <span word="have">have</span> <span word="mountains">mountains</span> <span word="of">of</span> <span word="it">it</span>. <span word="As">As</span> <span word="a">a</span> <span word="result">result</span>, <span word="it">it</span> <span word="is">is</span> <span word="cheap">cheap</span>. <span word="Even">Even</span> <span word="though">though</span> <span word="the">the</span> <span word="price">price</span> <span word="has">has</span> <span word="risen">risen</span> <span word="in">in</span> <span word="the">the</span> <span word="past">past</span> <span word="few">few</span> <span word="years">years</span>, <span word="it">it</span> <span word="is">is</span> <span word="still">still</span> <span word="less">less</span> <span word="expensive">expensive</span> <span word="to">to</span> <span word="run">run</span> <span word="a">a</span> <span word="power">power</span> <span word="plant">plant</span> <span word="on">on</span> <span word="coal">coal</span> <span word="than">than</span> <span word="on">on</span> <span word="almost">almost</span> <span word="anything">anything</span> <span word="else">else</span>.</p><p> <span word="But">But</span> <span word="coal">coal</span> <span word="is">is</span> <span word="also">also</span> <span word="dirty">dirty</span>. <span word="It">It</span> <span word="releases">releases</span> <span word="lots">lots</span> <span word="of">of</span> <span word="soot">soot</span> <span word="and">and</span> <span word="various">various</span> <span word="noxious">noxious</span> <span word="chemicals">chemicals</span> <span word="as">as</span> <span word="it">it</span> <span word="burns">burns</span>, <span word="and">and</span> <span word="so">so</span> <span word="has">has</span> <span word="fallen">fallen</span> <span word="out">out</span> <span word="of">of</span> <span word="favour">favour</span> <span word="in">in</span> <span word="many">many</span> <span word="Western">Western</span> <span word="countries">countries</span>. <span word="Worse">Worse</span>, <span word="coalfired">coalfired</span> <span word="plants">plants</span> <span word="produce">produce</span> <span word="roughly">roughly</span> <span word="twice">twice</span> <span word="as">as</span> <span word="much">much</span> <span word="carbon">carbon</span> <span word="dioxide">dioxide</span> <span word="per">per</span> <span word="unit">unit</span> <span word="of">of</span> <span word="electricity">electricity</span> <span word="generated">generated</span> <span word="than">than</span> <span word="those">those</span> <span word="that">that</span> <span word="run">run</span> <span word="on">on</span> <span word="natural">natural</span> <span word="gas">gas</span>.</p><p> <span word="The">The</span> <span word="obvious">obvious</span> <span word="solution">solution</span> <span word="is">is</span> <span word="to">to</span> <span word="make">make</span> <span word="coal">coal</span> <span word="fired">fired</span> <span word="generation">generation</span> <span word="cleaner">cleaner</span>. <span word="And">And</span> <span word="thats">thats</span> <span word="what">what</span> <span word="utilities">utilities</span> <span word="in">in</span> <span word="Western">Western</span> <span word="countries">countries</span> <span word="have">have</span> <span word="been">been</span> <span word="doing">doing</span> <span word="for">for</span> <span word="years">years</span>, <span word="to">to</span> <span word="comply">comply</span> <span word="with">with</span> <span word="ever">ever</span> <span word="stiffer">stiffer</span> <span word="airpollution">airpollution</span> <span word="standards">standards</span>. <span word="Reducing">Reducing</span> <span word="emissions">emissions</span> <span word="of">of</span> <span word="carbon">carbon</span> <span word="dioxide">dioxide</span>, <span word="however">however</span>, <span word="is">is</span> <span word="another">another</span> <span word="matter">matter</span>. <span word="In">In</span> <span word="Britain">Britain</span>, <span word="as">as</span> <span word="in">in</span> <span word="most">most</span> <span word="rich">rich</span> <span word="countries">countries</span>, <span word="the">the</span> <span word="average">average</span> <span word="efficiency">efficiency</span> <span word="of">of</span> <span word="coal">coal</span> <span word="fired">fired</span> <span word="power">power</span> <span word="stations">stations</span> <span word="is">is</span> <span word="about">about</span> 35%. <span word="But">But</span> <span word="Mitsui">Mitsui</span> <span word="Babcock">Babcock</span>, <span word="an">an</span> <span word="engineering">engineering</span> <span word="firm">firm</span>, <span word="says">says</span> <span word="its">its</span> <span word="most">most</span> <span word="recent">recent</span> <span word="designs">designs</span> <span word="can">can</span> <span word="achieve">achieve</span> <span word="efficiencies">efficiencies</span> <span word="as">as</span> <span word="high">high</span> <span word="as">as</span> 46%. <span word="It">It</span> <span word="reckons">reckons</span> <span word="that">that</span> <span word="switching">switching</span> <span word="from">from</span> <span word="an">an</span> <span word="old">old</span> <span word="design">design</span> <span word="to">to</span> <span word="a">a</span> <span word="new">new</span> <span word="one">one</span> <span word="can">can</span> <span word="cut">cut</span> <span word="fuel">fuel</span> <span word="consumption">consumption</span> <span word="and">and</span> <span word="emissions">emissions</span> <span word="by">by</span> 23%.</p><p> <span word="Many">Many</span> <span word="methods">methods</span> <span word="can">can</span> <span word="reduce">reduce</span> <span word="the">the</span> <span word="various">various</span> <span word="emissions">emissions</span> <span word="produced">produced</span> <span word="by">by</span> <span word="coalfired">coalfired</span> <span word="power">power</span> <span word="stations">stations</span>, <span word="so">so</span> <span word="that">that</span> <span word="they">they</span> <span word="are">are</span> <span word="at">at</span> <span word="least">least</span> <span word="no">no</span> <span word="worse">worse</span> <span word="than">than</span> <span word="gasfired">gasfired</span> <span word="stations">stations</span>. <span word="But">But</span> <span word="technologies">technologies</span> <span word="also">also</span> <span word="exist">exist</span> <span word="to">to</span> <span word="make">make</span> <span word="coal">coal</span> <span word="cleaner">cleaner</span> <span word="still">still</span>, <span word="by">by</span> <span word="filtering">filtering</span> <span word="out">out</span> <span word="carbon">carbon</span> <span word="dioxide">dioxide</span> <span word="from">from</span> <span word="the">the</span> <span word="flue">flue</span> <span word="gas">gas</span> <span word="and">and</span> <span word="storing">storing</span> <span word="it">it</span> <span word="somehow">somehow</span>. <span word="This">This</span> <span word="is">is</span> <span word="theoretically">theoretically</span> <span word="possible">possible</span>, <span word="but">but</span> <span word="expensive">expensive</span>. <span word="Moreover">Moreover</span>, <span word="unlike">unlike</span> <span word="modifications">modifications</span> <span word="that">that</span> <span word="improve">improve</span> <span word="efficiency">efficiency</span>, <span word="there">there</span> <span word="are">are</span> <span word="no">no</span> <span word="savings">savings</span> <span word="to">to</span> <span word="be">be</span> <span word="had">had</span> <span word="by">by</span> <span word="adding">adding</span> <span word="carboncapture">carboncapture</span> <span word="technology">technology</span> <span word="to">to</span> <span word="a">a</span> <span word="power">power</span> <span word="plant">plant</span>. <span word="As">As</span> <span word="a">a</span> <span word="result">result</span>, <span word="no">no</span> <span word="such">such</span> <span word="plants">plants</span> <span word="have">have</span> <span word="been">been</span> <span word="built">built</span>.</p>
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