职称英语综合类考试必备练习题之完形填空(5)
<p> <span word="Looking">Looking</span> <span word="for">for</span> <span word="New">New</span> <span word="Suitable">Suitable</span> <span word="Energies">Energies</span></p><p> <span word="The">The</span> <span word="world">world</span> <span word="is">is</span> <span word="running">running</span> <span word="out">out</span> <span word="of">of</span> <span word="oil">oil</span>, <span word="and">and</span> <span word="energy">energy</span> <span word="experts">experts</span> <span word="believe">believe</span> <span word="that">that</span> <span word="there">there</span> <span word="could">could</span> <span word="be">be</span> <span word="serious">serious</span> <span word="shortages">shortages</span> <span word="in">in</span> <span word="ten">ten</span> <span word="years">years</span> <span word="time">time</span>. <span word="Governments">Governments</span> <span word="are">are</span> <span word="searching">searching</span> <span word="a">a</span> <span word="suitable">suitable</span> <span word="alternative">alternative</span>, <span word="but">but</span> <span word="so">so</span> <span word="far">far</span> <span word="it">it</span> <span word="has">has</span> <span word="been">been</span> <span word="in">in</span> <span word="vain">vain</span>. <span word="They">They</span> <span word="are">are</span> <span word="considering">considering</span> <span word="they">they</span> <span word="can">can</span> <span word="make">make</span> <span word="better">better</span> <span word="use">use</span> <span word="of">of</span> <span word="the">the</span> <span word="two">two</span> <span word="other">other</span> <span word="major">major</span> <span word="fuels">fuels</span>, <span word="coal">coal</span> <span word="and">and</span> <span word="natural">natural</span> <span word="gas">gas</span>, <span word="but">but</span> <span word="they">they</span> <span word="have">have</span> <span word="found">found</span> <span word="that">that</span> <span word="can">can</span> <span word="take">take</span> <span word="the">the</span> <span word="place">place</span> <span word="of">of</span> <span word="oil">oil</span> <span word="in">in</span> <span word="terms">terms</span> <span word="of">of</span> <span word="economy">economy</span>. <span word="In">In</span> <span word="recent">recent</span> <span word="years">years</span>, <span word="there">there</span> <span word="has">has</span> <span word="been">been</span> <span word="a">a</span> <span word="growing">growing</span> <span word="concern">concern</span> <span word="for">for</span> <span word="the">the</span> <span word="environment">environment</span> <span word="and">and</span> <span word="coal">coal</span> <span word="is">is</span> <span word="not">not</span> <span word="a">a</span> <span word="popular">popular</span> <span word="fuel">fuel</span> <span word="with">with</span> <span word="environmentalists">environmentalists</span>. <span word="Coal">Coal</span> <span word="mines">mines</span> <span word="are">are</span> <span word="ugly">ugly</span>, <span word="and">and</span> <span word="their">their</span> <span word="development">development</span> <span word="has">has</span> <span word="a">a</span> <span word="serious">serious</span> <span word="on">on</span> <span word="animal">animal</span> <span word="and">and</span> <span word="plant">plant</span> <span word="life">life</span>; <span word="coal">coal</span> <span word="itself">itself</span> <span word="is">is</span> <span word="a">a</span> <span word="heavy">heavy</span> . <span word="Natural">Natural</span> <span word="gas">gas</span>, <span word="the">the</span> <span word="purest">purest</span> <span word="of">of</span> <span word="the">the</span> <span word="three">three</span> <span word="fuels">fuels</span>, <span word="is">is</span> <span word="also">also</span> <span word="the">the</span> <span word="most">most</span> <span word="limited">limited</span> <span word="in">in</span> <span word="supply">supply</span>.</p><p> <span word="The">The</span> <span word="answer">answer</span> <span word="would">would</span> <span word="seem">seem</span> <span word="to">to</span> <span word="lie">lie</span> <span word="in">in</span> <span word="nuclear">nuclear</span> <span word="power">power</span> <span word="stations">stations</span>. <span word="They">They</span> <span word="need">need</span> <span word="very">very</span> <span word="fuel">fuel</span> <span word="to">to</span> <span word="produce">produce</span> <span word="enormous">enormous</span> <span word="amount">amount</span> <span word="of">of</span> <span word="power">power</span> <span word="and">and</span> <span word="they">they</span> <span word="do">do</span> <span word="not">not</span> <span word="pollute">pollute</span> <span word="the">the</span> <span word="atmosphere">atmosphere</span>. <span word="Their">Their</span> <span word="dangers">dangers</span>, <span word="however">however</span>, <span word="are">are</span> <span word="so">so</span> <span word="great">great</span> <span word="and">and</span> <span word="the">the</span> <span word="cost">cost</span> <span word="of">of</span> <span word="building">building</span> <span word="them">them</span> <span word="is">is</span> <span word="so">so</span> <span word="high">high</span> <span word="that">that</span> <span word="some">some</span> <span word="governments">governments</span> <span word="are">are</span> <span word="to">to</span> <span word="invest">invest</span> <span word="in">in</span> <span word="them">them</span>. <span word="Not">Not</span> <span word="only">only</span> <span word="could">could</span> <span word="one">one</span> <span word="accident">accident</span> <span word="in">in</span> <span word="a">a</span> <span word="single">single</span> <span word="nuclear">nuclear</span> <span word="power">power</span> <span word="station">station</span> <span word="spread">spread</span> <span word="as">as</span> <span word="much">much</span> <span word="radioactivity">radioactivity</span> <span word="as">as</span> <span word="a">a</span> <span word="thousand">thousand</span> <span word="Hiroshima">Hiroshima</span> <span word="atom">atom</span> <span word="bombs">bombs</span>, <span word="but">but</span> <span word="the">the</span> <span word="radioactive">radioactive</span> <span word="waste">waste</span> <span word="from">from</span> <span word="these">these</span> <span word="stations">stations</span> <span word="is">is</span> <span word="dangerousfor">dangerousfor</span> <span word="one">one</span> <span word="hundred">hundred</span> <span word="thousand">thousand</span> <span word="years">years</span>. <span word="So">So</span> <span word="is">is</span> <span word="there">there</span> <span word="no">no</span> <span word="possible">possible</span> <span word="alternative">alternative</span> <span word="to">to</span> <span word="nuclear">nuclear</span> <span word="power">power</span>?</p><p> <span word="Well">Well</span>, <span word="there">there</span> <span word="are">are</span> <span word="several">several</span>, <span word="none">none</span> <span word="of">of</span> <span word="them">them</span> <span word="seems">seems</span> <span word="likely">likely</span> <span word="to">to</span> <span word="satisfy">satisfy</span> <span word="future">future</span> <span word="world">world</span> <span word="energy">energy</span> <span word="demands">demands</span>. <span word="Scientists">Scientists</span> <span word="have">have</span> <span word="recently">recently</span> <span word="turned">turned</span> <span word="their">their</span> <span word="attention">attention</span> <span word="natural">natural</span> <span word="sources">sources</span> <span word="of">of</span> <span word="energy">energy</span>: <span word="the">the</span> <span word="sun">sun</span>, <span word="the">the</span> <span word="sea">sea</span>, <span word="the">the</span> <span word="wind">wind</span> <span word="and">and</span> <span word="hot">hot</span> <span word="springs">springs</span>. <span word="Of">Of</span> <span word="these">these</span> <span word="the">the</span> <span word="sun">sun</span> <span word="seems">seems</span> <span word="the">the</span> <span word="most">most</span> <span word="promising">promising</span> <span word="sources">sources</span> <span word="for">for</span> <span word="the">the</span> <span word="future">future</span>. <span word="Houses">Houses</span> <span word="have">have</span> <span word="already">already</span> <span word="been">been</span> <span word="built">built</span> <span word="which">which</span> <span word="are">are</span> <span word="heated">heated</span> <span word="entirely">entirely</span> <span word="by">by</span> <span word="solar">solar</span> <span word="energy">energy</span>. <span word="However">However</span>, <span word="energy">energy</span> <span word="can">can</span> <span word="only">only</span> <span word="be">be</span> <span word="collected">collected</span> <span word="during">during</span> <span word="daylight">daylight</span> <span word="hours">hours</span>, <span word="and">and</span> <span word="in">in</span> <span word="countries">countries</span> <span word="where">where</span> <span word="the">the</span> <span word="weather">weather</span> <span word="is">is</span> <span word="unreliable">unreliable</span>, <span word="an">an</span> <span word="alternative">alternative</span> <span word="heating">heating</span> <span word="system">system</span> <span word="has">has</span> <span word="to">to</span> <span word="be">be</span> <span word="included">included</span>. <span word="source">source</span> <span word="of">of</span> <span word="energy">energy</span> <span word="which">which</span> <span word="could">could</span> <span word="be">be</span> <span word="more">more</span> <span word="widely">widely</span> <span word="used">used</span> <span word="is">is</span> <span word="that">that</span> <span word="generated">generated</span> <span word="by">by</span> <span word="water">water</span> <span word="or">or</span> <span word="steam">steam</span> <span word="from">from</span> <span word="under">under</span> <span word="the">the</span> <span word="earth">earth</span>. <span word="This">This</span> <span word="form">form</span> <span word="of">of</span> <span word="energy">energy</span> <span word="is">is</span> <span word="already">already</span> <span word="being">being</span> <span word="used">used</span> <span word="in">in</span> <span word="New">New</span> <span word="Zealand">Zealand</span>, <span word="Iceland">Iceland</span>, <span word="and">and</span> <span word="very">very</span> <span word="successfully">successfully</span> <span word="in">in</span> <span word="Italy">Italy</span>, <span word="where">where</span> <span word="it">it</span> <span word="in">in</span> <span word="fact">fact</span> <span word="generates">generates</span> <span word="a">a</span> 13)<span word="of">of</span> <span word="the">the</span> <span word="nations">nations</span> <span word="electricity">electricity</span>. <span word="Many">Many</span> <span word="scientists">scientists</span> <span word="are">are</span> <span word="optimistic">optimistic</span> <span word="that">that</span> <span word="new">new</span> <span word="ways">ways</span> <span word="of">of</span> <span word="generating">generating</span> <span word="large">large</span> <span word="amounts">amounts</span> <span word="of">of</span> <span word="energy">energy</span> <span word="will">will</span> <span word="be">be</span> <span word="successfully">successfully</span> , <span word="but">but</span> <span word="at">at</span> <span word="the">the</span> <span word="same">same</span> <span word="time">time</span> <span word="they">they</span> <span word="fear">fear</span> <span word="the">the</span> <span word="consequences">consequences</span>. <span word="If">If</span> <span word="the">the</span> <span word="world">world</span> <span word="population">population</span> <span word="goes">goes</span> <span word="on">on</span> <span word="increasing">increasing</span> <span word="at">at</span> <span word="its">its</span> <span word="present">present</span> <span word="rate">rate</span>, <span word="and">and</span> <span word="each">each</span> <span word="individual">individual</span> <span word="continues">continues</span> <span word="to">to</span> <span word="use">use</span> <span word="more">more</span> <span word="energy">energy</span> <span word="every">every</span> <span word="year">year</span>, <span word="in">in</span> <span word="fifty">fifty</span> <span word="years">years</span> <span word="time">time</span>, <span word="we">we</span> <span word="would">would</span> <span word="the">the</span> <span word="earths">earths</span> <span word="atmosphere">atmosphere</span>. <span word="We">We</span> <span word="can">can</span> <span word="all">all</span> <span word="help">help</span> <span word="to">to</span> <span word="protect">protect</span> <span word="the">the</span> <span word="environment">environment</span> <span word="by">by</span> <span word="not">not</span> <span word="wasting">wasting</span> <span word="energy">energy</span>, <span word="and">and</span> <span word="make">make</span> <span word="the">the</span> <span word="world">world</span> <span word="a">a</span> <span word="cleaner">cleaner</span>, <span word="healthier">healthier</span> <span word="place">place</span> <span word="for">for</span> <span word="future">future</span> <span word="generation">generation</span>.</p>
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