2015职称英语考试理工类基础练习之阅读理解(4)
<p> <span word="Energy">Energy</span> <span word="and">and</span> <span word="Public">Public</span> <span word="Lands">Lands</span></p><p> <span word="In">In</span> 2000, 32 <span word="percent">percent</span> <span word="of">of</span> <span word="US">US</span> <span word="oil">oil</span>, 35 <span word="percent">percent</span> <span word="of">of</span> <span word="natural">natural</span> <span word="gas">gas</span>, <span word="and">and</span> 37 <span word="percent">percent</span> <span word="of">of</span> <span word="coal">coal</span> <span word="were">were</span> <span word="produced">produced</span> <span word="from">from</span> <span word="federal">federal</span> <span word="lands">lands</span>, <span word="representing">representing</span> 20,000 <span word="producing">producing</span> <span word="oil">oil</span> <span word="and">and</span> <span word="gas">gas</span> <span word="leases">leases</span> <span word="and">and</span> 135 <span word="producing">producing</span> <span word="coal">coal</span> <span word="leases">leases</span>. <span word="Federal">Federal</span> <span word="lands">lands</span> <span word="are">are</span> <span word="also">also</span> <span word="estimated">estimated</span> <span word="to">to</span> <span word="contain">contain</span> <span word="approximately">approximately</span> 68 <span word="percent">percent</span> <span word="of">of</span> <span word="all">all</span> <span word="undiscovered">undiscovered</span> <span word="US">US</span> <span word="oil">oil</span> <span word="reserves">reserves</span> <span word="and">and</span> 74 <span word="percent">percent</span> <span word="of">of</span> <span word="undiscovered">undiscovered</span> <span word="natural">natural</span> <span word="gas">gas</span>.</p><p> <span word="Alternative">Alternative</span> <span word="energy">energy</span> <span word="production">production</span> <span word="from">from</span> <span word="federal">federal</span> <span word="lands">lands</span> <span word="falls">falls</span> <span word="behind">behind</span> <span word="conventional">conventional</span> <span word="energy">energy</span> <span word="production">production</span>, <span word="though">though</span> <span word="the">the</span> <span word="amount">amount</span> <span word="is">is</span> <span word="still">still</span> <span word="significant">significant</span>. <span word="For">For</span> <span word="example">example</span>, <span word="federal">federal</span> <span word="geothermal">geothermal</span> <span word="resources">resources</span> <span word="produce">produce</span> <span word="about">about</span> 7.5 <span word="billion">billion</span> <span word="kilowatt">kilowatt</span>-<span word="hours">hours</span> <span word="of">of</span> <span word="electricity">electricity</span> <span word="per">per</span> <span word="year">year</span>, 47 <span word="percent">percent</span> <span word="of">of</span> <span word="all">all</span> <span word="electricity">electricity</span> <span word="generated">generated</span> <span word="from">from</span> <span word="US">US</span> <span word="geothermal">geothermal</span> <span word="energy">energy</span>. <span word="There">There</span> <span word="are">are</span> 2,960 <span word="wind">wind</span> <span word="turbines">turbines</span> <span word="on">on</span> <span word="public">public</span> <span word="lands">lands</span> <span word="in">in</span> <span word="California">California</span> <span word="alone">alone</span>, <span word="producing">producing</span> <span word="electricity">electricity</span> <span word="for">for</span> <span word="about">about</span> 300,000 <span word="people">people</span>. <span word="Federal">Federal</span> <span word="hydropower">hydropower</span> <span word="facilities">facilities</span> <span word="produce">produce</span> <span word="about">about</span> 17 <span word="percent">percent</span> <span word="of">of</span> <span word="all">all</span> <span word="hydropower">hydropower</span> <span word="produced">produced</span> <span word="in">in</span> <span word="the">the</span> <span word="United">United</span> <span word="States">States</span>.</p><p> 41 <span word="What">What</span> <span word="is">is</span> <span word="the">the</span> <span word="main">main</span> <span word="idea">idea</span> <span word="of">of</span> <span word="this">this</span> <span word="passage">passage</span>?</p><p> <span word="B">B</span>. <span word="Public">Public</span> <span word="lands">lands</span> <span word="play">play</span> <span word="an">an</span> <span word="important">important</span> <span word="role">role</span> <span word="in">in</span> <span word="energy">energy</span> <span word="production">production</span>.</p><p> <span word="D">D</span>. <span word="Public">Public</span> <span word="lands">lands</span> <span word="store">store</span> <span word="huge">huge</span> <span word="energy">energy</span> <span word="resources">resources</span> <span word="for">for</span> <span word="further">further</span> <span word="development">development</span>.</p><p> <span word="Half">Half</span> <span word="of">of</span> <span word="US">US</span> <span word="energy">energy</span> <span word="is">is</span> <span word="produced">produced</span> <span word="there">there</span>.</p><p> <span word="C">C</span>. <span word="Most">Most</span> <span word="of">of</span> <span word="coal">coal</span> <span word="was">was</span> <span word="produced">produced</span> <span word="from">from</span> <span word="there">there</span> <span word="in">in</span> 2000.</p><p> 43 <span word="Geothermal">Geothermal</span> <span word="resources">resources</span>, <span word="wind">wind</span> <span word="turbines">turbines</span>, <span word="and">and</span> <span word="hydropower">hydropower</span> <span word="facilities">facilities</span> <span word="in">in</span> <span word="Paragraph">Paragraph</span> 4 <span word="are">are</span> <span word="cited">cited</span> <span word="as">as</span> <span word="examples">examples</span> <span word="to">to</span> <span word="illustrate">illustrate</span> <span word="that">that</span>_____.</p><p> <span word="B">B</span>. <span word="they">they</span> <span word="are">are</span> <span word="the">the</span> <span word="most">most</span> <span word="typical">typical</span> <span word="conventional">conventional</span> <span word="energy">energy</span> <span word="resources">resources</span> <span word="from">from</span> <span word="public">public</span> <span word="lands">lands</span>.</p>
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