职称英语理工类阅读理解文章及练习(1)
<p> <span word="Worldwide">Worldwide</span> <span word="every">every</span> <span word="day">day</span>,<span word="we">we</span> <span word="devour">devour</span> <span word="the">the</span> <span word="energy">energy</span> <span word="equivalent">equivalent</span> <span word="of">of</span> <span word="about">about</span> 200 <span word="million">million</span> <span word="barrels">barrels</span> <span word="of">of</span> <span word="oil">oil</span>.<span word="Most">Most</span> <span word="of">of</span> <span word="the">the</span> <span word="energy">energy</span> <span word="on">on</span> <span word="Earth">Earth</span> <span word="comes">comes</span> <span word="from">from</span> <span word="the">the</span> <span word="Sun">Sun</span>.<span word="In">In</span> <span word="fact">fact</span> <span word="enough">enough</span> <span word="energy">energy</span> <span word="from">from</span> <span word="the">the</span> <span word="Sun">Sun</span> <span word="hits">hits</span> <span word="the">the</span> <span word="planets">planets</span> <span word="surface">surface</span> <span word="each">each</span> <span word="minute">minute</span> <span word="to">to</span> <span word="cover">cover</span> <span word="our">our</span> <span word="needs">needs</span> <span word="for">for</span> <span word="an">an</span> <span word="entire">entire</span> <span word="year">year</span>,<span word="we">we</span> <span word="just">just</span> <span word="need">need</span> <span word="to">to</span> <span word="find">find</span> <span word="an">an</span> <span word="efficient">efficient</span> <span word="way">way</span> <span word="to">to</span> <span word="use">use</span> <span word="it">it</span>.<span word="So">So</span> <span word="far">far</span> <span word="the">the</span> <span word="energy">energy</span> <span word="in">in</span> <span word="oil">oil</span> <span word="has">has</span> <span word="been">been</span> <span word="cheaper">cheaper</span> <span word="and">and</span> <span word="easier">easier</span> <span word="to">to</span> <span word="get">get</span> <span word="at">at</span>.<span word="But">But</span> <span word="as">as</span> <span word="supplies">supplies</span> <span word="dwindle">dwindle</span>,<span word="this">this</span> <span word="will">will</span> <span word="change">change</span>,<span word="and">and</span> <span word="we">we</span> <span word="will">will</span> <span word="need">need</span> <span word="to">to</span> <span word="cure">cure</span> <span word="our">our</span> <span word="addiction">addiction</span> <span word="to">to</span> <span word="oil">oil</span>. <span word="Today">Today</span> <span word="petroleum">petroleum</span>,<span word="a">a</span> <span word="mineral">mineral</span> <span word="oil">oil</span> <span word="obtained">obtained</span> <span word="from">from</span> <span word="below">below</span> <span word="the">the</span> <span word="surface">surface</span> <span word="of">of</span> <span word="the">the</span> <span word="Earth">Earth</span> <span word="and">and</span> <span word="used">used</span> <span word="to">to</span> <span word="produce">produce</span> <span word="petrol">petrol</span>,<span word="diesel">diesel</span> <span word="oil">oil</span> <span word="and">and</span> <span word="various">various</span> <span word="other">other</span> <span word="chemical">chemical</span> <span word="substances">substances</span>,<span word="provides">provides</span> <span word="around">around</span> 40% <span word="of">of</span> <span word="the">the</span> <span word="worlds">worlds</span> <span word="energy">energy</span> <span word="needs">needs</span>,<span word="mostly">mostly</span> <span word="fuelling">fuelling</span> <span word="automobiles">automobiles</span>.<span word="The">The</span> <span word="US">US</span> <span word="consumes">consumes</span> <span word="n">n</span> <span word="quarter">quarter</span> <span word="of">of</span> <span word="all">all</span> <span word="oil">oil</span>,<span word="and">and</span> <span word="generates">generates</span> <span word="a">a</span> <span word="similar">similar</span> <span word="proportion">proportion</span> <span word="of">of</span> <span word="greenhouse">greenhouse</span> <span word="gas">gas</span> <span word="emissions">emissions</span>. <span word="Most">Most</span> <span word="experts">experts</span> <span word="predict">predict</span> <span word="we">we</span> <span word="will">will</span> <span word="exhaust">exhaust</span> <span word="easily">easily</span> <span word="accessible">accessible</span> <span word="reserves">reserves</span> <span word="within">within</span> 50 <span word="years">years</span>,<span word="though">though</span> <span word="opinions">opinions</span> <span word="and">and</span> <span word="estimates">estimates</span> <span word="vary">vary</span>.<span word="We">We</span> <span word="could">could</span> <span word="fast">fast</span> <span word="reach">reach</span> <span word="an">an</span> <span word="energy">energy</span> <span word="crisis">crisis</span> <span word="in">in</span> <span word="the">the</span> <span word="next">next</span> <span word="few">few</span> <span word="decades">decades</span>,<span word="when">when</span> <span word="demand">demand</span> <span word="exceeds">exceeds</span> <span word="supply">supply</span>.<span word="As">As</span> <span word="conventional">conventional</span> <span word="reserves">reserves</span> <span word="become">become</span> <span word="more">more</span> <span word="difficult">difficult</span> <span word="to">to</span> <span word="access">access</span>,<span word="others">others</span> <span word="such">such</span> <span word="as">as</span> <span word="oil">oil</span> <span word="shales">shales</span> <span word="and">and</span> <span word="tar">tar</span> <span word="sands">sands</span> <span word="may">may</span> <span word="be">be</span> <span word="used">used</span> <span word="instead">instead</span>.<span word="Petrol">Petrol</span> <span word="could">could</span> <span word="also">also</span> <span word="be">be</span> <span word="obtained">obtained</span> <span word="from">from</span> <span word="coal">coal</span>.</p><p> </p>
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