【高考领航】2017届高考英语二复习限时规范练：13（含解析）
<p> 训练13 阅读理解＋阅读填空＋完形填空＋短文改错(建议用时40分钟)Ⅰ.阅读理解(自然环境保护工作者) <span word="are">are</span> <span word="unveiling">unveiling</span> <span word="their">their</span> 12 <span word="trees">trees</span> <span word="of">of</span> <span word="Christmasation">Christmasation</span> <span word="confronting">confronting</span> <span word="some">some</span> <span word="of">of</span> <span word="the">the</span> <span word="world">world</span>'<span word="s">s</span> <span word="threatened">threatened</span> <span word="conifers">conifers</span>(针叶树)．<span word="As">As</span> <span word="decorated">decorated</span> <span word="trees">trees</span> <span word="take">take</span> <span word="centre">centre</span> <span word="stage">stage</span> <span word="in">in</span> <span word="many">many</span> <span word="homes">homes</span> <span word="over">over</span> <span word="the">the</span> <span word="festive">festive</span> <span word="periodthe">periodthe</span> <span word="world">world</span> <span word="are">are</span> <span word="thought">thought</span> <span word="to">to</span> <span word="be">be</span> <span word="threatened">threatened</span> <span word="with">with</span> <span word="extinction">extinction</span> <span word="unless">unless</span> <span word="immediate">immediate</span> <span word="action">action</span> <span word="is">is</span> <span word="taken">taken</span>.<span word="The">The</span> <span word="social">social</span> <span word="media">media</span> <span word="event">event</span> <span word="is">is</span> <span word="being">being</span> <span word="run">run</span> <span word="by">by</span> <span word="the">the</span> <span word="Global">Global</span> <span word="Trees">Trees</span> <span word="Campaign">Campaign</span>.<span word="On">On</span> <span word="each">each</span> <span word="of">of</span> <span word="the">the</span> 12 <span word="days">days</span> <span word="until">until</span> <span word="Christmas">Christmas</span> <span word="Eve">Eve</span> <span word="on">on</span> 24 <span word="December">December</span>，<span word="the">the</span> <span word="Global">Global</span> <span word="Trees">Trees</span> <span word="Campaign">Campaign</span>，<span word="a">a</span> <span word="partnership">partnership</span> <span word="between">between</span> <span word="Botanic">Botanic</span> <span word="Gardens">Gardens</span> <span word="Conservation">Conservation</span> <span word="International">International</span> (<span word="BGCI">BGCI</span>) <span word="and">and</span> <span word="Fauna">Fauna</span> <span word="and">and</span> <span word="Flora">Flora</span> <span word="International">International</span> (<span word="FFI">FFI</span>)，<span word="is">is</span> <span word="publishing">publishing</span> <span word="details">details</span> <span word="of">of</span> <span word="a">a</span> <span word="threatened">threatened</span> <span word="tree">tree</span> <span word="species">species</span> <span word="on">on</span> <span word="social">social</span> <span word="media">media</span>.“<span word="Given">Given</span> <span word="that">that</span> <span word="it">it</span> <span word="is">is</span> <span word="Christmas">Christmas</span> <span word="and">and</span> <span word="everyone">everyone</span> <span word="is">is</span> <span word="bringing">bringing</span> <span word="conifers">conifers</span> <span word="into">into</span> <span word="their">their</span> <span word="houses">houses</span>，<span word="we">we</span> <span word="think">think</span> <span word="that">that</span> <span word="it">it</span> <span word="is">is</span> <span word="good">good</span> <span word="to">to</span> <span word="highlight">highlight</span> <span word="some">some</span> <span word="of">of</span> <span word="the">the</span> <span word="other">other</span> <span word="conifer">conifer</span> <span word="species">species</span> <span word="that">that</span> <span word="are">are</span> <span word="not">not</span> <span word="doing">doing</span> <span word="so">so</span> <span word="well">well</span> <span word="at">at</span> <span word="the">the</span> <span word="moment">moment</span>，” <span word="explained">explained</span> <span word="Emily">Emily</span> <span word="Beech">Beech</span>，<span word="BGCI">BGCI</span> <span word="conservation">conservation</span> <span word="assistant">assistant</span>.</p><p> <span word="The">The</span> <span word="development">development</span> <span word="of">of</span> <span word="the">the</span> <span word="global">global</span> <span word="trade">trade</span> <span word="in">in</span> <span word="plants">plants</span>，<span word="and">and</span> <span word="the">the</span> <span word="demand">demand</span> <span word="over">over</span> <span word="the">the</span> <span word="centuries">centuries</span> <span word="from">from</span> <span word="wealthy">wealthy</span> <span word="families">families</span> <span word="to">to</span> <span word="plant">plant</span> <span word="exotic">exotic</span> <span word="tree">tree</span> <span word="species">species</span> <span word="on">on</span> <span word="their">their</span> <span word="land">land</span>，<span word="mean">mean</span> <span word="that">that</span> 80% <span word="of">of</span> <span word="the">the</span> <span word="conifers">conifers</span> <span word="listed">listed</span> <span word="as">as</span> <span word="threatened">threatened</span> <span word="are">are</span> <span word="found">found</span> <span word="in">in</span> <span word="collections">collections</span> <span word="around">around</span> <span word="the">the</span> <span word="world">world</span>.<span word="However">However</span>，<span word="these">these</span> <span word="specimens">specimens</span>(样本) <span word="are">are</span> <span word="unlikely">unlikely</span> <span word="to">to</span> <span word="be">be</span> <span word="enough">enough</span> <span word="to">to</span> <span word="ensure">ensure</span> <span word="the">the</span> <span word="long">long</span><span word="term">term</span> <span word="survival">survival</span> <span word="of">of</span> <span word="these">these</span> <span word="species">species</span>. <span word="is">is</span> <span word="that">that</span> <span word="a">a</span> <span word="lot">lot</span> <span word="of">of</span> <span word="the">the</span> <span word="specimens">specimens</span> <span word="that">that</span> <span word="are">are</span> <span word="in">in</span> <span word="botanical">botanical</span> <span word="gardens">gardens</span> <span word="or">or</span> <span word="are">are</span> <span word="in">in</span> <span word="people">people</span>'<span word="s">s</span> <span word="back">back</span> <span word="gardens">gardens</span> <span word="do">do</span> <span word="not">not</span> <span word="have">have</span> <span word="the">the</span> <span word="genetic">genetic</span> <span word="range">range</span>; <span word="they">they</span> <span word="are">are</span> <span word="sourced">sourced</span> <span word="from">from</span> <span word="the">the</span> <span word="same">same</span> <span word="trees">trees</span>，” <span word="Ms">Ms</span> <span word="Beech">Beech</span> <span word="told">told</span> <span word="BBC">BBC</span> <span word="News">News</span>.“<span word="As">As</span> <span word="they">they</span> <span word="do">do</span> <span word="not">not</span> <span word="have">have</span> <span word="the">the</span> <span word="genetic">genetic</span> <span word="diversity">diversity</span>，<span word="they">they</span> <span word="cannot">cannot</span> <span word="be">be</span> <span word="reintroduced">reintroduced</span> <span word="back">back</span> <span word="into">into</span> <span word="the">the</span> <span word="wild">wild</span>.<span word="So">So</span> <span word="if">if</span> <span word="they">they</span> <span word="disappear">disappear</span>，<span word="then">then</span> <span word="there">there</span> <span word="will">will</span> <span word="be">be</span> <span word="limited">limited</span> <span word="genetic">genetic</span> <span word="resources">resources</span> <span word="to">to</span> <span word="put">put</span> <span word="them">them</span> <span word="back">back</span> <span word="again">again</span>.”</p>
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