2016届高考英语二轮复习攻关篇专题训练：题型1 阅读理解2.2.5（新课标全国通用）
<p> 专题五 生态环保类</p><p> 专项强化·训练</p><p> <span word="A">A</span></p><p> (2015南昌一模)</p><p> <span word="Even">Even</span> <span word="if">if</span> <span word="trees">trees</span> <span word="cannot">cannot</span> <span word="walk">walk</span>,<span word="they">they</span> <span word="are">are</span> <span word="still">still</span> <span word="on">on</span> <span word="the">the</span> <span word="move">move</span>.</p><p> <span word="In">In</span> <span word="parts">parts</span> <span word="of">of</span> <span word="the">the</span> <span word="Arctic">Arctic</span>,<span word="entire">entire</span> <span word="forests">forests</span> <span word="are">are</span> <span word="moving">moving</span> <span word="northward">northward</span>.<span word="Across">Across</span> <span word="the">the</span> <span word="Arctic">Arctic</span>,<span word="temperatures">temperatures</span> <span word="are">are</span> <span word="rising">rising</span> <span word="faster">faster</span> <span word="than">than</span> <span word="anywhere">anywhere</span> <span word="else">else</span> <span word="in">in</span> <span word="the">the</span> <span word="world">world</span>.<span word="As">As</span> <span word="that">that</span> <span word="happens">happens</span>,<span word="the">the</span> <span word="tree">tree</span> <span word="line">line</span> <span word="that">that</span> <span word="marks">marks</span> <span word="where">where</span> <span word="forests">forests</span> <span word="stop">stop</span> <span word="and">and</span> <span word="the">the</span> <span word="treeless">treeless</span> <span word="tundra">tundra</span>(冻原)<span word="starts">starts</span> <span word="has">has</span> <span word="been">been</span> <span word="shifting">shifting</span> <span word="northward">northward</span>.<span word="Trees">Trees</span> <span word="growing">growing</span> <span word="along">along</span> <span word="the">the</span> <span word="tree">tree</span> <span word="line">line</span> <span word="must">must</span> <span word="protect">protect</span> <span word="themselves">themselves</span> <span word="from">from</span> <span word="the">the</span> <span word="cold">cold</span> <span word="wind">wind</span>.<span word="To">To</span> <span word="do">do</span> <span word="this">this</span>,<span word="plants">plants</span> <span word="tend">tend</span> <span word="to">to</span> <span word="grow">grow</span> <span word="horizontal">horizontal</span>(水平的)<span word="branches">branches</span> <span word="low">low</span> <span word="to">to</span> <span word="the">the</span> <span word="ground">ground</span>.<span word="The">The</span> <span word="energy">energy</span> <span word="it">it</span> <span word="takes">takes</span> <span word="for">for</span> <span word="trees">trees</span> <span word="to">to</span> <span word="grow">grow</span> <span word="this">this</span> <span word="way">way</span> <span word="means">means</span> <span word="they">they</span> <span word="don">don</span>’<span word="t">t</span> <span word="have">have</span> <span word="enough">enough</span> <span word="energy">energy</span> <span word="to">to</span> <span word="make">make</span> <span word="seeds">seeds</span>.</p><p> <span word="But">But</span> <span word="as">as</span> <span word="Earth">Earth</span>’<span word="s">s</span> <span word="climate">climate</span> <span word="has">has</span> <span word="been">been</span> <span word="warming">warming</span>,<span word="trees">trees</span> <span word="no">no</span> <span word="longer">longer</span> <span word="have">have</span> <span word="to">to</span> <span word="just">just</span> <span word="grow">grow</span> <span word="horizontally">horizontally</span>.<span word="Many">Many</span> <span word="can">can</span> <span word="instead">instead</span> <span word="grow">grow</span> <span word="up">up</span> <span word="toward">toward</span> <span word="the">the</span> <span word="sky">sky</span>.<span word="This">This</span> <span word="takes">takes</span> <span word="less">less</span> <span word="energy">energy</span>.<span word="And">And</span> <span word="with">with</span> <span word="all">all</span> <span word="that">that</span> <span word="leftover">leftover</span> <span word="energy">energy</span>,<span word="these">these</span> <span word="trees">trees</span> <span word="have">have</span> <span word="started">started</span> <span word="producing">producing</span> <span word="more">more</span> <span word="seeds">seeds</span>.<span word="This">This</span> <span word="happens">happens</span> <span word="especially">especially</span> <span word="in">in</span> <span word="places">places</span> <span word="where">where</span> <span word="white">white</span> <span word="spruce">spruce</span>(白云杉)<span word="grows">grows</span>.</p><p> <span word="White">White</span> <span word="spruce">spruce</span>,<span word="which">which</span> <span word="is">is</span> <span word="a">a</span> <span word="North">North</span> <span word="American">American</span> <span word="tree">tree</span>,<span word="is">is</span> <span word="quite">quite</span> <span word="able">able</span> <span word="to">to</span> <span word="produce">produce</span> <span word="a">a</span> <span word="lot">lot</span> <span word="of">of</span> <span word="seeds">seeds</span>,<span word="which">which</span> <span word="can">can</span> <span word="move">move</span> <span word="long">long</span> <span word="distances">distances</span> <span word="in">in</span> <span word="the">the</span> <span word="wind">wind</span>.<span word="When">When</span> <span word="wind">wind</span>-<span word="blown">blown</span> <span word="seeds">seeds</span> <span word="end">end</span> <span word="up">up</span> <span word="on">on</span> <span word="the">the</span> <span word="tundra">tundra</span> <span word="beyond">beyond</span> <span word="the">the</span> <span word="tree">tree</span> <span word="line">line</span>,<span word="they">they</span> <span word="eventually">eventually</span> <span word="can">can</span> <span word="sprout">sprout</span>(发芽)<span word="new">new</span> <span word="trees">trees</span>.<span word="This">This</span> <span word="explains">explains</span> <span word="how">how</span> <span word="a">a</span> <span word="forest">forest</span> <span word="can">can</span> <span word="move">move</span>.<span word="Of">Of</span> <span word="course">course</span>,<span word="the">the</span> <span word="process">process</span> <span word="would">would</span> <span word="work">work</span> <span word="only">only</span> <span word="if">if</span> <span word="the">the</span> <span word="tundra">tundra</span> <span word="were">were</span> <span word="warm">warm</span> <span word="enough">enough</span>.<span word="But">But</span> <span word="in">in</span> <span word="recent">recent</span> <span word="years">years</span>,<span word="the">the</span> <span word="whole">whole</span> <span word="planet">planet</span> <span word="has">has</span> <span word="been">been</span> <span word="warming">warming</span>.</p><p> <span word="New">New</span> <span word="trees">trees</span> <span word="will">will</span> <span word="provide">provide</span> <span word="shelters">shelters</span> <span word="for">for</span> <span word="some">some</span> <span word="snow">snow</span>,<span word="keeping">keeping</span> <span word="the">the</span> <span word="sun">sun</span>’<span word="s">s</span> <span word="rays">rays</span> <span word="from">from</span> <span word="making">making</span> <span word="the">the</span> <span word="white">white</span> <span word="surface">surface</span> <span word="disappear">disappear</span>.<span word="Instead">Instead</span>,<span word="the">the</span> <span word="trees">trees</span> <span word="absorb">absorb</span> <span word="the">the</span> <span word="sun">sun</span>’<span word="s">s</span> <span word="heat">heat</span>.<span word="This">This</span> <span word="warms">warms</span> <span word="the">the</span> <span word="surrounding">surrounding</span> <span word="air">air</span>.<span word="The">The</span> <span word="extra">extra</span> <span word="warmth">warmth</span> <span word="encourages">encourages</span> <span word="even">even</span> <span word="more">more</span> <span word="trees">trees</span> <span word="to">to</span> <span word="produce">produce</span> <span word="seeds">seeds</span>.<span word="That">That</span> <span word="further">further</span> <span word="boosts">boosts</span> <span word="a">a</span> <span word="forest">forest</span>’<span word="s">s</span> <span word="ability">ability</span> <span word="to">to</span> <span word="expand">expand</span>.<span word="In">In</span> <span word="addition">addition</span>,<span word="more">more</span> <span word="trees">trees</span> <span word="will">will</span> <span word="trap">trap</span> <span word="more">more</span> <span word="snow">snow</span>,<span word="preventing">preventing</span> <span word="much">much</span> <span word="of">of</span> <span word="it">it</span> <span word="from">from</span> <span word="being">being</span> <span word="blown">blown</span> <span word="away">away</span>.<span word="Snow">Snow</span> <span word="can">can</span> <span word="trap">trap</span> <span word="heat">heat</span> <span word="in">in</span> <span word="the">the</span> <span word="soil">soil</span> <span word="below">below</span>,<span word="which">which</span> <span word="encourages">encourages</span> <span word="trees">trees</span> <span word="to">to</span> <span word="grow">grow</span>.<span word="The">The</span> <span word="recent">recent</span> <span word="rise">rise</span> <span word="of">of</span> <span word="temperatures">temperatures</span> <span word="has">has</span> <span word="helped">helped</span> <span word="more">more</span> <span word="trees">trees</span> <span word="grow">grow</span> <span word="past">past</span> <span word="the">the</span> <span word="tree">tree</span> <span word="line">line</span>.<span word="People">People</span> <span word="worry">worry</span> <span word="about">about</span> <span word="impacts">impacts</span> <span word="on">on</span> <span word="the">the</span> <span word="animals">animals</span> <span word="that">that</span> <span word="depend">depend</span> <span word="on">on</span> <span word="frozen">frozen</span> <span word="conditions">conditions</span> <span word="for">for</span> <span word="food">food</span> <span word="and">and</span> <span word="shelter">shelter</span>.</p>
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