2013年GMAT逻辑推理模拟训练（23）
<p> 25 <span word="Minutes">Minutes</span> 16 <span word="Questions">Questions</span></p><p> 1. <span word="The">The</span> <span word="chanterelle">chanterelle</span>, <span word="a">a</span> <span word="type">type</span> <span word="of">of</span> <span word="wild">wild</span> <span word="mushroom">mushroom</span>, <span word="grows">grows</span> <span word="beneath">beneath</span> <span word="host">host</span> <span word="trees">trees</span> <span word="such">such</span> <span word="as">as</span> <span word="the">the</span> <span word="Douglas">Douglas</span> <span word="fir">fir</span>, <span word="which">which</span> <span word="provide">provide</span> <span word="it">it</span> <span word="with">with</span> <span word="necessary">necessary</span> <span word="sugars">sugars</span>. <span word="The">The</span> <span word="underground">underground</span> <span word="filaments">filaments</span> <span word="of">of</span> <span word="chanterelles">chanterelles</span>, <span word="which">which</span> <span word="extract">extract</span> <span word="the">the</span> <span word="sugars">sugars</span>, <span word="in">in</span> <span word="turn">turn</span> <span word="provide">provide</span> <span word="nutrients">nutrients</span> <span word="and">and</span> <span word="water">water</span> <span word="for">for</span> <span word="their">their</span> <span word="hosts">hosts</span>. <span word="Because">Because</span> <span word="of">of</span> <span word="this">this</span> <span word="mutually">mutually</span> <span word="beneficial">beneficial</span> <span word="relationship">relationship</span>, <span word="harvesting">harvesting</span> <span word="the">the</span> <span word="chanterelles">chanterelles</span> <span word="growing">growing</span> <span word="beneath">beneath</span> <span word="a">a</span> <span word="Douglas">Douglas</span> <span word="fir">fir</span> <span word="seriously">seriously</span> <span word="endangers">endangers</span> <span word="the">the</span> <span word="tree">tree</span>.</p><p> <span word="Which">Which</span> <span word="of">of</span> <span word="the">the</span> <span word="following">following</span>, <span word="if">if</span> <span word="true">true</span>, <span word="casts">casts</span> <span word="the">the</span> <span word="most">most</span> <span word="doubt">doubt</span> <span word="on">on</span> <span word="the">the</span> <span word="conclusion">conclusion</span> <span word="drawn">drawn</span> <span word="above">above</span>?</p><p> (<span word="A">A</span>) <span word="The">The</span> <span word="number">number</span> <span word="of">of</span> <span word="wild">wild</span> <span word="mushrooms">mushrooms</span> <span word="harvested">harvested</span> <span word="has">has</span> <span word="increased">increased</span> <span word="in">in</span> <span word="recent">recent</span> <span word="years">years</span>.</p><p> (<span word="B">B</span>) <span word="Chanterelles">Chanterelles</span> <span word="grow">grow</span> <span word="not">not</span> <span word="only">only</span> <span word="beneath">beneath</span> <span word="Douglas">Douglas</span> <span word="firs">firs</span> <span word="but">but</span> <span word="also">also</span> <span word="beneath">beneath</span> <span word="other">other</span> <span word="host">host</span> <span word="trees">trees</span>.</p><p> (<span word="C">C</span>) <span word="Many">Many</span> <span word="types">types</span> <span word="of">of</span> <span word="wild">wild</span> <span word="mushrooms">mushrooms</span> <span word="are">are</span> <span word="found">found</span> <span word="only">only</span> <span word="in">in</span> <span word="forests">forests</span> <span word="and">and</span> <span word="cannot">cannot</span> <span word="easily">easily</span> <span word="be">be</span> <span word="grown">grown</span> <span word="elsewhere">elsewhere</span>.</p><p> (<span word="D">D</span>) <span word="The">The</span> <span word="harvesting">harvesting</span> <span word="of">of</span> <span word="wild">wild</span> <span word="mushrooms">mushrooms</span> <span word="stimulates">stimulates</span> <span word="future">future</span> <span word="growth">growth</span> <span word="of">of</span> <span word="those">those</span> <span word="mushrooms">mushrooms</span>.(<span word="D">D</span>)</p><p> (<span word="E">E</span>) <span word="Young">Young</span> <span word="Douglas">Douglas</span> <span word="fir">fir</span> <span word="seedlings">seedlings</span> <span word="die">die</span> <span word="without">without</span> <span word="the">the</span> <span word="nutrients">nutrients</span> <span word="and">and</span> <span word="water">water</span> <span word="provided">provided</span> <span word="by">by</span> <span word="chanterelle">chanterelle</span> <span word="filaments">filaments</span>.</p><p> 2. <span word="The">The</span> <span word="reason">reason</span> <span word="much">much</span> <span word="refrigerated">refrigerated</span> <span word="food">food</span> <span word="spoils">spoils</span> <span word="is">is</span> <span word="that">that</span> <span word="it">it</span> <span word="ends">ends</span> <span word="up">up</span> <span word="out">out</span> <span word="of">of</span> <span word="sight">sight</span> <span word="at">at</span> <span word="the">the</span> <span word="back">back</span> <span word="of">of</span> <span word="the">the</span> <span word="shelf">shelf</span>. <span word="So">So</span> <span word="why">why</span> <span word="not">not</span> <span word="have">have</span> <span word="round">round</span> <span word="shelves">shelves</span> <span word="that">that</span> <span word="rotate">rotate</span>? <span word="Because">Because</span> <span word="such">such</span> <span word="rotating">rotating</span> <span word="shelves">shelves</span> <span word="would">would</span> <span word="have">have</span> <span word="just">just</span> <span word="the">the</span> <span word="same">same</span> <span word="sort">sort</span> <span word="of">of</span> <span word="drawback">drawback</span>, <span word="since">since</span> <span word="things">things</span> <span word="would">would</span> <span word="fall">fall</span> <span word="off">off</span> <span word="the">the</span> <span word="shelves">shelves</span>’ <span word="edges">edges</span> <span word="into">into</span> <span word="the">the</span> <span word="rear">rear</span> <span word="corners">corners</span>.</p><p> <span word="Which">Which</span> <span word="of">of</span> <span word="the">the</span> <span word="following">following</span> <span word="is">is</span> <span word="presupposed">presupposed</span> <span word="in">in</span> <span word="the">the</span> <span word="argument">argument</span> <span word="against">against</span> <span word="introducing">introducing</span> <span word="rotating">rotating</span> <span word="shelves">shelves</span>?</p>
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