2015考研英语阅读八字足而非平足
<p> <span word="Splay">Splay</span>-<span word="footed">footed</span>, <span word="not">not</span> <span word="flat">flat</span>-<span word="footed">footed</span></p><p> 八字足，而非平足</p><p> <span word="A">A</span> <span word="new">new</span> <span word="fossil">fossil</span> <span word="shows">shows</span> <span word="that">that</span> <span word="evolution">evolution</span> <span word="does">does</span> <span word="not">not</span> <span word="alwaysmean">alwaysmean</span> <span word="change">change</span></p><p> 一个新的化石表明：进化并不总是意味着改变</p><p> <span word="Then">Then</span> <span word="and">and</span> <span word="now">now</span></p><p> 过去与现在</p><p> <span word="WHEN">WHEN</span> <span word="a">a</span> <span word="coelacanth">coelacanth</span>, <span word="a">a</span> <span word="type">type</span> <span word="of">of</span> <span word="lobe">lobe</span>-<span word="finned">finned</span> <span word="fish">fish</span> <span word="once">once</span> <span word="considered">considered</span> <span word="the">the</span> <span word="missing">missing</span> <span word="link">link</span> <span word="between">between</span> <span word="fishand">fishand</span> <span word="amphibians">amphibians</span>, <span word="was">was</span> <span word="found">found</span> <span word="off">off</span> <span word="the">the</span> <span word="coast">coast</span> <span word="of">of</span> <span word="South">South</span> <span word="Africa">Africa</span> <span word="in">in</span> 1938, <span word="it">it</span> <span word="came">came</span> <span word="as">as</span> <span word="a">a</span> <span word="shock">shock</span> <span word="topalaeontologists">topalaeontologists</span>.</p><p> 以前人们一度认为一种叫做腔棘鱼的鳍鱼是鱼类和两栖类之间缺少的环节，1938年当腔棘鱼在南非海岸沿海被发现时，古生物学家对它的出现大感震惊。</p><p> <span word="Until">Until</span> <span word="then">then</span>, <span word="the">the</span> <span word="most">most</span> <span word="recent">recent</span> <span word="traces">traces</span> <span word="ofsuch">ofsuch</span> <span word="a">a</span> <span word="creature">creature</span> <span word="had">had</span> <span word="been">been</span> <span word="in">in</span> <span word="rocks">rocks</span> <span word="dating">dating</span> <span word="from">from</span> <span word="the">the</span> <span word="last">last</span> <span word="days">days</span> <span word="of">of</span> <span word="the">the</span> <span word="dinosaurs">dinosaurs</span>, 65<span word="m">m</span> <span word="yearsago">yearsago</span>.</p><p> 在此之前，这种动物最近的遗迹出现在6500万年前恐龙时代后期的岩层中。</p><p> <span word="It">It</span> <span word="was">was</span>, <span word="in">in</span> <span word="its">its</span> <span word="way">way</span>, <span word="as">as</span> <span word="surprising">surprising</span> <span word="as">as</span> <span word="if">if</span> <span word="a">a</span> <span word="live">live</span> <span word="Tyrannosaurus">Tyrannosaurus</span> <span word="had">had</span> <span word="been">been</span> <span word="found">found</span> <span word="hiding">hiding</span> <span word="in">in</span> <span word="anobscure">anobscure</span> <span word="part">part</span> <span word="of">of</span> <span word="Montana">Montana</span>.</p><p> 而它这次的出现方式，就好像一个活生生的霸王龙属被发现藏身在蒙大拿州的模糊地带一样令人惊讶。</p><p> <span word="Now">Now</span> <span word="the">the</span> <span word="same">same</span> <span word="experience">experience</span> <span word="is">is</span> <span word="hitting">hitting</span> <span word="palaeontologists">palaeontologists</span> <span word="againbut">againbut</span> <span word="this">this</span> <span word="time">time</span> <span word="in">in</span> <span word="reverse">reverse</span>.<span word="Instead">Instead</span> <span word="of">of</span> <span word="finding">finding</span> <span word="a">a</span> <span word="living">living</span> <span word="fossil">fossil</span> <span word="identical">identical</span> <span word="to">to</span> <span word="an">an</span> <span word="ancient">ancient</span> <span word="beast">beast</span>, <span word="they">they</span> <span word="have">have</span> <span word="found">found</span> <span word="a">a</span> <span word="real">real</span> <span word="fossilidentical">fossilidentical</span> <span word="to">to</span> <span word="a">a</span> <span word="modern">modern</span> <span word="one">one</span>.</p>
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