2014年考研英语阅读的经典试题及答案(12)
<p> <span word="SAMPLE">SAMPLE</span> 12</p><p> [生物学类]</p><p> 题目序号</p><p> 题型归类</p><p> 第1题</p><p> 细节推导题型</p><p> 第2题</p><p> 写作手法题型</p><p> 第3题</p><p> 审题定位与中心主旨题型</p><p> 第4题</p><p> 词汇题型</p><p> 第5题</p><p> 审题定位题型</p><p> <span word="Flatfish">Flatfish</span>, <span word="such">such</span> <span word="as">as</span> <span word="the">the</span> <span word="flounder">flounder</span>, <span word="are">are</span> <span word="among">among</span> <span word="the">the</span> <span word="few">few</span> <span word="vertebrates">vertebrates</span> <span word="that">that</span> <span word="lackapproximate">lackapproximate</span> <span word="bilateral">bilateral</span> <span word="symmetry">symmetry</span> . <span word="Most">Most</span> <span word="striking">striking</span> <span word="among">among</span> <span word="the">the</span> <span word="many">many</span> <span word="asymmetriesevident">asymmetriesevident</span> <span word="in">in</span> <span word="an">an</span> <span word="adult">adult</span> <span word="flatfish">flatfish</span> <span word="is">is</span> <span word="eye">eye</span> <span word="placement">placement</span>: <span word="before">before</span> <span word="maturity">maturity</span> <span word="one">one</span> <span word="eyemigrates">eyemigrates</span>, <span word="so">so</span> <span word="that">that</span> <span word="in">in</span> <span word="an">an</span> <span word="adult">adult</span> <span word="flatfish">flatfish</span> <span word="both">both</span> <span word="eyes">eyes</span> <span word="are">are</span> <span word="on">on</span> <span word="the">the</span> <span word="same">same</span> <span word="side">side</span> <span word="of">of</span> <span word="thehead">thehead</span>. <span word="While">While</span> <span word="in">in</span> <span word="most">most</span> <span word="species">species</span> <span word="with">with</span> <span word="asymmetries">asymmetries</span> <span word="virtually">virtually</span> <span word="all">all</span> <span word="adults">adults</span> <span word="share">share</span> <span word="thesame">thesame</span> <span word="asymmetry">asymmetry</span>, <span word="members">members</span> <span word="of">of</span> <span word="the">the</span> <span word="starry">starry</span> <span word="flounder">flounder</span> <span word="species">species</span> <span word="can">can</span> <span word="be">be</span> <span word="either">either</span> <span word="left">left</span>-<span word="eyed">eyed</span> <span word="or">or</span> <span word="right">right</span>-<span word="eyed">eyed</span>. <span word="In">In</span> <span word="the">the</span> <span word="waters">waters</span> <span word="between">between</span> <span word="theUnited">theUnited</span> <span word="States">States</span> <span word="and">and</span> <span word="Japan">Japan</span>, <span word="the">the</span> <span word="starry">starry</span> <span word="flounder">flounder</span> <span word="populations">populations</span> <span word="vary">vary</span> <span word="from">from</span> <span word="about">about</span> 50<span word="percent">percent</span> <span word="left">left</span>-<span word="eyed">eyed</span> <span word="off">off</span> <span word="the">the</span> <span word="United">United</span> <span word="States">States</span> <span word="West">West</span> <span word="Coast">Coast</span>, <span word="through">through</span> <span word="about">about</span> 70 <span word="percentleft">percentleft</span>-<span word="eyed">eyed</span> <span word="halfway">halfway</span> <span word="between">between</span> <span word="the">the</span> <span word="United">United</span> <span word="States">States</span> <span word="and">and</span> <span word="Japan">Japan</span>, <span word="to">to</span> <span word="nearly">nearly</span> 100 <span word="percentleft">percentleft</span>-<span word="eyed">eyed</span> <span word="off">off</span> <span word="the">the</span> <span word="Japanese">Japanese</span> <span word="coast">coast</span>.</p><p> <span word="Biologists">Biologists</span> <span word="call">call</span> <span word="this">this</span> <span word="kind">kind</span> <span word="of">of</span> <span word="gradual">gradual</span> <span word="variation">variation</span> <span word="over">over</span> <span word="a">a</span> <span word="certain">certain</span> <span word="geographicrange">geographicrange</span> <span word="a">a</span> <span word="cline">cline</span> <span word="and">and</span> <span word="interpret">interpret</span> <span word="clines">clines</span> <span word="as">as</span> <span word="strong">strong</span> <span word="indications">indications</span> <span word="that">that</span> <span word="the">the</span> <span word="variation">variation</span> <span word="isadaptive">isadaptive</span>, <span word="a">a</span> <span word="response">response</span> <span word="to">to</span> <span word="environmental">environmental</span> <span word="differences">differences</span>. <span word="For">For</span> <span word="the">the</span> <span word="starry">starry</span> <span word="flounder">flounder</span> <span word="thisinterpretation">thisinterpretation</span> <span word="implies">implies</span> <span word="that">that</span> <span word="a">a</span> <span word="geometric">geometric</span> <span word="difference">difference</span> <span word="is">is</span> <span word="adaptive">adaptive</span>, <span word="that">that</span> <span word="left">left</span>-<span word="eyedness">eyedness</span> <span word="in">in</span> <span word="the">the</span> <span word="Japanesestarry">Japanesestarry</span> <span word="flounder">flounder</span> <span word="has">has</span> <span word="been">been</span> <span word="selected">selected</span> <span word="for">for</span>, <span word="which">which</span> <span word="provokes">provokes</span> <span word="a">a</span> <span word="perplexing">perplexing</span> <span word="question">question</span>:<span word="what">what</span> <span word="is">is</span> <span word="the">the</span> <span word="selective">selective</span> <span word="advantage">advantage</span> <span word="in">in</span> <span word="having">having</span> <span word="both">both</span> <span word="eyes">eyes</span> <span word="on">on</span> <span word="one">one</span> <span word="side">side</span> <span word="rather">rather</span> <span word="than">than</span> <span word="onthe">onthe</span> <span word="other">other</span>?</p>
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