四六级考试阅读的备考:课堂笔记(21)
<p> <span word="Of">Of</span> <span word="course">course</span>, <span word="the">the</span> <span word="bats">bats</span> <span word="have">have</span> <span word="had">had</span> <span word="some">some</span> 50 <span word="million">million</span> <span word="years">years</span> <span word="of">of</span> <span word="evolution">evolution</span> <span word="to">to</span> <span word="refine">refine</span> <span word="their">their</span> <span word="sonar">sonar</span>. <span word="Their">Their</span> <span word="physiological">physiological</span> <span word="mechanisms">mechanisms</span> <span word="for">for</span> <span word="echo">echo</span> <span word="location">location</span>, <span word="based">based</span> <span word="on">on</span> <span word="all">all</span> <span word="this">this</span> <span word="accumulated">accumulated</span> <span word="experience">experience</span>, <span word="therefore">therefore</span> <span word="deserve">deserve</span> <span word="our">our</span> <span word="thorough">thorough</span> <span word="study">study</span> <span word="and">and</span> <span word="analysis">analysis</span>.</p><p> 注：1.<span word="refine">refine</span> 提炼、改善</p><p> 2.二段首句是对首段末句的解释</p><p> 3.50 <span word="million">million</span> <span word="years">years</span>对应的是第17小题</p><p> 17. <span word="The">The</span> <span word="author">author</span> <span word="suggests">suggests</span> <span word="that">that</span> <span word="the">the</span> <span word="sonar">sonar</span> <span word="system">system</span> <span word="of">of</span> <span word="bats">bats</span> ____</p><p> <span word="A">A</span>) <span word="was">was</span> <span word="at">at</span> <span word="the">the</span> <span word="height">height</span> <span word="of">of</span> <span word="its">its</span> <span word="perfection">perfection</span> 50 <span word="million">million</span> <span word="years">years</span> <span word="ago">ago</span></p><p> <span word="B">B</span>) <span word="is">is</span> <span word="better">better</span> <span word="than">than</span> <span word="man">man</span>-<span word="made">made</span> <span word="sonar">sonar</span> <span word="because">because</span> <span word="it">it</span> <span word="has">has</span> <span word="had">had</span> 50 <span word="million">million</span> <span word="years">years</span> <span word="to">to</span> <span word="be">be</span> <span word="be">be</span> <span word="refined">refined</span></p><p> <span word="C">C</span>) <span word="should">should</span> <span word="have">have</span> <span word="been">been</span> <span word="discovered">discovered</span> <span word="by">by</span> <span word="man">man</span> <span word="many">many</span> <span word="years">years</span> <span word="ago">ago</span></p><p> <span word="D">D</span>) <span word="is">is</span> <span word="the">the</span> <span word="same">same</span> <span word="as">as</span> <span word="it">it</span> <span word="was">was</span> 50 <span word="million">million</span> <span word="years">years</span> <span word="ago">ago</span></p><p> 注：<span word="B">B</span> 选项体现一段结尾和二段开头，应该优选，含有关系词 <span word="because">because</span>,<span word="although">although</span>,<span word="not">not</span> <span word="only">only</span>...<span word="but">but</span> <span word="also">also</span>, <span word="as">as</span> <span word="well">well</span> <span word="as">as</span> 的应该优选</p><p> <span word="To">To</span> <span word="appreciate">appreciate</span> <span word="the">the</span> <span word="precision">precision</span> <span word="of">of</span> <span word="the">the</span> <span word="bats">bats</span> <span word="echo">echo</span> <span word="location">location</span>, <span word="we">we</span> <span word="must">must</span> <span word="first">first</span> <span word="consider">consider</span> <span word="the">the</span> <span word="degree">degree</span> <span word="of">of</span> <span word="their">their</span> <span word="reliance">reliance</span> <span word="upon">upon</span> <span word="it">it</span>. <span word="Thanks">Thanks</span> <span word="to">to</span> <span word="sonar">sonar</span>, <span word="an">an</span> <span word="insect">insect</span>-<span word="eating">eating</span> <span word="bat">bat</span> <span word="can">can</span> <span word="get">get</span> <span word="along">along</span> <span word="perfectly">perfectly</span> <span word="well">well</span> <span word="without">without</span> <span word="eyesight">eyesight</span>. <span word="This">This</span> <span word="was">was</span> <span word="brilliantly">brilliantly</span> <span word="demonstrated">demonstrated</span> <span word="by">by</span> <span word="the">the</span> <span word="Italian">Italian</span> <span word="naturalist">naturalist</span> <span word="Lazzaro">Lazzaro</span> <span word="Spallanzani">Spallanzani</span>. <span word="He">He</span> <span word="caught">caught</span> <span word="some">some</span> <span word="bats">bats</span> <span word="in">in</span> <span word="a">a</span> <span word="bell">bell</span> <span word="tower">tower</span>, <span word="blinded">blinded</span> <span word="them">them</span> <span word="and">and</span> <span word="released">released</span> <span word="them">them</span> <span word="outdoors">outdoors</span>. <span word="Four">Four</span> <span word="of">of</span> <span word="these">these</span> <span word="blind">blind</span> <span word="bats">bats</span> <span word="were">were</span> <span word="recaptured">recaptured</span> <span word="after">after</span> <span word="they">they</span> <span word="had">had</span> <span word="found">found</span> <span word="their">their</span> <span word="ways">ways</span> <span word="back">back</span> <span word="to">to</span> <span word="the">the</span> <span word="bell">bell</span> <span word="tower">tower</span>, <span word="and">and</span> <span word="on">on</span> <span word="examining">examining</span> <span word="their">their</span> <span word="stomachs">stomachs</span> <span word="contents">contents</span>, <span word="Spallanxani">Spallanxani</span> <span word="found">found</span> <span word="that">that</span> <span word="they">they</span> <span word="had">had</span> <span word="been">been</span> <span word="able">able</span> <span word="to">to</span> <span word="capture">capture</span> <span word="and">and</span> <span word="eat">eat</span> <span word="flying">flying</span> <span word="insects">insects</span>. <span word="We">We</span> <span word="know">know</span> <span word="from">from</span> <span word="experiments">experiments</span> <span word="that">that</span> <span word="bats">bats</span> <span word="easily">easily</span> <span word="find">find</span> <span word="insects">insects</span> <span word="in">in</span> <span word="the">the</span> <span word="dark">dark</span> <span word="of">of</span> <span word="night">night</span>, <span word="even">even</span> <span word="when">when</span> <span word="the">the</span> <span word="insects">insects</span> <span word="make">make</span> <span word="no">no</span> <span word="sound">sound</span> <span word="that">that</span> <span word="can">can</span> <span word="be">be</span> <span word="heard">heard</span> <span word="by">by</span> <span word="human">human</span> <span word="ears">ears</span>. <span word="A">A</span> <span word="bat">bat</span> <span word="will">will</span> <span word="catch">catch</span> <span word="hundreds">hundreds</span> <span word="of">of</span> <span word="softbodied">softbodied</span> <span word="silent">silent</span> <span word="flying">flying</span> <span word="insects">insects</span> <span word="in">in</span> <span word="a">a</span> <span word="single">single</span> <span word="hour">hour</span>. <span word="It">It</span> <span word="will">will</span> <span word="even">even</span> <span word="detect">detect</span> <span word="and">and</span> <span word="chase">chase</span> <span word="pebbles">pebbles</span> <span word="tossed">tossed</span> <span word="this">this</span> <span word="is">is</span> <span word="the">the</span> <span word="age">age</span> <span word="of">of</span> <span word="technological">technological</span> <span word="triumphs">triumphs</span></p>
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