2012年职称英语考试理工类C级概括大意
<p> 概括大意和完成句子(第23~30题，每题1分，共8分)</p><p> 下面的短文后有2项测试任务：(1)第23~26题要求从所给的6个选项中为指定段落每段选择1个小标题;(2)第27~30题要求从所给的6个选项中为每个句子确定一个最佳选项。</p><p> <span word="Learn">Learn</span> <span word="about">about</span> <span word="Light">Light</span></p><p> 1 <span word="Ancient">Ancient</span> <span word="civilizations">civilizations</span> <span word="were">were</span> <span word="amazed">amazed</span> <span word="by">by</span> <span word="the">the</span> <span word="existence">existence</span> <span word="of">of</span> <span word="light">light</span> <span word="for">for</span> <span word="thousands">thousands</span> <span word="of">of</span> <span word="years">years</span>. <span word="The">The</span> <span word="Greek">Greek</span> <span word="philosophers">philosophers</span> <span word="believed">believed</span> <span word="that">that</span> <span word="light">light</span> <span word="was">was</span> <span word="made">made</span> <span word="up">up</span> <span word="of">of</span> <span word="countless">countless</span>, <span word="tiny">tiny</span> <span word="particles">particles</span> <span word="that">that</span> <span word="enter">enter</span> <span word="the">the</span> <span word="human">human</span> <span word="eye">eye</span> <span word="and">and</span> <span word="create">create</span> <span word="what">what</span> <span word="we">we</span> <span word="call">call</span> <span word="vision">vision</span>. <span word="However">However</span>, <span word="Empedocles">Empedocles</span> <span word="and">and</span> <span word="a">a</span> <span word="Dutch">Dutch</span> <span word="scientist">scientist</span> <span word="named">named</span> <span word="Christian">Christian</span> <span word="Huygens">Huygens</span> <span word="believed">believed</span> <span word="that">that</span> <span word="light">light</span> <span word="was">was</span> <span word="like">like</span> <span word="a">a</span> <span word="wave">wave</span>. <span word="According">According</span> <span word="to">to</span> <span word="them">them</span>, <span word="light">light</span> <span word="spread">spread</span> <span word="out">out</span> <span word="and">and</span> <span word="travelled">travelled</span> <span word="like">like</span> <span word="a">a</span> <span word="straight">straight</span> <span word="line">line</span>. <span word="This">This</span> <span word="theory">theory</span> <span word="was">was</span> <span word="accepted">accepted</span> <span word="during">during</span> <span word="the">the</span> 19<span word="th">th</span> <span word="century">century</span>.</p><p> 2 <span word="ln">ln</span> 1905, <span word="Albert">Albert</span> <span word="Einstein">Einstein</span> <span word="published">published</span> <span word="a">a</span> <span word="research">research</span> <span word="paper">paper</span> <span word="in">in</span> <span word="which">which</span> <span word="he">he</span> <span word="explained">explained</span> <span word="what">what</span> <span word="is">is</span> <span word="referred">referred</span> <span word="to">to</span> <span word="as">as</span> <span word="the">the</span> <span word="photoelectric">photoelectric</span> <span word="effect">effect</span>. <span word="This">This</span> <span word="theory">theory</span> <span word="explains">explains</span> <span word="that">that</span> <span word="particles">particles</span> <span word="make">make</span> <span word="up">up</span> <span word="light">light</span>. <span word="The">The</span> <span word="particles">particles</span> <span word="Einstein">Einstein</span> <span word="was">was</span> <span word="referring">referring</span> <span word="to">to</span> <span word="are">are</span> <span word="weightless">weightless</span> <span word="bundles">bundles</span>(束)<span word="of">of</span> <span word="electromagnetic">electromagnetic</span>(电磁)<span word="energy">energy</span> <span word="called">called</span> <span word="photons">photons</span>(光子). <span word="Today">Today</span>, <span word="scientists">scientists</span> <span word="agree">agree</span> <span word="that">that</span> <span word="light">light</span> <span word="has">has</span> <span word="a">a</span> <span word="dual">dual</span>(二重) <span word="nature">nature</span><span word="it">it</span> <span word="is">is</span> <span word="part">part</span> <span word="particle">particle</span> <span word="and">and</span> <span word="part">part</span> <span word="wave">wave</span>. <span word="It">It</span> <span word="is">is</span> <span word="a">a</span> <span word="form">form</span> <span word="of">of</span> <span word="energy">energy</span> <span word="that">that</span> <span word="allows">allows</span> <span word="us">us</span> <span word="to">to</span> <span word="see">see</span> <span word="things">things</span> <span word="around">around</span> <span word="us">us</span>.</p><p> 3 <span word="Things">Things</span> <span word="that">that</span> <span word="give">give</span> <span word="off">off</span> <span word="light">light</span> <span word="are">are</span> <span word="known">known</span> <span word="as">as</span> <span word="sources">sources</span> <span word="of">of</span> <span word="light">light</span>. <span word="During">During</span> <span word="the">the</span> <span word="day">day</span>, <span word="the">the</span> <span word="primary">primary</span> <span word="source">source</span> <span word="of">of</span> <span word="light">light</span> <span word="is">is</span> <span word="the">the</span> <span word="sun">sun</span>. <span word="Other">Other</span> <span word="sources">sources</span> <span word="of">of</span> <span word="light">light</span> <span word="include">include</span> <span word="stars">stars</span>, <span word="flames">flames</span>, <span word="flashlights">flashlights</span>, <span word="street">street</span> <span word="lamps">lamps</span> <span word="and">and</span> <span word="glowing">glowing</span> <span word="gases">gases</span> <span word="in">in</span> <span word="glass">glass</span> <span word="tube">tube</span>.</p>
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