2017届河北省高考英语阅读理解一轮限时训练（3）
<p> 河北省武强县2017高考英语阅读理解一轮限时训练题（3）及答案</p><p> 【陕西省西安市长安一中2017第二次模拟】</p><p> 阅读些列四篇短文，从每小题后所给的<span word="A">A</span>、<span word="B">B</span>、<span word="C">C</span>、<span word="D">D</span>四个选项中，选出你最佳选项，并在答题卡上将该选项涂黑。<span word="Scientists">Scientists</span> <span word="have">have</span> <span word="long">long</span> <span word="had">had</span> <span word="it">it</span> <span word="in">in</span> <span word="their">their</span> <span word="mind">mind</span> <span word="to">to</span> <span word="make">make</span> <span word="a">a</span> <span word="robot">robot</span> <span word="lizard">lizard</span> (蜥蜴). <span word="They">They</span> <span word="began">began</span> <span word="with">with</span> <span word="finding">finding</span> <span word="out">out</span> <span word="why">why</span> <span word="a">a</span> <span word="lizard">lizard</span> . <span word="They">They</span> <span word="noticed">noticed</span> <span word="the">the</span> <span word="lizard">lizard</span>’<span word="s">s</span> <span word="toes">toes</span> <span word="were">were</span> <span word="unique">unique</span>: <span word="They">They</span> <span word="have">have</span> <span word="suckers">suckers</span> (吸盘), <span word="which">which</span> <span word="enable">enable</span> <span word="it">it</span> <span word="to">to</span> <span word="hang">hang</span> <span word="on">on</span> <span word="walls">walls</span>. <span word="They">They</span>, <span word="therefore">therefore</span>, <span word="made">made</span> <span word="a">a</span> <span word="robot">robot</span> <span word="with">with</span> <span word="suckers">suckers</span> <span word="on">on</span> <span word="its">its</span> <span word="hands">hands</span> <span word="and">and</span> <span word="feet">feet</span>.</p><p> <span word="The">The</span> <span word="robot">robot</span> <span word="could">could</span> <span word="hang">hang</span> <span word="on">on</span> <span word="the">the</span> <span word="wall">wall</span> <span word="but">but</span> <span word="fell">fell</span> <span word="off">off</span> <span word="when">when</span> <span word="crawling">crawling</span>. <span word="So">So</span>, <span word="they">they</span> <span word="went">went</span> <span word="on">on</span> <span word="researching">researching</span>. 6 <span word="years">years</span> <span word="ago">ago</span>, <span word="scientists">scientists</span> <span word="discovered">discovered</span> <span word="that">that</span> <span word="suckers">suckers</span> <span word="only">only</span> <span word="were">were</span> <span word="not">not</span> <span word="enough">enough</span>. <span word="It">It</span> <span word="is">is</span> <span word="the">the</span> <span word="bristles">bristles</span> (刚毛) <span word="on">on</span> <span word="each">each</span> <span word="foot">foot</span> <span word="that">that</span> <span word="adds">adds</span> <span word="friction">friction</span> (摩擦) <span word="and">and</span> <span word="static">static</span> <span word="adsorption">adsorption</span> (静电吸附力) <span word="that">that</span> <span word="makes">makes</span> <span word="a">a</span> <span word="lizard">lizard</span> <span word="move">move</span> <span word="on">on</span> <span word="the">the</span> <span word="smooth">smooth</span> <span word="wall">wall</span> <span word="easily">easily</span> <span word="without">without</span> <span word="falling">falling</span> <span word="down">down</span>.</p><p> <span word="Then">Then</span> <span word="scientists">scientists</span> <span word="made">made</span> <span word="great">great</span> <span word="efforts">efforts</span> <span word="to">to</span> <span word="fix">fix</span> <span word="thick">thick</span> <span word="bristles">bristles</span> <span word="to">to</span> <span word="the">the</span> <span word="robot">robot</span>’<span word="s">s</span> <span word="hands">hands</span> <span word="and">and</span> <span word="feet">feet</span>. <span word="However">However</span>, <span word="the">the</span> <span word="effect">effect</span> <span word="was">was</span> <span word="not">not</span> <span word="satisfactory">satisfactory</span>. <span word="The">The</span> <span word="robot">robot</span> <span word="still">still</span> <span word="couldn">couldn</span>’<span word="t">t</span> <span word="attach">attach</span> <span word="itself">itself</span> <span word="firmly">firmly</span> <span word="to">to</span> <span word="the">the</span> <span word="wall">wall</span>.</p><p> <span word="Scientists">Scientists</span> <span word="got">got</span> <span word="puzzled">puzzled</span>: <span word="How">How</span> <span word="on">on</span> <span word="earth">earth</span> <span word="can">can</span> <span word="the">the</span> <span word="lizard">lizard</span> <span word="crawl">crawl</span> <span word="on">on</span> <span word="an">an</span> <span word="extremely">extremely</span> <span word="smooth">smooth</span> <span word="wall">wall</span> <span word="or">or</span> <span word="even">even</span> <span word="on">on</span> <span word="a">a</span> <span word="ceiling">ceiling</span> <span word="without">without</span> <span word="dropping">dropping</span> <span word="off">off</span>?</p><p> <span word="An">An</span> <span word="accidental">accidental</span> <span word="finding">finding</span> <span word="inspired">inspired</span> <span word="them">them</span>: <span word="One">One</span> <span word="day">day</span> <span word="a">a</span> <span word="scientist">scientist</span> <span word="happened">happened</span> <span word="to">to</span> <span word="see">see</span> <span word="an">an</span> <span word="animal">animal</span> <span word="attack">attack</span> <span word="a">a</span> <span word="lizard">lizard</span> <span word="and">and</span> <span word="bite">bite</span> <span word="off">off</span> <span word="its">its</span> <span word="tail">tail</span>. <span word="The">The</span> <span word="lizard">lizard</span> <span word="broke">broke</span> <span word="away">away</span> <span word="from">from</span> <span word="the">the</span> <span word="animal">animal</span>’<span word="s">s</span> <span word="teeth">teeth</span> <span word="and">and</span> <span word="threw">threw</span> <span word="itself">itself</span> <span word="on">on</span> <span word="a">a</span> <span word="wall">wall</span> <span word="to">to</span> <span word="escape">escape</span>, <span word="only">only</span> <span word="to">to</span> <span word="fall">fall</span> <span word="off">off</span> <span word="heavily">heavily</span> <span word="on">on</span> <span word="the">the</span> <span word="ground">ground</span>. <span word="The">The</span> <span word="scientist">scientist</span> <span word="wondered">wondered</span>: <span word="Is">Is</span> <span word="it">it</span> <span word="the">the</span> <span word="tail">tail</span> <span word="that">that</span> <span word="plays">plays</span> <span word="an">an</span> <span word="important">important</span> <span word="role">role</span> <span word="in">in</span> <span word="its">its</span> <span word="travelling">travelling</span> <span word="on">on</span> <span word="the">the</span> <span word="wall">wall</span>? <span word="He">He</span> <span word="caught">caught</span> <span word="some">some</span> <span word="lizards">lizards</span> <span word="for">for</span> <span word="an">an</span> <span word="experiment">experiment</span>. <span word="The">The</span> <span word="result">result</span> <span word="proved">proved</span> <span word="his">his</span> <span word="assumption">assumption</span>: <span word="A">A</span> <span word="tailless">tailless</span> <span word="lizard">lizard</span> <span word="has">has</span> <span word="no">no</span> <span word="trouble">trouble</span> <span word="walking">walking</span> <span word="on">on</span> <span word="an">an</span> <span word="ordinary">ordinary</span> <span word="wall">wall</span> <span word="but">but</span> <span word="can">can</span>’<span word="t">t</span> <span word="on">on</span> <span word="a">a</span> <span word="smooth">smooth</span> <span word="one">one</span>. <span word="A">A</span> <span word="further">further</span> <span word="study">study</span> <span word="showed">showed</span> <span word="the">the</span> <span word="lizard">lizard</span>’<span word="s">s</span> <span word="tail">tail</span> <span word="can">can</span> <span word="prevent">prevent</span> <span word="it">it</span> <span word="falling">falling</span> <span word="over">over</span> <span word="backward">backward</span> <span word="and">and</span>, <span word="what">what</span>’<span word="s">s</span> <span word="more">more</span>, <span word="that">that</span> <span word="the">the</span> <span word="tail">tail</span> <span word="acts">acts</span> <span word="as">as</span> <span word="an">an</span> <span word="additional">additional</span> <span word="leg">leg</span> <span word="while">while</span> <span word="one">one</span> <span word="of">of</span> <span word="the">the</span> <span word="lizard">lizard</span>’<span word="s">s</span> <span word="legs">legs</span> <span word="leaves">leaves</span> <span word="the">the</span> <span word="wall">wall</span>, <span word="which">which</span> <span word="is">is</span> <span word="always">always</span> <span word="the">the</span> <span word="case">case</span> <span word="while">while</span> <span word="it">it</span> <span word="is">is</span> <span word="walking">walking</span> <span word="on">on</span> <span word="the">the</span> <span word="wall">wall</span>.</p>
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