2013职称英语理工类的阅读理解备考练习题4
<p> <span word="Winged">Winged</span> <span word="Robot">Robot</span> <span word="Learns">Learns</span> <span word="to">to</span> <span word="Fly">Fly</span></p><p> <span word="Learning">Learning</span> <span word="how">how</span> <span word="to">to</span> <span word="fly">fly</span> <span word="took">took</span> <span word="nature">nature</span> <span word="millions">millions</span> <span word="of">of</span> <span word="years">years</span> <span word="of">of</span> <span word="trial">trial</span> <span word="and">and</span> <span word="errorbut">errorbut</span> <span word="a">a</span> <span word="winged">winged</span> <span word="robot">robot</span> <span word="has">has</span> <span word="cracked">cracked</span> <span word="it">it</span> <span word="in">in</span> <span word="only">only</span> <span word="a">a</span> <span word="few">few</span> <span word="hours">hours</span>, <span word="using">using</span> <span word="the">the</span> <span word="same">same</span> <span word="evolutionary">evolutionary</span> <span word="principles">principles</span>.</p><p> <span word="To">To</span> <span word="begin">begin</span> <span word="with">with</span>, <span word="the">the</span> <span word="robot">robot</span> <span word="just">just</span> <span word="twitched">twitched</span> <span word="and">and</span> <span word="jerked">jerked</span> <span word="erratically">erratically</span>. <span word="But">But</span>, <span word="gradually">gradually</span>, <span word="it">it</span> <span word="made">made</span> <span word="movements">movements</span> <span word="that">that</span> <span word="gained">gained</span> <span word="height">height</span>. <span word="At">At</span> <span word="first">first</span> , <span word="it">it</span> <span word="cheated">cheated</span><span word="simply">simply</span> <span word="standing">standing</span> <span word="on">on</span> <span word="its">its</span> <span word="wing">wing</span> <span word="tips">tips</span> <span word="was">was</span> <span word="one">one</span> <span word="early">early</span> <span word="short">short</span> <span word="cut">cut</span>. <span word="After">After</span> <span word="three">three</span> <span word="hours">hours</span>, <span word="however">however</span>, <span word="the">the</span> <span word="robot">robot</span> <span word="abandoned">abandoned</span> <span word="such">such</span> <span word="methods">methods</span> <span word="in">in</span> <span word="favor">favor</span> <span word="of">of</span> <span word="a">a</span> <span word="more">more</span> <span word="effective">effective</span> <span word="flapping">flapping</span> <span word="technique">technique</span>, <span word="where">where</span> <span word="it">it</span> <span word="rotated">rotated</span> <span word="its">its</span> <span word="wings">wings</span> <span word="through">through</span> 90 <span word="degrees">degrees</span> <span word="and">and</span> <span word="raised">raised</span> <span word="them">them</span> <span word="before">before</span> <span word="twisting">twisting</span> <span word="them">them</span> <span word="back">back</span> <span word="to">to</span> <span word="the">the</span> <span word="horizontal">horizontal</span> <span word="and">and</span> <span word="pushing">pushing</span> <span word="down">down</span>.</p><p> <span word="The">The</span> <span word="robot">robot</span> <span word="had">had</span> <span word="metre">metre</span>-<span word="long">long</span> <span word="wings">wings</span> <span word="made">made</span> <span word="from">from</span> <span word="balsa">balsa</span> <span word="wood">wood</span> <span word="and">and</span> <span word="covered">covered</span> <span word="with">with</span> <span word="a">a</span> <span word="light">light</span> <span word="plastic">plastic</span> <span word="film">film</span>. <span word="Small">Small</span> <span word="motors">motors</span> <span word="on">on</span> <span word="the">the</span> <span word="robot">robot</span> <span word="let">let</span> <span word="it">it</span> <span word="move">move</span> <span word="its">its</span> <span word="wings">wings</span> <span word="forwards">forwards</span> <span word="or">or</span> <span word="backwards">backwards</span>, <span word="up">up</span> <span word="or">or</span> <span word="down">down</span> <span word="or">or</span> <span word="twist">twist</span> <span word="them">them</span> <span word="in">in</span> <span word="either">either</span> <span word="direction">direction</span>.</p><p> <span word="A">A</span> <span word="computer">computer</span> <span word="program">program</span> <span word="fed">fed</span> <span word="the">the</span> <span word="robot">robot</span> <span word="random">random</span> <span word="instructions">instructions</span>, <span word="at">at</span> <span word="the">the</span> <span word="rate">rate</span> <span word="of">of</span> 20 <span word="per">per</span> <span word="second">second</span>, <span word="to">to</span> <span word="test">test</span> <span word="its">its</span> <span word="flapping">flapping</span> <span word="abilities">abilities</span>. <span word="Each">Each</span> <span word="instruction">instruction</span> <span word="told">told</span> <span word="the">the</span> <span word="robot">robot</span> <span word="either">either</span> <span word="to">to</span> <span word="do">do</span> <span word="nothing">nothing</span> <span word="or">or</span> <span word="to">to</span> <span word="move">move</span> <span word="the">the</span> <span word="wings">wings</span> <span word="slightly">slightly</span> <span word="in">in</span> <span word="the">the</span> <span word="various">various</span> <span word="directions">directions</span>.</p><p> 1.<span word="Which">Which</span> <span word="of">of</span> <span word="the">the</span> <span word="following">following</span> <span word="is">is</span> <span word="NOT">NOT</span> <span word="true">true</span> <span word="of">of</span> <span word="what">what</span> <span word="is">is</span> <span word="mentioned">mentioned</span> <span word="about">about</span> <span word="the">the</span> <span word="winged">winged</span> <span word="robot">robot</span> <span word="in">in</span> <span word="the">the</span> <span word="second">second</span> <span word="paragraph">paragraph</span>?</p><p> <span word="B">B</span>. <span word="The">The</span> <span word="two">two</span> <span word="professors">professors</span> <span word="of">of</span> <span word="CUT">CUT</span> <span word="tested">tested</span> <span word="whether">whether</span> <span word="the">the</span> <span word="winged">winged</span> <span word="robot">robot</span> <span word="could">could</span> <span word="learn">learn</span> <span word="to">to</span> <span word="fly">fly</span>.</p><p> <span word="D">D</span>. <span word="The">The</span> <span word="two">two</span> <span word="professors">professors</span> <span word="of">of</span> <span word="CUT">CUT</span> <span word="tried">tried</span> <span word="to">to</span> <span word="find">find</span> <span word="out">out</span> <span word="if">if</span> <span word="the">the</span> <span word="robot">robot</span> <span word="could">could</span> <span word="fly">fly</span> <span word="by">by</span> <span word="itself">itself</span>.</p><p> <span word="A">A</span>. <span word="It">It</span> <span word="rotated">rotated</span> <span word="its">its</span> <span word="wings">wings</span> <span word="through">through</span> 90 <span word="degrees">degrees</span>.</p>
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