职称英语的考试阅读判断试题练习(十一)
<p> 职称英语考试阅读判断试题练习</p><p> 11.<span word="Fermi">Fermi</span> <span word="Problem">Problem</span> 费米问题</p><p> <span word="On">On</span> <span word="a">a</span> <span word="Monday">Monday</span> <span word="morning">morning</span> <span word="in">in</span> <span word="July">July</span>, <span word="the">the</span> <span word="worlds">worlds</span> <span word="first">first</span> <span word="atom">atom</span> <span word="bomb">bomb</span> <span word="exploded">exploded</span> <span word="in">in</span> <span word="New">New</span> <span word="Mexico">Mexico</span> <span word="desert">desert</span>. <span word="Forty">Forty</span> <span word="seconds">seconds</span> <span word="later">later</span>, <span word="the">the</span> <span word="shock">shock</span> <span word="waves">waves</span> <span word="reached">reached</span> <span word="the">the</span> <span word="base">base</span> <span word="camp">camp</span> <span word="where">where</span> <span word="the">the</span> <span word="Italian">Italian</span>-<span word="American">American</span> <span word="physicist">physicist</span> <span word="Enrico">Enrico</span> <span word="Fermi">Fermi</span> <span word="and">and</span> <span word="his">his</span> <span word="team">team</span> <span word="stood">stood</span>. <span word="After">After</span> <span word="a">a</span> <span word="mental">mental</span> <span word="calculation">calculation</span>, <span word="Fermi">Fermi</span> <span word="announced">announced</span> <span word="to">to</span> <span word="his">his</span> <span word="team">team</span> <span word="that">that</span> <span word="the">the</span> <span word="bombs">bombs</span> <span word="energy">energy</span> <span word="had">had</span> <span word="equated">equated</span> 10,000 <span word="tons">tons</span> <span word="of">of</span> <span word="TNT">TNT</span>. <span word="The">The</span> <span word="bomb">bomb</span> <span word="team">team</span> <span word="was">was</span> <span word="impressed">impressed</span>, <span word="but">but</span> <span word="not">not</span> <span word="surprised">surprised</span>. <span word="Fermis">Fermis</span> <span word="genius">genius</span> <span word="was">was</span> <span word="known">known</span> <span word="throughout">throughout</span> <span word="the">the</span> <span word="scientific">scientific</span> <span word="world">world</span>. <span word="In">In</span> 1938 <span word="he">he</span> <span word="had">had</span> <span word="won">won</span> <span word="a">a</span> <span word="Nobel">Nobel</span> <span word="Prize">Prize</span>. <span word="Four">Four</span> <span word="years">years</span> <span word="later">later</span> <span word="he">he</span> <span word="produced">produced</span> <span word="the">the</span> <span word="first">first</span> <span word="nuclear">nuclear</span> <span word="chain">chain</span> <span word="reaction">reaction</span>, <span word="leading">leading</span> <span word="us">us</span> <span word="into">into</span> <span word="the">the</span> <span word="nuclear">nuclear</span> <span word="age">age</span>. <span word="Since">Since</span> <span word="Fermis">Fermis</span> <span word="death">death</span> <span word="in">in</span> 1954, <span word="no">no</span> <span word="physicist">physicist</span> <span word="has">has</span> <span word="been">been</span> <span word="at">at</span> <span word="once">once</span> <span word="a">a</span> <span word="master">master</span> <span word="experimentalist">experimentalist</span> <span word="and">and</span> <span word="a">a</span> <span word="leading">leading</span> <span word="theoretician">theoretician</span>.</p><p> <span word="Like">Like</span> <span word="all">all</span> <span word="virtuosos">virtuosos</span>, <span word="Fermi">Fermi</span> <span word="had">had</span> <span word="a">a</span> <span word="distinctive">distinctive</span> <span word="style">style</span>. <span word="He">He</span> <span word="preferred">preferred</span> <span word="the">the</span> <span word="most">most</span> <span word="direct">direct</span> <span word="route">route</span> <span word="to">to</span> <span word="an">an</span> <span word="answer">answer</span>. <span word="He">He</span> <span word="was">was</span> <span word="very">very</span> <span word="good">good</span> <span word="at">at</span> <span word="dividing">dividing</span> <span word="difficult">difficult</span> <span word="problems">problems</span> <span word="into">into</span> <span word="small">small</span>, <span word="manageable">manageable</span> <span word="bits">bits</span><span word="talent">talent</span> <span word="we">we</span> <span word="all">all</span> <span word="can">can</span> <span word="use">use</span> <span word="in">in</span> <span word="our">our</span> <span word="daily">daily</span> <span word="lives">lives</span>.</p><p> <span word="To">To</span> <span word="develop">develop</span> <span word="this">this</span> <span word="talent">talent</span> <span word="in">in</span> <span word="his">his</span> <span word="students">students</span>, <span word="Fermi">Fermi</span> <span word="would">would</span> <span word="suggest">suggest</span> <span word="a">a</span> <span word="type">type</span> <span word="of">of</span> <span word="question">question</span> <span word="now">now</span> <span word="known">known</span> <span word="as">as</span> <span word="a">a</span> <span word="Fermi">Fermi</span> <span word="problem">problem</span>. <span word="Upon">Upon</span> <span word="first">first</span> <span word="hearing">hearing</span> <span word="one">one</span> <span word="of">of</span> <span word="these">these</span>, <span word="you">you</span> <span word="havent">havent</span> <span word="the">the</span> <span word="remotest">remotest</span> <span word="notion">notion</span> <span word="of">of</span> <span word="the">the</span> <span word="answer">answer</span>, <span word="and">and</span> <span word="you">you</span> <span word="feel">feel</span> <span word="certain">certain</span> <span word="that">that</span> <span word="too">too</span> <span word="little">little</span> <span word="information">information</span> <span word="had">had</span> <span word="been">been</span> <span word="given">given</span> <span word="to">to</span> <span word="solve">solve</span> <span word="it">it</span>. <span word="Yet">Yet</span> <span word="when">when</span> <span word="the">the</span> <span word="problem">problem</span> <span word="is">is</span> <span word="broken">broken</span> <span word="into">into</span> <span word="sub">sub</span>-<span word="problems">problems</span>, <span word="each">each</span> <span word="answerable">answerable</span> <span word="without">without</span> <span word="the">the</span> <span word="help">help</span> <span word="of">of</span> <span word="experts">experts</span> <span word="or">or</span> <span word="books">books</span>, <span word="you">you</span> <span word="can">can</span> <span word="come">come</span> <span word="close">close</span> <span word="to">to</span> <span word="the">the</span> <span word="exact">exact</span> <span word="solution">solution</span>.</p><p> <span word="Suppose">Suppose</span> <span word="you">you</span> <span word="want">want</span> <span word="to">to</span> <span word="determine">determine</span> <span word="earths">earths</span> <span word="circumference">circumference</span> <span word="without">without</span> <span word="looking">looking</span> <span word="it">it</span> <span word="up">up</span>. <span word="Everyone">Everyone</span> <span word="knows">knows</span> <span word="that">that</span> <span word="New">New</span> <span word="York">York</span> <span word="and">and</span> <span word="Los">Los</span> <span word="Angeles">Angeles</span> <span word="are">are</span> <span word="about">about</span> 3,000 <span word="miles">miles</span> <span word="apart">apart</span> <span word="and">and</span> <span word="that">that</span> <span word="the">the</span> <span word="time">time</span> <span word="difference">difference</span> <span word="between">between</span> <span word="them">them</span> <span word="is">is</span> <span word="three">three</span> <span word="hours">hours</span>. <span word="There">There</span> <span word="hours">hours</span> <span word="is">is</span> <span word="one">one</span>-<span word="eighth">eighth</span> <span word="of">of</span> <span word="a">a</span> <span word="day">day</span>, <span word="and">and</span> <span word="a">a</span> <span word="day">day</span> <span word="is">is</span> <span word="the">the</span> <span word="time">time</span> <span word="it">it</span> <span word="takes">takes</span> <span word="the">the</span> <span word="planet">planet</span> <span word="to">to</span> <span word="complete">complete</span> <span word="one">one</span> <span word="rotation">rotation</span>, <span word="so">so</span> <span word="its">its</span> <span word="circumference">circumference</span> <span word="must">must</span> <span word="be">be</span> <span word="times">times</span> 3,000 <span word="or">or</span> 24,000 <span word="miles">miles</span>. <span word="This">This</span> <span word="answer">answer</span> <span word="differs">differs</span> <span word="from">from</span> <span word="the">the</span> <span word="true">true</span> <span word="value">value</span>, 24,902.45 <span word="miles">miles</span>, <span word="by">by</span> <span word="less">less</span> <span word="than">than</span> <span word="four">four</span> <span word="percent">percent</span>.</p>
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