2015年职称英语《理工类》阅读理解练习题(5)
<p> <span word="people">people</span> <span word="tend">tend</span> <span word="to">to</span> <span word="think">think</span> <span word="of">of</span> <span word="computers">computers</span> <span word="as">as</span> <span word="isolated">isolated</span> <span word="machines">machines</span>,<span word="working">working</span> <span word="away">away</span> <span word="all">all</span> <span word="by">by</span> <span word="themselves">themselves</span>.<span word="some">some</span> <span word="do">do</span>-<span word="personal">personal</span> <span word="computer">computer</span> <span word="without">without</span> <span word="an">an</span> <span word="outside">outside</span> <span word="link">link</span>,<span word="like">like</span> <span word="someones">someones</span> <span word="hideaway">hideaway</span> <span word="cabin">cabin</span> <span word="in">in</span> <span word="the">the</span> <span word="woods">woods</span>.<span word="but">but</span> <span word="just">just</span> <span word="as">as</span> <span word="most">most</span> <span word="of">of</span> <span word="homes">homes</span> <span word="are">are</span> <span word="tied">tied</span> <span word="to">to</span> <span word="a">a</span> <span word="community">community</span> <span word="by">by</span> <span word="streets">streets</span>,<span word="bus">bus</span> <span word="routes">routes</span> <span word="and">and</span> <span word="electric">electric</span> <span word="lines">lines</span>,<span word="computers">computers</span> <span word="that">that</span> <span word="exchange">exchange</span> <span word="intelligence">intelligence</span> <span word="are">are</span> <span word="part">part</span> <span word="of">of</span> <span word="a">a</span> <span word="community">community</span> <span word="m">m</span> <span word="local">local</span>,<span word="national">national</span> <span word="and">and</span> <span word="even">even</span> <span word="global">global</span> <span word="network">network</span> <span word="joined">joined</span> <span word="by">by</span> <span word="telephone">telephone</span> <span word="connections">connections</span>.</p><p> <span word="the">the</span> <span word="computer">computer</span> <span word="network">network</span> <span word="is">is</span> <span word="a">a</span> <span word="creation">creation</span> <span word="of">of</span> <span word="the">the</span> <span word="electric">electric</span> <span word="age">age</span>,<span word="but">but</span> <span word="it">it</span> <span word="is">is</span> <span word="based">based</span> <span word="on">on</span> <span word="old">old</span>-<span word="fashioned">fashioned</span> <span word="trust">trust</span>.<span word="it">it</span> <span word="cannot">cannot</span> <span word="work">work</span> <span word="without">without</span> <span word="trust">trust</span>.<span word="a">a</span> <span word="rogue">rogue</span> <span word="loose">loose</span> <span word="in">in</span> <span word="a">a</span> <span word="computer">computer</span> <span word="system">system</span> <span word="called">called</span> <span word="hacker">hacker</span> <span word="is">is</span> <span word="worse">worse</span> <span word="than">than</span> <span word="a">a</span> <span word="thief">thief</span> <span word="entering">entering</span> <span word="your">your</span> <span word="house">house</span>.<span word="he">he</span> <span word="could">could</span> <span word="go">go</span> <span word="through">through</span> <span word="anyones">anyones</span> <span word="electronic">electronic</span> <span word="mail">mail</span> <span word="or">or</span> <span word="add">add</span> <span word="to">to</span>,<span word="change">change</span>,<span word="distort">distort</span> <span word="or">or</span> <span word="delete">delete</span> <span word="anything">anything</span> <span word="in">in</span> <span word="the">the</span> <span word="information">information</span> <span word="stored">stored</span> <span word="in">in</span> <span word="the">the</span> <span word="computers">computers</span> <span word="memory">memory</span>.<span word="he">he</span> <span word="could">could</span> <span word="even">even</span> <span word="take">take</span> <span word="control">control</span> <span word="of">of</span> <span word="the">the</span> <span word="entire">entire</span> <span word="system">system</span> <span word="by">by</span> <span word="placing">placing</span> <span word="his">his</span> <span word="own">own</span> <span word="instructions">instructions</span> <span word="in">in</span> <span word="the">the</span> <span word="software">software</span> <span word="that">that</span> <span word="runs">runs</span> <span word="it">it</span>.<span word="he">he</span> <span word="could">could</span> <span word="shut">shut</span> <span word="the">the</span> <span word="computer">computer</span> <span word="down">down</span> <span word="whenever">whenever</span> <span word="he">he</span> <span word="wished">wished</span>,<span word="and">and</span> <span word="no">no</span> <span word="one">one</span> <span word="could">could</span> <span word="stop">stop</span> <span word="him">him</span>.<span word="then">then</span> <span word="he">he</span> <span word="could">could</span> <span word="program">program</span> <span word="the">the</span> <span word="computer">computer</span> <span word="to">to</span> <span word="erase">erase</span> <span word="any">any</span> <span word="sign">sign</span> <span word="of">of</span> <span word="his">his</span> <span word="ever">ever</span> <span word="having">having</span> <span word="been">been</span> <span word="there">there</span>.</p><p> <span word="hacking">hacking</span>,<span word="our">our</span> <span word="electronic">electronic</span>-<span word="age">age</span> <span word="term">term</span> <span word="for">for</span> <span word="computer">computer</span> <span word="break">break</span>-<span word="in">in</span>,<span word="is">is</span> <span word="more">more</span> <span word="and">and</span> <span word="more">more</span> <span word="in">in</span> <span word="the">the</span> <span word="news">news</span>-<span word="brainy">brainy</span> <span word="kids">kids</span> <span word="vandalizing">vandalizing</span> <span word="university">university</span> <span word="records">records</span>,<span word="even">even</span> <span word="pranking">pranking</span> <span word="about">about</span> <span word="in">in</span> <span word="supposedly">supposedly</span> <span word="safeguarded">safeguarded</span> <span word="systems">systems</span>.<span word="to">to</span> <span word="those">those</span> <span word="who">who</span> <span word="understand">understand</span> <span word="how">how</span> <span word="computer">computer</span> <span word="networks">networks</span> <span word="are">are</span> <span word="increasingly">increasingly</span> <span word="regulating">regulating</span> <span word="life">life</span> <span word="in">in</span> <span word="the">the</span> <span word="late">late</span> 20<span word="th">th</span> <span word="century">century</span>,<span word="these">these</span> <span word="are">are</span> <span word="not">not</span> <span word="laughing">laughing</span> <span word="matters">matters</span>.<span word="a">a</span> <span word="potential">potential</span> <span word="for">for</span> <span word="disaster">disaster</span> <span word="is">is</span> <span word="building">building</span>: <span word="a">a</span> <span word="dissatisfied">dissatisfied</span> <span word="former">former</span> <span word="insurance">insurance</span>-<span word="company">company</span> <span word="employee">employee</span> <span word="wipes">wipes</span> <span word="out">out</span> <span word="information">information</span> <span word="from">from</span> <span word="payroll">payroll</span> <span word="files">files</span>.<span word="a">a</span> <span word="student">student</span> <span word="sends">sends</span> <span word="out">out</span> <span word="a">a</span> <span word="virus">virus</span>,<span word="a">a</span> <span word="secret">secret</span> <span word="and">and</span> <span word="destructive">destructive</span> <span word="command">command</span>,<span word="over">over</span> <span word="a">a</span> <span word="national">national</span> <span word="network">network</span>.<span word="the">the</span> <span word="virus">virus</span> <span word="copies">copies</span> <span word="itself">itself</span> <span word="at">at</span> <span word="lightning">lightning</span> <span word="speed">speed</span>,<span word="jamming">jamming</span> <span word="the">the</span> <span word="entire">entire</span> <span word="network">network</span><span word="thousands">thousands</span> <span word="of">of</span> <span word="academic">academic</span>,<span word="commercial">commercial</span> <span word="and">and</span> <span word="government">government</span> <span word="computer">computer</span> <span word="systems">systems</span>.<span word="such">such</span> <span word="disastrous">disastrous</span> <span word="cases">cases</span> <span word="have">have</span> <span word="already">already</span> <span word="occurred">occurred</span>.<span word="now">now</span> <span word="exists">exists</span> <span word="the">the</span> <span word="possibility">possibility</span> <span word="of">of</span> <span word="terrorism">terrorism</span> <span word="by">by</span> <span word="computer">computer</span>.<span word="spoiling">spoiling</span> <span word="a">a</span> <span word="system">system</span> <span word="responsible">responsible</span> <span word="for">for</span> <span word="air">air</span>-<span word="traffic">traffic</span> <span word="control">control</span> <span word="at">at</span> <span word="a">a</span> <span word="busy">busy</span> <span word="airport">airport</span>,<span word="or">or</span> <span word="knocking">knocking</span> <span word="out">out</span> <span word="the">the</span> <span word="telephones">telephones</span> <span word="of">of</span> <span word="a">a</span> <span word="major">major</span> <span word="city">city</span>,<span word="is">is</span> <span word="a">a</span> <span word="relatively">relatively</span> <span word="easy">easy</span> <span word="way">way</span> <span word="to">to</span> <span word="spread">spread</span> <span word="panic">panic</span>.<span word="yet">yet</span> <span word="neither">neither</span> <span word="business">business</span> <span word="nor">nor</span> <span word="government">government</span> <span word="has">has</span> <span word="done">done</span> <span word="enough">enough</span> <span word="to">to</span> <span word="toughen">toughen</span> <span word="its">its</span> <span word="defenses">defenses</span> <span word="against">against</span> <span word="attack">attack</span>.<span word="for">for</span> <span word="one">one</span> <span word="thing">thing</span>,<span word="such">such</span> <span word="defenses">defenses</span> <span word="are">are</span> <span word="expensive">expensive</span>; <span word="for">for</span> <span word="another">another</span>,<span word="they">they</span> <span word="may">may</span> <span word="interrupt">interrupt</span> <span word="communication">communication</span> <span word="the">the</span> <span word="main">main</span> <span word="reason">reason</span> <span word="for">for</span> <span word="using">using</span> <span word="computers">computers</span> <span word="in">in</span> <span word="the">the</span> <span word="first">first</span> <span word="place">place</span>.</p>
页:
[1]