广东省高三英语复习40分钟限时训练11
<p> 高三英语限时练习十一</p><p> 完形填空（时间：10分钟）</p><p> <span word="Ero">Ero</span> <span word="Carrera">Carrera</span> <span word="is">is</span> <span word="watching">watching</span> <span word="the">the</span> <span word="computer">computer</span> <span word="screen">screen</span> <span word="in">in</span> <span word="a">a</span> <span word="lab">lab</span> <span word="in">in</span> <span word="California">California</span> <span word="as">as</span> <span word="he">he</span> <span word="tracks">tracks</span> <span word="a">a</span> <span word="new">new</span> <span word="computer">computer</span> <span word="virus">virus</span> <span word="slowly">slowly</span> <span word="circling">circling</span> <span word="the">the</span> <span word="globe">globe</span>, <span word="targeting">targeting</span> <span word="cell">cell</span> <span word="phones">phones</span>. <span word="Working">Working</span> <span word="from">from</span> <span word="the">the</span> <span word="US">US</span> <span word="office">office</span> <span word="of">of</span> <span word="the">the</span> <span word="Finnish">Finnish</span> <span word="computer">computer</span></p><p> 21</p><p> <span word="firm">firm</span>, <span word="Carrera">Carrera</span> <span word="knows">knows</span> <span word="this">this</span> <span word="virus">virus</span> <span word="could">could</span> <span word="be">be</span> <span word="the">the</span> <span word="start">start</span> <span word="of">of</span> <span word="something">something</span> <span word="big">big</span> <span word="and">and</span></p><p> 22</p><p> . <span word="He">He</span>’<span word="s">s</span> <span word="one">one</span> <span word="of">of</span> <span word="a">a</span> <span word="couple">couple</span> <span word="of">of</span> <span word="hundred">hundred</span> “<span word="virus">virus</span> <span word="hunters">hunters</span>” <span word="worldwide">worldwide</span> <span word="who">who</span> <span word="guard">guard</span> <span word="computers">computers</span> <span word="and">and</span> <span word="cell">cell</span> <span word="phones">phones</span> <span word="from">from</span></p><p> 23</p><p> . <span word="That">That</span>’<span word="s">s</span> <span word="the">the</span> <span word="job">job</span> <span word="for">for</span> <span word="these">these</span> <span word="unlikely">unlikely</span> <span word="action">action</span> <span word="heroes">heroes</span> <span word="of">of</span> <span word="the">the</span> <span word="Internet">Internet</span> <span word="age">age</span>, <span word="where">where</span> <span word="quick">quick</span> <span word="and">and</span> <span word="curious">curious</span> <span word="minds">minds</span> <span word="are">are</span> <span word="more">more</span> <span word="important">important</span> <span word="than">than</span> <span word="strong">strong</span></p><p> 24</p><p> .</p><p> <span word="Carrera">Carrera</span> <span word="works">works</span> <span word="with">with</span> <span word="Tzvetan">Tzvetan</span> <span word="Chaliavski">Chaliavski</span> <span word="to">to</span> <span word="form">form</span> <span word="the">the</span> <span word="two">two</span>-<span word="man">man</span> <span word="team">team</span> <span word="in">in</span> <span word="California">California</span>. <span word="Like">Like</span> <span word="that">that</span> <span word="of">of</span> <span word="other">other</span> <span word="employees">employees</span> <span word="in">in</span> <span word="the">the</span> <span word="anti">anti</span>-<span word="virus">virus</span> <span word="companies">companies</span> <span word="in">in</span> <span word="the">the</span> <span word="world">world</span>, <span word="their">their</span> <span word="work">work</span> <span word="is">is</span> <span word="at">at</span> <span word="the">the</span> <span word="battle">battle</span> <span word="front">front</span> <span word="of">of</span> <span word="providing">providing</span></p><p> 25</p><p> <span word="from">from</span> <span word="the">the</span> <span word="damaging">damaging</span> <span word="of">of</span> <span word="computer">computer</span> <span word="virus">virus</span>, <span word="worms">worms</span> <span word="and">and</span> <span word="Trojans">Trojans</span>. <span word="They">They</span> <span word="break">break</span> <span word="down">down</span> <span word="software">software</span> <span word="to">to</span> <span word="discover">discover</span> <span word="a">a</span> <span word="new">new</span> <span word="virus">virus</span> <span word="and">and</span> <span word="crack">crack</span> <span word="its">its</span> <span word="code">code</span>. <span word="Then">Then</span> <span word="they">they</span></p><p> 26</p><p> <span word="and">and</span> <span word="ship">ship</span> <span word="out">out</span> <span word="a">a</span> <span word="software">software</span> <span word="update">update</span> <span word="to">to</span> <span word="customers">customers</span>. <span word="Roughly">Roughly</span> 300 <span word="new">new</span> <span word="samples">samples</span> <span word="of">of</span> <span word="viruses">viruses</span> <span word="await">await</span> <span word="the">the</span> <span word="pair">pair</span> <span word="on">on</span> <span word="a">a</span>(<span word="n">n</span>)</p><p> 27</p><p> <span word="day">day</span>.</p><p> <span word="Carrera">Carrera</span> <span word="has">has</span> <span word="created">created</span> <span word="a">a</span> <span word="mathematical">mathematical</span> <span word="formula">formula</span>(公式), <span word="to">to</span></p><p> 8</p><p> <span word="easily">easily</span> <span word="the">the</span> <span word="software">software</span> <span word="structure">structure</span> <span word="of">of</span> <span word="viruses">viruses</span>. <span word="With">With</span> <span word="it">it</span>, <span word="he">he</span> <span word="is">is</span> <span word="better">better</span> <span word="able">able</span> <span word="to">to</span> <span word="compare">compare</span> <span word="the">the</span> <span word="many">many</span> <span word="variants">variants</span>(变种) <span word="and">and</span> <span word="families">families</span> <span word="of">of</span> <span word="malware">malware</span>(恶意软件). <span word="To">To</span> <span word="his">his</span></p>
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