职称英语理工类B级阅读理解精华练习(12)
<p> <span word="Listening">Listening</span> <span word="Device">Device</span> <span word="Provides">Provides</span> <span word="Landslide">Landslide</span> <span word="Early">Early</span> <span word="WarningA">WarningA</span> <span word="device">device</span> <span word="that">that</span> <span word="provides">provides</span> <span word="earlywarning">earlywarning</span> <span word="of">of</span> <span word="a">a</span> <span word="landslide">landslide</span> <span word="by">by</span> <span word="monitoring">monitoring</span> <span word="vibrations">vibrations</span> <span word="in">in</span> <span word="soil">soil</span> <span word="is">is</span> <span word="being">being</span> <span word="tested">tested</span> <span word="by">by</span> <span word="UKresearchers">UKresearchers</span>. <span word="The">The</span> <span word="device">device</span> <span word="could">could</span> <span word="save">save</span> <span word="thousands">thousands</span> <span word="of">of</span> <span word="lives">lives</span> <span word="each">each</span> <span word="year">year</span> <span word="by">by</span> <span word="warning">warning</span> <span word="whenan">whenan</span> <span word="area">area</span> <span word="should">should</span> <span word="be">be</span> <span word="evacuated">evacuated</span>, <span word="the">the</span> <span word="scientists">scientists</span> <span word="say">say</span>. <span word="Such">Such</span> <span word="natural">natural</span> <span word="disasters">disasters</span> <span word="arccommon">arccommon</span> <span word="in">in</span> <span word="countries">countries</span> <span word="that">that</span> <span word="experience">experience</span> <span word="sudden">sudden</span>, <span word="heavy">heavy</span> <span word="rainfall">rainfall</span>, <span word="and">and</span> <span word="can">can</span> <span word="also">also</span> <span word="betriggered">betriggered</span> <span word="by">by</span> <span word="earthquakes">earthquakes</span> <span word="and">and</span> <span word="even">even</span> <span word="water">water</span> <span word="erosion">erosion</span>. <span word="Themost">Themost</span> <span word="common">common</span> <span word="way">way</span> <span word="to">to</span> <span word="monitor">monitor</span> <span word="a">a</span> <span word="slope">slope</span> <span word="for">for</span> <span word="signs">signs</span> <span word="of">of</span> <span word="an">an</span> <span word="imminent">imminent</span> <span word="landslide">landslide</span> <span word="is">is</span> <span word="towatch">towatch</span> <span word="for">for</span> <span word="changes">changes</span> <span word="in">in</span> <span word="its">its</span> <span word="shape">shape</span>. <span word="Surveyors">Surveyors</span> <span word="can">can</span> <span word="do">do</span> <span word="this">this</span> <span word="by">by</span> <span word="measuring">measuring</span> <span word="asidedirectly">asidedirectly</span>, <span word="or">or</span> <span word="sensors">sensors</span> <span word="sunk">sunk</span> <span word="into">into</span> <span word="boreholes">boreholes</span> <span word="or">or</span> <span word="fixed">fixed</span> <span word="above">above</span> <span word="ground">ground</span> <span word="can">can</span> <span word="be">be</span> <span word="used">used</span> <span word="tomonitor">tomonitor</span> <span word="the">the</span> <span word="shape">shape</span> <span word="of">of</span> <span word="a">a</span> <span word="slope">slope</span>. <span word="Slopes">Slopes</span> <span word="can">can</span>. <span word="however">however</span>, <span word="change">change</span> <span word="shape">shape</span> <span word="withouttriggering">withouttriggering</span> <span word="a">a</span> <span word="landslide">landslide</span>, <span word="so">so</span> <span word="either">either</span> <span word="method">method</span> <span word="is">is</span> <span word="prone">prone</span> <span word="to">to</span> <span word="causing">causing</span> <span word="false">false</span> <span word="alarms">alarms</span>. <span word="NowDixons">NowDixons</span> <span word="team">team</span> <span word="has">has</span> <span word="developed">developed</span> <span word="a">a</span> <span word="device">device</span> <span word="that">that</span> <span word="listens">listens</span> <span word="for">for</span> <span word="the">the</span> <span word="vibrations">vibrations</span> <span word="caused">caused</span> <span word="whenparticles">whenparticles</span> <span word="begin">begin</span> <span word="moving">moving</span> <span word="within">within</span> <span word="a">a</span> <span word="slope">slope</span>. <span word="The">The</span> <span word="device">device</span> <span word="is">is</span> <span word="currently">currently</span> <span word="being">being</span> <span word="testedin">testedin</span> <span word="a">a</span> 6-<span word="metre">metre</span>-<span word="tall">tall</span> <span word="artificial">artificial</span> <span word="clay">clay</span> <span word="embankment">embankment</span> <span word="in">in</span> <span word="Newcastle">Newcastle</span>2, <span word="UK">UK</span>. <span word="Early">Early</span> <span word="resultssuggest">resultssuggest</span> <span word="it">it</span> <span word="should">should</span> <span word="provide">provide</span> <span word="fewer">fewer</span> <span word="false">false</span> <span word="positives">positives</span> <span word="than">than</span> <span word="existing">existing</span> <span word="systems">systems</span>. <span word="Once">Once</span> <span word="ithas">ithas</span> <span word="been">been</span> <span word="carefully">carefully</span> <span word="and">and</span> <span word="thoroughly">thoroughly</span> <span word="tested">tested</span>, <span word="the">the</span> <span word="device">device</span> <span word="could">could</span> <span word="be">be</span> <span word="used">used</span> <span word="to">to</span> <span word="create">create</span> <span word="acomplete">acomplete</span> <span word="early">early</span>-<span word="warning">warning</span> <span word="system">system</span> <span word="for">for</span> <span word="dangerous">dangerous</span> <span word="Slopes">Slopes</span>. <span word="What">What</span> <span word="does">does</span> <span word="Such">Such</span> <span word="natural">natural</span> <span word="disasters">disasters</span> <span word="in">in</span> <span word="the">the</span> <span word="first">first</span> <span word="paragraph">paragraph</span> <span word="referto">referto</span>? <span word="B">B</span> <span word="Earthquakes">Earthquakes</span>. <span word="D">D</span> <span word="Landslides">Landslides</span>. <span word="A">A</span> <span word="The">The</span> <span word="initial">initial</span> <span word="movement">movement</span> <span word="is">is</span> <span word="hard">hard</span> <span word="to">to</span> <span word="spot">spot</span>. <span word="C">C</span> <span word="They">They</span> <span word="can">can</span> <span word="bedestructive">bedestructive</span> <span word="in">in</span> <span word="a">a</span> <span word="matter">matter</span> <span word="of">of</span> <span word="hours">hours</span> <span word="or">or</span> <span word="minutes">minutes</span>. <span word="Why">Why</span> <span word="do">do</span> <span word="researchers">researchers</span> <span word="develop">develop</span> <span word="a">a</span> <span word="new">new</span> <span word="device">device</span> <span word="to">to</span> <span word="monitor">monitor</span> <span word="signs">signs</span> <span word="of">of</span> <span word="landsides">landsides</span>? <span word="B">B</span> <span word="Because">Because</span> <span word="the">the</span> <span word="newdevice">newdevice</span> <span word="can">can</span> <span word="be">be</span> <span word="sunk">sunk</span> <span word="into">into</span> <span word="boreholes">boreholes</span> <span word="or">or</span> <span word="fixed">fixed</span> <span word="above">above</span> <span word="ground">ground</span>. <span word="D">D</span> <span word="Because">Because</span> <span word="the">the</span> <span word="common">common</span> <span word="methods">methods</span> <span word="areuseless">areuseless</span>. <span word="A">A</span> <span word="It">It</span> <span word="is">is</span> <span word="filled">filled</span> <span word="in">in</span> <span word="with">with</span> <span word="gravel">gravel</span>. <span word="C">C</span> <span word="It">It</span> <span word="is">is</span> <span word="dropped">dropped</span> <span word="into">into</span> <span word="a">a</span> <span word="borehole">borehole</span> <span word="filled">filled</span> <span word="in">in</span> <span word="withgravel">withgravel</span>. <span word="According">According</span> <span word="tothe">tothe</span> <span word="context">context</span>, <span word="what">what</span> <span word="does">does</span> <span word="the">the</span> <span word="word">word</span> <span word="positives">positives</span> <span word="in">in</span> <span word="the">the</span> <span word="fifth">fifth</span> <span word="paragraph">paragraph</span> <span word="mean">mean</span>? <span word="B">B</span> <span word="Evidences">Evidences</span>. <span word="DPredictions">DPredictions</span>.</p>
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