职称英语理工类考试考前每日一练(5)
<p> 职称英语理工类考试考前每日一练</p><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="warning">warning</span></p><p> <span word="A">A</span> <span word="device">device</span> <span word="that">that</span> <span word="provides">provides</span> <span word="early">early</span> <span word="warning">warning</span> <span word="of">of</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="UK">UK</span> <span word="researchers">researchers</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="when">when</span> <span word="an">an</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="are">are</span> <span word="common">common</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="be">be</span> <span word="triggered">triggered</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>.</p><p> <span word="Landslides">Landslides</span> <span word="start">start</span> <span word="when">when</span> <span word="a">a</span> <span word="few">few</span> <span word="particles">particles</span> <span word="of">of</span> <span word="soil">soil</span> <span word="or">or</span> <span word="rock">rock</span> <span word="Within">Within</span> <span word="a">a</span> <span word="slope">slope</span> <span word="start">start</span> <span word="to">to</span> <span word="move">move</span>，<span word="but">but</span> <span word="the">the</span> <span word="early">early</span> <span word="stages">stages</span> <span word="can">can</span> <span word="be">be</span> <span word="hard">hard</span></p><p> <span word="to">to</span> <span word="spot">spot</span>.<span word="Following">Following</span> <span word="this">this</span> <span word="initial">initial</span> <span word="movement">movement</span>.<span word="Slopes">Slopes</span> <span word="can">can</span> <span word="become">become</span> <span word="unstable">unstable</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="of">of</span> <span word="minutes">minutes</span>，<span word="says">says</span> <span word="Nell">Nell</span> <span word="Dixon">Dixon</span> <span word="at">at</span> <span word="Loughborough">Loughborough</span> <span word="University">University</span>，<span word="UK">UK</span>.<span word="He">He</span> <span word="says">says</span> <span word="a">a</span> <span word="warning">warning</span> <span word="system">system</span> <span word="that">that</span> <span word="monitors">monitors</span> <span word="this">this</span> <span word="movement">movement</span> <span word="might">might</span> <span word="be">be</span> <span word="enough">enough</span> <span word="to">to</span> <span word="evacu">evacu</span>。 <span word="ate">ate</span> <span word="a">a</span> <span word="block">block</span> <span word="of">of</span> <span word="flats">flats</span> <span word="or">or</span> <span word="clear">clear</span> <span word="a">a</span> <span word="road">road</span>，<span word="and">and</span> <span word="save">save</span> <span word="lives">lives</span>.</p><p> <span word="The">The</span> <span word="most">most</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="to">to</span> <span word="watch">watch</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="monitoring">monitoring</span> <span word="a">a</span> <span word="site">site</span> <span word="directly">directly</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="sued">sued</span> <span word="to">to</span> <span word="monitor">monitor</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="without">without</span> <span word="triggering">triggering</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="Now">Now</span> <span word="Nixons">Nixons</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="when">when</span> <span word="partieles">partieles</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>.</p>
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