2017届《名师A计划》高考英语新人教版一轮复习配套练习：必修1 Unit 4《Earthquakes》（含解析）
<p> <span word="Unit">Unit</span> 4 <span word="Earthquakes">Earthquakes</span></p><p> (60分钟79分)</p><p> <span word="Part">Part</span> <span word="A">A</span></p><p> 一、阅读理解(共7小题;每小题2分,满分14分)</p><p> <span word="A">A</span></p><p> <span word="Scientists">Scientists</span> <span word="at">at</span> <span word="UC">UC</span> <span word="Berkeley">Berkeley</span> <span word="released">released</span> <span word="a">a</span> <span word="video">video</span> <span word="showing">showing</span> <span word="an">an</span> <span word="earthquake">earthquake</span> <span word="early">early</span>-<span word="warning">warning</span> <span word="system">system</span> <span word="that">that</span> <span word="sent">sent</span> <span word="an">an</span> <span word="alert">alert</span> <span word="before">before</span> <span word="the">the</span> <span word="magnitude">magnitude</span>-6.0 <span word="Napa">Napa</span> <span word="earthquake">earthquake</span> <span word="on">on</span> <span word="Sunday">Sunday</span> <span word="morning">morning</span>.</p><p> <span word="Officials">Officials</span> <span word="said">said</span> <span word="the">the</span> <span word="system">system</span> <span word="provided">provided</span> <span word="an">an</span> <span word="alert">alert</span> 10 <span word="seconds">seconds</span> <span word="before">before</span> <span word="the">the</span> <span word="quake">quake</span> <span word="was">was</span> <span word="felt">felt</span>.</p><p> <span word="California">California</span> <span word="is">is</span> <span word="working">working</span> <span word="to">to</span> <span word="complete">complete</span> <span word="a">a</span> <span word="statewide">statewide</span> <span word="system">system</span>,<span word="which">which</span> <span word="could">could</span> <span word="be">be</span> <span word="completed">completed</span> <span word="in">in</span> <span word="the">the</span> <span word="next">next</span> <span word="few">few</span> <span word="years">years</span>.</p><p> <span word="Once">Once</span> <span word="fully">fully</span> <span word="developed">developed</span>,<span word="the">the</span> <span word="system">system</span> <span word="could">could</span> <span word="give">give</span> <span word="downtown">downtown</span> <span word="Los">Los</span> <span word="Angeles">Angeles</span> 40 <span word="to">to</span> 50 <span word="seconds">seconds</span> <span word="of">of</span> <span word="warning">warning</span> <span word="that">that</span> <span word="the">the</span> “<span word="Big">Big</span> <span word="One">One</span>” <span word="was">was</span> <span word="headed">headed</span> <span word="from">from</span> <span word="the">the</span> <span word="San">San</span> <span word="Andreas">Andreas</span> <span word="fault">fault</span>,<span word="giving">giving</span> <span word="time">time</span> <span word="for">for</span> <span word="elevators">elevators</span> <span word="to">to</span> <span word="stop">stop</span> <span word="at">at</span> <span word="the">the</span> <span word="next">next</span> <span word="floor">floor</span> <span word="and">and</span> <span word="open">open</span> <span word="up">up</span>,<span word="firefighters">firefighters</span> <span word="to">to</span> <span word="open">open</span> <span word="up">up</span> <span word="garage">garage</span> <span word="doors">doors</span>,<span word="high">high</span>-<span word="speed">speed</span> <span word="trains">trains</span> <span word="to">to</span> <span word="slow">slow</span> <span word="down">down</span> <span word="to">to</span> <span word="avoid">avoid</span> <span word="derailment">derailment</span> <span word="and">and</span> <span word="surgeons">surgeons</span> <span word="to">to</span> <span word="take">take</span> <span word="the">the</span> <span word="scalpel">scalpel</span>(手术刀) <span word="out">out</span> <span word="of">of</span> <span word="a">a</span> <span word="patient">patient</span>.</p><p> <span word="A">A</span> lack of funds,however,has slowed the system’s progress.</p><p> <span word="The">The</span> <span word="system">system</span> <span word="works">works</span> <span word="because">because</span> <span word="while">while</span> <span word="earthquakes">earthquakes</span> <span word="travel">travel</span> <span word="at">at</span> <span word="the">the</span> <span word="speed">speed</span> <span word="of">of</span> <span word="sound">sound</span>,<span word="sensors">sensors</span> <span word="that">that</span> <span word="initially">initially</span> <span word="detect">detect</span> <span word="the">the</span> <span word="shaking">shaking</span> <span word="near">near</span> <span word="the">the</span> <span word="epicenter">epicenter</span> <span word="of">of</span> <span word="a">a</span> <span word="quake">quake</span> <span word="can">can</span> <span word="send">send</span> <span word="a">a</span> <span word="message">message</span> <span word="faster">faster</span>—<span word="at">at</span> <span word="the">the</span> <span word="speed">speed</span> <span word="of">of</span> <span word="light">light</span>—<span word="to">to</span> <span word="warn">warn</span> <span word="residents">residents</span> <span word="farther">farther</span> <span word="away">away</span> <span word="that">that</span> <span word="the">the</span> <span word="quake">quake</span> <span word="is">is</span> <span word="coming">coming</span>.</p><p> <span word="Rep">Rep</span>.<span word="Adam">Adam</span> <span word="Schiff">Schiff</span> (<span word="D">D</span>-<span word="Burbank">Burbank</span>) <span word="said">said</span> <span word="the">the</span> <span word="successful">successful</span> <span word="test">test</span> <span word="showed">showed</span> <span word="the">the</span> <span word="need">need</span> <span word="for">for</span> <span word="the">the</span> <span word="system">system</span>.</p><p> “<span word="While">While</span> <span word="this">this</span> <span word="was">was</span> <span word="not">not</span> <span word="the">the</span> ‘<span word="big">big</span> <span word="one">one</span>’,<span word="we">we</span> <span word="need">need</span> <span word="to">to</span> <span word="be">be</span> <span word="prepared">prepared</span> <span word="to">to</span> <span word="save">save</span> <span word="lives">lives</span> <span word="and">and</span> <span word="protect">protect</span> <span word="vital">vital</span> <span word="infrastructure">infrastructure</span>(基础设施)—<span word="even">even</span> <span word="a">a</span> <span word="few">few</span> <span word="seconds">seconds</span> <span word="of">of</span> <span word="warning">warning</span> <span word="will">will</span> <span word="allow">allow</span> <span word="people">people</span> <span word="to">to</span> <span word="seek">seek</span> <span word="cover">cover</span>,<span word="automatically">automatically</span> <span word="slow">slow</span> <span word="or">or</span> <span word="stop">stop</span> <span word="trains">trains</span>,<span word="pause">pause</span> <span word="surgeries">surgeries</span> <span word="and">and</span> <span word="more">more</span>,” <span word="he">he</span> <span word="said">said</span> <span word="in">in</span> <span word="a">a</span> <span word="statement">statement</span>.</p>
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