2017届重庆市高考英语一轮复习阅读理解选编精练：46（含解析）
<p> 重庆市2017高考英语阅读理解选编（46）（附解析）</p><p> 阅读理解。阅读下列短文, 从给的四个选项 (<span word="A">A</span>、<span word="B">B</span>、<span word="C">C</span>和<span word="D">D</span>) 中, 选出最佳选项。</p><p> <span word="Today">Today</span>, <span word="ultrasonic">ultrasonic</span>(超声的) <span word="waves">waves</span> <span word="are">are</span> <span word="being">being</span> <span word="put">put</span> <span word="to">to</span> <span word="work">work</span> <span word="in">in</span> <span word="laboratories">laboratories</span> <span word="and">and</span> <span word="factories">factories</span>. <span word="If">If</span> <span word="an">an</span> <span word="ultrasound">ultrasound</span> <span word="generator">generator</span> <span word="is">is</span> <span word="placed">placed</span> <span word="in">in</span> <span word="a">a</span> <span word="liquid">liquid</span>, <span word="the">the</span> <span word="waves">waves</span> <span word="move">move</span> <span word="the">the</span> <span word="liquid">liquid</span> <span word="back">back</span> <span word="and">and</span> <span word="forth">forth</span> <span word="hundreds">hundreds</span> <span word="of">of</span> <span word="thousands">thousands</span> <span word="of">of</span> <span word="times">times</span> <span word="each">each</span> <span word="second">second</span>. <span word="This">This</span> <span word="causes">causes</span> <span word="materials">materials</span> <span word="to">to</span> <span word="mix">mix</span> <span word="quickly">quickly</span> <span word="or">or</span> <span word="to">to</span> <span word="dissolve">dissolve</span>(使分解，使溶解) <span word="in">in</span> <span word="liquids">liquids</span>. <span word="Paint">Paint</span> <span word="manufacturers">manufacturers</span>(制造商) <span word="use">use</span> <span word="ultrasound">ultrasound</span> <span word="to">to</span> <span word="do">do</span> <span word="a">a</span> <span word="better">better</span> <span word="job">job</span> <span word="of">of</span> <span word="blending">blending</span> <span word="colors">colors</span>. <span word="The">The</span> <span word="companies">companies</span> <span word="that">that</span> <span word="make">make</span> <span word="film">film</span> <span word="for">for</span> <span word="your">your</span> <span word="camera">camera</span> <span word="find">find</span> <span word="that">that</span> <span word="mixing">mixing</span> <span word="chemicals">chemicals</span> <span word="by">by</span> <span word="the">the</span> <span word="use">use</span> <span word="of">of</span> <span word="sound">sound</span> <span word="waves">waves</span> <span word="will">will</span> <span word="produce">produce</span> <span word="a">a</span> <span word="more">more</span> <span word="sensitive">sensitive</span> <span word="film">film</span>.</p><p> <span word="The">The</span> <span word="new">new</span> <span word="lightweight">lightweight</span>(轻量的) <span word="type">type</span> <span word="of">of</span> <span word="washing">washing</span> <span word="machine">machine</span> <span word="uses">uses</span> <span word="ultrasonic">ultrasonic</span> <span word="waves">waves</span> <span word="to">to</span> <span word="get">get</span> <span word="clothes">clothes</span> <span word="clean">clean</span>. <span word="Its">Its</span> <span word="special">special</span> <span word="ultrasound">ultrasound</span> <span word="generator">generator</span> <span word="is">is</span> <span word="put">put</span> <span word="into">into</span> <span word="a">a</span> <span word="pail">pail</span> <span word="of">of</span> <span word="soapy">soapy</span> <span word="water">water</span> <span word="containing">containing</span> <span word="the">the</span> <span word="soiled">soiled</span> <span word="clothes">clothes</span>. <span word="The">The</span> <span word="sound">sound</span> <span word="waves">waves</span> <span word="drive">drive</span> <span word="the">the</span> <span word="soapy">soapy</span> <span word="water">water</span> <span word="back">back</span> <span word="and">and</span> <span word="forth">forth</span> <span word="through">through</span> <span word="the">the</span> <span word="cloth">cloth</span> <span word="so">so</span> <span word="fast">fast</span> <span word="that">that</span> <span word="everything">everything</span> <span word="is">is</span> <span word="soon">soon</span> <span word="clean">clean</span>. <span word="There">There</span> <span word="is">is</span> <span word="also">also</span> <span word="a">a</span> <span word="new">new</span> <span word="kind">kind</span> <span word="of">of</span> <span word="dishwasher">dishwasher</span> <span word="that">that</span> <span word="works">works</span> <span word="in">in</span> <span word="much">much</span> <span word="the">the</span> <span word="same">same</span> <span word="way">way</span>.</p><p> <span word="Ultrasonic">Ultrasonic</span> <span word="waves">waves</span> <span word="can">can</span> <span word="shake">shake</span> <span word="a">a</span> <span word="liquid">liquid</span> <span word="so">so</span> <span word="fast">fast</span> <span word="that">that</span> <span word="tiny">tiny</span> <span word="holes">holes</span> <span word="form">form</span> <span word="all">all</span> <span word="through">through</span> <span word="it">it</span>. <span word="The">The</span> <span word="liquid">liquid</span> <span word="is">is</span> <span word="actually">actually</span> <span word="torn">torn</span> <span word="apart">apart</span> <span word="by">by</span> <span word="this">this</span> <span word="action">action</span>. <span word="Almost">Almost</span> <span word="as">as</span> <span word="soon">soon</span> <span word="as">as</span> <span word="these">these</span> <span word="holes">holes</span> <span word="are">are</span> <span word="made">made</span>, <span word="they">they</span> <span word="fall">fall</span> <span word="together">together</span> <span word="again">again</span>. <span word="The">The</span> <span word="result">result</span> <span word="is">is</span> <span word="a">a</span> <span word="powerful">powerful</span> <span word="pounding">pounding</span> <span word="action">action</span>. <span word="In">In</span> <span word="the">the</span> <span word="dairy">dairy</span> <span word="industry">industry</span> <span word="this">this</span> <span word="is">is</span> <span word="used">used</span> <span word="for">for</span> <span word="the">the</span> <span word="double">double</span> <span word="purpose">purpose</span> <span word="of">of</span> <span word="making">making</span> <span word="homogenized">homogenized</span>(使均匀，使匀质) <span word="milk">milk</span> <span word="and">and</span> <span word="sterilizing">sterilizing</span>(使无菌) <span word="it">it</span> <span word="at">at</span> <span word="the">the</span> <span word="same">same</span> <span word="time">time</span>. <span word="If">If</span> <span word="you">you</span> <span word="look">look</span> <span word="at">at</span> <span word="some">some</span> <span word="raw">raw</span> <span word="milk">milk</span> <span word="with">with</span> <span word="a">a</span> <span word="microscope">microscope</span>, <span word="you">you</span> <span word="find">find</span> <span word="that">that</span> <span word="it">it</span> <span word="is">is</span> <span word="made">made</span> <span word="up">up</span> <span word="of">of</span> <span word="little">little</span> <span word="drops">drops</span> <span word="of">of</span> <span word="butter">butter</span> <span word="fat">fat</span> <span word="floating">floating</span> <span word="around">around</span> <span word="in">in</span> <span word="a">a</span> <span word="watery">watery</span> <span word="liquid">liquid</span>. <span word="In">In</span> <span word="order">order</span> <span word="to">to</span> <span word="make">make</span> <span word="milk">milk</span> <span word="easier">easier</span> <span word="to">to</span> <span word="digest">digest</span>, <span word="these">these</span> <span word="fat">fat</span> <span word="droplets">droplets</span>(微粒) <span word="may">may</span> <span word="be">be</span> <span word="broken">broken</span> <span word="up">up</span> <span word="by">by</span> <span word="forcing">forcing</span> <span word="the">the</span> <span word="milk">milk</span> <span word="through">through</span> <span word="very">very</span> <span word="small">small</span> <span word="openings">openings</span>. <span word="The">The</span> <span word="result">result</span> <span word="is">is</span> <span word="called">called</span> <span word="homogenized">homogenized</span> <span word="milk">milk</span>. <span word="When">When</span> <span word="the">the</span> <span word="ultrasonic">ultrasonic</span> <span word="method">method</span> <span word="is">is</span> <span word="used">used</span>, <span word="the">the</span> <span word="sound">sound</span> <span word="waves">waves</span> <span word="not">not</span> <span word="only">only</span> <span word="break">break</span> <span word="up">up</span> <span word="the">the</span> <span word="droplets">droplets</span> <span word="but">but</span> <span word="also">also</span> <span word="kill">kill</span> <span word="the">the</span> <span word="germs">germs</span> <span word="in">in</span> <span word="the">the</span> <span word="milk">milk</span> <span word="by">by</span> <span word="pounding">pounding</span> <span word="them">them</span> <span word="to">to</span> <span word="pieces">pieces</span>.</p>
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