2016届四川省简阳市高考英语阅读理解选练（2）
<p> 四川省简阳市2016高考英语阅读理解选练（2）</p><p> 阅读下列四篇短文，从每小题后所给的<span word="A">A</span>,<span word="B">B</span>,<span word="C">C</span>或<span word="D">D</span>四个选项中，选出最佳选项。</p><p> <span word="Have">Have</span> <span word="you">you</span> <span word="ever">ever</span> <span word="noticed">noticed</span> <span word="the">the</span> <span word="colour">colour</span> <span word="of">of</span> <span word="the">the</span> <span word="water">water</span> <span word="in">in</span> <span word="a">a</span> <span word="river">river</span> <span word="or">or</span> <span word="stream">stream</span> <span word="after">after</span> <span word="a">a</span> <span word="heavy">heavy</span> <span word="rainfall">rainfall</span>?<span word="What">What</span> <span word="do">do</span> <span word="you">you</span> <span word="think">think</span> <span word="caused">caused</span> <span word="this">this</span> <span word="change">change</span> <span word="in">in</span> <span word="colour">colour</span>?<span word="It">It</span> <span word="is">is</span> <span word="soil">soil</span> <span word="that">that</span> <span word="has">has</span> <span word="been">been</span> <span word="washed">washed</span> <span word="into">into</span> <span word="the">the</span> <span word="river">river</span> <span word="from">from</span> <span word="the">the</span> <span word="riverbank">riverbank</span> <span word="or">or</span> <span word="from">from</span> <span word="the">the</span> <span word="nearby">nearby</span> <span word="fields">fields</span>. <span word="Components">Components</span> <span word="of">of</span> <span word="Soil">Soil</span></p><p> <span word="Soil">Soil</span> <span word="is">is</span> <span word="made">made</span> <span word="up">up</span> <span word="of">of</span> <span word="a">a</span> <span word="number">number</span> <span word="of">of</span> <span word="layers">layers</span>(层),<span word="each">each</span> <span word="having">having</span> <span word="its">its</span> <span word="own">own</span> <span word="distinctive">distinctive</span> <span word="colour">colour</span> <span word="and">and</span> <span word="texture">texture</span>. <span word="The">The</span> <span word="upper">upper</span> <span word="layer">layer</span> <span word="is">is</span> <span word="know">know</span> <span word="as">as</span> <span word="the">the</span> <span word="litter">litter</span>. <span word="It">It</span> <span word="acts">acts</span> <span word="like">like</span> <span word="a">a</span> <span word="blanket">blanket</span>,<span word="limiting">limiting</span> <span word="temperature">temperature</span> <span word="changes">changes</span> <span word="and">and</span> <span word="reducing">reducing</span> <span word="water">water</span> <span word="loss">loss</span>. <span word="The">The</span> <span word="topsoil">topsoil</span> <span word="layer">layer</span> <span word="is">is</span> <span word="made">made</span> <span word="up">up</span> <span word="of">of</span> <span word="small">small</span> <span word="particles">particles</span> <span word="of">of</span> <span word="rock">rock</span> <span word="mixed">mixed</span> <span word="with">with</span> <span word="rotten">rotten</span> <span word="plant">plant</span> <span word="and">and</span> <span word="animal">animal</span> <span word="matter">matter</span> <span word="called">called</span> <span word="humus">humus</span>(腐殖质),<span word="which">which</span> <span word="is">is</span> <span word="black">black</span> <span word="and">and</span> <span word="gives">gives</span> <span word="the">the</span> <span word="topsoil">topsoil</span> <span word="its">its</span> <span word="dark">dark</span> <span word="colour">colour</span>. <span word="This">This</span> <span word="layer">layer</span> <span word="is">is</span> <span word="usually">usually</span> <span word="rich">rich</span> <span word="in">in</span> <span word="nutrients">nutrients</span>,<span word="oxygen">oxygen</span>,<span word="and">and</span> <span word="water">water</span>. <span word="Below">Below</span> <span word="the">the</span> <span word="topsoil">topsoil</span> <span word="is">is</span> <span word="the">the</span> <span word="subsoil">subsoil</span>,<span word="a">a</span> <span word="layer">layer</span> <span word="that">that</span> <span word="contains">contains</span> <span word="more">more</span> <span word="stones">stones</span> <span word="mixed">mixed</span> <span word="with">with</span> <span word="only">only</span> <span word="small">small</span> <span word="amounts">amounts</span> <span word="of">of</span> <span word="organic">organic</span> <span word="matter">matter</span>. <span word="This">This</span> <span word="layer">layer</span> <span word="is">is</span> <span word="lighter">lighter</span> <span word="in">in</span> <span word="colour">colour</span> <span word="because">because</span> <span word="of">of</span> <span word="the">the</span> <span word="lack">lack</span> <span word="of">of</span> <span word="humus">humus</span>. <span word="Beneath">Beneath</span> <span word="the">the</span> <span word="soil">soil</span> <span word="lies">lies</span> <span word="a">a</span> <span word="layer">layer</span> <span word="of">of</span> <span word="bedrock">bedrock</span>.</p><p> <span word="Soil">Soil</span> <span word="forms">forms</span> <span word="from">from</span> <span word="the">the</span> <span word="bottom">bottom</span> <span word="up">up</span>. <span word="Over">Over</span> <span word="time">time</span> <span word="bedrock">bedrock</span> <span word="is">is</span> <span word="attacked">attacked</span> <span word="by">by</span> <span word="rain">rain</span>,<span word="wind">wind</span>,<span word="frost">frost</span>,<span word="and">and</span> <span word="snow">snow</span>. <span word="It">It</span> <span word="is">is</span> <span word="gradually">gradually</span> <span word="broken">broken</span> <span word="down">down</span> <span word="into">into</span> <span word="smaller">smaller</span> <span word="particles">particles</span> <span word="in">in</span> <span word="a">a</span> <span word="process">process</span> <span word="called">called</span> <span word="weathering">weathering</span>. <span word="Plants">Plants</span> <span word="begin">begin</span> <span word="to">to</span> <span word="grow">grow</span>,<span word="and">and</span> <span word="rotten">rotten</span> <span word="materials">materials</span> <span word="enrich">enrich</span> <span word="the">the</span> <span word="topsoil">topsoil</span>. <span word="Most">Most</span> <span word="of">of</span> <span word="the">the</span> <span word="soil">soil</span> <span word="in">in</span> <span word="Eastern">Eastern</span> <span word="Canada">Canada</span>,<span word="for">for</span> <span word="example">example</span>,<span word="was">was</span> <span word="formed">formed</span> <span word="from">from</span> <span word="weathered">weathered</span> <span word="rock">rock</span> <span word="that">that</span> <span word="was">was</span> <span word="exposed">exposed</span> <span word="when">when</span> <span word="the">the</span> <span word="ice">ice</span> <span word="disappeared">disappeared</span> 12,000 <span word="years">years</span> <span word="ago">ago</span>. <span word="Water">Water</span> <span word="Beneath">Beneath</span> <span word="the">the</span> <span word="Soil">Soil</span></p>
页:
[1]