2015年职称英语考试《理工类》A级阅读理解范题精讲(7）
<p> 练习：</p><p> 1 .<span word="Why">Why</span> <span word="are">are</span> <span word="ants">ants</span> <span word="compared">compared</span> <span word="to">to</span> <span word="ecosystem">ecosystem</span> <span word="engineers">engineers</span>?</p><p> <span word="A">A</span> <span word="Because">Because</span> <span word="they">they</span> <span word="build">build</span> <span word="their">their</span> <span word="own">own</span> <span word="nests">nests</span>.</p><p> <span word="B">B</span> <span word="Because">Because</span> <span word="they">they</span> <span word="collect">collect</span> <span word="food">food</span>.</p><p> <span word="C">C</span> <span word="Because">Because</span> <span word="their">their</span> <span word="activity">activity</span> <span word="affects">affects</span> <span word="the">the</span> <span word="environment">environment</span>.</p><p> <span word="D">D</span> <span word="Because">Because</span> <span word="they">they</span> <span word="are">are</span> <span word="predators">predators</span>.</p><p> 2. <span word="As">As</span> <span word="predators">predators</span>, <span word="ants">ants</span></p><p> <span word="A">A</span> <span word="prey">prey</span> <span word="on">on</span> <span word="small">small</span> <span word="as">as</span> <span word="well">well</span> <span word="as">as</span> <span word="large">large</span> <span word="animals">animals</span>.</p><p> <span word="B">B</span> <span word="collect">collect</span> <span word="nutritious">nutritious</span> <span word="food">food</span> <span word="from">from</span> <span word="the">the</span> <span word="soil">soil</span></p><p> <span word="C">C</span> <span word="collect">collect</span> <span word="food">food</span> <span word="as">as</span> <span word="decomposers">decomposers</span>.</p><p> <span word="D">D</span> <span word="prey">prey</span> <span word="on">on</span> <span word="species">species</span> <span word="much">much</span> <span word="higher">higher</span> <span word="up">up</span> <span word="the">the</span> <span word="food">food</span> <span word="chain">chain</span>.</p><p> 3. <span word="Dir">Dir</span> <span word="Sanders">Sanders</span> <span word="study">study</span> <span word="centered">centered</span> <span word="on">on</span> <span word="how">how</span> <span word="ants">ants</span></p><p> <span word="A">A</span> <span word="can">can</span> <span word="manage">manage</span> <span word="to">to</span> <span word="thrive">thrive</span> <span word="in">in</span> <span word="huge">huge</span> <span word="numbers">numbers</span>.</p><p> <span word="B">B</span> <span word="defend">defend</span> <span word="their">their</span> <span word="resources">resources</span> <span word="and">and</span> <span word="territory">territory</span> <span word="against">against</span> <span word="other">other</span> <span word="predators">predators</span>.</p><p> <span word="C">C</span> <span word="attack">attack</span> <span word="those">those</span> <span word="invading">invading</span> <span word="animals">animals</span> <span word="for">for</span> <span word="survival">survival</span>.</p><p> <span word="D">D</span> <span word="produce">produce</span> <span word="such">such</span> <span word="a">a</span> <span word="big">big</span> <span word="impact">impact</span> <span word="on">on</span> <span word="the">the</span> <span word="environment">environment</span>.</p><p> 4. <span word="What">What</span> <span word="does">does</span> <span word="paragraph">paragraph</span> 6 <span word="tell">tell</span> <span word="us">us</span>?</p><p> <span word="A">A</span> <span word="Ants">Ants</span> <span word="bring">bring</span> <span word="about">about</span> <span word="a">a</span> <span word="negative">negative</span> <span word="influence">influence</span> <span word="to">to</span> <span word="an">an</span> <span word="area">area</span> <span word="when">when</span> <span word="their">their</span> <span word="population">population</span> <span word="is">is</span> <span word="small">small</span>.</p><p> <span word="B">B</span> <span word="Ants">Ants</span> <span word="bring">bring</span> <span word="about">about</span> <span word="a">a</span> <span word="positive">positive</span> <span word="influence">influence</span> <span word="to">to</span> <span word="an">an</span> <span word="area">area</span> <span word="when">when</span> <span word="their">their</span> <span word="population">population</span> <span word="is">is</span> <span word="small">small</span>.</p><p> <span word="C">C</span> <span word="Ants">Ants</span> <span word="predation">predation</span> <span word="counteracts">counteracts</span> <span word="the">the</span> <span word="positive">positive</span> <span word="influence">influence</span> <span word="they">they</span> <span word="may">may</span> <span word="have">have</span> <span word="on">on</span> <span word="an">an</span> <span word="area">area</span>.</p><p> <span word="D">D</span> <span word="At">At</span> <span word="higher">higher</span> <span word="density">density</span>, <span word="ants">ants</span> <span word="produce">produce</span> <span word="a">a</span> <span word="positive">positive</span> <span word="influence">influence</span> <span word="on">on</span> <span word="an">an</span> <span word="area">area</span>.</p><p> 5. <span word="What">What</span> <span word="still">still</span> <span word="remains">remains</span> <span word="unclear">unclear</span> <span word="about">about</span> <span word="ants">ants</span>, <span word="according">according</span> <span word="to">to</span> <span word="the">the</span> <span word="last">last</span> <span word="paragraph">paragraph</span>?</p>
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