英语六级阅读理解每日一练(125日)
<p> <span word="x">x</span></p><p> 1. <span word="According">According</span> <span word="to">to</span> <span word="the">the</span> <span word="author">author</span>, <span word="what">what</span> <span word="may">may</span> <span word="be">be</span> <span word="the">the</span> <span word="possible">possible</span> <span word="carriers">carriers</span> <span word="of">of</span> <span word="bird">bird</span> <span word="flu">flu</span>?</p><p> 2. <span word="The">The</span> <span word="main">main</span> <span word="sources">sources</span> <span word="of">of</span> <span word="influenza">influenza</span> <span word="viruses">viruses</span> <span word="in">in</span> <span word="lake">lake</span> <span word="water">water</span> <span word="are">are</span>__________, <span word="which">which</span> <span word="may">may</span> <span word="stay">stay</span> <span word="infectious">infectious</span> <span word="for">for</span> <span word="up">up</span> <span word="to">to</span> 30 <span word="days">days</span>.</p><p> 3. <span word="By">By</span> <span word="saying">saying</span> <span word="bird">bird</span> <span word="flu">flu</span> <span word="viruses">viruses</span> <span word="appear">appear</span> <span word="to">to</span> <span word="exist">exist</span> <span word="in">in</span> <span word="ducks">ducks</span> <span word="in">in</span> <span word="a">a</span> <span word="low">low</span>-<span word="pathogenic">pathogenic</span> <span word="form">form</span> , <span word="the">the</span> <span word="author">author</span> <span word="suggests">suggests</span> <span word="that">that</span> <span word="infection">infection</span></p><p> 4. <span word="On">On</span> <span word="what">what</span> <span word="condition">condition</span> <span word="can">can</span> <span word="the">the</span> <span word="birds">birds</span> <span word="spread">spread</span> <span word="the">the</span> <span word="influenza">influenza</span> <span word="through">through</span> <span word="migration">migration</span>?</p><p> 5. <span word="According">According</span> <span word="to">to</span> <span word="the">the</span> <span word="study">study</span> <span word="team">team</span>, __________<span word="is">is</span> <span word="a">a</span> <span word="practice">practice</span> <span word="that">that</span> <span word="can">can</span> <span word="encourage">encourage</span> <span word="transmission">transmission</span> <span word="of">of</span> <span word="the">the</span> <span word="bird">bird</span> <span word="flu">flu</span>.</p><p> 文章精要</p><p> 文章重点介绍了禽流感病毒的主要携带者以及其可能的传播途径、变异后果等，还指出迁徙的鸭子可能会将禽流感传染到尚未发现<span word="H">H</span>5<span word="N">N</span>1型禽流感案例的北美大陆。</p><p> 1.<span word="Wild">Wild</span> <span word="ducks">ducks</span> <span word="and">and</span> <span word="other">other</span> <span word="migratory">migratory</span> <span word="birds">birds</span>./<span word="Ducks">Ducks</span>，<span word="geese">geese</span> <span word="and">and</span> <span word="wading">wading</span> <span word="birds">birds</span>.</p><p> 文章开头指出，野鸭以及其他迁徙鸟类可能是致命性禽流感的重要携带者，由此可得答案;第二段又提到，鸭子可能在传染野鸟，而鹅和涉水鸟也可能是病毒的携带者，由此也可得答案。</p><p> 2.<span word="bird">bird</span> <span word="feces">feces</span></p><p> 根据题干中的关键词<span word="lake">lake</span> <span word="water">water</span>和30 <span word="days">days</span>定位到第四段，可知研究表明，湖水中的流感病毒一般是通过鸟粪传播的，这些病毒的传染性可长达30天。</p><p> 3.<span word="doesnt">doesnt</span> <span word="usually">usually</span> <span word="lead">lead</span> <span word="to">to</span> <span word="severe">severe</span> <span word="illness">illness</span> <span word="and">and</span> <span word="death">death</span></p>
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