职称英语2009真题卫生类A级概括大意与完成句子
<p> 导语：以下英语网为大家整理了全面的职称英语考试历年真题及答案解析，《职称英语考试试题汇总：历年真题及答案解析》供大家参考学习。更多职称英语考试试题敬请关注英语网！</p><p>【推荐】关注英语网微信：<span word="yingyuwang">yingyuwang</span>2013，更快获取真题答案及成绩查询信息。</p><p> 第3部分：概括大意与完成句子（第23～30题，每题1分，共8分）</p><p> 下面的短文后有2项测试任务：（1）第23～26题要求从所给的6个选项中为第1～4段每段1选择个最佳标题；（2）第27～30题要求从所给的6个选项中为每个句子确定1个最佳选项。</p><p> <span word="Cancer">Cancer</span></p><p> 1 <span word="Cancer">Cancer</span> <span word="is">is</span> <span word="a">a</span> <span word="group">group</span> <span word="of">of</span> <span word="many">many</span> <span word="related">related</span> <span word="diseases">diseases</span> <span word="that">that</span> <span word="begin">begin</span> <span word="in">in</span> <span word="cells">cells</span>， <span word="the">the</span> <span word="bodys">bodys</span> <span word="basic">basic</span> <span word="building">building</span> <span word="blocks">blocks</span>. <span word="The">The</span> <span word="body">body</span> <span word="is">is</span> <span word="made">made</span> <span word="up">up</span> <span word="of">of</span> <span word="many">many</span> <span word="types">types</span> <span word="of">of</span> <span word="cells">cells</span>. <span word="Normally">Normally</span> <span word="cells">cells</span> <span word="grow">grow</span> <span word="and">and</span> <span word="divide">divide</span> <span word="to">to</span> <span word="produce">produce</span> <span word="more">more</span> <span word="cells">cells</span> <span word="as">as</span> <span word="they">they</span> <span word="are">are</span> <span word="needed">needed</span> <span word="to">to</span> <span word="keep">keep</span> <span word="the">the</span> <span word="body">body</span> <span word="healthy">healthy</span>. <span word="Sometimes">Sometimes</span>， <span word="this">this</span> <span word="orderly">orderly</span> <span word="process">process</span> <span word="goes">goes</span> <span word="wrong">wrong</span>. <span word="New">New</span> <span word="cells">cells</span> <span word="form">form</span> <span word="when">when</span> <span word="the">the</span> <span word="body">body</span> <span word="does">does</span> <span word="not">not</span> <span word="need">need</span> <span word="them">them</span>， <span word="and">and</span> <span word="old">old</span> <span word="cells">cells</span> <span word="do">do</span> <span word="not">not</span> <span word="die">die</span> <span word="when">when</span> <span word="they">they</span> <span word="should">should</span>. <span word="The">The</span> <span word="extra">extra</span> <span word="cells">cells</span> <span word="form">form</span> <span word="a">a</span> <span word="mass">mass</span> <span word="of">of</span> <span word="tissue">tissue</span> <span word="called">called</span> <span word="a">a</span> <span word="growth">growth</span> <span word="or">or</span> <span word="tumor">tumor</span>. <span word="Benign">Benign</span> （~良性的） <span word="tumors">tumors</span> <span word="are">are</span> <span word="not">not</span> <span word="cancer">cancer</span>. <span word="They">They</span> <span word="can">can</span> <span word="often">often</span> <span word="be">be</span> <span word="removed">removed</span> <span word="and">and</span>， <span word="in">in</span> <span word="most">most</span> <span word="cases">cases</span>， <span word="they">they</span> <span word="do">do</span> <span word="not">not</span> <span word="come">come</span> <span word="back">back</span> <span word="Malignant">Malignant</span> （恶性的） <span word="tumors">tumors</span> <span word="are">are</span> <span word="cancer">cancer</span>. <span word="Cells">Cells</span> <span word="in">in</span> <span word="malignant">malignant</span> <span word="tumors">tumors</span> <span word="are">are</span> <span word="abnormal">abnormal</span> <span word="and">and</span> <span word="divide">divide</span> <span word="without">without</span> <span word="control">control</span> <span word="or">or</span> <span word="order">order</span>.</p><p> 2 <span word="Scientists">Scientists</span> <span word="have">have</span> <span word="learned">learned</span> <span word="that">that</span> <span word="cancer">cancer</span> <span word="is">is</span> <span word="caused">caused</span> <span word="by">by</span> <span word="changes">changes</span> <span word="in">in</span> <span word="genes">genes</span> <span word="that">that</span> <span word="normally">normally</span> <span word="control">control</span> <span word="the">the</span> <span word="growth">growth</span> <span word="and">and</span> <span word="death">death</span> <span word="of">of</span> <span word="cells">cells</span>. <span word="Certain">Certain</span> <span word="lifestyle">lifestyle</span> <span word="and">and</span> <span word="environmental">environmental</span> <span word="factors">factors</span> <span word="can">can</span> <span word="change">change</span> <span word="some">some</span> <span word="normal">normal</span> <span word="genes">genes</span> <span word="into">into</span> <span word="genes">genes</span> <span word="that">that</span> <span word="allow">allow</span> <span word="the">the</span> <span word="growth">growth</span> <span word="of">of</span> <span word="cancer">cancer</span>. <span word="Many">Many</span> <span word="gene">gene</span></p>
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