GRE考试阅读辅导：长难句实例分析65
<p> <span word="The">The</span> <span word="correlation">correlation</span> <span word="of">of</span> <span word="carbon">carbon</span> <span word="dioxide">dioxide</span> <span word="with">with</span> <span word="temperature">temperature</span>, <span word="of">of</span> <span word="course">course</span>, <span word="does">does</span> <span word="not">not</span> <span word="establish">establish</span> <span word="whether">whether</span> <span word="changes">changes</span> <span word="in">in</span> <span word="atmospheric">atmospheric</span> <span word="composition">composition</span> <span word="caused">caused</span> <span word="the">the</span> <span word="warming">warming</span> <span word="and">and</span> <span word="cooling">cooling</span> <span word="trends">trends</span> <span word="or">or</span> <span word="were">were</span> <span word="caused">caused</span> <span word="by">by</span> <span word="their">their</span>.</p><p> 当然二氧化碳与大气温度之间的相互联系并不能确定到底是大气成分的变化引起了气候的变暖和变冷的趋势，还是大气成分的变化是由气候的冷暖变化造成的。</p><p> 难句类型：复杂修饰、插入语、省略</p><p> 解释：本句主句中的谓语<span word="establish">establish</span>在<span word="GRE">GRE</span>、<span word="GMAT">GMAT</span>和<span word="LSAT">LSAT</span>的阅读文章中除了可以作建立的意思以外，还有一个更常用的意思，就是确定、确证的意思，等于<span word="determine">determine</span>, <span word="prove">prove</span>或<span word="confirm">confirm</span>，另外，本句的省略很容易使读者将指代关系搞混：在最后的<span word="or">or</span> <span word="were">were</span> <span word="caused">caused</span> <span word="by">by</span> <span word="their">their</span>当中，存在两处省略：<span word="or">or</span>之后省略了与<span word="whether">whether</span>一句中相同的主语<span word="changes">changes</span> ;最后的<span word="their">their</span>之后又省略了与<span word="whether">whether</span>从句中的主语一样的<span word="changes">changes</span>。这里不管将<span word="their">their</span>之后被省略的内容看成是<span word="warming">warming</span> <span word="and">and</span> <span word="cooling">cooling</span> <span word="trends">trends</span>还是看成<span word="composition">composition</span>都是错误理解。</p><p> 意群训练：<span word="The">The</span> <span word="correlation">correlation</span> <span word="of">of</span> <span word="carbon">carbon</span> <span word="dioxide">dioxide</span> <span word="with">with</span> <span word="temperature">temperature</span>, <span word="of">of</span> <span word="course">course</span>, <span word="does">does</span> <span word="not">not</span> <span word="establish">establish</span> <span word="whether">whether</span> <span word="changes">changes</span> <span word="in">in</span> <span word="atmospheric">atmospheric</span> <span word="composition">composition</span> <span word="caused">caused</span> <span word="the">the</span> <span word="warming">warming</span> <span word="and">and</span> <span word="cooling">cooling</span> <span word="trends">trends</span> <span word="or">or</span> <span word="were">were</span> <span word="caused">caused</span> <span word="by">by</span> <span word="their">their</span>.</p><p> </p>
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