历年GRE阅读材料中的难句精选100句(四)
<p> 编辑点评： 大家在复习<span word="GRE">GRE</span>作文时，把历年的阅读真题拿出来重新阅读和分析是非常好的一个复习方法，这里为大家精选的是<span word="GRE">GRE</span>历年考试的阅读部分的难句，如果大家可以花时间搞懂这些句子，相信对作文的提高一定有所帮助。</p><p> 31. <span word="Studies">Studies</span> <span word="by">by</span> <span word="Hargrave">Hargrave</span> <span word="and">and</span> <span word="Geen">Geen</span> <span word="estimated">estimated</span> <span word="natural">natural</span> <span word="community">community</span> <span word="grazing">grazing</span> <span word="rates">rates</span> <span word="by">by</span> <span word="measuring">measuring</span> <span word="feeding">feeding</span> <span word="rates">rates</span> <span word="of">of</span> <span word="individual">individual</span> <span word="zooplankton">zooplankton</span> <span word="species">species</span> <span word="in">in</span> <span word="the">the</span> <span word="laboratory">laboratory</span> <span word="and">and</span> <span word="then">then</span> <span word="computing">computing</span> <span word="community">community</span> <span word="grazing">grazing</span> <span word="rates">rates</span> <span word="for">for</span> <span word="field">field</span> <span word="conditions">conditions</span> <span word="using">using</span> <span word="the">the</span> <span word="known">known</span> <span word="population">population</span> <span word="density">density</span> <span word="of">of</span> <span word="grazers">grazers</span>.</p><p> 由哈格雷夫和吉恩所进行的研究，对自然条件下的群落捕食速率进行了估计，其手段是通过测量出实验室内单独的浮游动物种类的捕食速率，然后利用已知的食草动物种群密度，计算出实地状况下的群落捕食速率。</p><p> 难句类型：复杂修饰</p><p> 解释：本句对阅读者的阅读能力提出了更高的要求，不但要求读者读清楚句子的复杂的结构，而且对读者的词汇能力也提出了更高的要求。</p><p> <span word="By">By</span>以前结构无需解释，<span word="by">by</span>以后有两个作介词宾语短语的动名词结构，<span word="measuring">measuring</span>和后面表示并列和顺接的<span word="and">and</span> <span word="then">then</span>之后的<span word="computing">computing</span>，说的是计算方法;前一个<span word="measuring">measuring</span>说的是先算出实验室中浮游动物品种的单位捕食速率，后面的<span word="computing">computing</span>前其实省略了一个<span word="by">by</span>，而且在这个动名词结构中还包括一个分词结构<span word="using">using</span> <span word="the">the</span> <span word="known">known</span> <span word="population">population</span> <span word="density">density</span> <span word="of">of</span> <span word="grazers">grazers</span>，用已知的捕食者的种群密度计算出其野外的群体捕食速率。整个的<span word="by">by</span>以后的计算过程简单了就是：实验室单位速率 野外密度=野外群体速率</p>
页:
[1]