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2013年托福考试语法模拟试题及答案详解4

中华考试网   2013-10-24   【
  1. Chromosomes are regarded today as the major carriers of genetic material, _________ of DNA and various types of protein.
  
  A. consisting
  
  B. as to consist
  
  C. consist
  
  D. which consisting
  
  答案:A
  
  分析:分词作状语。如果用consist的话,应该用个conj.后面加个完整的句子。
  
  参考译文:染色体现今被认为是主要的遗传物质携带者,这些遗传物质由DNA和各种各样的蛋白质组成。
  
  2. The leopard seal is the only pinniped _________ preys on penguins and other seals.
  
  A. that normally
  
  B. of which it normally
  
  C. normally
  
  D. that it normally
  
  答案:A
  
  分析:句中出现is和preys两个谓语动词,一定是个复合句;用that引导定语从句,pinniped为先行词,that后为不完整句。
  
  参考译文:美洲虎海豹是仅有的捕食企鹅和其他海豹的鳍足类动物。
  
  3 _________ “nova” means new, novas are actually stars that have existed for a long time and suddenly flare into brilliance.
  
  A. That
  
  B. Why
  
  C. Although
  
  D. It is
  
  答案:C
  
  分析:空格后有2个完整句,空格处需要一个conj.
  
  参考译文:尽管nova意味着新的,但其实新星们是存在了很久而突然闪耀出光辉的恒星。
  
  4. Because Mars is farther from the Sun than _________, Mars takes longer to complete a revolution.
  
  A. Earth is
  
  B. is from Earth
  
  C. what is Earth
  
  D. is it Earth
  
  答案:A
  
  分析:比较结构的对称性:Mars is farther …… than Earth is,is后省略了from the Sun
  
  参考译文:因为火星比地球离太阳要远,火星绕太阳转一圈的时间要比地球长。
  
  5. A social system is _________ of social relations that draws the behavior of its members toward the core values of the group.
  
  A. a complex network
  
  B. how a complex network
  
  C. a complex network and
  
  D. a network that is complex
  
  答案:A
  
  分析:缺宾语。B中的从句只有主语,句子不完整,错;C中and作为连词,后面缺谓语,错;D错,因为of前应该为名词。
  
  参考译文:社会系统就是一个社会关系的复杂网络,这个网络里把成员的行为方式向核心价值观靠拢。
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