2011托福语法指导：真题要点解析之从属连词2
2. 关系代词 who与which混淆错用解题要点：在written Expression （16-40题）中的四个选择答案中出现who 或者which，应确认它所指代的是人还是物。
全直例题分析
（1）Fossil remains indicate that squidlike creatures called belemnites swam in the sea who covered the North American continent 70 million years ago. （94.5）
[答案] C 关系代词who指代的是sea，因此应用指物的which或that.
（2）Vaccines for some rare diseases are given only to persons which risk exposure to the disease. （93.1）
[答案] B 关系代词which指代前面的persons，应改为人称关系代词who.
（3）Anne Elizabeth McDowell is best remembered for a weekly journal， the Woman*s Advocate， who she launched in January 1855. （91.8）
[答案] D 关系代词who指代杂志the woman*s Advocate，故应改为which.
（4） The attorney general of the United States advises the President on any questions of law who may arise in the conduct of administrative affairs. （90.10）
[答案] B 关系代词who指代前文的questions of law，故应改为which或that.
3. 介词+关系代词which结构
解题要点 介词+which作用相当于一个关系副词，在从句作状语。可表示时间（=when） ，地点（= where） ，原因（=why）等等。
全真例题分析
（1） In reorganizing the curriculum of Mt. Holyoke College in the late 1800*s Elizabeth Mead laid the foundation —— the modern college rests.
（A） is which
（B） on which
（C） which is on
（D） on it （91.1）
[答案] B on which 指代on the foundation ，作用相当于一个表示地点的关系副词。
2011托福语法指导：真题要点解析之从属连词2
（2） A circuit may be defined as a closed path —— electricity can How.</p> （A） through it（B） through which
（C） that is through
（D） there goes through （93.3）
[答案] B through which 指代through the circuit， 作用相当于一个关系副词，而介词through才能准确地表达句子的含义。
（3） The extent of the harmful effect of locoweeds on animals depends on the soil —— the plants grow.
（A） which
（B） which in
（C） in which
（D） in （90.5）
[答案] C in which = where
（4） Adhesives， such as glue， tape and gum， vary with the purpose —— intended.
（A） they were for
（B） for they were
（C） which were they
（D） for which they were （93.10）
[答案] D for which指代for the purpose.
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