托福备考语法指导：从属连词及真题要点解析

　　(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。

　　(2) A circuit may be defined as a closed path ------- electricity can How。

　　(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。

　　4. What 引导的名词性从句

　　解题要点：what兼先行词和关系代词双重身份，即what = the thing (things) that…。因此考生应特别注意，what既已包含先行词在 内，它的前面就不应该再出现先行中心名词。What 与that 的区分是TOEEL常考题目

　　全真例题分析

　　(1) During the eighteenth century， Little Turtle was chief of the Miami tribe whose territory became ------- is now Indiana and Ohio。

　　(A) there

　　(B) where

　　(C) that

　　(D) what (93.5)

　　［答案］ D what = the area that。What所指代的是地点、位置。然而，此句却不可选择(B)where。因为关系副词where不能作从句的主语。只有what即是先行词又是关系代词。

　　(2) The chief foods eaten in any country depend largely on ------- best in its climate and soil。

　　(A) it grows

　　(B) what grows

　　(C) does it grow

　　(D) what does grow (90.1)

　　［答案］ B what grows = the thing that grows…另请注意：介词后面通常不能接that引导的从句，但可接what引导的名词性从句。