常考的从属连词分三类：(1)关系代词( that, which ,what who. Whose) (2) 关系副词(where when why how) (3) 状语从句连接词 (where, when, if, though, because…)
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.
(3) A hinge joint is ------- permits the forward and backward movement of a door.
(A) the
(B) what
(C) those
(D) whose (88.10)
［答案］ B what = the thing that…
(4) Essentially, a theory is an abstract. Symbolic representation of ------- reality.
(A) what it is conceived
(B) that is conceived
(C) what is conceived to be
(D) that is being conceived of (89.5)
［答案］ C what = the thing that (is conceived to be…) .答案(A)中的代词it是多余的,因为what本身即已包含了先行词(the thing ) 和关系代词(that) .答案(B)中的关系代词that引导的从句不可以置于介词的后面.
(5) Most of the food what elephants eat is brought to their mouths by their trunks. (93.10
［答案］ B what应改为that.此句已含有先行词food,不能再用关系代词what.
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