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托福英语语法指南—从属连词

时间:2021-09-06 17:19:00 托福英语 我要投稿

托福英语语法指南—从属连词

  复合句是TOEEL考题的基本句子结构,因而连接主句和从句的连接词就成为重要的命题焦点。TOEEL常考的从属连词分三类:

托福英语语法指南—从属连词

  (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...)有关从属连词的试题大部分集中在Structure (1—15题中)掌握命题规律,这类题目并不复杂。从属连词常考题型及解题要点 :

  1、主句与从句之间必须有从属连词

  全真例题分析

  (1)The spiral threads of a spider's web have a sticky substance on them ------- insects.

  (A) traps

  (B) trap its

  (C) which traps

  (D) which it traps (92.1)

  [答案] C定语从句关系代词which引导从句,且在从句中作主语。

  (2)Angiosperms inhabit relatively diverse environments and may be found ------- higher plants can survive.

  (A) there

  (B) wherever

  (C) somewhere

  (D) then (92.5)

  [答案] B空格前后为两个完整的句子,这里应填入连接词联系主从两句。四个选择只有wherever是连词,引导地点状语从句。

  (3)Duke Wellington was a composer. Conductor, and pianist ------ ranked as one of the greatest of all jazz figures.

  (A) him

  (B) although

  (C) or

  (D) who (92.10)

  [答案] D关系代词who引导定语从句,并作从句的主语。

  (4)-------. Some of the Earth*s interior heat escapes to the surface.

  (A) A volcano erupts

  (B) A volcano whether erupts

  (C) A volcano erupts it

  (D) If a volcano erupts (93.5)

  [答案] D从属连词引导条件状语从句。

  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 dise