什么是从属连词?

什么是从属连词?
什么是从属连词?

什么是从属连词?
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复合句（主从句）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：(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填空部分,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
[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[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[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
[答案] D,从属连词引导条件状语从句.