托福考试从属连词全真例题分析

　　托福考试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。