大学英语：定语从句专项练习(三)

【考题】

7、 The treatment will continue until the patient reaches the point ________ he can walk correctly and safely.

A. when B. where

C. which D. whose

8、 There are several research centers in China ________ a certain disease called Bird Flu is being studied.

A. which B. where

C. when D. what

9、 I hope that the little ________ I have been able to do does good to them all.

A. which B. what

C. that D. when

【解析】

7、B.

因为表明“阶段、程度、地步”的the point在定语从句中作地址状语，所以用where引导定语从句。

8、B.

因为先行词是research centers并在定语从句中作状语，所以用where。

9、C.

因为当先行词是表明事物的all, little, few, much, anything, everything, nothing等时，多用that引导定语从句。