2. China’s population is expected to increase to about 1. 5 billion in 2040, after ____ it will start to decline slowly.

A. where　　 B. which 　　　 C. when D. that

1. The schools themselves admit that not all children will be successful in the jobs ______

　they are being trained.

　A. in that　 　　　B. for that　　 　　　　C. in which 　　　　　D. for which

3.The journey around the world took the old sailor nine months, _______ the sailing time was 226 days.

　 A. of which　 　B. during which　 C. from which　 　　D. for which

[解析]A　 考查介词+关系代词的用法。关系代词which指代the journey, 定语从句恢复为独立的句子是：The sailing time of the journey was 226 days.

[语法专练]

2. Recently I bought an ancient Chinese vase, _____ was very reasonable.

　　 A. which price　　　 C. the price of which

　　 B. its price　　　　D. the price of whose

[解析]C　 考查the+名词+of+关系代词的用法。按照“the+名词+of+关系代词”结构排除。he price of which＝whose price=of which the price。

1. In the dark street, there wasn’t a single person _____ she could turn for help.

　A. that　　 B. who　　　 C. from whom　　 D. to whom　

[解析]D　 考查介词+关系代词用法。依据turn to sb. for help固定结构，表示“向某人求助”可知答案

5. 部分词汇/结构+of+关系代词

This is the best way in which he can remember the words.

这是他记住单词的最好方法

[典型例题]

4. the+名词+of+关系代词

Recently I bought an ancient Chinese vase ,the price of which(＝whose price)was very reasonable.

The journey around the world took the old sailor nine months, of which the sailing time was 226 days.

3. 单个介词+关系代词+名词

He lived in London for 3 months, during which time he learned some English.

The driver was the man from whose room she had stolen the maps.

2．复杂介词+关系代词

They arrived at a small house, in front of which sat a small boy.

他们来到一家农舍，前边坐着一个小男孩

I saw a man, on the head of whom stood a bird.

我看到一个人，他头上站着一只鸟

1. 单个介词+关系代词

The two things of which they felt very proud were his marks and hearth.

他们引以为自豪的事情是他的成绩和健康