Period Three　Grammar & Writing

单元语法--非限制性定语从句和定语从句中的省略

Ⅰ.用适当的关系词填空

1．The Yangtze River，which is more than 6,000 kilometres long，is the third longest river in the world.

2．Sun Yat­sen，who was the leader of the 1911 Revolution，first suggested the idea in 1919.

3．His mother，who/whom he loved dearly，went abroad.

4．This machine，which he has looked after for many years，is still working perfectly.

5．Lucy，whose parents had died，had to make a living by herself.

Ⅱ.翻译句子

1．They set up a state of their own，where they would govern themselves.

他们自己成立了一个州，在那里，他们可以自治。

2．The letter is from my younger sister，who is working in Beijing.

这封信是我妹妹寄来的，她在北京工作。

3．I saw a good film，which was about the Long March.

我观看了一部好电影，是关于长征的。

4．His dog，which he liked very much，died yesterday.

他的狗昨天死了，他非常喜欢这条狗。

5．He suddenly fell ill，which prevented him from going to school.

他突然生病了，这使得他无法去上学。

一、非限制性定语从句

与限制性定语从句相比较，非限制性定语从句是指与主句关系不十分密切，只对主句中的先行词作补充说明作用的定语从句。其标志是主句和从句之间用逗号隔开。

1．引导非限制性定语从句的关系代词指人时用who，whom和whose；指物时用which和whose。

This is our headmaster，who I think has something important to tell you.