1. To get Ss to have knowledge of the grammar point: the apposition and appositive clause..

2. To enable Ss to know the differences between the attributive clause and the appositive clause.

Teaching Procedures:

Step 1. Leading-in

(1) Ask Ss to look at the following sentences and then find out the similarities.

1. The news that our women's volleyball team had got the first place made all of us excited.

2. The fact that our earth is round is known to us.

3. I have no idea when we'll set off.

(2) Get Ss to find out all the clauses in the reading text.

Part3 Line 1: The whole scientific world followed the progress of the first successful clone, Dolly the sheep.

Part3 Line 2: The fact that she seemed to develop normally was very encouraging.

Part3 Line 2:Then came the disturbing news that Dolly had become seriously ill.

Part3 Line 6: Altogether Dolly lived for six years, half the length of the life of the original sheep.

Step 2. Grammar point

1. 概说

英语里同位语也是一种名词修饰语，单词、短语和从句都可用作同位语，最简单而又常见的同位语是位于所修饰的先行词之后，用来说明身份、职务、称号等的名词或名词短语。下面就从同位语的引导方式、同位语的构成来谈谈英语同位语。

2. 同位语的构成

　　(1) 名词及其短语（有时有逗号隔开）

George Bush，the present American president，was the governor of the state of Texas．

(2) 动名词短语（有逗号隔开）

He enjoys the exercise，swimming in winter．

(3) 不定式短语（有时有逗号隔开）

There is one thing he'll never do-tell lies．

(4) 形容词及其短语（有逗号隔开）

He，short and thin，is unfit for the job．

(5) 介词短语（有时有逗号隔开）

As the head of the company，he had to explain what had happened．＝He，the head of the company，had to explain what had happened．