Teaching difficult points教学难点

Get students learn how to compare and distinguish defining and non-defining clauses.

Teaching methods教学方法

Explaining and practicing.

Teaching aids教具准备

A projector, some slides and a blackboard.

Teaching procedures & ways教学过程与方式

Step I Grammar

T: We have learned Attributive Clauses in last unit. And there are many Attributive Clauses in the last reading passage. Now you are given one minute to find them.

One minute later, ask one or two students to read these sentences out.

S1: 1. When he was 17 years old, he traveled across Europe and Asia with his father, who wanted to do trade with the Chinese.

2. He was very impressed by Beijing and the Emperor's Palace, especially the Summer Palace which he described as "The greatest palace that ever was ..."

3. There were inventions and developments in China which were not available in Europe at that time.

4. He was also confused by the black stones people used to burn for fuel.

S2: 5. However, Marco was lucky enough to meet another prisoner who enjoyed listening to his stories about China.

6. The prisoner then wrote the stories in a book called The Description of the World, which became one of the best-selling books in Europe.

7. Just before he died, aged 70, Marco was asked the question, "Was it all true?", to which he replied, "I have only told half of what I saw!"

T: Good, can you divide these sentences into two parts?

S3: Group A: 1, 6, 7 Group B: 2,3,4,5.

T: You are right. Can you tell us the reason?

S3: In Group A, there are non-defining sentences, which are unnecessary and can be left out. While in Group B, the extra information is necessary, so we use