"Why the numbers of pandas are decreasing as time goes by?"

First, get students to brainstorm for different reasons.

Then, get students to work in pairs to make a dialogue and guide them to use the structure of "be being done".

Step6 Writing

So far, we have found out some reasons that affected the missing of pandas. It's time for us to give some suggestions to save and protect pandas.

1. Brainstorming: Students are required to give their suggestions on save and protect pandas. And after that, give them some pictures as hints to make the suggestions clearer and correct. Provide them with some key word.

Key: Plant much more bamboo.

Build up nature reserves.

Make some posters to advertise the importance of protecting pandas.

Design some shirts of pandas to sell for money.

Raise money to do the protection.

...... ......

2. Writing task: Write a letter to WWF and tell the problems and give your suggestions on how to save and protect pandas.

Suggested structure:

Dear______,

　　　　　　　　Beginning (1.greetings)

　　　　　　　　Body (2.problems & suggestions)

　　　　　　　　Ending (3.wishes)

Yours truly,

signature(签名)

Tips: Use the structure "am/is/are being done" as much as possible.

Step7 Summary

Guide students to review what they learned today:

1. The structure and the usage of Present Progressive Passive Voice.

2. The awareness and importance of protecting pandas and the other wildlife.

Homework:

1. Finish this composition.

2. Search on the Internet or other sources for information about pandas.

3. 完成《优化设计》P59-61.