Properties: Pictures：TV; Overhead Projector; Recorder

Teaching Procedures:

I. Showing amis

Get the students to know what they will learn in this lesson and what they will do in this class:

1. To master some useful expressions.

2. To learn the grammar: the Present Perfect Tense.

3. To make the similar dialogues freely.

4. To know that they should protect the environment and make our world more beautiful.

II . Revision

Revise the grammar; the Present Perfect Tense. Ask: Have you ever been to the Great Wall? How many times have you been there? Get the students to ask and answer in pairs. Then ask several pairs to act out their dialogues.

III. Presentation

Present this dialogue:

A: Where have you been?

B: I've been to a paper factory.

A: What did you do there?

B: I saw the worker making paper there.

Present this dialogue with one student as an example, then ask the students to practise this dialogue in pairs, and get some of them to act out the dialogue.

IV. Practice

Put up a picture of a paper factory on the blackboard, get the students to talk about the factory, for example; " This is a paper factory, it makes paper, but it also makes smoke and waste water. I found the smoke was put into the air and the waste water was put into the river near it. The river has become very dirty. Lots of fish have died." Have the students talk in groups of four and then ask some of them to read out their report to share with the whole class.

V. Read and say

Part 1. Speech Cassette. Play the tape twice for the students to listen and repeat. Ask the students to read the dialogue in groups of three. Then read for the class. Get the students to read the dialogue individually again and find the answer to the following questions:

1. Where has Hu Lan just been to?

2. Why has the river near the factory become dirty?

3. What has happened to the fish in the river?

4. What does Greener China want to do?

5. Why are they going to write to the TV station and the newspaper?

6. Do you take care of the environment? Why or why not?

7. What can you do to improve the environment?

VI. Ask and answer

Read through the dialogues with the students. Ask and answer in pairs. Then make similar dialogues in pairs using the phrases in the box of the book.

VII. Write