Language Focus:
do well in; keep your classroom clean and tidy; Collect waste paper for recycling; pick flowers; Step on the grass; cut down trees

Properties: Recorder; Overhead Projector; Pictures

Teaching Procedures:
I. Showing aims
Get the students to know what they will learn in this lesson and what they should do in this class:
1. Master some useful expressions.
2. Revise the contents of Unit 3.
3. Train their listening ability.
4. Improve their writing ability.
5. Go through Checkpoint 3.

II. Revision
1. Revise the useful expressions in Unit 3. Ask the students to do some translations, translate some sentences into English.
2. Revise the Present Perfect Tense. Ask: How long have you been a … ? What have you done since you became …? Get the students to ask and answer in pairs.

III. Listen
Listening Cassette. Play the tape twice for the students to listen and do Exercise I in the workbook. Then play the tape again for the students to check. Check the answers with the whole class and get them to practise in pairs.

IV. Practice
Get a student to come to the front and ask the other students to ask him or her questions . They can ask him or her as many as possible. The questions may about the environment. According to the answer, see if the student is doing well in protecting the environment , if he or she is doing OK in protecting the environment, if he or she needs to do better in protecting environment.

V. Writing
According to Step IV, get the students to write a short report about the student, Begin with: … is a good boy / girl in our class. He / She always keep our classroom clean and tidy … Then ask two or three students to read their reports to share with the whole class.

VI. Read and match
Have the students read through the four pictures and then read through the four passages on the left, have the students match them individually, check with the whole class. The answers are: b; a; d; c

VII. Checkpoint 3
Go through Checkpoint 3 in the usual way. Explain any problems that the students may have. Get the students to go over the grammar notes: the Present Perfect Tense.

VIII. Workbook
Do Exercise 2 orally in class. Pay attention to the stress.
For Exercise 3, have the students read and compare the sentences and say out the differences.
Do Exercise 5 individually first, then check with the whole class. The answers are: have visited; gives; pumped; was; have died; became; had already died; write; do; stopped
Do Exercise 4 as homework. Write- something about the environment Pollution.

IX. Summary
Exercises for class
Puzzle dialogue

A: ______________________________
B: Good morning.
What’s your trouble, young man?
A: ______________________________
B: How long have you been like this?
A: ______________________________
B: Have you taken your temperature?
A: ______________________________
B: Well, you have caught a cold.
A: ______________________________
B: No, nothing serious, Take these
Pills and stay in bed for two days.
A: ______________________________
B: Yes, You must stay at home for two days.
A: ______________________________
B: No, nothing serious. Take these pills and
Stay in bed for two days.
A: ______________________________
B: It’s a pity if you can’t go. But health is
better than wealth（财富）.

1. Oh, no I can’t stay in bed.
We’ll have a football match
Next Monday. And if we win
The match, each of us will get A T-shirt!

2. Good morning, doctor.

3. I’ve got a headache and a cough. I’m feeling terrible.

4. Do you mean I can’t go to school for two days, doctor.

5. Since last night.

6. Yes, the nurse has. She said it was a little high.

7. Is it serious, doctor?

X. Homework
Finish off the exercises in the workbook.