1. Learn some useful words and expressions:

in danger, bamboo, land, whale, kill, south, bear, wolf

2. Homework:

　 根据讨论结果，以Water is Our Life为题写一篇短文。

板书设计:

1. (讨论有关水的问题。)

T: Just now, we talked about the importance of water. Next, please discuss the following questions about water in groups. Then each group gives your opinions in the front of the classroom.

(出示小黑板。)

(把学生分成四人一组，讨论这些问题，然后每组派一人汇报讨论结果。)

5. (听3录音，独立完成3。第一遍只听不写，从整体上了解短文内容。第二遍边听边写出空缺处的内容。第三遍听录音核对答案。)

T: Listen to the tape and finish 3. For the first time, you just need to know about the passage. You need to write down the answers for the second time. For the third time you need to check the answers.

(核对答案。)

Step 5　 Project 第五步 　综合探究活动(时间:5分钟)

4. (让学生根据关键词复述短文。)

　 T: Retell the text using the key words on the blackboard.

　 (2分钟后挑几名学生到前边复述。)

3. (学生听读2a短文，核对语音和语调并画出关键词。)

　 T: Listen to 2a and follow. Pay attention to the pronunciation and intonation. Write down the key words.

　 (板书)

2. (学生读2a，独立完成2b。)

　 T: There is more information in 2a. Read it and finish 2b.

　 (核对答案。)

1. (师生对话，引出生词。引入2a。)

T:　 Rainforests are very important to us. What do you think of water?

Ss: It’s very important to us, too.

T:　 What do humans need water to do?

Ss: We need water to drink, to cook and to clean.

T:　 Yes. In fact, water makes up the largest part of the human body.

(板书)

T:　 Water covers most parts of the earth. It’s in rivers, seas, lakes and oceans.

(板书)

T: All plants and animals need water, that is to say, water is important to all living things, so we must save every drop of water.

(板书)

4. (将短文内容编成对话来巩固。)

　 T: OK. Now please make up a dialog according to the passage. Then I will ask some groups to act it out.

Example:

　 S₁: Hi! S₂. Do you know the rainforest well?

　 S₂: Yes, what’s the matter?

　 S₁: I want to know about it. Could you help me?

　 S₂: No problem. I know rainforests cover 6% of the earth’s surface.

　 S₁: Really? Do thousands and thousands of animals live in them?

　 S₂: Yes, many of them live in the trees over 30 meters from the ground.

　 S₁: Could you tell me the importance of the rainforests?

　 S₂: Yes, they are the lungs of the earth. The plants in the forests help to make the air fresher. They also help to control the climate.

　 S₁: What can they give us?

　 S₂: They can give us wood, rubber, fruit, medicine and so on.

　 S₁: Are the rainforests becoming bigger and bigger?

　 S₂: No, they are becoming much smaller than before.

　 S₁: What should we do now?

　 S₂: I think we should protect them well.

　 S₁: I agree.

Step 4 　Practice 第四步 　练习(时间:10分钟)

3. (教师播放1a录音，学生跟读两遍，核对语音语调，并画出关键词句。)

　 (板书)

　 (根据黑板上的关键词，用接龙的形式复述短文。)

Example:

T: Now please retell the passage one by one according to the key words.

S₁: Rainforests cover 6% of the earth’s surface.

S₂: Thousands and thousands of animals live in rainforests.

S₃: …