Unit 2 Topic 1 Pollution causes too many problems. Section A&B 教案

Unit 2 Saving the world
Unit 2 Topic 1 Pollution causes too many problems
一、教学课题：Topic 1 There are many kinds of pollution around us.
二、教学内容：
1. Master some new words and useful expressions：
Produce, chest, breathe, manage, waste, cancer, influence, look, several, secretary, relation, fisherman, president, dead, rabbit
2. Learn the present perfect tense with for/since:
— How long have you been like this?
— I have been like this since last month.
3. Learn something about some kinds of pollution:
（1）The large population has caused many problems.
（2）Air pollution makes people sick.
（3）Light pollution is harmful to our eyes.
（4）Litter influences the look of our cities.
4. Let students know that pollution is really a serious problem.
5. Talk about the environment in the past, at present, and how to protect the environment.
6. Let the students know something about the noise pollution in order to make life comfortable and pleasant.
三、教学目标:
1. Learn the present perfect tense with since.
2. Learn how to express complaint.
3. Learn the present perfect tense with for.
4. Realize the harm of water pollution and enhance the students awareness of the importance of protecting the water resources.
5. Understand the sentences which express blame.
6. Realize the harm of noise pollution.
四、教学重点：
1. Learn the present perfect tense with since.
2. Learn how to express complaint.
3. Learn the present perfect tense with for.
4. Realize the harm of water pollution and enhance the students’ awareness of the importance of protecting the water resources
五、教学难点：
1. Learn the present perfect tense with since.
2. Learn how to express complaint.
3. Learn the present perfect tense with for.
六、教学准备： 课前让学生准备一些有关各种污染的一些图片。
七、教具：教学挂图, 录音机, 简笔画, 单词卡片.
八、课型：New lesson
九、教学过程：
Section A
Step 1 Review
Show some pictures to the students, then ask:
Now please look at these pictures. Would you like to say something about the environment around us? Please answer my questions.
No.1. where do you live?
And are you living in the countryside or in town?
No.2. Are there any changes in your village/town/city?
(What changes have taken place in your village?)
No.3. How do you like living there? Why?
(What problems do we have to face?)
Step 2 Presentation
Show some pictures about polluted water, ask the students to tell their partner what happened in the picture?
Then teach the words:
Chemical factory produce chest breathe
Get the students to look at the pictures and then talk about why the air smells terrible.
Listen to the tape again. Answer the following questions
(1) Who are in the picture?
(2) What are they talking about?
(3) Is the chemical factory near Granny抯 home?
(4) Can we find fish in the river?
(5) Is the sky blue?
Step 3 Read and say.
Get the students read 1a and answer the questions:
1. What抯 the matter with granny?
2. Will she stay here?
3. Does she have to see a doctor?
And then call the students find out the sentences used by granny to express complaint. Then do 1b in the class.
Step 4 Practice
Get the students Look at the pictures. Answer following questions.
(1) Are there any chemical factories in your city?
(2) Are they near your school?
(3) What was your city like a few years ago?
(4) Can you list some other kinds of pollution?
Ask the students to think about how the pollution come into being and realize the harm of the pollution.
Step 5 Work alone
Get the students define the following pollution with the phrases in 3a.
Step 6 Make a survey
Now make a survey to study something around your home.
Fill in the forms.
SectionB
Step 1 Review
Guessing games. Review the words about pollution. The teacher explains them with some simple sentences. Then asks the students to guess which kinds of pollution they are.
Step 2 Presentation
1. The teacher teaches the new words with guessing games or simple drawings:
Several, secretary, relation, fisherman, president, dead, rabbit.
2. Let the students to look at the pictures on the book, and then have discussion between two pictures. Make sure the students to know the differences between them.
Step 3 listen, read and say
Listen to the tape carefully, then answer these questions.
(1) What are the children planning to do now?
(2) Can you say something about West Hill?
(3) What did they see on West Hill two days later?
(4) What happened there?
(5) What did they do next?
The teacher check the answers
Step 4 Read and understand
Get the students read 1a again and fill out the form on the book. Then get the students to report it to classmates.
Step 5 Listening Test
Get the students listen to 2. Write down the letters that go with the pictures. Check the answers and finish 2.
Step 6 Practice
Get the students to look at the example given in 3. Compare them and understand the difference in the way of expression.
Then tell the students know the words:
I came to Ren’ai International School one year ago.
I have been at this school since last year / for one year.
（1）keep has kept for / since
（2）finish has finished
（3）be have been
（4）have has had
（5）be away from has been away from
（6）be dead has been dead