人教版九年级全册英语 Unit13 We're trying to save the earth! SectionA 3a-3b 教案

Unit 13 We’re trying to save the earth!
The Third Period Section A 3a
Ⅰ.Teaching Goal：
1. Language goal
Words：litter, bottom, fisherman
phrases：be harmful to, at the top(of sth.), take part in,
Sentences patterns：We’re trying to save the earth!
The river used to be so clean.
The air is badly polluted.
2. Ability Objects: the passive voice, modal verbs and used to sentence patterns.
3. Affective goal: Environmental crisis awareness, learn to pay attention to environmental protection.
II.Key and difficult points in Teaching：
1 the passive voice, modal verbs and used to sentence patterns.
2 Measures to protect the environment
III.Procedure of teaching:
Step1:Lead in
T:Do you like animals How many kinds of animals do you know
Ss: Yes. Cat, dog, wolf,rabbit......
T: Well done! Now let’s watch a video to check if you know these animals.
(Paly a video)
T: Do you know these animals
Ss:No.
T: There are many animals in the world. But some of them are extinct.The animal is also in danger.What animals are they
Ss: Sharks.
T:Yes.
Step2:Presentation
1.T: Referring to sharks, we have to talk about shark fin soup. Do you know what is shark fin soup
Have you ever had shark fin soup
Ss:No.
T:As we know , shark fin soup is made of shark. Would you like to know more about sharks
Ss:Yes.
2. Before you read：
Look at the picture, the questions in 3a and the title of the story on page 99. Then answer the questions below.
①What can you see in the picture
②What may the passage talk about
3. While you read
Skimming：
Read the title, the first and the last sentence of each paragraph and match the main ideas.
Para 1 Bad things happen when people cut off sharks’ fins.
Para 2 Environmental protection groups have done things to protect sharks.
Para 3 You’re killing a whole shark when you enjoy a bowl of shark fin soup.
Scanning：
（1）Read Paragraph 1 and judge the sentences.
①Shark’s fin（鱼鳍）soup is famous and expensive all around the world.
②You’re killing a whole shark when you enjoy a bowl of shark fin soup.
（2）Read Paragraph 2 and fill in the chart.
people enjoy ________
fishermen ________ ________ ________ then
________
________ decreased quickly
（3）Read Paragraph 3 and judge the sentences.
①WildAid and the WWF are environmental protection groups
in China.
②Two environmental groups appeal to establish laws to stop the sale of shark fins.
③Shark’s fins are good for health.
（4）Work on 3a.
Read the passage about sharks and complete the fact sheet.
Where shark fin soup is popular
Number of sharks caught and traded every year
How much numbers of some kinds of sharks have fallen in the last 20 to 30 years
Two environmental groups against “finning”
Step3:Group Work
What can we do to save the sharks Work with your partners and make a poster about shark protection.