人教版九年级全册英语 Unit13 We're trying to save the earth! SectionA 1a-1c 教案

Unit 13 We’re trying to save the earth!
The First Period Section A(1a--1c)
教学目标
知识与技能
1.Master the key words and sentences :
(1)Key words: litter,bottom,fisherman.
(2)Sentences:
We’re trying to save the earth!
The river was dirty.Even the bottom of the river was full of rubbish.
But it used to be so clean!
Yes,but people are throwing litter into the river.
Everyone in this town should play a part in cleaning it up!
2.Learn to talk about pollution problem and environmental protection.
3.Train students’ listening and communicative competence.
过程与方法
1.Learn the new words through word cards and conversations.
2.Lead in the target language through listening and speaking practice.
3.Autonomous and cooperative approach.
情感、态度与价值观
We must love the earth and protect it.
重点
1.Master the key words and target language.
2.Learn to talk about pollution problem and environmental protection.
3.Improve students’ listening and speaking skills.
难点
How to talk about pollution problem and environmental protection.
教学过程
Step Ⅰ Warm up
Greet the students as usual.
Step Ⅱ Presentation
Show some pictures about pollution on the screen,lead students to talk about them.
Step Ⅲ. Learning
Here are some words related to different kinds of pollution. Write them in the box below. Then add more words.
loud music cars rubbish planes littering ships factories
smoking building houses mobile phones
noise pollution air pollution water pollution
____________ ___________ _____________
____________ ___________ _____________
____________ ___________ _____________
____________ ___________ _____________
Keys : noise pollution loud music planes mobile phones building houses
air pollution factories smoking cars building houses
water pollution ships rubbish littering factories
Step Ⅳ. Listening
1. 1b Listen and complete the sentences.
What was the problem
The river was _____________. Even the bottom (底部) of the river was full of ________. There were no more ______ for fishermen (渔民) to catch.
What caused the problem
People are throwing _______ into the river.
Factories are putting ______ into the river.
How should the problem be solved
We should write to the ____________ and ask
them to ___________ the factories. Everyone
should help to __________ the river.
Keys: really dirty rubbish fish litter waste government
close down clean up
2. Listen again and check (√) the sentences you hear.
1) We could go fishing in the river.
2) The river was really dirty.
3) The river has always been the nicest river in this town.
4) We should ask the teachers for help.
Keys: 2 3
Step V. Practice
1. Role-play the conversation in 1c.
Mark: The river was dirty. Even the bottom of the river was full of rubbish.
Tony: But it used to be so clean!
Mark: Yes, but people are throwing litter into the river.
Tony: Everyone in this town should play a part in cleaning it up!
2. Make conversations using the pollution in 1a.
A: The river has always been the nicest river in this town.
B: Yes, it used to be so clean.
A: But I was there last weekend and the river was really dirty.
B: What caused the problem
A: People are throwing litter into the river.
B: What should we do
A: Factories are also putting waste into the river.
B: Yes, everyone in this town should play a part.
A: We should write to the government and ask them to close down the factories.
B: What else can we do
A: Everyone should help to clean up the river.
Step Ⅵ. Language points
litter 作及物动词，意为“把...弄得乱七八糟”。
如：Don't litter up the floor with scraps of paper.
别往地上乱丢纸屑。
It is antisocial to leave one's litter in public places.
在公共场所遗弃杂物是妨害公共利益的。
Step Ⅶ Exercise
1. The street _____ ______ _____ (充满了) rubbish.
2. __________ (litter) causes pollution.
3. Factories are putting ____________ (pollute) water into the river.
Step Ⅷ Summary
In this period,we have mainly learned about some kinds of pollution in the world through some listening and speaking practice.And we have also developed our listening and speaking skills.
板书设计
Unit 13 We’re trying to save the earth!
The First Period
(1)Key words: litter,bottom,fisherman.
(2)Sentences:
We’re trying to save the earth!
The river was dirty.Even the bottom of the river was full of rubbish.
But it used to be so clean!
Everyone in this town should play a part in cleaning it up!