英语九年级全册Unit 13 We’re trying to save the earth第一课时(SectionA)1a-2d（共有PPT29张，含音频）

(共29张PPT)
Unit 13 We’re trying to save the earth
第一课时
(Section A)1a-2d
展标（1'）
1、通过观察图片了解各种污染方式
2、通过听力训练及2d掌握环境保护作文 的写法
攻标(8')：
1、通过观察图片了解各种污染方式
2、课本1a
water pollution
noise pollution
problems
air pollution
noise pollution
noise/air pollution
air pollution
water pollution
Here are some words related to different kinds of pollution. Write them in the box below. Then add more words.
1a
loud music cars rubbish planes
littering ships factories smoking
building houses mobile phones
litter v. 乱扔 n. 垃圾；废弃物
rubbish n. 垃圾；废弃物
litter 作不可数名词，意为“垃圾；废弃物”。
litter和rubbish都可指“垃圾”，用作不可数名词。
rubbish指“没用的东西(被扔或将要丢弃的无用的东西)”不可回收。
litter指“(室内或公共场所)乱扔的废物(纸屑、不要的包装纸、废瓶等)”还可回收。
eg: There will be fines for people who drop litter .
乱扔垃圾的人将被罚款。
　　The room is full of rubbish. 房间里堆满了垃圾。
noise pollution
____________
____________
____________
____________
air pollution
___________
___________
___________
___________
water pollution
____________
____________
____________
____________
loud music
planes
mobile phones
factories
cars
smoking
ships
factories
littering
rubbish
building houses
building houses
loud music cars rubbish planes littering ships factories smoking building houses mobile phones
machines/
crowds…
burning/
chemical
materials…
industrial
waste …
评标(10')：
智P97-98
题一
题二
题三
回标（2'）：
小结：各类污染及生词
（1）noise pollution v. pollute
（2）air pollution
（3）water pollution
（4）rubbish/litter
学习目标二：2、通过听力训练掌握环境保护作文 的写法
攻标：课本1b - 2b
Predict what Tony and Mark are talking about according to the chart.Predict the answers before listening.
Pre-listening
What was the problem The river was ___________. Even the bottom of the river was full of _________. There were no more ____________for fishermen 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.
请认真阅读句子，分析每空应填词性，预测所填内容
n. 底部；最下部
反义词是top (顶端；顶部)
fisherman
n.渔民；钓鱼的人
Listen and complete the sentences.
1b
What was the problem The river was ___________. Even the bottom of the river was full of _________. There were no more ____________for fishermen 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.
really dirty
rubbish
fish
litter
waste
government
close down
clean up
Tony wants to go _________ in the river with Mark this afternoon. But Mark doesn’t want to go, _______ he went there last weekend and the river was really ______. Even the ______of the river was full of _______, and there were no more fish for fishermen to _______. Tony thinks the river used to be so ______. It has always been the _______(nice) river in this town. Mark tells Tony that people are throwing _____ (垃圾）into the river. Factories are also putting _____(废气物) into the river. They decide to write to the __________ (政府）and hope that it could _________ (关闭）the factories. They also think that everyone should help to ________ (清理 )the river and __________ (发挥作用） in protecting the environment.
Retell the conversation.
swimming
because
dirty
bottom
rubbish
catch
clean
nicest
litter
waste
government
close down
clean up
play a part
现象-原因-解决措施
Role-play the conversation. Then make your own conversations about the kinds of pollution in 1a.
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!
参与……；在……方面起作用；在……中扮演角色
problem
solution
cause
Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about.
2a
A. land pollution B. air pollution
C. noise pollution D. water pollution
2b
Listen again and complete the sentences.
1. The air is badly polluted because there are _____________ on the road these days.
2. Factories that burn coal also ___________ the air with a lot of black smoke.
3. There is also too much rubbish and waste. People ________________ things every day.
4. People are also littering in ________________ like parks. This is turning beautiful parks into ugly ones.
more cars
pollute
are throwing away
public places
评标(15')：
课本P2c-2d
找出解决措施
Use the information in 2a and 2b to role-play conversations between Jason and Susan.
The air has become really polluted around here. I’m getting very worried.
Yes, I used to be able to see stars in the sky.
The problem is that ...
2c
2d解决措施
air pollution--we should take the bus or subway instead of driving.
waste pollution--we can bring a bag to go shopping/ we never take wooden chopsticks or plastic forks when we buy takeway food.
we should throw rubbish in the bins and keep public places clean and beautiful
ending--our actions can make a differences and lead to a better future!
回标（2'）：
小结：环境保护作文的的写法
Key expressions:
Words:litter, bottom, fisherman, coal, public, ugly, advantage, cost, wooden, plastic, the bottom of, make a difference
Sentences:
1) The river used to be so clean.
2) People are throwing litter into the river.
3) It has always been the nicest river in this town.
4) We should write to the government.
5) I think one problem is that the air is badly polluted.
及时小结才能巩固所学知识
Summary
We love the earth. It is our planet.
We love the earth. It is our home.
Earth is our mother. Without earth,without life.
We can do it from little things,for ourselves and for our “mother”.
Homework
1、熟背课本2d
2、写一篇关于环境保护的作文