外研版九年级英语上册课件 Module 12 Save our world Unit 1 (共32张PPT)

(共32张PPT)
外研 九年级上
If everyone starts to do something, the world will be saved.
Unit 1
Module 12
Save our world
What environmental problems do you know
river pollution
air pollution
oil pollution
industrial waste pollution
white pollution
These pollutions are a danger to our health and to our world.
What can we do to save the world
We can save the world by recycling waste.
We can reduce air pollution by riding bicycles.
We can save water by taking shorter shower.
We can save energy by turning off the lights when we leave a room.
What else can we do
Turn off computers when we are not
using them.
2. Use both sides of a piece of paper.
3. Send e-cards instead of paper cards.
4. Buy products that can be used again.
5. Reduce waste.
1. To listen and understand the conversation about how to protect the environment
2. To learn to talk about environmental protection
3. To learn some key words and useful expressions
Objectives:
P96
1 Work in pairs. Look at the pictures and talk about them. Use the words in the box to help you.
factory pollute recycle waste
Some laws should be made to stop factories polluting. At the same time, people's awareness of environmental protection should be aroused and raised.
The waste air from factories is exhausted(排放). Many factories pour waste water into the lakes and rivers. And the waste plastics are also thrown into the river.
The factories are causing a lot of pollution.
③How do you think the factories can reduce pollution
①What may cause pollution
②Why do many of the factories pollute the air and rivers
Possible answer
2
P96
Listen and complete the sentences.
1. The factory is causing a lot of __________.
2. There should be some ________ to stop the pollution.
3. We can ________ waste products, such as ________ and paper in a recycling centre.
pollution
rules
recycle
glass
1
2
3
After a lesson on the environment, Lingling and her classmates are talking about it. Listen and read. Then finish the following tasks.
Pollution problems
What the students can do
Read and outline the basic structure of the passage.
Task 1
3
Complete the notes. (P 97)
Pollution problems
If the rivers are polluted, ____________
____________________________.
2. In some places, pollution from factories __________________________________.
3. The cars on the roads _______________
__________________________________.
farmers can’t use them to water their crops
spreads over cities and villages
use so much oil and cause pollution
Task 2
What the students can do
4. Support a green school: every class ___________ which can be ____________
_______. Then the school _____________
to help students ______________.
5. Students learn ____________________
______________. That means _________.
recycled or used again
collect waste
sells the waste
in poor areas
ways to save energy and recycle at home
less waste
1
2
3
4
5
比如说, 常用来表示举例说明。
It’s no use doing sth.
“做某事没有用处”
意为“好主意！”，相当于What a nice idea!
be worried about
担心……
也；还；而且
考虑
节约能源
Pay attention to the expressions.
担心……
也，还，而且
做某事没用
考虑
比如
节约能源
be worried about
as well
it’s no use doing sth
think of
such as
save energy
Task 3
Translation.
Read and try to recite the conversations in 5-10 minutes.
1. Role play the conversation in groups;
2. Role play the conversation in front of the class.
Let’s see which group does the best.
Pollution is our great (1) ________. Pollution from (2) ________ is a danger to our health, and may even (3) _______ people. Factories sometimes (4) ________ the rivers, and the farmers cannot use the water for their crops. Pollution (5) _______ over cities and villages, and that (6) ________ even more danger. Cars use a lot of (7) ___ and cause pollution too.
cause enemy factory kill oil pollute spread
enemy
factories
kill
pollute
spreads
causes
oil
P97
Complete the passage with the correct form of the words in the box.
Task 4
4
5
Listen and mark the words which the speaker links. (P 97)
1. After our lesson on the environment, I’m worried about the future.
2. Students at a green school also learn ways to save energy and recycle at home.
Now listen again and repeat.
在同一个意群(即短语或从句)中，如果相邻的两个词中前者以辅音音素结尾，后者以元音音素开头，就要自然地将辅音和元音相拼，构成一个音节，这就是连读。
连读的音节一般不重读，只需顺其自然地一带而过，不可以加音，也不可以读的太重。
英语连读的规则：
1. “辅音+元音”型
2. “辅音+半元音”型
3. “元音+元音”型
注意：若前一个词的结尾和后一个
词的开头相同，这两个词要
连读。
Talk
6
P97
Work in pairs. List the pollution problems in your place. Choose one problem and say what should be done about it.
I think we can ride our bicycles to school more.
The air pollution in our city is getting worse. What can we do to stop it
I think we can use less plastic bags and more cloth bags.
The white pollution in our city is getting worse. What can we do to stop it
The water pollution in our city is getting worse. What can we do to stop it
I think we can use less chemical products.
It’s everyone’s duty to protect the environment. And we should start from every aspect of our daily life. Only by changing the way we treat the environment can we get along well with it. Only by saving the environment can we save ourselves. If everyone starts to do something, the world will be saved.
Discuss with your parents and find out more ways to protect the environment. Then write them down.
Finish the exercises in Learning English.
3. Preview the passage How to be green on page 98.
Homework