发布于：2020-05-03 13:33:38
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《Air》PPT课件
第一部分内容：Read and complete
Air has no ______ or _______.
Air has no _______ or _______.
We cannot ____ it, but we can ____ it.
Air is __________.
It is important to all ______.
It is also important to ______ and _____.
We all need it to keep us ____.
... ... ...
《Air》PPT，第二部分内容：Read and say
1. The parachute falls down slowly.
2. The parachute is open.
3. The parachute hits the ground gently.
4. There is air in the parachute.
Air pollution is harmful!
1 It’s harmful to the health of people
2 It’s harmful to the nature.
3 Air pollution spreads easily.
4 Air pollution is a global problem.
5 People should stop using coal.
... ... ...
《Air》PPT，第三部分内容：Ask and answer
Where does air pollution come from?
It comes from the smoke.
Where is the smoke from?
It comes from cars, buses and factories.
What’s the matter with Kitty?
Her eyes hurt.
What hurts her eyes?
It’s the smoke.
Where is the smoke from?
It’s from cars, buses and the factory.
... ... ...
《Air》PPT，第四部分内容：Say and act
What’s the matter, Kitty? Are you crying?
I’m not crying. My eyes hurt.
It’s the smoke.
Where is the smoke from?
It’s from the cars and buses.
Look at the black smoke from the factory.
It makes the air dirty.
Let’s go to the park, Ben.
The air is clean there.
The air is so fresh here.
Yes. There are a lot of trees in the park. Trees keep the air clean.
We should plant more trees and keep the air clean.
Yes! We should keep our city clean.
... ... ...
《Air》PPT，第五部分内容：Homework
1. Listen to and read Student’s Book page 70.
2. Read, copy and spell the words:factory, factories, smoke, dirty, clean
3. Think about how to keep the air clean.
4. Finish Workbook pages 57 and 59.
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