内容正文:
Unit 8 A green world
Welcome to the unit
Learning aims
1. To learn some new words, phrases and sentences.
2. To talk about how to live a green life.
3. To know the importance of protecting the environment.
Watch and answer
What can you see from the video?
Our planet is in trouble! We should try our best to protect the environment
and live a green life.
Watch and answer
How can we live a green life?
1.What causes(造成)the air pollution?
2. As a student, how can we reduce air pollution?
It’s ____ for people to choose public transport or ride bicycles.
ride bicycles/ walk / take a bus
wise
We can to school.
Factories, rubbish, cars and so on.
Listen and fill
water is useful
We 1. ______ water.
We use water to 2. _____things every day.
We should not 3. _______ water.
We should 4. ______ and save it.
not much water
Save water
drink
clean
waste
reuse
How can we live a green life?
Further thinking: How to save and reuse water?
重复使用
Look and say
How can we live a green life?
Take shorter showers
短时间淋浴
How to save and reuse water?
Reuse water
mop the floor
wash the toilet(厕所)
water flowers/trees
clean the car...
keep them in mind!
Read and answer
1. Is there much coal or oil on Earth?
2. What should we do?
3. What should we do to save energy?
No, there isn’t.
We should save energy.
How can we live a green life?
Most of our energy comes from coal and oil. There is not much coal(煤)or oil on Earth. We should save energy. We should not drive so much because cars use a lot of energy.
We shouldn’t drive so
much.
Look and say
How can we live a green life?
Use both sides of the paper.
What else should we do to save energy?
Turn off the lights.
Use new types of energy.
Watch and answer
How can we live a green life?
2.How can we reduce waste to protect the environment?
Don’t use plastic(塑料) bags.
Separate(分类)the waste
Recycle (回收) the waste
Waste.
1. What can you see in the photos?
We can reduce air pollution