(共24张PPT)
U3 Writing(P39)
Lead in
How many problems are mentioned in U3 Reading What are they
We burn things to make energy. This pollutes the air.
We put our rubbish into the sea and under the ground. This pollutes the Earth and kills animals and plants.
air pollution
water pollution
land pollution
Is there other(其他的) pollution on Earth
Noise pollution
Light pollution
White pollution
Overfishing(过度捕捞)
Common Types of Pollution
Sentence Patterns
1) 在地球上有很多空气污染。(there be)
2)水污染无处不在。(is everywhere)
3)白色污染是一个严重的问题。(serious problem)
There is a lot of air pollution on Earth.
Water pollution is everywhere.
White pollution is a serious problem.
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Problem 1 (P39)
What do people do
(people/catch a lot of fish every day)
People catch a lot of fish every day.
What’s the result (后果)
(fewer and fewer fish in the sea each year)
There are fewer and fewer fish every year.
Problem 2
What do people do
(people/burn things to make energy)
People burn things to make energy.
What’s the result (后果)
(pollute the air)
This pollutes the air.
Problem 3
What do people do
(people/throw away a lot of rubbish every day)
People throw away a lot of rubbish every day.
What’s the result (后果)
(pollute the land)
This pollutes the land.
Problem 4
What do people do
(people/put waste into rivers and seas)
People put waste into rivers and seas.
What’s the result (后果)
(pollute the water)
This pollutes the water.
What can we do
Discussion & Brainsorm
Try to bring up at least five solutions to protect the Earth.
Take notes while discussing.
You may meet some new words. You can talk about it with your group mates, raise your hand or simply skip it.
In pairs, talk about what we can do to protect the Earth. Follow the example.
S1: What can we do to protect the Earth
S2: We must stop polluting the air.
S1: Are there any other things we can do
S2: We can take our own shopping bags
to the supermarket.
Speak up
What can we do
Possible answers: (P38)
We must stop polluting the air.
We must stop catching too many fish.
We must stop burning things to make energy.
We must stop throwing away too much rubbish.
We must stop putting waste into rivers and seas.
We can take our own shopping bags to the supermarket.
How to give suggestions(建议)
We must ...
We can ...
We should ...
We need to ...
We had better+ V-原形
It is important for us to...
1)我们应该使用塑料袋。(plastic bags)
2) 我们需要保护地球。
3) 对于我们来说,多种树很重要。
4)我们最好走路上学。
Sentence Patterns
We should stop using plastic bags.
We need to protect the Earth.
It is important for us to plant more trees.
We had better walk to school.
Writing
分两段;白色污染 再 水污染 plastic 塑料的
What else can we do to protect the Earth
Thank you!