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(共15张PPT)
SectionA 1a-1c
Unit 13
We’re trying to save the earth!
AIMS
To listen to specific information.
01
To talk about pollution and environmental protection.
02
To learn to use sentences .
03
Warming up
1978
2023
Let's take a look at two satellite images of the Earth.
What changes have happened to the Earth in these 45 years
from bright to dim
from blue to dark blue
fewer green and more yellow
Why
Warming up
What have we done
cut down trees
pollut rivers
pollute the air
hunt animals
pollut soil
more and more garbage
and so on
Warming up
What will happen if we keep on causing pollution
We won‘t have fresh air to breathe.
More and more animals don’t have places to live in.
We won’t have clean water to drink.
Natural disasters will occur frequently.
Presentation
Here are some words related to different kinds of pollution.
Write them in the box below. Then add more words.
loud music cars rubbish planes
littering ships factories smoking building houses mobile phones
be related to 与……有关
吵闹的音乐
汽车
垃圾
飞机
乱丢废物
船舶
工厂
吸烟
建造房屋
移动电话
noise pollution air pollution water pollution
Presentation
loud music
planes
mobile phones
factories
cars
smoking
ships
factories
littering
rubbish
building houses
building houses
Listening
Listen and complete the sentences.
What was the problem
The river was _____________. Even the bottom (底部) of the river was full of _________. There were no more ______ for fishermen (渔民) 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
Listening
used to do sth. “过去常常……”
表示过去习惯性的动作但如今已不存在。
play a part in doing sth.
“参与做某事; 在做某事上起作用”。
Listening
Listen again and answer the following questions.
1.What does Tony want to do later this afternoon
He wants to ______________________ in the river later this afternoon.
2.Why doesn’t Mark want to go with Tony
Because the river was really ______.
Even the bottom of the river was full of _______, and there were ___________ for fishermen to catch.
3. How was the river in the past
It used to be so _______. It has been the ___________ in this town.
go swimming with Mark
dirty
rubbish
no more fish
clean
nicest river
Role play
Pair work
Role-play the conversation.
Then make your own conversations about the kinds of pollution in 1a.
The river was dirty. Even the bottom of the river was full of rubbish.
But it used to be so clean!
Yes, but people are throwing litter into the river.
Everyone in this town should play a part in cleaning it up!
Using clean energy
Using public transportation
Save water
Tree planting and afforestation
Garbage classification
Establishing a protected area
So, to help save the earth,what should we do
Discussion
Homework
To think of much better way to treat our planet in future.
Thanks!

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