Module 4 The natural world Unit 12 The Earth Period 3 课件(共20张PPT)

(共20张PPT)
Period 3
Unit 12 The Earth
Reading
We live on the Earth. The Earth is a beautiful place.
居住在地球上
There are rivers, oceans, land
and forests.
There are many different plants and animals too.
People, plants and animals need clean water and air.
Sometimes people throw rubbish
into rivers and oceans.
Sometimes people cut down
too many trees.
Smoke from cars and factories makes the air dirty.
The Earth gets sick.
生病
Now people work together to keep
the Earth clean and healthy.
They pick up rubbish.
捡垃圾
They plant trees every year.
They recycle glass and paper.
回收玻璃和废纸
They bring their own shopping bags
and stop using plastic bags.
use ----used----using
过去式
现在分词
1. We should cut down trees.
2. We should build more factories and houses.
3. We should write on both sides of paper.
4. We should use more plastic bags and bottles.
ask and answer
5. We should not litter.
6. We should throw rubbish into rivers.
7. We should stop killing wild animals.
8. We should walk or ride a bike more often.
ask and answer
小作文
The Earth is sick!
The Earth was clean and beautiful in the past.
But now some parts are ___________.
We should ___________________.
We should stop _______________.
The Earth is sick!
The Earth was clean and beautiful in the past.
But now some parts are ___________.
We should ___________________.
We should stop _______________.
dirty
plant trees
using plastic bags
cutting down trees
throwing rubbish into rivers
recycle glass and paper
pick up rubbish
Thank You