(共21张PPT)
Enjoy a video!
27世纪载言
www 21cny.com
21世纪载言
山uu.21cnJy.com
What are the problems of the world
The air
ris polluted
The water邑is polluted
The grouna is dug too much
The tempreture is getting warmer.
What can we do to save the world
Save energy:Turn off the lights
Recycle the waste which can be
when you leave the classroom.
reused:Collect plastic bottles.
Unit 1
lf
everyone starts to do something
the world will be saved.
将被拯数
主将从现
6
19
cttelingiaprmicture
8
smoke,air pollution
The air is polluted.
7
a f
factory
10
waste,water pollution
The water is polluted.
2
品
a recycling
14
waste paper and glass
centre
21世纪载言
山u山.21cnJy.o
Listen and complete the sentences.
1.The factory is causing a lot of
pollution
2.There should be some
rules
to stop the pollution.
3.We can recycle waste products,such as glass
and paper in a recycling centre.
27世纪载盲
山u.2cn.com
Let's listen to the conversation between
Lingling and her classmates.
21世2载盲
uuu山21cny.com
Listen and complete the notes.
Problems
What the students can do
If the rivers are polluted,
Support a green school:every class
which can be.Then the school
to help students
In some places,pollution from
Students learn
factories
That means
The cars on the roads