2. the Earth
The Earth is…
We … the Earth.
There is/ are… on the Earth.

3. …is/ are useful.
coal
oil
coat
point 能源

4. the Earth

6. Protect the Earth Protect me!
插音频

7. Let’s protect the Earth. We should… We should not…
Save water
Save trees
Let’s protect the Earth.
We should…
We should not…
效果，标题
Save energy
Don’t use too much plastic. 7

8. What do you know? Save water In many places, there is much water.
waste
In many places,
there is much water.
…is …
use… to……
not much water.
save
We should save water.
We should not waste water. 插图
We should reuse water. 8

9. Listen and read Save water Save water Water is useful.
We drink water and use water to clean things
everyday.
In many places, there is not much water.
We should not waste water.
We should reuse and save it.
Water is useful.
We drink water and use water to clean things everyday.
In many places, there is not much water.
We should not waste water.
We should reuse and save it.

10. water energy

11. Save energy energy …comes from… … not much… We should… We should not…
coal
energy
oil
…comes from… … not much…
We should… We should not…
We should not drive so much
Most of our energy comes from coal and oil.
We should save energy.
There is not much coal or oil on Earth.
because cars use a lot of energy.

12. book

13. Let’s read Pair work Save trees 1. Why should we save trees?
2. How should we do?
Wood comes from trees.
We use wood to make tables, chairs and many other things.
Trees help keep the air clean.
because trees
We should not cut down too many trees.

14. use…to…

15. Don’t use too much plastic
should
should not
We use plastic to make bags and bottles,
but too much plastic is bad for the Earth.
We ________ use too many plastic
bags or bottles.
We ________ use paper bags
and glass bottles.

16. Read and retell

17. Try to say What do you want to say?
1. Lily lives near the school, but she goes to school by car every day.
2. They often play planes made by new paper.

18. We have only one Earth.
Let’s
Protect the Earth!

19. Finish the exercise on P70. Draw the mind map.
Homework
Finish the exercise on P70.
Draw the mind map.
Read the story time after the tape. Try to retell with the help of the mind map. 改
Protect the Earth!