1. Unit 7 Protect the Earth
Story time

2. Earth

3. Let’s enjoy some pictures

4. Many years ago, our Earth……

10. Now, our Earth……

16. Let’s say Can you say something about our Earth?
Many years ago, our Earth was beautiful.
But now, our Earth isn’t beaufiful.

17. Let’s say 应该
What should we do?
We should protect the Earth.

18. Let’s say
What should we do?
We should protect the Earth. 保护

19. Think and say
How to protect the Earth?

20. Requirements: Watch and answer How to protect the Earth?
1.Watch carefully.
2.Find out the four ways
to protect the Earth.
(认真观看，找出保护地球的四种方式）
How to protect the Earth?

21. Don’t use too much plastic
Watch and answer
Save water
Save energy
How to protect the Earth?
We should……
Save trees
Don’t use too much plastic

22. Learning tip: Read and answer 1.Why should we save water?
1.Read paragraph 1 silently.
2.Underline the answers to these
two questions.
(默读第一自然段，划出两个问题的答案）
1.Why should we save water?
2.To save water, what should we do?
And what should we not do?

23. 1.Why should we save water?
Read and answer
1.Why should we save water?
use….to….
用…来…
Because water is useful.
useful
有用的
We drink water and use water to clean things everyday.
In many places, there is not much water.

24. 2.To save water, what should we do?
Read and answer
2.To save water, what should we do?
And what should we not do?
再利用
We should reuse and save water.
We should not waste water. 浪费

25. Think and say Water is…… We use water to… There’s not... We should…
We should not…
save and reuse water
useful
clean things
much water
on Earth
waste water

26. Let’s read Save water Water is useful. We drink water
and use water to clean things
every day. In many places, there
is not much water. We should not
waste water. We should reuse and
save it.

27. Think and say
What energy do you know?

28. coal oil Let’s learn Most of our energy comes from coal and oil.来自
There is not much coal and oil on Earth.
oil

29. What should we do? What should we not do?
Read and answer
Requirements:
1.Read paragraph 2 quickly.
2.Find the answers to the questions.
(快速读第二自然段，找出问题的答案）
What should we do? What should we not do?

30. What should we do? What should we not do?
Read and answer
What should we do? What should we not do?
We should save energy.
We should not drive so much because cars use a lot of energy..

31. Let’s read Save energy Most of energy comes from coal and
oil. There is not much coal or oil on
Earth. We should save energy. We
should not drive so much because cars
use a lot of energy.

32. Requirements: Read and finish 1.Read paragraph 3 with your partner.
2.Finish the blanks by yourself.
3.Discuss it with your partners.
(与同伴共读第三自然段，独立完成表格，并与同伴交流所填
内容）
______ comes from trees. We use wood
to make ____,____, and many other things.
We should not _______________________
because trees help ____________________.

33. Read and finish ______ comes from trees. We use wood
to make ____,_____and many other things.
We should not _______________________
because trees help ____________________.
chairs
tables
cut down too many trees
keep the air clean

34. cut down
砍伐；砍掉

35. Let’s read Save trees Wood comes from trees. We use wood
to make tables, chairs and many other
things. We should not cut down too
many trees because trees help keep
the air clean.

36. Should we use too much plastic?
plastic bottles
Should we use too much plastic?
plastic bags

37. 1.Why should we not use too much plastic?
Read and answer
Requirements:
1.Read paragraph 4 loudly.
2.Find out the answers.
(大声朗读第三自然段，找出问题答案）
1.Why should we not use too much plastic?
2.What should we use?

38. 1.Why should we not use too much plastic?
Read and answer
1.Why should we not use too much plastic?
Because too much plastic is bad for the Earth.

39. Read and answer 2.What should we use?
We should use paper bags and glass bottles.

40. Look and say We use plastic to make and ,
but too much plastic is ____ for the Earth.
We should not use too many or
We should use and
bad

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

42. Requirements: Let’s read 1.Work in four.
2.Each one chooses one part to read.
3.Each one makes a report about your
part using “We should….,we shouldn’t…”.
(四人一组，每人选择一部分来读，并对自己所读部分进行汇报）

43. Let’s practice
Exercise 1: True or false
Exercise 2: Think and write

44. Love the Earth, love life.

45. Homework: Read Story time at least three times, try to recite.
Finish some written exercises.
Preview Grammar and Checkout time.