1. Unit 7 Protect the Earth (Story time)

2. Red-crowned cranes

3. Milu deers

4. Watch and say

5. Protect the Earth Unit 7 保护

6. Think and say What do you know about the Earth?

8. 5. We can talk about protecting the Earth. Green Guards Needed 招募环保小卫士 2. We know the use of them. 3. We know the problems of them. 4. We know the solutions( 解决方法 ) of the problems. 1. We know how to protect the Earth from some parts.

9. 4 2 3 1 Can you give titles( 标题 ) to the pictures? Look and say

10. 4 2 3 1 Read and find out the four titles( 标题 ). Skim and say Save water Save energy Save trees Don’t use too much plastic 节约 能源 塑料

11. 5. We can talk about protecting the Earth. Green Guards Needed 招募环保小卫士 2. We know the use of them. 3. We know the problems of them. 4. We know the solutions( 解决方法 ) of the problems. 1. We know how to protect the Earth from some parts.

12. Watch the cartoon and find out the use of them. You can write down some key words. Watch and match

13. 木材 Try to match the phrases( 将词组配对 ). 1. We use water to A. make things 2. We use energy to 3. We use wood to 4. We use trees to 5. We use plastic to B. drink and clean C. drive cars D. make bags and bottles E. keep the air clean 3. We use wood to Let’s match They’re useful. What’s the use of…?

14. Read part 2 &3 quickly and fill in the blanks. 快速阅读 2 、 3 部分填空。 1. Where does energy come from? Most of our energy comes from _____ and ___. 大多数 coaloil 2. Where does wood come from? Wood comes from ______. trees Scan and find toiletcoat,boat coal 煤炭 oil 石油

15. 5. We can talk about protecting the Earth. Green Guards Needed 招募环保小卫士 2. We know the use of them. 3. We know the problems of them. 4. We know the solutions( 解决方法 ) of the problems. 1. We know how to protect the Earth from some parts.

16. What’s the problem of…? plastic trees water energy In many places, there is not much water. There is not much coal and oil on Earth. People cut down too many trees. People use too much plastic. Read the passage and discuss the problems of them ( 讨论它们使用中存在的问题 ) with your classmates. Read and discuss

17. 5. We can talk about protecting the Earth. Green Guards Needed 招募环保小卫士 2. We know the use of them. 3. We know the problems of them. 4. We know the solutions( 解决方法 ) of the problems. 1. We know how to protect the Earth from some parts.

18. Read the passage carefully and underline( 划线 ) the sentences of solutions( 解决方法 ). Part 1: We should not waste water. We should reuse and save it. Part 2: We should save energy. We should not drive so much. Part 3: We should not cut down too many trees. Part 4: We should not use too many plastic bags or bottles. We should use paper bags and glass bottles. reuse Read and underline What should we do with…?

19. Let’s fill in the blanks according to the sentences you’ve underlined. ( 根据你划线的句子来填空 ) We should ________ and ________ water. We should not ________ water. We should ________ energy. We should not ______ so much. We should ________ trees. We should not ______ ______ too many trees. We should not use too many ______ bags or bottles. We should use ________ bags and ________ bottles. Let’s finish reuse save waste save drive save cut down plastic paper glass

20. Listen to the tape and try to imitate the pronunciation and intonation. 跟读录音，注意模仿语音语调。 Listen and repeat

21. 5. We can talk about protecting the Earth. Green Guards Needed 招募环保小卫士 2. We know the use of them. 3. We know the problems of them. 4. We know the solutions( 解决方法 ) of the problems. 1. We know how to protect the Earth from some parts.

22. Choose one part and make dialogues with your partners. 选择一个主题，和你的搭档来说说对话吧。 What water energy trees plastic Use drink and clean drive cars make things keep the air clean make bags and bottles ProblemSolutions reuse and save waste drive too much save save cut down use paper bags and glass bottles use too many A: What’s the use of…? B: We use…to… A: What’s the problem of…? B: … A: What should we do with…? B: We should/should not… Let’s talk not too much cut down use too much too many trees plastic bags and bottles

23. 5. We can talk about protecting the Earth. Green Guards Needed 招募环保小卫士 2. We know the use of them. 3. We know the problems of them. 4. We know the solutions( 解决方法 ) of the problems. 1. We know how to protect the Earth from some parts.

24. Let’s think What else can we do to protect the Earth?

25. Many animals lost their home. We must protect the Earth. We must save our home. This is the water pollution. People cut down too many trees. This is the air pollution. This is the land pollution. Many years ago, the Earth was very clean. But now there is much pollution. There are lots of forests. There are many countries and cities. And there are many people. This is the Earth. The green part is land. The blue part is sea. The white part is cloud. There are rivers, seas and lakes. There are hills and mountains. Our Earth, our home. Let’s know the Earth.

26. Let’s talk What else can we do to protect the Earth? …

27. Let’s make posters in groups. And let more people know how to protect the Earth. 让我们分组做海报。 并告诉人们该如何保护地球。 Make and say

28. Show your posters to more people and let them know how to protect the Earth. Homework