23. use plastic to make bags and bottles使用塑料制作袋子和瓶子

24. reuse a plastic bottle to make a toy再利用塑料瓶做个玩具

25. reuse these things再利用这些东西

26. use paper bags and glass bottles使用纸袋和玻璃杯

27. collect plastic bottles收集塑料瓶子

28. Do you know how to protect the Earth?你知道如何保护地球吗？

29. really cool实在是酷

30 have fun玩得开心 have a lot of fun=have lots of fun

31 every morning and afternoon每天上午和下午 every day每天

32 Earth Day （on 4.22）地球日

33. World Environment Day （on 6.5）世界环境日

34. do a project做一个课题

35. make a poster制作一张海报 make-made

36. tell them about it告诉他们关于它（的事） tell-told tell sb to do sth 、tell sb about sth告诉某人某事

37. help you/them/us/him/her帮助你/他们/我们/他/她/我

38. start drawing/swimming开始画/游泳 开始做某事 start doing

39. Let me draw the Earth first让我们先画地球

40. trees and flowers树和花

41 look nice/happy/sad/angry看上去好看/开心

42. draw some fruit on the trees在树上画些水果

43. put it at the school gate把它放在学校门口 put-put

现在分词putting

44. blue and brown蓝色和棕色

45.in the tree在树上（不是长在上面的）on the trees在树上（长在上面的）

二、句子

1.To protect the Earth, what should we do? What should we not do?

为了保护地球，我们应该做什么？我们不应该做什么？

2. We drink water and use water to clean things every day. 每天我们喝水，用水清洗东西。

3. In many places, there isn’t much water. 在许多地方没有很多水。

4. The earth is our home. 地球是我们的家园。

5. We should reuse and save the water. 我们应该再利用和节约水。

6. Most of our energy comes from coal and oil. 我们大部分的能源来自煤炭和石油。

7. There is not much coal or oil on Earth. 地球上没有很多煤炭和石油。

8. Wood comes from trees. 木材来自于树木。

9. We use wood to make tables, chairs and many other things.

我们使用木材制作桌椅和许多其他的东西。

10. We shouldn’t cut down too many trees because trees help keep the air clean.

我们不应该砍伐太多的树木，因为树木帮助净化空气。

11. Don’t use too much plastic. 不要使用太多的塑料。

12. The poster is ready. They put it at the school gate. 海报准备好了。他们把它放在学校大门口。

13. Too much plastic is bad for the Earth. 太多的塑料对地球有害。

14. All (the) students should know this. 所有的学生都应该知道这点。

15. Let’s make a poster and tell them about it. 让我们做一张海报来告诉他们这点。

16. Let me draw the Earth first. 让我先画地球。

四、语法点

1. to后面加动词原形

（1）use … to … ，使用某物做某事

use water to clean things 使用水清洗东西

use chopsticks to eat noodles 用筷子吃面条

use the nose to smell 用鼻子闻

(2) reuse sth to do sth 再利用某物做某事

reuse a plastic bottle to make a toy 用塑料瓶做一个玩具

(3) need sth to do sth 需要某物做某事

We need oil to drive cars.

2.情态动词should/shouldn’t 后面加动词原形

We should save trees. 我们应该挽救树木。

We shouldn’t cut down too many trees. 我们不应该砍伐太多树木。

3.本课不可数名词：

water水, energy能源, oil石油, coal煤炭, wood木材, plastic塑料, paper纸

a lot of （很多）和some（一些）后面可修饰可数名词和不可数名词

many（很多）修饰可数名词 many books, many plastic bags

much（很多）修饰不可数名词 much coal and oil, much plastic

6. tell

（1）讲述 tell stories 讲故事

（2）告诉 I told her how to cook fish. 我告诉了她怎么烧鱼。返回搜狐，查看更多