一、听录音,选出你所听到的内容。
() 1. A. paper B. plastic C. poster
() 2. A. coal B. energy C. oil
() 3. A. too many B. too much C. too often
() 4. A. save water B. save energy C. save trees
() 5. A. paper bags B. glass bottles C. plastic bags

二、听录音,判断下列图片与所听内容是(T)否(F)相符。

1. () 2. () 3. () 4. () 5. ()

三、听录音,根据所听短文,选择正确的答案。
() 1. What are Su Hai and Su Yang doing?
A. They are doing a project. B. They are doing their homework.
C. They are doing the housework with their mother.
() 2. What are they making?
A. They are making a cake. B. They are making a card.
C. They are making a poster.
() 3. What's on the poster?
A. There are trees. B. There are flowers.
C. There are green trees and red flowers.
() 4. Is there a sign?
A. No, there isn't. B. Yes, there is. C. We don't know.
() 5. Where will they put the poster?
A. At home. B. In the park. C. At the school gate.

四、听录音,补全对话。
A: Hi, Liu Tao. Let's make a to tell people to the .
B: Good idea!
A: We can some trees, flowers and on it.
B: Yes. We will tell people to water, and trees.
A: We will also tell them not to too many trees.
B: OK.