1. Unit 3 Section B Period 3 Section B Period 3

2. Words & Expressions recycle built stuff pull glue roof discard tile 再循环；回收利用 build 的过去式和过去分词 原料；材料 拉；拖；拔 胶合；粘贴胶水 顶；屋顶；房顶 丢弃；放弃 瓦片；瓷砖

3. Words & Expressions fence can recently planet society inspiration spare model 栅栏；围墙 金属罐 最近 行星 社团；社会 灵感；鼓舞人心的人或事物 多余的；空闲的 模型

4. 1a Saving endangered animals is one thing we can do for our world. What else can we do to help save the planet? Rank these items from the easiest (1) to the most difficult (5).

5. stop riding in cars recycle books and paper turn off the light turn off the shower don’t use paper towels or napkins

6. A: Recycling books and paper is really easy. B: I agree. But it’s difficult to stop riding in cars.

7. Pairwork A: Recycling paper is really easy. B: I agree. But it’s hard to stop riding in cars. 1b

8. How to save the planet? Check easy (E) or difficult (D). ____* stop riding in cars. ____* recycle books and paper. ____* turn off the lights when you leave the room. ____* refuse to use the plastic bags. ____* don’t put the waste water into the river. ____* plant more trees and glass. ____*…. E D

9. What Julia and Jack talk about. Check the things. Things Julia and Jack talk about Things Julia is doing now Things Julia will do in the future Things Julia would never do _ turning off the light _ turning off the shower _ stopping using paper napkins _ taking your own bags when shopping. _ not riding in cars _ riding a bike _ recycling paper 2a

10. _ recycling paper _ riding a bike _ not riding in cars _ taking your own bags when shopping. _ stopping using paper napkins _ turning off the shower _ turning off the light Things Julia would never do Things Julia will do in the future Things Julia is doing now Things Julia and Jack talk about Listen again and check the things. 2b

11. Boy: Hey, Julia. Don’t forget to turn off the lights. It saves electricity. Girl: Oh, I know. I usually do that. I was just in a hurry. How come you’re so interested in the environment, Jack? Tapescript

12. Boy: I always have been. Lots of people think there’s nothing they can do, but I just read this book about it, and there are lots of things the average person can do. Girl: Like what? Boy: Well, you should turn off the shower when you’re washing your hair. Girl: Oh, I’d never do that! Tapescript

13. Boy: You wouldn’t? Girl: No, I have very short hair. I’m only in the shower for a few minutes. Boy: Well, every minute helps. Girl: What else does it say? Boy: It says you should take your own bags when you go food shopping. Girl: Oh, that’s not difficult. I can do that. What else? Tapescript

14. Boy: Hmmm. Here’s a good one. It says people should stop riding in cars and start riding bikes. Girl: Oh, I’ll never do that! Can you see me riding 45 minutes to and from school every day? Boy: Well, I think the environment is really important. Besides, I like riding my bike. Girl: Yes, and you also live close to school! Tapescript

15. Pairwork 2c

16. A: We really shouldn’t use paper napkins, you know. B: I know. I stopped using them last year. Role play a conversation using the information from the chart above. Say what is true for you.

17. the house that trash built 3a

18. The walls are made from old glass bottles that are glued together. The roof is made from discarded tiles. The fence is built out of used soda cans.

19. His backpack used to be a pair of pants ． His backpack is made from a pair of pants ． Look at the pictures below and complete the article. Use the phrases “be make from” and “used to be” in your article. 3b

20. Joe Winterbourne loves the clothes his mother made for him. At school, everyone calls him Mr. Recycle. His hat is made from ___________________________________________________________________________ __________________________________________________ the bottom of the petrol drum. His bag comes from red trousers which is too short for him. His beautiful scarf used to be the carpet in his house.

21. Suggested answers: Joe Winterbourne loves the clothes his mother made for him ． At school, everyone calls him Mr. Recycling ． His hat is made from （ used to be ） a trash can cover ． His backpack used to be （ is made from ） a pair of pants ． His scarf is made from （ used to be ） a napkin ．

22. Please write something about how to recycle these things.

23. Make a survey Do you…Name Recycle paper? Turn off lights in the house? turn off the shower while washing hair take your own hags when shopping 4

25. Can you see what these things are made from? Try to think out more ways to recycle these things?