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9. 用纸的两面________________ 10. 回收空瓶子________________
11. 关灯______________________ 12. 做一个调查________________
13. …的结果________________ 14. 保护环境__________________
15. 几乎没有学生带他们自己的袋子去超市。___________________
16. 这是调查的结果。_______________________________________
17. 调查表明学生为帮助保护环境正在做许多事。________________
Step 2 Presentation
1. Present some new words with pictures and then read them aloud
2. Let some students spell the words.
3. Read after the teacher.
4. Read together.
Step 3 Have a talk
1. Listen to the conversation between Sandy and Kitty then answer the questions:
1) What has been a serious problem all around the world?
2) What can Kitty do to protect the environment?
3) Is air pollution harmful to our health?
2. Listen to their conversation again and find out the advantages of planting trees.
Trees make our town look nicer.
Trees reduce dust and help keep air clean.
Trees help keep soil in place during storms.
Trees provide home for animals.
3. Read aloud the conversation then work in pairs to ask and answer. Use the conversation as a model
4. Make your own dialogue.
Sample conversation
S 1: Water is very important for all living things.
S 2: Yes. We should use our water carefully and not waste it.
S 1: Right. We can help save water by doing many simple things like turning off the tap while we brush our teeth.
S 2: Taking short showers saves even more water.
S 1: Saving water is good for the environment. I hope all of us d o our best to save water.
S 2: I hope so too.