1.Finish making a poster

2.We don’t waste things. It means that we save money and reduce pollution. how to do….(show your idea) . Keeping　 the world green is our duty.

Step six: Homework:

1.All of us take an active part in recycling programmes. We use or buy products made from recycled material. such as……,　 Why do we recycle them? Because……(your opinion).

7.Be better than doing. 比…好

Eg. Recyclying is better than throwing things away.

　Step three: Practice the exercises in the text

　　 Check things you should do. Ex.4

Step four: work in pairs and answer the questions: Ex.6

Step five: 　Sample writing:

6.take energy. 消耗能量

Eg. Running every day takes energy of your body so You can stay　 slim.

5.repair sth. if sb. can instead of doing sth.如果能修理… 而不做…

Eg. We should repair TV set if we can instead of buying new ones.

4.as…..as. 和……一样

Eg. Maybe the old clothes as good (as the new ones).　

Flowers are as beautiful as butterfly.

　 be not so ……as.　 和……不一样

Eg. The clothes made in abroad are so cheap as ones in China.

3.reduce …going into sth. 减少某物避免进入某物中

Eg.We should reduce dirty water going into the rivers

2.everyday activities．每日活动

　everyday (adj.)　　 every day (adv.)

Eg. Computers　 are part of our everyday life.

　　 She reads English aloud every day.

1.do harm to sth/sb..对…有害处

　 do good to sb./sth.对… 有好处

Eg.Alan would never do harm to his classmates.

　　 Taking more exercise is good to you health.