Unit 4 Global warming

Warming up and speaking

energyenergyenergyenergy

electrici

electrici

tyty

solar solar energ

energyy

wind wind powe

powerroiloil

What is energy ?

Quiz

find out the cases of wasting energy in our daily life.

Discussion :

What should we do to save energy in daily life ?

In our daily life, we can do these things like that :1.Turn off the tap when you are cleaning your teeth

2. Recycle paper and glass

10. Use products that save energy

3. Walk or cycle everywhere4. Turn off the lights when your are not in the room

5. Get something repaired rather than buy a new one6. Use both sides of a sheet of paper7. Try not to use one-time-use box/cup/chopsticks

8. Take a bag with you when you go shopping9. Use rechargeable (可充电的） batteries

11. Let the air-condition remain 26 ℃

Questions:

Have you often used plastic bags to store something in your daily life ? Why do you use plastic

bags ?

Should we stop using plastic bags ?

…

Interview

situation : A Maoming Daily reporter is interviewing some citizens about their opinions of using plastic bags in their daily life .

What… I think…

VI Designing （ group work )

Saving energy is our duty . Now Students’ Union calls on us to design some slogans ( 标语 ) on saving energy to raise our saving consciousness （ 意识） .

VII Homework: 我们班将以“ How to build an economized soc

iety” 为主题召开一次班会。请用英语写一篇发言稿。下面是你的发言要点：

1. 房间无人时要关闭电灯、电脑和风扇，空调不低于26 度；

2. 随手关闭水龙头，洗米水可用来浇花；3. 买菜不用塑料袋，自带菜篮子。

注意：短文必须包括所有要点，可以有适当的发挥，词数 100 左右。