(共21张PPT)
Unit 13
We’re trying to save the earth.
Section B (1a-1e)
Learning aims
1.To learn to use new words and expressions.
2.To think of the ways to save the earth and improve listening skills.
3.To try your best to protect the environment in daily life.
stop riding in cars
不开私家车
Look and say
What can we do to help save the earth
ride rode ridden
don’t use paper napkins
不要用纸巾
Look and say
n. 餐巾；餐巾纸
turn off the lights when you leave a room
离开房间的时候记得关灯
Look and say
turn off the shower while you’re washing your hair
洗头发的时候关掉水
Look and say
recycle books and paper
重复利用书本和纸
Look and say
v. 回收利用；再利用
(被动：be recycled)
Add more actions that can save the earth.
1a
What can we do to help save the earth Rank these items from the easiest (1) to the most difficult (5).
_____ stop riding in cars
_____ recycle books and paper
_____ turn off the lights when you leave a room
_____ turn off the shower while you are washing your hair
_____ don’t use paper napkins
1
2
3
4
5
Different people have different ideas !
1b
Compare your answers in 1a with your partner.
Recycling paper is really easy.
I agree. But it’s hard to stop riding in cars.
Jack: Turn off the lights, Julia. It saves electricity.
Julia: Oh, I usually do that. I was just in a hurry.
Jack: I see. I’ve just read a book which gives ideas about how we can save the environment. For example, you should turn off the shower when you’re washing your hair.
Julia: Oh, I would never do that. I have very short hair. It only takes a few minutes to wash. What else does it say
Jack: You should take your own bags when you go shopping.
Julia: Oh, that’s easy. I’ll do that from now on. What else
Jack: People should stop riding in cars and start riding bikes.
Julia: No way! It would take me 45 minutes to get to school by bike!
Jack: But it’s good for the environment! Besides, I like riding my bike.
Julia: Yes, and you also live close to school!
Things you are doing now
Things you will do in the future
Things you will never do
Check actions you do to save the earth and tell your reasons.
1e
We really shouldn’t use paper napkins, you know.
I know. I stopped using them last year.
Make a conversation using the information from the chart above. Say what is true for you.
Consolidation
How can we protect the environment in our
daily life
Some useful sentences:
We should/shouldn’t ….
We are/aren’t supposed to…
We are /aren’t expected to ….
We’d better(not) do…
It’s a good habit to….
Don’t forget to….
Remember to ….
Try not to ….
UN Conference on Human Environment
We should/ We’d better….
save water
plant more trees
turn off the lights
when we leave the
room
walk to school
How can we protect the environment in our daily life
Oral practice
We should not / We’d better not …
throw rubbish everywhere
use plastic bags
cut down trees
waste water
Phrases
1. 停止乘坐轿车 stop riding in cars
2. 关灯 turn off the lights
3. 回收再利用书和纸 recycle books and paper
4. 关水龙头 turn off the shower
5. 停止使用餐巾纸 don’t use paper napkins
6. 拯救地球 save the earth
Sentences
Recycling paper is really easy.
It’s hard to stop riding in cars.
I would never do that.
Summary
It’s our duty to protect the environment.
As a student, what can we do First , we should go to school on foot. We’d better stop riding in cars. Because driving cars can pollute the air. Second, we are supposed to save water.
Water is so important in our life. So we should turn off the shower while we are washing hair. Besides, we should neither throw rubbish everywhere nor use plastic bags.
Let’s take actions to protect our home from now on.
Exercise
Try to write a passage about “How to protect the environment ”
1. Review the key words, phrases and sentences.
2. Preview Section B(2a-2e).
3. Finish the exercise books.
Homework
Thank you !
