1. Unit 9
Saving the earth
Period 1

2. Why is she crying?

3. Have we done something bad to her?
Discuss
Why is she so sad?
Have we done something bad to her?

4. Water Pollution
Rubbish
Air pollution
Desertification
Deforestation
Starvation
                 
      

5. smoke from factories smoke from cars And what’s the result ? Iraq War
Viet Nam War

6. what cause(s) water pollution ?
waste from factories
waste from cities

7. Deforestation

8. too many sheep and cattle
all the grass be eaten
grass never grow again ; the land become desert

9. no trees to hold the soil
Desertification
no trees to hold the soil
rain water washes the soil away wind blows the soil away

10. too many sheep and cattle→eat up the grass
→no grass will grow→only sand left

11. Starvation(hunger) and poverty

12. Starvation is mainly caused by the uneven distribution of wealth and sometimes by war or natural disasters. We can reduce starvation by redistributing the wealth of rich countries, by providing education and technology to developing countries, and by giving monetary aid to disaster-stricken areas.

13. Q1: What can you see in these pictures?
Q2: What is the biggest problem facing the earth? Why do you think so?
Q3:What causes the problem?
Q4: What can we do to solve the problem?
Q5: What do you expect to learn in this unit?
Q6: How will you use what you have learnt in your own life?

14. rubbish ×
basket
What can we do? ×
box
clean

15. solar energy ↖ ↗
What can we do? ↙ ↘

16. Listening Pre-listening: What will the speaker talk about
in the speech?

17. While-listening 1. Listen for the question
What does the speaker think the biggest problem is?
how to protect water
1.Why is she giving this speech?
2. What does she think the serious problem is?
3. What does she say we should do about it?
4. What do you think she will say next?

18. listening: Part 1: Why is she giving this speech?
2. What does she think the serious problem is?
listening:
She is giving this speech to celebrate Earth Day(and to talk about serious problems/to ask people to take action).
She thinks that water pollution/protecting our water is the most serious problem.

19. 3. What does she say we should do about it?
4. What do you think she will say next?
(1). We must learn to take better care of our water.
(2). We must stop polluting our water.
(3). We must learn to save water in our daily life.
She will talk about the three main ideas she has mentioned.

20. part one
Today we are celebrating Earth Day.Earth Day is a day for reflection and______.Today, people in countries all over the world get together to _______the earth and our future, and to take action to _______ the current situation. Earth Day is a chance for us to learn _____the world and change our behavior.It helps me understand that we must act. If I __________more about the earth in the past ,I would have made different choices about what to do and what to buy.It is _________ too late to change.
action
discuss
improve
about
had known
never

21. √ √ √ √ √ 2.Listen for outline
From what aspects(方面） will the speaker talk about water problem? √ √
importance of saving water
causes √
bad effects
water and industry √
solutions √
water and agriculture

22. Part2:
Out line the speaker’s arguments.
Argument 1: We should take better care of our water.
We must be more careful when we use our water.
We must use modern technology/ the knowledge and technology that some countries have already developed to solve the problem/to water our plants.
If we work together and share what we know, we will be building a better future for all of us.

23. Argument 2: We must stop polluting our water.
Problem: We are polluting water at an alarming pace. Cars, factories, and air conditioners pollute the air and the water.
Solutions:We must change the way we think and the way we live.
Let’s not drive if we can walk or ride a bike.
Let’s try not to use air conditioners more than what is absolutely necessary.
Let’s not buy products that cause pollution.
Let’s make new rules and use new technology to make sure that factories are green and clean.

24. part two
point1: 1.We should _________________ of our water .
2.We must________________ when we use our water .
3.We must use _______________________ ____________to solve the problem.
4.If we ____________ and_______ what we know, we will be _________________ ________for all of us.
take better care
be more careful
the knowledge and modern
technology
work together
share
future
building a better

25. We must ________________our water.
point2:
Argument:
We must ________________our water.
Problem:
We are _______________________ pace. Cars, factories, and air conditions pollute the air and the water.
stop polluting
polluting water at an alarming

26. drive cause pollution rules make sure Solutions:
We must__________________we think and live.
Let’s not _______if we can walk or_________.
Let’s try not to use ______________ more than what is absolutely necessary.
Let’s not buy products that _______________.
Let’s make new_____________and use new technology to ______________that factories are green and clean.
change the way
drive
ride a bike
air conditioners
cause pollution
rules
make sure

27. Listen and choose the correct answer.
1.What’s the best way to take care of our water?
A. Continue to use the old ways of watering the plants
B. To learn the ways from the developed countries.
C. To use the developed knowledge and technology from some countries.

28. Listen and choose the correct answer.
2 .What’s the most important for us to stop polluting water and air?
A. To buy non-pollution products.
B. To change our way of thinking and living.
C. To make the factories clean and green.

29. Describe what you see in the pictures below.
(1)
(2)

30. What’s your attitude towards
burning a lot of coal ?
Work in groups of four, including a businessman, an environmentalist, a scientist and a local citizen.

31. businessman scientist local citizen A
An environmentalist
scientist
local citizen
You think that we should burn the coal because…
You don’t think we should burn the coal because…
You think that we should spend more money on science so that…
We must burn the coal so that we can get money to develop our area…

32. Pros  Cons  A valuable resource Produce energy
Offer jobs to citizens
Help develop economy
Make people earn more money
Money is important for children’s education…
We are responsible for future
Use coal in a new and clean way
Cause pollution
Destroy the environment
This damage isn’t repaired
Only caring about making
money is so selfish
Produce harmful/poisonous smoke
It is bad for/harmful to our health

33. Useful expressions Some sentences you heard in listening
We must make sure that … It’s clear that…
I believe that we must … I can’t imagine that…
If nothing is done…, then… I’m all for…
Sure/Certainly/Absolutely. Is there a better way to …?
It would be better if we …
I don’t think that’s right …?
Don’t you think that…?
I’m afraid you’re wrong…?
I’m not so sure about that…
Surely it must be…
No, you are wrong thinking that…
Some sentences you heard in listening