高三英语拯救地球课件

5. Chemicals in the smoke from power stations can travel hundreds of miles before falling down to the rain.
6. After a bad accident at a nuclear power station, 50%of the trees in Germany were damaged.
that polluted the air.
I
R Trees in the forest are destroyed
and fish in the lakes are killed. Chemical rain.
A lot of things have to be down to reduce pollutionn. New laws should de passed and people should
R T Good soil is gradually lost.
H
Cattle eat grass.
Trees being cut down; strong winds blowing the valuable soil away.
Limit the number of the cattle.
Plant more trees and try to protect them.
Phenomena
E The area of desert is growing A every year. R T Good soil is gradually lost. H
Air is being polluted.
A lot of people died from A polluted air in both Russia and I India.
have been dirtied and 4800 square km
of ocean were polluted by oil.
DISCUSSION
(1) What kind of pollution can you think of ?
(2) Why trees are important? (3) What are the causes of water
Factories and cities produces a lot of waste.
Waste produced from a chemical factory.
Same as above.
The main idea of each passage
Earth: The area of desert is growing and
Saving the earth
Lesson 34 Unit 9 Earth, Air and Water
BY HUANG SHAOLU
USA Alska
Lake Baikal
Germany Mediterranean Sea
Russia Dunhuang
ChinaGebi
India
EARTH
R Trees in the forest are destroyed and fish in the lakes are killed.
W In some places it’s no longer
A safe for swimming, nor is it
T safe to eat the fish.
AIR
WATER
1. Many parts of the world with large population and plenty of crops have become desert.
2. Land may become poor if farmers do not limit their cattle.
good soil is radually lost.
Air: Chemicals in the smoke cause
a lot of damage and serious
accidents took place from time
to time.
Water:
Water pollution is caused by man’s waste. The waters of this great lake
Air is being polluted.
Factries,power stations and cars produce a lot of waste.
A A lot of people died from polluted There are serious accidents
air in both Russia and India.
3. Good soil is gradually lost these days as trees are being cut down.
4. Air pollution and water pollution are the two causes of problem that many parts of the world have become desert.
7. The writer uses the examples of the accidents in both India and Russia to explain how water is polluted.
8. Once oceans are polluted, they are not able to clean themselves.
1. Many parts of the world with large population and plenty of crops have become desert.(T)
2. Land may become poor if farmers do not limit their cattle.(T)
3. Good soil is gradually lost these days as trees are being cut down.(T)
4. Air pollution and water pollution are the two causes of problem that many parts of the world have become desert.(F)
save the earth?
So everybody should remember:
A lot of damage has already been done to the earth, including pollution, nuclear waste, radiation and so on. We are also aware that there is only one earth for us. So the idea that everyone should keep in his or her mind is stopping any damage to the world and saving the earth.
7. The writer uses the examples of the accidents in both India and Russia to explain how water is polluted.(F)
8. Once oceans are polluted, they are not able to clean themselves.(F)
pollution? (4) What can be done to stop land
from becoming into desert? (5) What else do we know about the
problems that the earth is facing? (6) What steps should we take to
E Lake Baikal, which used to be
R
the cleanest in the world,is now polluted.
Causes
Suggestions
Phenomena
Causes
Suggestions
E The area of desert is growing A every year.
realize how serious the problem is.
W In some places it’s no longer safe
A for swimming, nor is it safe to eat
the fish.
T
Lake Baikal, which used to be
E the cleanest in the world,is now R polluted.
practice
Now you are a reporter from the 21st Century , when you are making a social survey in your home town, you see some factories in your home town are seriously polluting the air and the water. The environment is not well protected. You are going to Interview a government official and write a report about what you see. You are supposed to tell the Importance of stopping the pollution and Protecting the environment. Now do the interview first in pairs and then make an oral report according to the following pictures.