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12099162 Kính chào các thầy, cô. Khi cài đặt phần mềm , trên PowerPoint và Word sẽ mặc định xuất hiện menu Bộ công cụ Violet để thầy, cô có thể sử dụng các tính năng đặc biệt của phần mềm ngay trên PowerPoint và Word. Tuy nhiên sau khi cài đặt phần mềm , với nhiều máy tính sẽ...
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Unit 10. Conservation

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Tham khảo cùng nội dung: Bài giảng, Giáo án, E-learning, Bài mẫu, Sách giáo khoa, ...
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Nguồn:
Người gửi: Nguyễn Thị Vân Anh
Ngày gửi: 16h:21' 11-01-2010
Dung lượng: 2.5 MB
Số lượt tải: 371
Số lượt thích: 0 người
LEAD-IN
WHAT CAN YOU SEE IN THIS PICTURE ?
THERE IS A FOREST FIRE.
What is he doing?
He is hunting a rare animal.
What does this picture say about?
The flood damaged the bridge.
CONSERVATION
unit 10
Task 1: Find the position of these words and guess their meanings.
eliminate circulation run-off hydroelectric
A.The loss of forest in destroying the earth’s plant and animals variety.Scientists say about 5,000 species of plants and anima are eliminated each year .This is especially worrying as many of those plants and animals could be used as medicines against cancer ,AIDS,heart disease and many other sicknesses .We may never know the true cost of this destruction.
B Man and most animals need a constant supply of water to live.Farmers need water of their crops.Hydroelectric dams hold back needed water and provide power for homes and industries .Trees , grasses ,and other plant life play an important part in the natural circulation of water ,and thus help conserve it .Without plants ,most water would run off as soon as it falls, taking away valuable soil. Rapid run-off would cause frequent floods and leave little water during dry seasons.

C These days it is impossible to open a newspaper without reading about the damage we are doing to the environment .The earth is being threatened and the future looks bad.What can each of us do? We cannot clean up our polluted rivers and seas overnight.Nor can we stop the disappearance of plants and animals .But we can stop worsening the problem while scientist search for answers ,and laws are passed in nature’s defense.

hydroelectric
run-off
circulation
eliminate
1.eliminate

2.circulation

3.run-off

4.hydroelectric
a.the movement of something around a closed system

b.concerning or producing electricity by the power of falling water

c.remove or get rid of completely

d.liquid which flows off or from (something)
Task 2:Look for wrong information and correct it
Each year about fifty hundred species of plants and animals are eliminated.
Many kinds of plants could be used to treat various dangerous diseases.
Water can be held on land by vegetation
Man is constantly doing harm to the environment
Plants may cause floods and erosion.
We can do nothing to save the earth.
Rapid run-off
something
Task 3:Give a headline to each paragraph
A.The loss of forest in destroying the earth’s plant and animals variety.Scientists say about 5,000 species of plants and anima are eliminated each year .This is especially worrying as many of those plants and animals could be used as medicines against cancer ,AIDS,heart disease and many other sicknesses .We may never know the true cost of this destruction.
Man and most animals need a constant supply of water to live.Farmers need water of their crops.Hydroelectric dams hold back needed water and provide power for homes and industries .Trees , grasses ,and other plant life play an important part in the natural circulation of water ,and thus help conserve it .Without plants ,most water would cause frequent floods and leave little water during dry seasons.
These days it is impossible to open a newspaper without reading about the damage we are doing to the environment .The earth is being threatened and the future looks bad.What can each of us do? We cannot clean up our polluted rivers and seas overnight.Nor can we stop the disappearance of plants and animals .But we can stop worsening the problem while scientist search for answers ,and laws are passed in nature’s defense.
The value of forests
The importance of water
Save the earth!
FREE PRACTICE
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GAME
HAVE 4 PICTURES OF ANIMALS.
YOU HAVE TO GUESS THE NAMES OF THE ANIMALS BASED ON GIVEN CLUES.
THE RULE OF THE GAME
It lives in China
Its best favorite food is bamboo trees
Its fur is both white and black
It looks like a bear
1
PANDA
IT IS VERY POPULAR IN AFRICA
ITS BODY COVERS WITH BLACK AND WHITE LINES
IT RUNS VERY FAST
ZEBRA
IT LIVES IN AUSTRALIA
IT RUNS ON TWO BEHIND LEGS
IT PUTS ITS BABY IN ITS BAG
KANGUROO
IT IS THE LARGEST BIRD IN THE WORLD
IT LIVES IN AMERICA
ITS NECK AND LEGS ARE VERY LONG
IT RUNS VERY FAST
OSTRICH
THANK FOR YOUR ATTENTION
 
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