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Welcome to our class
* Put the verbs into the correct form using conditional sentence:
1. If you exercised more, you . . . better. (feel)
 would feel
2. They would be rather offended if I . . . to see them. (not / go)
didn’t go
Unit 10: Conservation
lesson: Reading
* Before you read:
1. Have you ever visited a zoo or a forest?
2. What animals are you interested in?
3. Do we need to protect animals and forests?
* While you read:
1. What are they doing?
 They are cutting down the trees
2. What is the consequence of this?
 It may cause flood, drought, and the loss of the animals’ habitat. . .
�* New words:
_ conservation (n) / conserve (v):
_ lose (v) / loss (n):
_ eliminate (v) [i`limineit]: remove or get rid of completely
_ supply of water (n):
_ hydroelectric (adj) [,haidroui`lektrik]: concerning or producing electricity by the power of falling water.
? hydroelectric dam (n):
_ circulation (n) [,s?:kju`lei?n]: the movement of something around a closed system.
_ run off (n): liquid which flows off or from something ? run off (v)
_ take away (v):
_ valuable soil (n):
_ worsen (v) :
_ nature`s defense (n): [`neit??z di`fens]
_ erosion (n):
Task 1
Match the word in A with a suitable definition in B

A
1. eliminate
2. circulation
3. run off
4. hydroelectric


B
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
1. eliminate =c. remove or get rid of completely
2. circulation = a. the movement of something around a closed system
3. run off = d. liquid which flows off or from something
4. hydroelectric = b. concerning or producing electricity by the power of falling water

Task 2:
Decide whether the following statements are true (T) or false (F)
1. Each year about fifty hundred species of plants and animals are eliminated. 
2. Many kinds of plants could be used to treat various dangerous diseases. 
3. Water can be held on land by vegetation 
4. Man is constantly doing harm to the environment. 
5. Plants may cause floods and erosion. 
(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)
6. We can do nothing to save the earth. 
(We can stop worsening the problem while scientists search for answers, and laws are passed in nature’s defense)
T
T
T
T
F
F
Task 3:
Choose the most suitable main ideas for each paragraph
1. We cannot live without water.
2. Let’s do something to save the earth.
3. Forests give us a lot of valuable things
4. Vegetation can help conserve water
A: 3. Forests give us a lot of valuable things
B: 4. Vegetation can help conserve water
C: 2. Let’s do something to save the earth.
Questions:
1. What is the loss of forest destroying?
 It is destroying the earth’s plant and animal variety.
4. What do man and most animals need to live?
 They need a constant supply of water to live.
6. What would rabid run-off cause?
 It would cause frequent floods and leave little water during dry seasons.
* After you read:
Answer the following questions
1. What is the consequence of losing forest?

 It is destroying the earth’s plant and animal variety.
2. How important is water in our life?
 Man and most animals need a constant supply of water to live.
3. What should we do for the future of our planet?
 We can stop worsening the problem while scientists search for answers and laws are passed in nature’s defense.

* Make sentences from the words or phrases given:
1. The loss of forest / cause / floods / droughts / the loss of animals’ habitat
2. We / not / live / without / water
3. We /should / conserve / forests / not / make / environment / polluted.
ý * Answer key
 The loss of forest may cause floods, droughts, and the loss of animals’ habitat.
 We can’t live without water.
 We should conserve our forests, and should not make our environment polluted.