Unit 9. Deserts

1.iwfooedr => 2.olocyn =>
3.mcileta =>
4.aintnuom =>
5.htowrg =>
Rearrange letters into meaningful words


firewood
colony
climate
mountain
growth
Unit 9:
Deserts
Period 57:
Lesson 3: Listening
Before you listen
What is a desert?
How is a desert formed?
Can human beings make a desert? Why/Why not?
Work in pairs: ask and answer the following questions
* Listen and repeat
Frightening speed (n)
Australia (prop.) [ɔs`treiljə]
Sahara (prop.)
firewood (n) [`faiəwud]
petroleum (n) [pə`trouliəm]
Mauritania (prop.)
partly (adv.) [`pɑ:tli]
rabbit (n) [`ræbit]
Nhanh như chớp
Nước Úc
Sa mạc Sahara
Củi
Dầu mỏ
Nước Mauritania
Một phần nào đó
Con thỏ
canal (adj.) [kə`næl]
Kênh đào
While you listen
Task 1
You will hear an expert talking about deserts, what they are and how they are formed. Listen to his talk and decide whether the statement are true (T) or false (F)





Task 1: Listen and decide whether the statements
are true (T) or False (F).
Sc 1
1. What central theme does the talk examine?
A. It examines deserts, what they are and how they are formed.
B. It examines plants and animals.
C. It examines sand in deserts.
D. B & C are correct.
2. What is a desert?
A. It is a hot, dry, sandy place.
B. It is also a beautiful land of silence and space.
C. The sun shines, the wind blows, and time and space seem endless.
D. A, B, and C are correct.
3. What causes the growing of the world’s deserts?
A. Sand
B. Nature.
C. Nature and humans.
D. Humans.
4. In what way do rabbits contribute to the growing of deserts in Australia?
A. They contribute by cutting every plant they can find.
B. They contribute by eating every plant they can find. This makes the land become desert.
C. They contribute by planting every plant they can find.
D. They destroy every plant they can find
Task 2: Listen again and answer the following questions
Sc 1
In the developing countries, (1) ……………….. of the people use wood for cooking and heat. They cut down trees for firewood. But trees are important. They cool the land under them and keep the sun off (2) …………………… When leaves fall from a tree, they make the land richer. When trees are gone, the small plants die and the land becomes desert.
Humans can make deserts, but humans can also (3)…. …………… their growth. Algeria planted a green wall of trees across the edge of the Sahara to stop the desert and sand from (4) ……………… .Mauritania planted a similar wall around its (5) ………… . Iran puts a thin covering of petroleum on sandy areas and plant trees. Other countries build long (6) …………… to bring water to the desert areas.
90 percent
smaller plants
prevent
spreading
capital
canals
Task3: Listen again and fill in each blank with one of the words in the box below:
Protect Larger plants 90 percent 19 percent
Canals Bridge Spreading Capital Smaller plants
After you listen
Work in groups. Summary the main ideas of the expert’s talk. Use the following suggestions:

What is a desert?
What causes the growth of a desert?
What should humans do to prevent the growth of deserts?
HOMEWORK

Base on your summary, write a short paragraph about the deserts (about 80-100 words)
Thank You!