Unit 9. Deserts

Fill in each blank with one suitable word from the box.
1. The desert was named …………….. a famous writer.
2. A ……….. is a low hill of sand formed by a wind in a desert.
3. you can see hummock grasses on the ……… of dunes
in the Simpson Desert.
4. Spenifex grows in the ……………… between dunes and on the more stable slopes.
5. The great Victoria Desert ………….. to the North of Nullabor.
crest
dune
desert
stretches
after
corridors
Lesson 2: Listening
Work in pairs. Ask and answer the following questions.
1. What is a desert?
2. How is a desert formed?
3. Can human beings make a desert? Why/ Why not?
* Vocabulary:
1. cool (a)  cool (v)
2. canal (n)
[kə`næl]
kênh, sông đào
3. needle (n)
[`ni:dl]
kim,lá kim
4. colony (n)
[`kɔləni]
thuộc địa
5. firewood (n)
[`faiəwud]
củi
6. edge (n)
[edʒ]
rià, cạnh
7. petroleum (n)
[pə`trouliəm]
 Iraq is very rich in petroleum.
làm cho mát, nguội
dầu
canal
needle
colony
firewood
edge
kênh, sông đào
kim, lá kim
thuộc địa
củi
rià, cạnh
dầu
petroleum
frightening speed
Australia
Sahara
firewood
petroleum
Mauritania
Task1. Are the following statements true (T) or false (F)?
T F




1. In a desert, everything is hard.
2. Only trees with hard needles can grow in desert.
3. Space seems to have no limit in the desert.
4.Nature causes the change in the size and location of the world’s desert.
5.Rabbits are one of the agents that help make
deserts in Australia.

Task 2. Answer the following questions
C
E
B
D
A
F
Task2. Answer the following questions.
1. What central theme does the talk examine?
2. What is a desert?
3. What causes the growing of the world’s deserts?
4. In what way do rabbits contribute to the growing of
deserts in Australia?
It examines deserts, what they are and how they are formed.
It is a hot, dry, sandy place. It is also a beautiful land of
silence and space. The sun shines, the wind blows, and
time and space seem endless.
Nature and humans.
They contribute by eating every plant they can find.
This makes the land become desert.
Task3. Fill in the missing word(s)
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
Work in groups. Summarize the main ideas of the expert’s
Talk. Use the following suggestions:
 What is desert?
 What causes the growth of a desert?
 What should humans do to prevent the
growth of deserts?
Name some things which appears in the pictures?
- trees
- canal
- water
- grass
- tower
- building
- brick
- cloud
- fence
- ...
Question 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.
A
Question 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.
D
Question 3.
What causes the growing of the world’s deserts?
C. Nature and humans.
B. Nature.
D. Humans.
A. Sand.
C
Question 4
In what way do rabbits contribute to the growing of
deserts in Australia?
B. They contribute by eating every plant they can find.
This makes the land become desert.
A. They contribute by cutting every plant they can find.
D. They destroy every plant they can find.
C. They contribute by planting every plant they can find.
B

Congratulation!
Lucky number