bài giảng tiếng anh 12 unit 9 deserts

Only trees with hard needles can grow in a desert.. Rabbits are one of the agents that help make desert in Australia... It examines deserts, what they are and how they are formed.. Th

Unit 9:

Deserts

Period 57:

Lesson 3:

Listening

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2.olocyn

=>

3.mcileta =>

4.aintnuom =>

5.htowrg =>

Rearrange letters into meaningful words

firewood colony climate mountain growth

GAME

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)

1 In a desert, everything is hard.

2 Only trees with hard needles can grow

in a 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 desert in Australia.

T 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

B It is also a beautiful land of silence and space.

C

C The sun shines, the wind blows, and time and space seem endless.

D

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?

Base on your summary, write

a short paragraph about the deserts (about 80-100 words)

Thank You!