AIR POLLUTION

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Mai Thị Lan Anh

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dustmasks



* VOCABULARY

Clean air provides us
with a healthy supply
of oxygen.

•+ to provide sb (with sth) [prE'vaId] (v):
to supply sb (with sth)

Ex: book/ provide/ you/ information/ need.

- This book will provide you with (all)
the information you need.
" provision [prE'vIZn] (n)


When wastes are poured into the
atmosphere, the air becomes contaminated
and unpleasant to breathe.

+ to contaminate [kEn'tXmIneIt] (v): make dirty
to
to contaminate sth (with sth)
Ex: - Chúng ta không nên làm ô nhiễm
-We shouldn’t contaminate our
dòn with wastes and g ta bằng
river g sông của chúnchemicals.các
chất thải và các hóa chất.

-The drinking water has become
contaminated with lead.

" contamination [kEntXm1#ne1Fn]
(n)


Water vapour and carbon
dioxide occur in the air
naturally.

+ vapour (BrE)['veIpE(r)] a mass of very small
(n):
=

vapor (AmE)

Ex: water vapour

drops of liquid in the
air, for example steam

+ carbon dioxide ['kA:bEn daI'KksaId] CO2
+ to
(n): occur [E'k3:(r)] (v): to exist or be found
somewhere

Ex: Sugar/ occur/ naturally/ fruit.
- Sugar occurs naturally in fruit.


Examples of air pollution are
dust storms , volcanic eruptions,
forest fires caused by lightning,
pollen, and marsh gases.

A dust storm


+ volcano [vKl'keInEV ] (n)
(plural volcanoes / volcanos)

…volcanic
eruptions, forest
fires caused by
lightning, …


+ volcano [vKl'keInEV ] (n)
Ex:

…volcanic
eruptions , forest
fires caused by
lightning, …

- An active volcano may erupt at any time.
- A dormant volcano
['dC:mEnt]
- An extinct volcano [Ik'stINkt]
" volcanic [vKl'kXnIk] (adj)
Ex: A volcanic eruption


Hawaii is a collection of undersea volcanoes
A volcanic eruption
that have risen above sea level over millions of
years to form a chain of islands


A caused
A forest fireforest fireby lightning


+ pollen ['pKlEn] (n): phấn hoa

+ marsh gas [mA:F éỉs] (n):
khí đầm lầy (khí mêtan CH4)


A large amount of air pollution

in cities comes from sources
other than industry, mainly
automobiles, home heating, and
garbage disposal.

+ other than: different or differently from
Ex:

I have no choice other than
to accept his offer.


… mainly
automobiles, home
heating, and garbage
disposal.
+ garbage ['9A:bIdZ] (AmE)
(n):

= waste food, paper, etc.
rubbish [#rLbIF] (BrE)

that you throw away


… mainly automobiles,
home heating, and garbage
disposal.
•+ to dispose of sb / sth [dI#spEUz] (v):
to get rid of sb or sth that you do not

want or cannot keep
Ex: --We should find a bettert waể
Chúng ta nên tìm cách tố hơn to
loại bỏ rác thải trong gia đình.

dispose of household garbage.
" disposal [dI#spEUzl] (n)
Ex: garbage disposal (việc xả rác)


*VOCABULARY
* to provide

[prE'vaId]

" provision

[prE'vIZn]

* to contaminate [kEn'tXmIneIt]
* contamination

[kEntXmI'neIFn]

* vapour

['veIpE(r)]

* carbon dioxide ['kA:bEn daI'KksaId]

* occur

[E#k3:(r)]

* volcano

[vKl'keInEV]

" volcanic

[vKl'kXnIk]

* pollen

['pKlEn]

* marsh

[mA:F]

* dispose

[dI#spEUz]

" disposal

[dI#spEUzl]

* garbage

['9A:bIdZ]





* COMPREHENSION
A. TRUE (T) – FALSE (F)

1. Clean air is very necessary for our

T / F

health.
2. Wastes make the air dirty and

T / F

unpleasant to breathe.
3. Water and carbon dioxide occur in the
air naturally.

T / F


4. Dust storms, volcanic eruptions and
forest fires are among many sources
that can pollute the air.

T / F

5. Industry is the only source of air
pollution in cities.

T / F


B. QUESTIONS
1. What / clean air / provide / us?
- What does clean air provide us with?
- (Clean air provides us with) a
healthy supply of oxygen.


2. When / air / become / contaminate /
unpleasant / breathe?
- When does the air become contaminated
and unpleasant to breathe?
- When wastes are poured into the
atmosphere.


3. What / some examples / air pollution/
nature?
- What are some examples of air pollution

in nature?

- They are dust storms, volcanic eruptions,

forest fires caused by lightning, pollen
and marsh gases.