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We must protect our environment.

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1. . (1min)

Today in our lesson we are going to read and to speak about the global warming which is caused by greenhouse effect.

2. Warm-up (3min)

Finish these lines from Cree Native American philosophy retold by H.G. Thoreau.

Only after the Last Tree has been Cut Down

Only after the Last River has been Poisoned Only after the Last Fish has been Eaten Only Then will you find

That (Cree-a tribe of the Native Americans in Canada and Northern America)

3. .

1. .

Read the text and give the title to it. (10 min.)

.Environmental protection is the main problem facing humanity nowadays. The image of sick planet has become firmly established in the public mind lately. Ten years ago word ecology hardly meant anything for the majority of people, but today we can hardly bear it in mind. It has happened because of the growing effect of the rapid industrial development of the natural world which has negative features of its own. As a matter of fact the state of the environment has greatly worsened of late.

B. There is no doubt that soil; water and air are contaminated with toxic wastes. Over the past few years we have been constantly speaking about ozone holes, droughts, high level of radiation, about food contaminated with chemicals.





. Scientists are very much concerned about drastic changes in weather patterns. The worst drought, the mildest winter and the most devastating hurricanes have become typical in those parts of the world where they used to be a rare occurrence. Weather patterns have been changing recently due to the global warming-up process and its major reason the greenhouse effect.

D. The greenhouse effect is created by carbon dioxide emissions, released by industrial facilities and constantly increasing a number of cars. Thus it is of vital importance that the world should start cutting down the release of gases that contribute to the greenhouse effect. As a result there is the deterioration of the environment which tells on people. They are paying for this with their health. All people need a healthy environment.

E. To solve this burning problem it is necessary for people to combine efforts, to raise safety standards at all industrial facilities, to adequately process by- products of industry and set up an international center for emergency environmental assistance.

2. :

1). Let us choose the best title to the text. Why do you think it is the best? (1 min.)

2). Read the following sentences and choose the best translations of them: (3min.)

1. There is no doubt that soil; water and air are contaminated with toxic wastes.

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B. , , .

2. The worst drought, the mildest winter and the most devastating hurricanes have become typical in those parts of the world where they used to be a rare occurrence

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B. , , - , .

3. The greenhouse effect is created by carbon dioxide emissions, released by industrial facilities.

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4. Thus, it is of vital importance that the world should start cutting down the release of gases that contribute to the greenhouse effect.

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B. , , .

3). Ex.3. In which parts of the text can you find the following information? Fill in the table with letters.

1. People must be environmentally conscious. _____

Weather changes are caused by global warming. ______

People speak much about various environmental problems. _____

Industrial facilities and cars emit poisonous gases to atmosphere. _____

People should fight together to stop pollution. _____

The unusual changes in weather occur in many parts of the world. _____

The health of people is affected by dirty environment. _____

8. Poisonous gases spoil the nature. _____

9. Carbone dioxide gases cause the greenhouse effect. _____

10. The important step to save the nature is to raise the levels of standard of all industrial facilities. ______

2. . .

.

1.) Match the words and their synonyms: (2 min.)

Drastic to control

Devastating to emit

To contribute to protect

To monitor to effect

To tell on destructive

To release to add

To prevent radical

2).Combine the words from the two columns together to make meaningful expressions. (3min)

1. Air is contaminated a. to set up safety standards

2. The greenhouse effect is created b. with toxic gases

3. The global warming process c. by carbon dioxide emissions

4. There are drastic changes d. Releasd by industrial facilities

5. Weather has changed e. Are the results of pollution

6. The world should start f. In weather patterns

7. Ozone holes, droughts, radiation g. cut down the release of gases

8. People should combine efforts h. is caused by greenhouse effect

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(Key: 1.b; 2.c.3.h; 4.f.; 5.d; 6.g; 7.e; 8.a)

3). .

Look through the text once more and give a gist of each part in one sentence. Now discuss the questions in pairs or in mini-groups.

( -). (6 min)

1. What is the reason that the state of the environment has greatly worsened of late?

2. What does cause the drastic changes in the weather patterns?

3. How is the greenhouse effect created?

4. What should be done to stop the deterioration of the environment?

Use the expressions below.

3. .

堠 - .

For questions 1-13, read the text again and think of the word which best fits the space. Use only one word in each space.

Global warming or global cooling?

Scientists have warned that the earth is turning (1) ------- a kind of giant greenhouse and in the future there (2) ------ a rise in temperatures everywhere. But some scientists disagree. They say that certain (3) ------ of the earth are not (4) ------ to get warmer but are going (5) ------- get cooler. Global cooling over parts of Europe (60) ----- probably be greater (7) ------ global warming. The reason is simple: clouds. Warmer temperatures will (8) -----more water evaporate and (9) -----will lead to more clouds. These (10) --- will shade the earth from the sun, leading to cooler temperatures (11) ----- the day. Ecologists, however, insist that global warming will continue, in (12) ------ of increased cloudiness- and it (13) -----not going to be a good thing.

Keys: (1.into 2.will be 3.parts 4. going 5 instead.6. will 7. than8.make9.it10. clouds 11.during12.13.is)

4. .

Answer the questions and discuss the topic in pairs: (6 min)

1. What is the greenhouse effect?

2. Is the earth going to get warmer or cooler?

3. Read the text again quickly. What does the author say about this?

What is your opinion on the problem?

5. .

1).How well did you work in the lesson?

2).Did you discover any new things?

3).Was the lesson interesting?

6. . .

7. .

Homework: The international debating society invites your school team to join the debate on: Is global warming going to get better or worse?

You may argue for or against the motion. Be ready to speak for 2 minutes.

:

1. . .. .

2. Rising Star (a pre-first certificate course).MACMILLAN.

3.NEW millennium ENGLISH-11




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