Exercise 5. Translate into English.

Впливати на живі речі, екологічне питання, тривожний напад, забруднення повітря, доказ скидання відходів у море, забруднювати оточуюче середовище, зменшення кількості лісів, поглинати вуглекислий газ, постачати кисень, тендітні рослини, чарівні створіння, відбуватися природно, охолоджувальна система.

Exercise 6. Match words in A to their antonyms in B.

A B

1. be separated from	a) dirty
2. contamination	b) stability
3. throw away	c) safe
4. carefully	d) slow
5. reduction	e) extension
6. rapid	f) carelessly
7. fragile	g) keep, preserve, save
8. dangerous	h) purification
9. change	i) be united to
10. clean	j) strong, firm

Exercise 7. Substitute the words and phrases in bold type by close in their meanings from the text.

1. Nowadays our planet is inhabited by more than 6 thousand million people.

2. Air, water and soil are polluted by poisonous substances.

3. The removal of a single species can cause a number of connected changes in nature.

4. Dangerous chemical gases are warming up the atmosphere and making the ozone layer less dense.

5. Human activity is changing the content of the atmosphere very quickly.

6. The most troubling of all human attacks on the environment is the contamination.

7. Evidence of water pollution with wastes can be found everywhere.

8. Only about three percent is non-salted.

9. Forests absorb CO₂ from the air and supply O₂.

10. Forests have been turned into farms.

Exercise 8. Put questions to underlined words.

1. The environment is everything that surrounds and affects the character and growth of living things.

2. When talking about environmental problems, ecological issues cannot be separated from their effect on mankind.

3. Today the planet holds more than 6 billion people.

4. For many people, the most alarming of all human attacks on the environment is the contamination of air, soil, and water.

5. Evidence of dumping can be found everywhere.

6. Humans are polluting at the expense of their own lives.

7. We must use water carefully.

8. 97 percent of the water on Earth — is salt-water.

9. Forests absorb carbon dioxide from the air.

10. Forests have provided people with fuel, food and shelter.

Exercise 9.Make future simple questions:

1. ____________________ (they / come) tomorrow?

2. When ____________________ (you / get) back?

3. If you lose your job, what ____________________ (you / do)?

4. In your opinion, ____________________ (she / be) a good teacher?

5. What time ____________________ (the sun / set) today?

6. ____________________ (she / get) the job, do you think?

7. ____________________ (David / be) at home this evening?

8. What ____________________ (the weather / be) like tomorrow?

9. There’s someone at the door, ____________________ (you / get) it?

10. How ____________________ (he / get) here?

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