IV. Fill in the spaces with the suitable words and word combinations

1. The problem of man and … is one of the most difficult problems for many sciences 2. We see signs of … , which may cause a crisis if … are not taken. 3. The air … , the earth … and are becoming polluted with bу-products of man's activities. 4. Маn depends … on what the biosphere provides: water, oxygen, food, etc. 5. Man creates new compounds, new substances, pure chemical elements which are … . 6. The increasing noise level is a … nowadays. 7. Noise does not only do … to the hearer but can weaken … . 8. Every car consumes … . 9. The poisonous … makes difficult the emission of the earth's heat into space. 10. The pollution from industry can occur intentionally, when factories … directly into rivers, lakes and oceans. 11. Sea- and river-going ships often pollute … with various oil products. 12. No less than five million tons of oil are discharged into … each year. 13. One ton of oil can spread over about twelve square kilometres of … as a fine film. 14. One litre of oil makes one million litres of … unfit for drinking. 15. The contamination of … comes from many sources. 16. The volume of both … has increased in the past 50 years. 17. Industrial air pollution is caused by … , such ascarbon dioxide and chlorofluorocarbons. 18. Sulphur dioxide and nitrogen oxides lead to … . 19. Thebalance of nature within any ecosystem depends on … between millions of species. 20. The death of one species could … of hundreds of others. 21. There are many more … than of large ones. 22. Once the … has died, that species is lost to the planet. 23. We must try … on the earth — even the ugliest insects and the tiny, invisible bacteria.

<== попередня сторінка	\|	наступна сторінка ==>
II. Translate the sentences into Russian	\|	Text 2. A BIO-SOLUTION TO GLOBAL WARMING?

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