Заполните пропуски нужными предлогами из колонки справа.

Concern ........ the avalanche problem is ……. -under

no means new. Several interesting ideas -within

are ……. study. -about

Investigations are focused on the nature ……. -on

snow itself and the strength of bonding ……. -in

the crystals ……. a layer. -by

Cohesion between the snow particles -between

depends ……. large part ……. the nature of -of

snow crystals.

Ex.6.

Употребите вместо выделенных слов заменяемые ими существительные.

1. Another category of geologic hazards is that of man-induced hazards.
2. Volcanic eruptions do not spread over areas as large as those involved in tectonic earthquakes.
3. The separation of subsidence phenomena due to fluid withdrawal into those caused by exploration of oil and gas fields and those caused by pumping of ground water seems highly arbitrary.
4. The length of time of known human history is very short as compared to that of known geologic time.

Ex.7.

Составьте пары слов близких по смыслу.

1. to account for 1. various

2. adverse 2. lead to

3. hazardous 3. to explain

4. to result in 4. harmful

5. to result from 5. to be caused by

6. to effect 6. to happen

7. to occur 7. to influence

8. to reduce 8. to eliminate

9.

Ex.8.

Трансформируйте следующие словосочетания в предложения.

7. the fluid removed

8. the principles involved

9. the affected mass

10. debris deposited by water

11. the term appried by geologists

12. areas involved in tectonic earthquakes

Ex.9.

Образуйте существительные от следующих глаголов, используя следующие суффиксы.

13. to forecast

14. to cohere

15. to ski

16. to protect

17. to expand

18. to cross

19. to measure

Ex. 10.