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Презентация на тему по английскому языку по теме Лесные пожары
Содержание
- 2. Forests have many enemies, but the greatest one is fire.
- 7. Fires are very harmful to the forest.
- 9. The greater is the proportion of pine
- 10. The so-called crown fires can spread over large territories, burning out valuable forest stands.
- 12. Sometimes fires burn over the surface of the ground but do not reach the treetops.
- 13. These are surface fires.
- 14. Surface fires burn the young trees and the leaves on the forest floor.
- 15. Surface fires kill the animals.
- 16. Surface fires destroy the fertility of the soil.
- 18. Many causes of forest fires remain unknown,
- 19. Certain preventive measures have been worked out against fires.
- 20. It is usual practice to build a network of firebreaks and fire-belts in the forest.
- 22. They may hold a fire out and give no possibility for its further movement.
- 23. Aviation takes an active part in fighting forest fires.
- 25. Airplanes bring firemen-parachutists and spray fire retarding chemicals over the forest.
- 27. Anti- fire societies are formed.
- 29. Fire damage
- 31. Согласно официальной сводке Федерального агентства лесного хозяйства,
- 33. Fire damage
- 35. Protect our forest from fires!
- 36. Берегите лес!
- 38. WARNING:
- 39. Remember: 1.Do not
- 40. Скачать презентацию
- 41. Похожие презентации
Forests have many enemies, but the greatest one is fire.
Слайд 9 The greater is the proportion of pine and
fir in the forest, the greater is the possibility
of inflammation.Слайд 10 The so-called crown fires can spread over large
territories, burning out valuable forest stands.
Слайд 18 Many causes of forest fires remain unknown, but
careless use of fire is the
cause number one.Слайд 31 Согласно официальной сводке Федерального агентства лесного хозяйства, площадь,
пройденная лесными пожарами
с начала 2010 года по 6
августа, составила 866 743 га.
Fire damage
Слайд 37
The causes of forest fire: 1. Careless use
of fire. 2. Kindling fires in the forest belt. 3.Pranks with matches in a forested area. 4. Burning of dry grass near the forest. 5. Lightning strike into a tree.Слайд 38 WARNING: 1. If you found a small
fire in the woods you have to take
action to eliminate it, and you do not have failed to stop the fire, you should inform the administration about the fire near the village or local forestry. 2. It is known that fire prevention is better than to risk their lives to extinguish.Слайд 39 Remember: 1.Do not drop to the ground burning matches
