第1个回答 2010-10-12
woods are friends of human being,it's good to plant trees.
the forest can deal with wind, flood and draught, actually it did far more that this kind of things.
The forest is natural reservoir. it reserve the sourse,defend the wind and fix the sands, keep the water and soil. The forest is purifier, it absorb the poison gas, keep the air clean. The forest is air-conditioner, it has lower temprature,higher humidity,cooler breath, compared with only construction district. The forest is a muffler, it's more quiet at street where trees are planted along, than places without trees. The forest is dust collecter, like pinaster and elm, they can collect the dust and filter the dusty air. The forest is also a sterilizer, they produce things which can kill bacilli and virus, that's why there's so little bacilli in a forest.
The forest area has a very comfortable air, with minus ion, it has a favorable weather and keep people healthy and live long.
The forest is also named as green mine, wood can be everything in the social life, it even can be chemical products, fertilizer and feedstuff, after processing. the wood was used in so many field like industry,agriculture,national defence,,, we can not live without it. moreover, the forest is the home of the birds and animals, the zoology balance can be kept if we save the forest well.
So, to keep the zoology balanced, we all need to save the forest on our own, plant more trees and let the forest everywhere.
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ps:
Can I ask more scores? it took me some times.
ps:some mistakes i think you can correct.