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Nature is great, ecology is complicated, life is a mystery, but we know too little, less than "ephemera to heaven and earth, and are one of the sea corn." The earth is rich and colorful, the myriad of object. A blade of grass, a tree, an animal, a group, a person, a family, a nation, a society. Is the result of a natural progress. Natural animal, natural plant, all the plants in the natural, natural all life is useful. Their existence is useful. To think of the mother at the sight of the forest, wood; At the sight of the rivers of power; At the sight of the grassland, to think of red meat and cashmere sweater; To think of at the sight of the animal, can eat, can use, can be used as a medicine.

Cherish the animal is the wealth of society, we must protect. Although some are common, but beneficial to human animals, we should also take care of. Plants but also the friend of human. Plants can help people purify air, reduce noise, keep the soil and water conservation, windbreak and sand-fixation, regulating climate. Really done a lot of contribution for the human.

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大自然是伟大的，生态是复杂的，生命是奥妙的，而我们了解得太少了，尚不及“寄蜉蝣于天地，渺沧海之一粟。”地球是丰富多彩，物象万千的。一根草，一棵树，一个动物，一个群体，一个人，一个家庭，一个民族，一个社会。都是自然不断进步的结果。天生的动物，天生的植物，天生所有的植物，天生所有的生命都是有用的。它们的存在就说明有用。一看到森林，就向想到母木材;一看到河流就想到发电;一看到草原，就向想到牛羊肉和羊绒衫;一看到动物，就向想到能不能吃，能不能用，能不能入药。

珍惜动物是社会的财富，我们必须保护。一些虽很常见，但对人类有益的动物，我们同样应该爱护。植物也是人类的朋友。植物能够帮助人们净化空气，减少噪音，保持水土，防风固沙，调节气候。真是为人类做了不少贡献。