劳动实践,预习新知If possible, please find a farm and try working the land yourself or talk with a farmer to learn more about farming. Then, make a poster to show what you have learned. (Both English and Chinese are acceptable.)You may think about these questions:
(1)
What kind of farming do you see? Chemical farming or organic farming?
(2)
What do you know about these farming methods?
(3)
What do you think of these farming methods?
答案: We may see both chemical farming and organic farming as they are very common.
Just as its name implies, in chemical farming, chemicals such as chemical pesticides and artificial fertilizers are often used.Organic farming is simply farming without using any artificial chemicals.
Using chemical pesticides and artificial fertilizers is a great way to fight crop disease and increase production. But the long-term use can harm both the land and people's health. As for organic farming, farmers can grow good food while avoiding damage to the environment or people's health. However, organic farming fails to serve the high demand for food around the world. In a word, they both have advantages and disadvantages.