1, chemicals are the inevitable product of the development of human science and technology to a certain stage. Today, it permeates all aspects of our lives, and factories produce cosmetics, food, military weapons, space satellites, medical care and so on. , are inseparable from chemicals. It can be said that without chemicals, society cannot develop, science and technology cannot progress, and national security cannot be guaranteed. Can you leave the chemicals?

2. (If the other party puts forward naturalism) Yes, people admire nature now. Are primitive times natural? How is the quality of life (blood sucking)? How long is the life span (20 years old)? Now that there are chemicals, what is the quality of our life? How long is the life span (7 1 year)? We can't stop the progress of human society and deny the great invention of chemical substances for the sake of nature. Of course, chemicals are sometimes harmful to human beings, but we can't deny his contribution to the progress of human society because of their harm, let alone stop eating because of choking. We must weigh the pros and cons of everything. Is electricity harmful to human beings? But can you deny the function of electricity? Is it more harmful or more beneficial? We all know that water is a necessity in our life, but is it less harmful to human beings? Can you say that water does more harm than good to us?

3. Chemical Lv Pin is closely related to our life. Jing asked each other, don't you have chemically synthesized glassware at home? You don't have synthetic cleaning products, shampoo, washing powder, etc. If the disadvantages outweigh the advantages, don't use them. People ask you why you don't wash it, and you say that washing powder is a chemical, which does more harm than good. . . . . Besides, don't install glass on your window, that old chemical!

Hehe, I'm sorry