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自从有了人类,化学便与人类结下了不解之缘。随着科学技术的进步,生产力的发展,化学与人类的关系越来越密切。如今,化学作为一门基础学科,研究物质的组成、结构、性质以及变化规律,它源于生活,同时也在生活和生产中也发挥着不可估量的作用。我讲从以下几点谈谈化学使我们的生活更美好。一、化学使服装更漂亮纤维作为服装的原材料,大致分为两类:天然纤维和化学纤维。天然纤维包括动物纤维、植物纤维、矿物纤维,例如:毛、棉、丝都是天然纤维。用天然纤维做出的衣
Since human beings, chemistry has become indissoluble bond with mankind. With the progress of science and technology and the development of productivity, the relationship between chemistry and human beings has become closer and closer. Nowadays, as a basic discipline, chemistry studies the composition, structure, nature and variation of matter. It originates from life and plays an inestimable role in life and production. I will talk about chemistry from the following points to make our life better. First, the chemical make clothing more beautiful Fiber as a raw material for apparel, broadly divided into two categories: natural fiber and chemical fiber. Natural fibers, including animal fibers, plant fibers, mineral fibers, such as: wool, cotton, silk are natural fibers. Clothing made with natural fibers