随着科学的进步,化学与人类生活的关系越来越密切。它大大改善了人类的衣、食、住、行和卫生健康等条件,提高了人们的生活水平,但同时也产生了一些新的问题。所以人体健康问题、环境问题和材料的开发与应用备受社会的关注,这些问题也是近年来中考命题的热点。 With the progress of science, the relationship between chemistry and human life is getting closer. It has greatly improved human conditions such as clothing, food, housing, transportation and health, and improved people’s living standards, but at the same time it has also created new problems. Therefore, the development and application of human health issues, environmental issues, and materials have received much attention from the society. These issues are also hot topics in the recent examinations.