【摘要】 2019年高中化学奥林匹克北京地区预选赛试题立足于中学化学基础知识及其自然生长点,注重学科核心素养,突出关键能力。试题选材上贴近生产、生活实际和化学科学前沿,引导学生理论联系实际,从解题逐步走向解决问题。从试题立意、命题背景和解题思路等3个方面对试题进行解析。更多还原

【Abstract】 The questions in the preliminary contest of Chemistry Olympiad for Beijing high school students in 2019 are designed based on the basic knowledge of chemistry and its natural growth points, especially the core literacy of chemistry and essential skills required by the competition. The given information in the questions is closely related to the real situations of production, people’s life, and chemical frontiers. Students are assessed in their ability to answer questions and to integrate theory with practice, by which cause to solve real problems with chemistry knowledge. This paper analyzes the intention, background and the solutions of test questions, which gave a strategy to use the set of test questions for teachers and students.更多还原