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亲爱的新同学们:当你们刚刚结束了中学阶段而跨入大学门槛并有志献身于祖国化学事业的时候,我除了对你们表示热烈的祝贺和欢迎外,我想借此机会和你们谈淡化学在自然科学中的地位,在国民经济中的作用以及如何学习掌握好化学这门科学技术问题。化学是基础教育的一门必修课,为什么呢?首先是作为一个有素养的公民,必须对周围世界有一个正确的认识。人类自远古以来就开始探索世界上形形色色的物质是由什么组成的,是如何组成的,中间经过不少的曲折和错误,才逐渐揭开了物质世界的奥秘,使我们抛
Dear New Classmates: When you just finished the high school stage and stepped into the university threshold and aspired to be devoted to the motherland’s chemistry, I would like to take this opportunity to talk with you not only on the warm greetings and welcomes Its position in the natural sciences, its role in the national economy, and how to learn and master the science and technology of chemistry. Chemistry is a required course for basic education. Why? First, as a well-educated citizen, we must have a correct understanding of the world around us. Since ancient times, mankind has begun to explore what constitutes and consists of various forms of material in the world. After a great deal of twists and turns in the middle, the mystery of the material world has been gradually uncovered, so that we can throw aside