我国普通高中是与九年义务教育相衔接的高一层次的基础教育。当前，高中最重要的任务是向素质教育转变，为高等院校培养大量合格的新生，为社会各行各业培养大批劳动后备力量，以适应21世纪的需要。为此，近几年来，我国无论是在制订高中化学教学大纲，还是在编写与之配套的高 China’s ordinary high school is a high-level basic education that is linked to nine-year compulsory education. At present, the most important task for high schools is to shift to quality education, cultivate a large number of qualified freshmen for universities, and cultivate a large number of labor reserves for all walks of life in order to meet the needs of the 21st century. For this reason, in recent years, both in the preparation of high school chemistry teaching syllabuses in China, or in the preparation of supporting high