《2005 年高考考试大纲》要求“了解有机化合物数目众多和异构现象普遍存在的本质原因。理解基团、官能团、同分异构体、同系列等概念。能够识别结构式 (结构简式) 中各原子的连接次序和方式、基团和官能团。能够辨认同系物和列举异构体”。同分异构体的知识贯穿于中学有机化学 The Outline of the 2005 College Entrance Exam requires an understanding of the number of organic compounds and the ubiquitous nature of isomerism. Understanding concepts such as groups, functional groups, isomers, and homologues. Can identify structural formulas The order and manner of bonding, the groups, and the functional groups for each atom. It is possible to identify the tether and enumerate isomers." The knowledge of isomers runs through middle school organic chemistry