编者接接到刘宗武老师来信深感焦虑。刘老师还非常负责地抄写了北京市成人中专语文课本（下册，某大学出版社1996年7月版）不足60页中出现的25处错误。新闻出版署规定，课本差错率不能高于万分之一，而这本教科书的错误率已远远超出国家规定。希望出版单位本着对工作负责的精神 Editor’s note received a letter from teacher Liu Zongwu deep anxiety. Liu also responsible for the copy of the textbook for adult secondary schools in Beijing (second edition, a University Press July 1996 version) less than 60 pages appear in 25 errors. Press and Publication Administration stipulates that the textbook error rate can not be higher than one ten thousandth, and this textbook error rate has gone far beyond the state regulations. Hope that the publishing unit in the spirit of responsible work