“一”是中学古文中常见的词。正因为它常见,教学中就往往被人忽视,以至课本中的误释之处时有所见,而又无人指正。其实,“一”的词性、词义及其运用很有值得研究之处,下面试作分析。(一)“一”作数词。有时后面跟着量词,绝大多数是物量词。这种情况多出现在先秦以后的古文中,先秦时期极为罕见。 “One ” is a common euphemism in middle school. Precisely because of its commonness, teaching is often overlooked and sometimes misunderstood in textbooks. In fact, “a ” part of speech, meaning and its use is worth studying, the following trial analysis. (A) “a ” for the nouns. Sometimes followed by quantifiers, the vast majority of property words. This kind of circumstance appeared in the ancient essays after the pre-Qin period, which was extremely rare in the pre-Qin period.