关注现实、贴近生活是近年来各地中考命题取材的普遍特点,一些就在我们身边的事和物悄悄地走进了中考数学的试卷,笔者有心从2005年各地中考试卷中撷取了几例以钟面为题材的数学问题,现整理如下,并加以评析,供大家参考。一、钟面上的对称变换例1 (2005年安徽省中考题)小 Focusing on reality and getting close to life is a common feature of recent years’ examinations on the topic of examinations. Some things and things that are on our side have quietly entered the examination paper for mathematics in middle school. The author was eager to learn a few cases from the 2005 mid-term examination papers. The mathematics problems with the theme of clock face are summarized as follows and reviewed for your reference. First, the symmetry transformation on the clock surface 1 (2005 Anhui provincial examination questions)