More than 2000 words. According to the examination requirements of Tianjin Education Commission's title inquiry, the submitted papers should be related to the education and teaching content I am engaged in, among which: to apply for the post of senior middle school teacher, there must be/kloc-0 articles related to the teaching content of the subject I declare, and the number of words in the submitted papers is more than 2,000 words, which is academic, innovative and practical.