新课程的高考增加了导数的内容 ,随着课改的不断深入 ,导数知识考查的要求逐渐加强 ,导数已经由前两年只是在解决问题中的辅助地位上升为分析和解决问题时的必不可少的工具 .据笔者了解 ,目前导数 (选修 )的教学存在着“掐头去尾烧中段”的现象 ,把主要精力放在了如何求导及简 The new curriculum has increased the content of the derivative in the college entrance examination. With the continuous deepening of the curriculum reform, the requirement for derivative knowledge examination has been gradually strengthened. The derivative has been increased from the auxiliary status in solving the problem in the previous two years to the necessity of analyzing and solving problems. Less tools. According to the author’s understanding, the current derivative (elective) teaching has the phenomenon of “steaming in the middle of the tail”, focusing on how to guide and simplify