纵观近年来的高考全国卷函数压轴题,大多都是在朴实的外表下隐藏着深邃思想和灵活技巧的难题.对于绝大多数能做到此题的优秀考生来说,往往可以顺利入手,也知道继续走下去的方向,但正当大家满怀信心地想继续深入下去时,却发现总有一个或多个“障碍”拦在前进的路上而无法突破,又欲罢不能.为了让学生能在有限的时间内能深入下去,并突破这些障碍,就要求我们在平时的备考过程中,注意观察“障碍”的结构特征,并有针对性的进行训练,才能提高突 Throughout the college entrance examination in recent years, the national volume function finale questions, most of them are hidden in the simple appearance of deep thinking and flexible skills of the problem.For the vast majority of outstanding candidates can do this question, you can often start smoothly, But we also know that we will continue to go on. However, just as we all want to continue our efforts with confidence, we find that there is always one or more obstacles that can not be overcome and can not be stopped. A limited period of time to go deep and break through these obstacles require us to pay attention during the normal preparation process, “obstacle ” structural characteristics, and targeted training in order to improve the process of