新课程倡导自主合作探究的学习方式,倡导动态生成的课堂。这就要求教师在课堂上要洞察秋毫,看准时机,把握火候,瞄准方向,针对学生学习过程中遇到的问题相时而教,适时点拨。蔡澄清先生在他创导的点拨教学论中说:“一个高明的教师,只要三言两语就能激起学生强烈的求知欲望;只要做一个巧妙的暗示,就能使学生在一片黑暗中悟出光明,豁然开朗;只 The new curriculum advocates the learning style of independent cooperation and inquiry, advocating the dynamically generated classroom. This requires that teachers in the classroom to insight into the fall, look at the timing, grasp the heat, aiming at the problem, in view of the problems encountered in the process of learning students to teach, timely call. In his point teaching doctrine, Cai Chengqing said: ”A brilliant teacher who can arouse the students’ strong desire to seek knowledge in only a few words can make students realize in a darkness Bright, suddenly; only