“开放”是相对于“封闭”,“探索”是相对于“套路”.学生长期接受“封闭”式的教学,“套路”式的训练,只能使其解题呆板,思维僵化,不利于学生的发展.近几年来,开放探索性试题的出现,是件非常好的事情,主要表现有如下几种形式:(1)条件的开放与探索;(2)结论的开放与探索;(3)解题方法的开放与探索.下面以2002年中考试题为例来说明. 例1 (上海市)已知AD是△ABC的角平 “Opening” is relative to “closed”, and “exploration” is relative to “routines.” Students have long accepted “closed” teaching. “Training” type training can only make it difficult to solve problems and rigid thinking. The development of students. In recent years, the emergence of open exploratory test questions is a very good thing, mainly in the following forms: (1) opening and exploration of conditions; (2) opening and exploration of conclusions; (3) ) Opening and exploration of problem-solving methods. The following uses the 2002 exam questions as an example to illustrate. Example 1 (Shanghai) Known AD is the angle of ABC