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开放性问题有利于充分发挥学生的自主性和创造性,提高学生探究的热情和探究能力,是当前课程改革和中考所关注的热点.开放性试题的特点:(1)内容的新颖性;(2)形式的生动性;(3)解法的发散性.开放性化学试题大致可分为五类:(1)条件开放型;(2)结论开放型;(3)策略开放型;(4)综合开放型5设计实验型.解决开放性问题的方法不是唯一的,虽然思维的起点相同,但思维的走向和思维的结果都可能不同.开放性问题所引
Open question is conducive to giving full play to students ’autonomy and creativity, and improving students’ enthusiasm and ability to explore are the hot spots in current curriculum reform and middle school entrance exams.The characteristics of open questions are: (1) the novelty of the content; (2) (3) Divergence of Solution. Open chemistry questions can be divided into five categories: (1) open-ended conditions; (2) open-ended conclusions; (3) open strategy; (4) comprehensive Open-type design of experimental 5. Solve the problem of open-ended approach is not the only, although the starting point of thinking the same, but the trend of thinking and thinking of the results may be different.