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近年的生物高考试题中,实验设计题已成为一种重要题型。它能够多角度考查学生的实验能力、思维能力和创新能力等各方面的能力,能较好地体现当前新课程改革特别是考试改革的要求,因此是一类很好的题型。如何引导学生分析解答此类实验题呢?笔者根据多年的教学实践,总结出解答实验设计题的“三步走”策略,即审题、解题和设计。它以简单明了的特点在教学中取得了实效,因而值得推广。
In recent years, the biological college entrance examination exam questions, experimental design has become an important question. It is capable of examining a student’s abilities in various aspects such as experiment ability, thinking ability and innovation ability from a multi-angle, which can better reflect the current requirements of the new curriculum reform, especially examination reform. Therefore, it is a good type of questions. How to guide students to analyze and answer such experimental questions? The author based on years of teaching practice, summed up to answer the experimental design questions “three steps ” strategy, that is, questions, problem solving and design. It has been effective in teaching with its simple and clear features and is therefore worth promoting.