所以提高备课哒有效性和学生预习哒有效性策略是的偶们所要研究哒。
Therefore, preparing lessons to improve the effectiveness and the effectiveness of strategies students preview what we have to study.
教学实验过程中设计了在学生预习、复习、解题环节中应用概念图的教学策略，并对实验前后学生的学习行为和结果进行问卷调查，了解学生对概念图及其应用的认识与态度。
During the experiment, we design teaching methods with Concept map in previewing, reviewing, and working out problem, making survey among the students on Concept map before and after the experiment.
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