“策略”作为解决问题的计策、谋略,需要学生在解决问题的过程中不断体验、反思自主生长而成。这种生长根植于学生已有知识经验,需要教师的引导与概括的参与,因为经验只有通过概括才能提升,“涓涓细流”才能汇聚成方法,形成为策略,但在策略的概括上要遵循其“生 ”Strategy “ as a solution to the problem of policy, strategy, students need to constantly solve the problem in the process of experience, self-reflection from the growth. This growth is rooted in the students already have knowledge of experience, the need for teachers to guide and general participation, because experience can only be improved through the summary, ”trickle “ to converge into a method to form a strategy, but in strategy summary To follow its ”Health