新课标要求教师由传统的传授者转化为提高学生素质的促进者和引导者,新课标中的“问题导学法”是一种行之有效的教学方法。所谓“问题导学法”是一种以“问题”为中心的开放式的教学法。它是在学生已有知识、经验的基础上,通过情境的创 The new curriculum standard requires that teachers should be transformed from traditional preachers into facilitators and guides to improve the quality of students. The New Approach to Problem-based Learning is an effective teaching method. The so-called “problem-based learning method ” is a kind of “problem ” as the center of the open pedagogy. It is based on the students already have knowledge, experience, through the creation of context