在近几年的教学活动中 ,我们采用了“面向问题策略” ,“先学后讲” ,“重在方法” ,“实在行动”的教学模式 ,对培养学生的创造精神和实践能力作了一些有益的尝试 ,并称为“组式问题学导法” .1　三纬度课型定位对课型的准确定位 ,将直接影响教学目标的确定、教法的选用和学法 In the teaching activities in recent years, we have adopted the teaching mode of “problem-oriented strategy,” “learning after school,” “emphasis on method,” and “actual action,” and it has been used to cultivate students’ creative spirit and practical ability. A number of useful attempts are called “Guiding Methods for Studying Formal Problems” .1 Accurate positioning of the course types at the three latitudes will directly affect the determination of teaching objectives, the selection and teaching methods of teaching methods.