The emphases is the thoughtway of programming and the nodus is how to induct pupils to break though the conventional thoughtway and to train them with new thoughts.

• 其重点是培养学生掌握程序设计的思想和方法,难点是作为程序设计的入门课程,应当如何引导学生突破传统的思维方式,培养程序设计的新思想。