实践性、探究性和开放性是新课程背景下的中学政治教学的基本特征,这就要求教师具有深厚的学科底蕴和宽广的视野,一方面要把教材钻深钻透,另一方面要把握领会新课程的理念,认真研究课堂教学,努力突出学生的主体地位,注重课堂教学资源的高效生成,从而构建灵动有序、创新和谐的课堂。一、在预设中注意学习认知的生成“凡事预则立,不预则废。”充分的教学预设,是学习认知生成的基础,也是实现良好教学效果的前提。首先,在学生课前预习时,教者要依据课程标准的要求,根据学生的认知发展特点,从三维目标入手,精心预设几个问题。这些问题要能促使学生搜集各种资料,丰富相 Practicality, inquiry and openness are the basic features of political teaching in secondary schools under the background of new curriculum. This requires that teachers have a profound academic background and a broad field of vision. On the one hand, it is necessary to drill through the teaching materials on the other hand, and on the other hand, Understand the concept of the new curriculum, carefully study the classroom teaching, and strive to highlight the dominant position of students, pay attention to the efficient generation of classroom teaching resources, so as to build a smart and orderly, innovative and harmonious classroom. First, pay attention to the formation of learning cognition in the precondition “All things stand in advance, without prejudice.” Adequate teaching preconditions are the basis for learning cognitive generation and also the prerequisite for achieving good teaching results. First of all, when preparing a lesson for the students, the teacher should carefully preset a few questions according to the requirements of the curriculum standards and according to the characteristics of the students’ cognitive development, starting from the three-dimensional goals. These problems should enable students to collect all kinds of information and enrich the faculty