在思想政治课教学中，要帮助学生准确地掌握和理解基不概念，教师在讲解时须做到“四注意”：一要注意讲清概念的内涵．把握概念所反映的对象的特征和本质。如在讲解“民族”这一概念时，教师就要引导生生从两个层次上把握它的内涵：（1）民族是不走上自然形成的稳定的共同体； In the teaching of ideological and political classes, it is necessary to help students accurately grasp and understand the concept of fundamentals. Teachers must provide “four attentions” when explaining: First, we must pay attention to clarifying the concept. Grasp the characteristics and nature of the objects that the concept reflects. For example, when explaining the concept of “nation”, teachers should guide students and students to grasp its connotation from two levels: (1) The nation does not embark on a stable community formed by nature;