一、选用的实例要有针对性,要根据具体的情况选择实例首先,要针对教材选择实例。教材中所学的知识点很多,但是要求达到的程度则有所不同,有的只需识记和理解,有的则要求达到运用。同时,这些知识点的难易程度 First, the selected examples should be targeted. Select examples based on specific conditions. First, select examples for the textbook. There are many points of knowledge learned in the teaching materials, but the degree of requirements is different. Some only need to remember and understand, while others require it to be used. At the same time, the difficulty of these knowledge points