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为揭示学生在学习生物学知识上记忆与遗忘的规律,我们对初二动物学教学进行了研究。具体做法如下: 一、研究方法 （一）教学 1.内容 文昌鱼。并根据教材内容,具体列出10个知识点及认知要求。 2.方法 启发式教学,并借助模型和挂图进行教学。 3.目标 对所学各知识点要求能基本掌握。 （二）试测 1.试题 根据知识点编制试题,分选择、填充和问答三种题型,共16个题（取上两届学生所用试题,难度系数0.69）。 2.对象 初二年级四个班213名学生。每次测试30人,随机抽样。 3.方式 口答或笔试。测试前明确告诉学生成绩不记入档案,也不必去复习,以此克服
In order to reveal the laws of memory and forgetting of students in learning biological knowledge, we conducted research on the teaching of zoology in the second year. The specific practices are as follows: 1. Research Methods (I) Teaching 1. Contents Amphioxus. According to the content of the teaching materials, it lists 10 knowledge points and cognitive requirements. 2. Methods Heuristic teaching and teaching with models and flipcharts. 3. Goals Basic knowledge of what you need to learn. (B) test 1. Test questions According to the knowledge of the preparation of test questions, select, fill and question and answer the three types of questions, a total of 16 questions (taken on the questions used by the two students, the difficulty coefficient of 0.69). 2. Subjects 213 students in four classes in the first and second grades. Every time 30 people were tested, random sampling. 3. Ways to answer or write a written test. Precisely telling students that their grades are not recorded in the file before testing, and that they do not need to review it to overcome