初中学生的年龄一般在12～15岁之间,这个阶段正是一个人的身心逐渐向成熟期过渡的时期,他们在学习中常表现出以下的心理特点:1.强烈的好奇心,2.多元的模仿性,3.好强的自尊心,4.较大的可塑性,5.薄弱的克制力。因此,教师要巧用各种机会运用多种手段激发学生的求知欲望和内在的学习动力,激发和维持学生的学习兴趣。研究表明,兴趣是学生学习活动的 Junior high school students generally between the ages of 12 to 15 years, this stage is a period of physical and mental transition to a mature period, they often demonstrate the following psychological characteristics in learning: 1. Strong curiosity, 2. Multiple Imitation, 3. Strong self-esteem, 4. Greater plasticity, 5. Weak restraint. Therefore, teachers should skillfully use a variety of opportunities to stimulate students 'desire for knowledge and inner motivation by a variety of means to stimulate and maintain students' interest in learning. Research shows that students are interested in learning activities