文学泰斗托尔斯泰说过:“成功的教学所需的不是强制,而是激发学生的兴趣”。可见兴趣在所有学科教学中的重要性。教学的主阵地在课堂,怎样才能把生物课上得生动有趣,以引发学生兴趣,进而激发学生学习生物的极大热情,这是广大生物教师一直在努力探索的课题。一、设悬念以激发兴趣 Tolstoy, the literary champion, said: “What is needed for successful teaching is not compulsory but students’ interest is stimulated.” It shows the importance of interest in the teaching of all subjects. The main position of teaching is in the classroom. How can we make biology classes lively and interesting to stimulate students’ interest and inspire students’ great enthusiasm for learning biology? This is a subject that many biological teachers have been striving to explore. First, set suspense to stimulate interest