笔者认为,教师应讲究课堂教学的艺术,当然教学方法应灵活多样,要特别注意新奇精巧的教学语言,这有利于学生不断感受新的刺激,集中精力产生学习生物学的兴趣。 The author believes that teachers should pay attention to the art of classroom teaching, of course, teaching methods should be flexible and diverse, pay special attention to novel and sophisticated teaching language, which is conducive to students continue to feel the new stimulus, concentrate on learning interest in biology.