传统的生物教学手段少,模式单一,教师教得烦,学生学得无趣,教学效果差。教学中如果充分运用多媒体手段那效果就大不一样,多媒体具有图、文、声并茂的特点,符合学生的心理特征和认知规律,能创设教学情境,能将抽象的知识形象化,化难为易,能增大课堂教学的容量;能激励学生全员参与。 Less traditional biological teaching methods, a single model, teachers teach annoying, students learn boring, poor teaching. If you make full use of multimedia teaching in teaching that effect is very different, multimedia has the characteristics of graph, text and sound, in line with the students’ psychological characteristics and cognitive rules, to create teaching situations, abstraction of knowledge can be visualized, difficult to Easy, can increase the capacity of classroom teaching; to encourage students to participate in all.