1.使抽象的生物知识变得形象化、具体化生物教学中有很多生理过程是一个繁杂而有趣的动态变化过程,以往的教学往往只能用挂图、模型、标本等静止的“死物”去呈现,然后凭借老师深厚的语言功底,把这些生理过程分成几个阶段,逐个讲述给学生。如必修2中基因的复制、转录和翻译过程,这些生理过程比较微观抽象,往往学完学生还似懂非懂,经常是知其 1. To abstract the biological knowledge become visualized, specific biological teaching there are many physiological processes is a complicated and interesting dynamic process of change, the past teaching often can only use flip charts, models, specimens and other static "To show, and then by virtue of the teacher’s profound language skills, these physiological processes are divided into several stages, one by one to the students. Such as compulsory 2 gene duplication, transcription and translation process, these physiological processes are more microscopic abstraction, often after the students also understand or understand, it is often known