“三段六环节”生物教学模式的基本程序是:1课前准备这一环节包括4个方面:(1)知识准备。即课前布置学生预习新课,复习与新课有关的旧知识。具体做到“三看”,即看新课主要学习哪些内容,哪些能自己看,哪些不易理解;看新课与旧课的知识有何联系,及时予以补偿;看新课需要哪些实验? The basic procedure of the “three-part, six-link” biology teaching model is: 1 Preparation before class This section consists of four aspects: (1) Knowledge preparation. That is, students are expected to prepare for the new lesson before class and review the old knowledge related to the new lesson. Specific “three look”, that is, to see what the new class mainly to learn what, which can see for themselves, which is not easy to understand; see the new class and the old class of knowledge of any contact, timely compensation; see the new class which experiments?