导言可以集中学生的注意力,激发学生的兴趣。就如何设计初中生物课导言谈些体会。一、以趣为始,满足求趣心用趣例创设情景,从而使他们尽快地进入到教师创设的情景之中,积极地,愉快地参与教学活动。如设计初一生物课《形形色色的生物》这一节的导言时,首先用彩色粉笔在黑板正中工工整整书写上“生物——美丽的世界”几个字,接着讲述生物界的千姿百态,例如,榕树达一百多米,印 The introduction can concentrate students 'attention and stimulate students' interest. On how to design junior high school biology class talk about some experience. First, to begin with fun, to satisfy the interest of interest to create scenarios, so that they quickly entered the teachers to create the scene, actively and happily participate in teaching activities. For example, in the introduction to the introduction of the first verse of “Biology of all kinds” in the first biology class, we first colored the words “bio-beautiful world” with colored chalk in the middle of the blackboard, and then told us about the twists and turns of the biological world For example, Banyan tree more than 100 meters, India