1.巧设导语,发掘兴趣。一是以俗语或农谚导入。根据学生的心理特点,在导人新课时,利用俗语或农谚,创设问题情境,造成认知矛盾冲突,激发学生求知的欲望。二是以问题导入。提出问题,引起学生思考,抓住学生注意力,引导学生分析问题,获取新知识,以达到解决问题的目的。如讲“鸟纲”时,向学生提出“鸟为什么会飞?”“假如给我们人类一双翅膀,我们能象鸟儿一样飞翔吗?”引发学生求知的欲望,教师因势利导,讲述 1. clever guide, explore the interest. First, as a proverb or farming proverbs into. According to the psychological characteristics of students, in the introduction of new classes, the use of proverbs or farming proverbs, creating a problem situation, resulting in cognitive conflicts and conflicts, to stimulate students desire for knowledge. The second is to import problems. Raise questions, arouse students ’thinking, grasp students’ attention, guide students to analyze problems and acquire new knowledge so as to achieve the purpose of solving problems. Such as speaking “bird class ”, to the students “why the birds fly? ” “If we give a pair of human wings, we can fly like a bird?” "To lead students desire for knowledge, teachers make the best use of , Tell