以往教师备课,多是根据教材、教参和学生的认知情况进行设计、编写,连提问学生的答案都备好了。授课就是教案原版的外显,若有一些偏离,教师便想方设法把授课内容、过程引向教案预设好的轨道。这种教学呆板、沉闷、缺少活力,忽略了学生在学习中的主体地位,窒息了师生思维和个性的发展,抹杀了师生的教、学活力,不利于学生兴趣的培养,更不利于教学效益的提高。新课程标准下的备课要求 In the past teachers prepare lessons, mostly based on teaching materials, teaching parameters and students’ cognitive situation to design, prepare, and even ask questions of students are ready. Teaching is the explicit version of the original teaching plan, if some deviations, teachers find ways to teach the content, the process leading to the lesson plans a good track. This teaching dull, boring, lack of vitality, ignoring the student’s dominant position in learning, stifling the development of teachers and students thinking and personality, denying teachers and students the teaching and learning vitality is not conducive to the development of student interests, but not conducive to Improve teaching effectiveness. The new curriculum standard preparation requirements