《义务教育生物学课程标准(2011年版)》指出“围绕生物学重要概念来组织并开展教学活动,能有效地提高教学效益,有助于学生对知识的深入理解和迁移应用。”将这一要求落到实处,要求教师在设计和组织教学活动时,应注意围绕重要概念展开,精选恰当的教学内容和呈现方式,以帮助学生对重要概念的建立、理解和应用。一、确定教学目标是进行教学设计的基础性工作1.依据课程标准。确定教学目标的指导文件是《义务教育生 “Compulsory Education Biology Curriculum Standard (2011 Edition)” points out that “organizing and carrying out teaching activities around the important concepts of biology can effectively improve teaching effectiveness and help students to understand and migrate knowledge deeply.” This requirement is fulfilled. Teachers are required to focus on the important concepts in the design and organization of teaching activities and select suitable teaching contents and presentation methods to help students to establish, understand and apply important concepts. First, to determine the teaching goal is to carry out the basic work of teaching design 1. According to the curriculum standards. The guideline to determine the teaching objectives is "compulsory education students