一、材料选取与设计要有助于教学目标的实现 ,要符合学生的认知水平和具体的历史情境 ,要能启发学生的思维 ,培养创新能力。一堂课成功与否就是要看其是否达到教学目标 ,教师应明确一堂课内容所体现的教学目标的重点、难点 ,然后根据具体的目标选取适当的材料和手段。同时要考 First, the selection and design of materials should contribute to the realization of teaching objectives. It must be consistent with the students’ cognitive level and specific historical situations. It must be able to inspire students’ thinking and cultivate their ability to innovate. Whether or not a class is successful depends on whether it meets the goals of teaching. Teachers should clarify the focus and difficulty of teaching objectives reflected in the content of a lesson, and then select appropriate materials and means according to specific goals. At the same time to test