单元复习是高三总复习的基础。因此,对单元复习要精心准备,在单元复习课程设计上要符合新课程理念,即“有利于学生学习方式的转变,倡导学生主动学习,在多样化、开放式的学习环境中,充分发挥学生的主体性、积极性和参与性。培养探究历史问题的能力和实事求是的科学态度,提高创新意识和实践能力”。搞好单元复习,首先要弄清单元复习的任务,即 Unit review is the basis for the third year’s total review. Therefore, the unit review must be carefully prepared, and the unit review curriculum should be designed in accordance with the concept of the new curriculum, that is, “helping students to change the learning style, advocating students to actively study, and giving full play to students in a diverse and open learning environment. The subjectivity, enthusiasm, and participation. Cultivate the ability to explore historical problems and the scientific attitude of seeking truth from facts, improve the sense of innovation and practical ability." To do a good review of the unit, we must first clarify the tasks of the unit review.