复习教学应以问题情境为主导,设置情境问题,着力引导学生用学科知识解决实际问题。1.问题情境应具有典型性。即情境与学科知识之间必须有内在关联,避免情境与知识貌合神离;也是指问题情境应具有实际应用价值。2.问题情境应具有一定的延展性。当问题情境以专题的面貌出现时,同时应具有向前或向后 Reviewing the teaching should be based on the problem situation as the dominant, set the situation, strive to guide students to use the subject knowledge to solve practical problems. 1. Problem situations should be typical. That is, there must be an internal connection between situation and subject knowledge to avoid the situation and knowledge being in disorder; also, the problem situation should have practical application value. 2 problem situation should have some scalability. When a problem situation emerges as a thematic, it should also be forward or backward