说课“五性”说课是执教者就某一课题口述自己的教学设想及理论依据，再由听者评议的一种教学活动。它对于提高教学质量和教师素质都有重要的作用。教师说课应注意以下“五性”。１．科学性说课的内容应以教育理论为基础，符合教育教学规律，体现素质教育的要求，能充分发... The “five-sex” class is a kind of teaching activity in which the instructor dictates his own teaching assumptions and theoretical basis for a topic and is then evaluated by the listener. It plays an important role in improving the quality of teaching and the quality of teachers. Teachers should pay attention to the following “five characters” in class. 1. The content of scientific lectures should be based on educational theory, conform to the laws of education and teaching, reflect the requirements of quality education, and be fully developed...