如今,一些公开课、示范课充满了天马行空的味道,执教者偏爱撇开教材,自成一体,仿佛不如此,便显不出“公开示范”的价值与“高大上”的味道。殊不知,一线教师并不领其情,反而觉着有高不可攀之感。对于长期坚守在讲台旁边、每天都要研读教材的一线教师来讲,他们更希望听到的是那些“可以学得来”的示范课与公开课。因此,基于教材文本而教,深入解读习题内涵,显得如此重要。就像人们进餐,每 Nowadays, some open classes and demonstrative lessons are full of abstract ideas. As a result, coaches prefer to leave their textbooks alone and, if not, they will not show the value of “public demonstration” and the taste of “tall”. As everyone knows, front-line teachers do not receive their affection, but felt a sense of unattainable. For long-term adherence to the podium, daily teaching materials teachers in terms of speaking, they would like to hear is that “can learn to” demonstration class and open class. Therefore, based on textbooks and teaching, in-depth interpretation of exercises, it seems so important. Like people eating, each