“同课异构”是同学科选取一个课题,由两个或两个以上的教师独立备课,根据设计的教学方案分别在两个平行班上课,听课后进行比较性研究。“同课异构”活动旨在追求教师专业上的共同发展。 “Lesson heterogeneous ” is the same subject selected a subject, by two or more independent teachers preparing lessons, according to the design of teaching programs in two parallel classes, after the lectures comparative study. “Heterogeneous class” activities aimed at the common development of teachers in the professional.