反馈其实就是将信息输送出去,随后又将其作用结果返送回来,影响信息的再输出,发挥出控制性的作用,实现预期目标。在教学活动开展的过程中,信息反馈贯穿于整个教学。教师可以从学生外在表现、板练、提问、形成性检测中以及课后与学生意见交换中获取反馈性信息,从而了解学生的学习情况,调整教学,提高教学效率。 In fact, the feedback is to send out the information, and then return the results of its role back, affecting the re-output of information, play a controlling role to achieve the desired goal. In the process of teaching activities, information feedback throughout the entire teaching. Teachers can get the feedback information from the students’ external manifestation, board practice, questioning, formative test and post-class exchange of students’ opinions so as to understand the students’ learning situation, adjust the teaching and improve the teaching efficiency.