教师不再是课堂教学中的“主宰者”，而是和学生一起对知识进行建构的“协助

Teachers are no longer "masters" in classroom teaching, but "assists" in constructing knowledge with students. In this process, the construction of teaching presence is particularly important. In online teaching, it is necessary to promote teachers and students to build a sense of teaching presence from the aspects of cognitive psychology, social communication, and sensory perception, so that teachers and students can devote themselves to online teaching to improve teachers' teaching efficiency and students’ Learning effect, and then promote the optimization of online teaching, allowing students to develop more comprehensively

Teachers are no longer the "masters" in classroom teaching, but "facilitators" who construct knowledge with students. In this process, the construction of teaching on-the-spot sense is particularly important. In online teaching, it is necessary to promote teachers and students to construct a sense of teaching from the aspects of cognitive psychology, social communication, sensory perception, so that teachers and students are devoted to online teaching, so as to improve the teaching efficiency of teachers and the learning effect of students, and thus promote the optimization of online teaching, so that students develop more comprehensively.

Teachers are no longer "masters" in classroom teaching, but "helpers" who construct knowledge together with students. In this process, the construction of teaching presence is particularly important. In online teaching, we should promote teachers and students to construct a sense of teaching presence from cognitive psychology, social communication, sense perception and other aspects, so that teachers and students can devote themselves to online teaching, so as to improve the teaching efficiency of teachers and the learning effect of students, so as to promote the optimization of online teaching and make students develop more comprehensively