线上教学形式包括以下三种：一是实时直播授课，其效果类似面对面授课，教师

There are three types of online teaching methods: one is real-time live teaching. The effect is similar to face-to-face teaching. Teacher-led teaching activities. This form requires high equipment and technology. Teachers can choose voluntarily and do not need to force uniformity. Second, students learn independently. The form is similar to classroom self-study, and students lead the overall process. This form requires teachers to have curriculum resources as protection, and students can use tools such as notes, online disks, and social media to complete their studies. The third is "course live broadcast + independent learning". The form is a mixed flip of the first two. Teachers and students are each other's dominant and main body, and teaching activities are switched between the two teaching environments according to the needs of the classroom.

Online teaching forms include the following three: First, live teaching, the effect is similar to face-to-face teaching, teacher-led teaching activities, this form of equipment and technical requirements are higher, teachers can choose voluntarily, do not have to force unity. Second, students learn independently, its form is similar to classroom self-study, students lead the overall process, this form requires teachers to have curriculum resources to ensure that students can use notes, online disk, social media and other tools to complete their studies. Third, "course live and self-learning", the form of the first two hybrid flip, teachers and students are dominated and the main body, teaching activities in accordance with classroom needs in the two teaching environments to switch.

Online teaching includes the following three forms: first, real-time live teaching, its effect is similar to face-to-face teaching, and teachers lead teaching activities. This form has higher requirements for equipment and technology, and teachers can choose voluntarily, without forcing unity. The second is students' autonomous learning, which is similar to classroom self-study, and students lead the whole process. This form requires teachers to have curriculum resources as a guarantee, and students can use notes, online disks, social media and other tools to complete their studies. The third is "course live + autonomous learning", which is a mixed flipped form of the first two. Teachers and students are the leading and main body of each other, and teaching activities are switched between the two teaching environments according to the needs of the classroom.<br>