In addition, the classroom is not fixed. The classroom is arranged according to the teacher. After this course, you may have to take another course in another classroom.
3. classmates. The students in class together are all different. Some subjects, such as rough outline and ideological and political course, are major courses in the whole department.
4. Please sit down. Because students are mobile in class, there are no fixed seats. They all entered the classroom and chose their seats.