1, if you are not a class teacher, you must teach Chinese through Pinyin and Putonghua. It's best to have some medical knowledge, patience, patience or patience, because freshmen have many problems, such as diarrhea, headache, stomachache and falling in class. Teaching mathematics requires patience.
As a class teacher, you should learn how to manage classes, how to design blackboard newspapers and how to deal with safety accidents. As mentioned above, you should have some medical knowledge. You'd better bring some band-AIDS and toilet paper. The first-year students are relatively young, and the cleaning of the classroom is basically done by the class teacher.