According to the teaching plan, prepare for lectures and classes (lectures in some places, lectures in some places, most lectures), usually within 15 minutes, and sometimes the lectures are over.
Opening class: talk about objectives-key points-difficulties-teaching methods-key points, breakthroughs in difficulties, etc. You can learn how to give lectures online.
Note: Be fully prepared. The more you play on the spot, the less nervous you will be. Take a deep breath before admission, don't be nervous, say what you have prepared in advance, and consider the students below. The more natural, the better. I didn't take the interview teacher seriously during the interview. When I finished the interview, I began to speak. Five minutes later, she agreed before I finished. I also asked two questions. What exactly is the problem? It slipped my mind.