1) You'd better find out the textbook. At the very least, you have to know what it is.
2) Grab a few articles, do lesson plan exercises, and sort out your own ideas.
3) Summarize several lecture ideas by classification.
The interview lasts at most 10 minutes, plus writing on the blackboard and asking questions, so you can talk less. The national examination teacher certificate has always been subjective, and the most important thing is to examine the teacher's teaching posture and attitude model, whether he looks like a teacher, whether he is competent for the teacher's work and whether he is suitable to be a teacher. We can think about countermeasures from this aspect.