1, the topic of the thesis is to write the thesis according to several alternative topics provided by the school, department or tutor. Generally, 5- 10 is available for selection.

If you choose, it depends on what you are good at. If you are not good at it, you should eliminate the ones you are not good at, and then search online to see which topics are more.

2, defense, basically a student and several teachers, introduce why you chose this topic, what preparations have been made according to this topic, what achievements have been made, and what references have been made. Of course, the teacher will also ask you.

It depends on the school. Generally, a school (ordinary junior college) only draws a few people from a class and goes through the formalities.