1. I am an undergraduate. When filling out the form, I have to fill in "undergraduate" or "undergraduate".

2. I am a graduate student, and I should fill in "Master" or "Master" when filling out the form.

I am a doctoral student. Please fill in "doctor" or "doctoral student" when filling out the form. Please be sure to fill in the form accurately and according to the actual situation, so as not to cause unnecessary trouble.