Real names are mainly used for exchange, and it is best not to use real names for exchange.

Questionnaire, also known as questionnaire or inquiry form, is a printed document that systematically records the contents of the investigation in the form of questions. Questionnaires can be forms, cards or bookkeeping.

Designing a questionnaire is the key to inquiry and investigation. A perfect questionnaire must have two functions, that is, it can convey the questions to the interviewee and make the interviewee happy to answer them.