Students have investigated the use of social words on signboards, advertisements, road signs, slogans, blackboards, promotional windows, etc. in cities or villages. Please list three types of investig

Students have investigated the use of social words on signboards, advertisements, road signs, slogans, blackboards, promotional windows, etc. in cities or villages. Please list three types of investigations.

I think we should conduct a sample survey of surrounding stores, educational institutions, government agencies, and commercial users to understand their social word usage, make a reasonable analysis, and write an analysis report; based on the data in relevant books Make a summary report based on actual surveys; use questionnaires to find a list of social word problems