Joke Collection Website - Bulletin headlines - Should nouns be added after the article?

Should nouns be added after the article?

Is \x0d\ like cats, cats; An apple, an apple; This/that painting; \x0d\ However, some fixed collocations will be special \x0d\ such as many; One point is one point; \x0d\ In fact, these words can also be understood as ranking, but it is more convenient to remember them as fixed collocation. \x0d\ In addition, the+adjective indicates a kind of person, which is also a special use of the article \x0d\ such as deaf-mute; rich person