Analysis of test questions: ② ③ The options are correct and in line with the meaning of the questions. The reason why ancient villages should be protected is because the ancient villages with their own characteristics show cultural diversity. As a cultural heritage, ancient villages are of great significance for studying the evolution of human civilization, so they were selected. The viewpoint of ① ④ option is wrong. The rural residential style carried by ancient villages has not become the choice of most people. Protecting ancient villages is helpful to inherit the excellent traditional culture of China, not the traditional culture of China, so it is excluded.