Material 1: Singapore is a country where English is commonly spoken. Most of the slogans in public places in this country are written in English. But some of these civilizations

Whether one is civilized or polite is not just a personal matter, nor is it an insignificant matter. It shows whether a person has moral cultivation, affects the quality of interpersonal relationships and the quality of social atmosphere, and is related to the country and the country. national dignity. If politeness is only regarded as a personal matter or a trivial matter without paying attention to it, it will affect our interpersonal communication, our personal image, and our future development.