Social stereotype: refers to the fixed views people hold on people in different social groups, which are generally general and general, and are not all well-founded. Which of the following are social stereotypes. ["Xiao Li is from Hunan. Even though she doesn't eat spicy food, when they get to dinner, colleagues think she can eat spicy food.", 'After suffering many setbacks, Xiao Wang has insufficient self-confidence, is very dissatisfied with his environment, and even has an aversion.', "Xiao Zhao, who had lived in Nanjing since he was a child, was very uncomfortable with Beijing's climate when he first arrived in Beijing.", "The development of the Internet has changed the way people communicate, and paper letters gradually fade out of people's vision."]