冬天到了，小明发现大多数人都穿着深颜色衣服．请你根据这一现象提出一个探究问题．

    Mary likes to invent things. She creates a new language and teaches it to her friend, Jean. Mary and Jean like to talk to each other in their own language because they think no one understands them and it is funny. When they go shopping, they say things like: "Look! He is fat.” “This CD is awful." "I want to eat free hamburgers.”A clerk comes but he can't understand what they say. He asked them: “May I help you?”Mary and Jean just laugh. What fun it is to create something new.

旅游地理，根据材料，回答问题。

成渝经济区随着交通条件的进一步改善，成都旅游业不断提升。下图是成都及附近旅游景点分布图。

下列属于具有积极意义的从众心理的是（    ）