Banners and slogans embodying Wu and Yue culture

Test analysis: Wuyue culture and Yunnan-Guizhou culture have their own characteristics, which reflect the profoundness and regionality of Chinese culture. The reason why different regions have different cultures is ① ③ ④, ② not, because the cultures of different regions are gradually merging and maintaining their own characteristics. If you only gradually merge, you will lose your own characteristics. The correct answer is C.

Comments: This question examines candidates' memory ability and ability to analyze materials. The question asks why different national cultures have their own characteristics, but ② says that they are gradually merging. Obviously (2) is not the reason to ask questions. This causal problem must be carefully considered and considered repeatedly. Bring the options into the problem and see if they can form a causal relationship.