Question 1:C

Question 2:B

Question 1: Test analysis: China and South Korea belong to different countries, and their fundamental interests cannot be consistent. A is wrong; Strengthening cooperation between the two countries in the fields of environment and climate change shows that the two countries have * * * common interests on these issues, and * * * common interests are the basis of their cooperation, C is correct; Safeguarding one's own national interests is the starting point and the end result of a sovereign country's foreign activities, and B itself is wrong; Multi-polarization of the world is a trend, but it has not really formed, and D itself is wrong.

Question 2: Analysis of test questions: Chinese has stimulated the relationship between China and South Korea, reflecting the role of culture in political exchanges and activities, indicating that culture and politics blend with each other, and culture has a reaction to politics, B is correct; A cultural convergence, wrong expression, contrary to cultural diversity; The ways of cultural exchange and communication are commercial trade, population migration, education, etc., C is wrongly expressed; D itself is correct, but it doesn't match the meaning of the question.