(1) China is a socialist country under the people's democratic dictatorship. The essence is that the people are the masters of the country. Soliciting citizens' opinions on the fitness plan ensures citizens' political freedom and embodies the universality and authenticity of socialist democracy. (2 points)

② The discussion of fitness plan is helpful to fully reflect public opinion, concentrate people's wisdom and promote scientific and democratic decision-making. (2 points)

(3) The discussion of fitness plan is conducive to promoting citizens' understanding of decision-making and promoting its implementation. It is conducive to improving citizens' enthusiasm and confidence in participating in public affairs and enhancing citizens' sense of social responsibility. (2 points)

(2)① As a volunteer of the Provincial Games, we must adhere to the unity of rights and obligations and correctly handle the relationship between citizens' rights and obligations. (2 points)

When serving tourists, volunteers should exercise their civil rights in accordance with the law and fulfill their obligations to abide by the Constitution and laws and safeguard national security, honor and interests. (2 points)

When serving tourists, volunteers should combine national interests with personal interests, safeguard the national image and assume social responsibilities. (2 points)

Analysis of test questions: (1) Jiaozuo City, Henan Province organized all walks of life to discuss the fitness plan, widely listened to the opinions and suggestions of the people, guaranteed the political rights and freedoms of citizens, and reflected the authenticity and universality of people's democracy; Citizen's participation in discussion is the embodiment of citizen's participation in democratic decision-making, which can be answered concretely in the sense of citizen's participation in democratic decision-making.

(2) The principle of this question is clear, what rights and obligations do citizens have, and what principles should be adhered to as volunteers in serving tourists inside and outside the province? These are all questions that students need to consider when organizing answers. The specific answer is to adhere to the principle of unity of rights and obligations, the principle of combining personal interests with national interests, and the political obligations that citizens must fulfill.