The US is not qualified to make "carping comments on China" as it has not signed on to the United Nations Convention on the Law of the Sea, the Foreign Ministry said.
Chinese President Xi Jinping advocated the spirit of hard work ahead of the International Workers' Day on May 1, urging people to realize their dreams and change destiny through honest work.
Chinese President Xi Jinping has asked officials to trust intellectuals, welcome their criticism and try not to interfere in their creative work.
China's top legislature on Thursday adopted a decision relating to educating the public on the rule of law over next five years.
Chinese President Xi Jinping has called for more efforts to advance rural reform to ensure a solid agricultural foundation and the well-being of farmers.
China has spent 5.64 trillion yuan (871 billion U.S.dollars) in the reform period since 2009 to improve its healthcare system.
China on Thursday introduced a policy to gradually take people, villages and counties off the country's poverty list, part of the country's efforts to eradicate the entrenched poverty.
Beijing views Washington's "freedom of navigation" operations as both political and military provocations, Defense Ministry spokesman Colonel Wu Qian told a regular news briefing on Thursday.
China adopted its first-ever law on overseas NGOs on Thursday to facilitate their legal operations on the mainland but to combat any activity that might harm national security.
President Xi Jinping, speaking on the South China Sea issue on Thursday, said China upholds the peaceful resolution of disputes through friendly consultation and negotiation with the countries directly involved.
The Ministry of Civil Affairs has increased punishments this year against social organizations that carry out illegal activities and violate rules, such as trying to pass themselves off as officially sanctioned groups, a ministry spokesman said on Thursday.
Overseas NGOs will have to get approval from Chinese authorities before they operate on the Chinese mainland, under a law adopted by China's top legislature on Thursday.