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China currently has the biggest share of the global internet market in terms of the number of users. A report by the China Internet Network Information Center said the country has 829 million internet users, accounting for 59.6 percent of its population.
China has a four-tier color alert system for pollution, with red the highest, followed by orange, yellow and blue. It also has a corresponding four-level emergency response system, with Level I calling for a top emergency response and Level IV representing the lowest.
China has been heavily relying on oil and gas imports in recent years.
China has been proven successful and innovative in various sectors - online payments, the O2O (online-to-offline) segment and social networking.
China has a four-tier color-coded weather warning system, with red representing the most severe weather, followed by orange, yellow and blue.
来源：资阳报