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China experienced marked improvement in its surface water quality last year. According to the Ministry of Ecology and Environment, monitoring at 1,940 sites found that 71 percent of the water was at or above Grade III - a year-on-year improvement of 3.1 percentage points. Bodies of water listed below Grade V, the poorest quality, dropped by 1.6 percentage points to 6.7 percent.
China became an aged society in 1999 when people age 60 and older crossed the international threshold of 10 percent of its population. The population that falls in the age group has ballooned over the decades that followed, reaching 253 million by end of 2019, or 18.1 percent of the total population, according to the National Bureau of Statistics.
China extends sincere congratulations on Vladimir Putin's inauguration as Russian president, Foreign Ministry spokesman Geng Shuang said at a regular news conference on Monday.
China has also stepped up oil and gas exploration to ensure energy security, he said.
China has already launched trading of crude oil futures contracts and the Shanghai Gold Benchmark Price in the past few years among its steady moves to further open up the financial sector and commodity market.
来源：资阳报