孟令星：中国政法大学商学院讲师、MBA教育中心招生部主任、执业律师、清华大学商法学博士、中国人民大学经济法学博士后、美国哈佛大学进修学者。

Yellow River water quality improved

黄河流域水质逐年好转

[重点词汇]

tributary: (大河或湖泊的)支流(n.)

The water quality of the Yellow River, China's second-longest river, has seen improvement in the past five years, the environment authority said. The river's water quality improved from mild pollution to good during the 13th Five-Year Plan period (2016-2020), according to the Ministry of Ecology and Environment. About 84.7% of the surface water in the river was graded Class I to III (good quality) in 2020, up 25.6 percentage points from 2016. For the tributaries, 80.2% of the surface water was graded as good quality in 2020, up 31.2 percentage points from 2016. Surface water quality in China is divided into five classes, with Class I being the best. In 2020, China reported improved air and water quality as well as reduced carbon dioxide emissions amid the country's efforts to boost green development, an official report showed in March.

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刘纪鹏：中国政法大学商学院前院长、资本金融研究院院长、二级教授、博士生导师、高级研究员、高级经济师、注册会计师。

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