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Another vice-chairman of the CPPCC National Committee, Leung Chun-ying, dismissed criticism from the opposition camp on the postponement.

Another notable achievement was Hedges' 1999 study on changes in the black-white gap in achievement test scores. Analyzing seven probability samples of national populations of adolescents from 1965 to 1996, the study found that in the top-scores distribution, black students performed poorly, indicating they had a severe disadvantage in competing for places in selective colleges and professional schools.

Anyang, Henan province - listed as one of the 28 major cities in the region for coordinated action on air pollution control - was the first to see its hourly density of PM 2.5, a major air pollutant, reach heavy pollution level early on Monday. The heavy pollution has gradually been extending to the north, the China National Environmental Monitoring Center said in a statement on Tuesday.

Another industry leader, Alibaba Cloud, the largest cloud partner in China, also launched an array of cloud and artificial intelligence (AI) products and solutions at the MWC, ranging from big data and artificial intelligence to infrastructure, security and private cloud solutions. The key products include Image Search solutions that allow users to search for information online and offline using images, and Intelligent Services Robot, a chatbot for business.

Apart from investing locally and hiring local people, Zhao said many high-end Chinese manufacturers have filled the local technical gap and optimized the industrial structure, so it's never about Chinese companies taking advantage of local natural resources, but creating a win-win situation.