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Most northern areas will see temperatures drop by four to six degrees Celsius, with temperatures down by eight to 10 degrees Celsius in some parts, the National Meteorological Center (NMC) said in a press release on its website.
Beijing's air quality has worsened again since Monday, with a significant thickening of the PM 2.5, or airborne particles measuring less than 2.5 micrometers in diameter.

Under the plan, the ministry will hone a mechanism to monitor and report food-borne diseases while regulating epidemiologic research on food safety incidents.
Despite the national regulations and relevant training, they need time to eliminate the psychological obstacle. "It takes more than professional ethics to solve it," Lu said.
According to the draft, only children who suffer serious disabilities or severe physical or mental impairments and need special care or professional support can be deemed unsuitable for normal school education. Such cases must be verified by educational committees at or above county level.
来源:资阳报