2022-2023英语周报高一外研版第15期答案汇总

Rare ice fog gripped the Chinese city of Mohe

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Rare ice fog gripped the Chinese city of Mohe in the north of the country after temperatures suddenly dropped to a bitter -43.5℃ on December 6, according to Chinese media. The Mohe authority announced that temperatures fell to minus 41.1 degrees Celsius on Tuesday, minus 42.1 on Wednesday and minus 43.5 on Thursday.

A cold front approached the northern city on Monday, causing temperatures to drop by between 12 and 20 degrees Celsius. Authorities were forced to issue the city’s first-ever red warning for cold weather. The Heilongjiang Meteorological Bureau also issued an orange warning for cold weather.

Visibility was reduced to less than 100 meters, which made driving difficult, but the conditions did not decrease the spirits of some brave tourists, who went outside to witness the meteorological phenomenon and have fun. Videos on social media showed people throwing water into the freezing air, causing it to turn to ice immediately. Ice fog only occurs in the world’s coldest regions, as drops of water staying in air can remain in liquid form down to temperatures as low as minus 40 degrees Celsius. It is a phenomenon regularly witnessed in the Arctic and Antarctic, but can also form at extreme northern and southern latitudes, in regions including Alaska and northern Russia.