1 . 阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。
Beijing embraces second snow this winter. The second snowfall of Beijing hit the capital Sunday evening, 1 (affect) traffic routes and scenic areas on Monday.
Starting at about 7 pm on Sunday, the snow fell from the city’s south, 2 (gradual) covering the entire capital 3 turning to moderate snow Monday morning, according to the Beijing Meteorological Bureau. The snowfall ended at noon and the blue alert 4 (issue) for a blizzard (暴风雪) was removed in the afternoon.
More than 50,000 workers and over 6,500 snow removal 5 (vehicle) were set up 6 (ensure) road safety. Flights and subway lines, as well as bus routes, have been affected when 7 snow hit the capital.
On Sunday Beijing issued a blue alert for a blizzard, the first blizzard alert this winter. A yellow alert for 8 (ice) roads was issued as well. China has a four-tier color-coded weather warning system, with red representing the most severe, followed 9 orange, yellow and blue.
In late November, the capital 10 (experience) its first snow of the winter.