The government air quality in urban areas from level one to five: excellent fairly good

问题补充：

The government air quality in urban areas from level one to five: excellent, fairly good,slightly polluted, poor and dangerous.

A arranges B. classifies C. distributes D. divides

答案：

解析：考查动词辨析。句意：政府把城市空气质量分为1-5个等级：优、良、轻微污染、差、重污染。A安排；B分类；C分配；D划分；常用divide...into...。故选B。