规定一经颁布便成为约束人们行为举止的规范,人们必须严格遵守,如有违反就会受到相应的处罚,因此规定具有特点( )
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
免费的网站请分享给朋友吧