A. 1 is easy to get along wit. B. 2 always makes careless mistakes. C. 3 spends project money wastefully. D. 4 is fresh out of college. E. 5 is cheery. F. 6 is good at staying in budget on projects. G. 7 is honest. H. 8 is a pain to work with. I. 9 is smart and enthusiastic. J. 10 is inexperienced. K. 11 is a hard worker. L. 12 is the biggest airhead. M. 13 is unwilling to stay a little later at the office. N. 14 is a bit green. O. 15 never steals the credit on projects.__13__(完形填空) .Larry .Bob .Mary
下列关于我国地方立法权的范围的说法，正确的有________。(多选题)
有一个关系：学生（学号，姓名，系别），规定学号的值域是8个数字组成的字符串，这一规则属于( )：(单选题)