根据题意,得
x-3≠0x≥0,
解得,x≥0,且x≠9;
故答案是:x≥0,且x≠9.
The man _____ talked to you just now is a coach of the football team. [ ]
A. whose
B. which
C. that
D. whom
()信息提取真实性原则是零售许可信息档案建立的基本原则之一。