《特种设备作业人员证》的格式印制等事项由各省质检局总局统一规定。
参考答案:错
解析:国家质检总局统一规定
He has a bad cold. He shouldn't eat___________for 24 hours. [ ]
A. something
B. nothing
C. anything
D. none
指示标志是什么?