若等腰三角形一腰上的高与另一腰上的夹角是30°,则顶角的度数为( )。
60°或120°
—Where’s Mr. Lin, do you know?
—Well, it's hard to say. But I saw him ______ a football game just now. [ ]
A. was watching
B. watching
C. had watched
D. watched
在突发公共卫生事件应急处理工作中,有关单位和个人不配合有关主业技术人员调查、采样、技术分析和检验的,对有关责任人给予()
A.警告
B.吊销执照
C.降级或者撤职的纪律处分
D.行政处分或者纪律处分
E.追究刑事责任