对物料的ABC分类管理中,A类物料占采购总数的10%,占采购金额的70%~80%。( )
参考答案:对
男性患者,47岁,以"头痛、恶心、呕吐30分钟"为主诉来诊。查体:神清语利,肢体无明显瘫痪,脑膜刺激征阳性。辅助检查:脑脊液呈均匀一致血性。最不可能的诊断是()。
A.SAH
B.脑叶出血
C.壳核出血
D.尾状核头出血
E.小脑出血
Traditional folk arts of Shanxi ________ at the culture show of the 2010 Shanghai World Expo. [ ]
A. is exhibiting
B. is being exhibited
C. are exhibiting
D. are being exhibited