氢氰酸是一种()。 ["神经毒","细胞原浆毒","内毒素","外毒素","肠毒素"]
易于侵袭阳位的邪气是() ["暑邪","燥邪","风邪","火邪","寒邪"]
锅炉水位应经常保持在正常水位线处,并允许在正常水位线上下()mm内波动. ["20","30","50","70"]
导致四肢抽搐、角弓反张的邪气是() ["A.风邪","B.寒邪","C.湿邪","D.燥邪","E.火邪"]
采用净现值(NPV)、内部收益率(IRR)和差额内部收益率(△IRR)进行互斥方案比选,它们的评价结论是:() ["NPV和△IRR总是不一致的","IRR和△IRR总是一致的","NPV和△IRR总是一致的","NPV、IRR和△IRR总是不一致的"]
基数效用论采用的是()分析法,序数效用论采用的是无差异曲线分析法。