对本单位的安全生产工作全面负责的人员应当是:
A.生产经营单位的主要负责人 B.主管安全生产工作的副手C.项目经理 D.专职安全员
参考答案:A
In quality planning:
A) The primary benefit of meeting quality requirements is the reduced expense associated with project quality management activities.B) Cost-benefits tradeoffs must be considered.C) The primary cost of meeting quality requirements is increased rework.D) Benefits cannot be evaluated in relation to costs.
有一架天平,只有5克和30克的砝码各一个。现在要用这架天平把300克味精分成3等份,那么至少需要称多少次?()
A.3次
B.4次
C.5次
D.6次