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【单选题】
Although no proof yet exists of the electromagnetic disturbances observed being the results of nuclear weapons testing, diplomats are treating the situation with utmost delicacy.A.
of the electromagnetic disturbances observed being the results of nuclear weapons testing
B.
regarding the observed electromagnetic disturbances having been the results of nuclear weapons testing
C.
that the electromagnetic disturbances observed were the results of nuclear weapons testing
D.
that nuclear weapons testing resulted in the electromagnetic disturbances having been observed
E.
that the electromagnetic disturbance observed were resulting from nuclear weapons testing
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【简答题】结构或构件的可靠度 指标越高,则失效概率愈____。
【判断题】低成本战略指的是企业通过挖掘和发挥现有的资源和能力优势,选择不断地扩大生产规模、釆用先进的工艺生产标准化产品、优化调整企业价值链构成、建立低成本的物流系统、创建同企业战略相适应的企业文化、严格控制各项费用开支等措施,从而在一个或者多个相关市场中保持整体成本领先地位,以获取并长期保持竞争优势的一种成本战略。( )
A.
正确
B.
错误
【简答题】我国几代领导人均指出:提高的战斗力,要把(_________)提高到战略地位。