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【判断题】
价值工程中的价值是指研究对象的功能与成本的相对比值。 2.一般情况下，随着产品质量的提高，产品在使用过程中的维修费用将成上升趋 势。 3.产品寿命周期是指产品从研究开发、设计制造、投入使用直至报废、维护的整 个周期。 4.功能降低，成本降低可以提高产品的价值。 5.冰箱的基本功能是冷藏食品。 6.寿命周期成本包括生产成本、使用成本和机会成本。 7.按重要程度可将功能划分为必要功能和不必要功能。A.
正确
B.
错误
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举一反三
【简答题】在线性结构中,第一个结点 1 前驱结点,其余每个结点有且只有1个前驱结点;最后一个结点 2 后继结点,其余每个结点有且只有1个后继结点。
【单选题】Price elasticity of demand measures on the
A.
responsiveness to the change in demand and the change in supply
B.
responsiveness to the change in demand and the change in price
C.
responsiveness to the percentage of change in demand and the percentage of change in supply
D.
responsiveness to the percentage of change in demand and the percentage of change in price
【单选题】Price elasticity of demand is defined as:
A.
the slope of the demand curve.
B.
the slope of the demand curve divided by the price.
C.
the percentage change in price divided by the percentage change in quantity demanded.
D.
the percentage change in quantity demanded divided by the percentage change in price.
【简答题】电法勘探是以地壳中岩矿石间的()为基础,通过观测和研究()进行地质勘探、找矿等的一种物探方法。
【单选题】Demand is said to be price elastic if_________.
A.
demand shifts substantially when income or the expected future price of the good changes
B.
buyers do not respond much to changes in the price of the good
C.
buyers respond substantially to changes in the price of the good
D.
the price of the good responds substantially to changes in demand
【单选题】Demand is said to be price elastic if
A.
the price of the good responds substantially to changes in demand.
B.
demand shifts substantially when income or the expected future price of the good changes.
C.
buyers do not respond much to changes in the price of the good.
D.
buyers respond substantially to changes in the price of the good.
【简答题】湿邪致病特点
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