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【单选题】
关于柴油机气缸盖的工作条件,说法错误的是:A.
要承受气缸盖螺栓预紧力所产生的安装应力
B.
承受缸内周期性变化的气体压力所产生的高频脉动机械应力
C.
受到高温燃烧气体的剧烈加热
D.
由于气缸盖螺栓紧固力等的约束,使高温部分的热膨胀受到抑制,从而在气缸盖上各阀之间的狭窄区域产生很大的机械应力
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【单选题】A shortage of blood for transfusions for injured animals has resulted in the introduction of a synthesized product called Oxyglobin, which can be used effectively as a blood replacement. The manufactu...
A.
a. penetration pricing
B.
b. price-lining
C.
c. bundling costs
D.
d. price skimming
【单选题】When a company decides to exit an industry by selling off its business assets to another company, it is said to be using a(n) _____ strategy.
A.
market penetration
B.
divestment
C.
niche
D.
downsizing
E.
outsourcing
【单选题】When a company sets a high price for a new product with the intention of reducing the price in the future, it is using the ________ pricing strategy.
A.
market-skimming
B.
cost-plus
C.
market-segmentation
D.
market-penetration
【单选题】When a firm varies the price of a product by the season, month, day, or even hour, without changing product features, it is using ________ pricing.
A.
product form
B.
market-penetration
C.
market-skimming
D.
time-based
E.
value-added
【单选题】Using _____ pricing, a company initially charges a low price, both to discourage competition and to grab a sizeable share of the market.
A.
skimming
B.
flexible
C.
penetration
D.
bidding
【简答题】Microwaves may be great at warming up food, but what about warming people? Using microwaves to directly heat owners of a room would save much of the energy wasted by heating walls and furniture. And d...
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