在春节到来之际，某商场对酱油进行打折促销，从而酱油的销售量有_爱下问搜题

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问题单项选择题

在春节到来之际，某商场对酱油进行打折促销，从而酱油的销售量有个较大的上升，这主要是因为（）。

A、市场增长

B、提前消费

C、抢占市场份额

D、其他原因

答案

参考答案：B

选择题

Her husband earns ____ she while they do the same amount of work. [ ]

A. twice as many as

B. as twice much as

C. twice more money as

D. twice as much money as

问答题简答题

何为应力集中系数？并叙述其作用。