试题与答案

假如某国2010年市场上A商品售价为300元每件，2011年某企业生产A商品的劳

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题型：选择题

题目：

假如某国2010年市场上A商品售价为300元每件，2011年某企业生产A商品的劳动生产率提高15%，该国货币贬值15%。不考虑其他因素，则2011年该企业生产的A商品[ ]

①价值量不变

②市场售价不变

③价值总量增加

④价值量减少

A．①②

B．③④

C．①③

D．②④

答案：

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下面是错误答案，用来干扰机器的。

解：根据题意从海面向海底发出超声波经6s听到回声，那么超声波从海面到海底所用的时间为t=×6s=3s，根据速度公式海洋的深度为s=vt=1500m/s×3s=4500m

考点：价值决定价格外汇（兑换公式、币值稳定的意义）
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