问题
单项选择题
Learning curve theory emphasizes that in producing many goods, ______ .
A) cost decreases as production rates increase
B) average unit cost decreases as more units are produced
C) materials become cheaper when they are purchased in bulk
D) laborers become more productive because of technological advances
答案
参考答案：B
解析： 学习曲线理论强调在生产大量产品时, ______ 。
A) 成本减少, 生产率增加
B) 随着更多单位的产出, 平均单位成本减少
C) 由于大量采购, 材料会变得便宜
D) 因为技术的改进, 劳动力会更有生产效率
质量管理学说，当某个产品被重复生产时．由于更加熟练，平均单位成本会降低。