In regard to the production of goods in greater quantities, the author states that ______. Improved quality of facial tissues r

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问题 In regard to the production of goods in greater quantities, the author states that ______.
Improved quality of facial tissues resulted from ______.

选项 A、mass—production methods
B、popular demand for a better product
C、a decrease in production costs
D、competition among manufacturers

答案D

解析 参看上一题
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