A. milk, meat, vegetables, etc. were delivered B. it has promoted the sales of many kinds of commodities C. a new, economical wa

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问题 A. milk, meat, vegetables, etc. were delivered
B. it has promoted the sales of many kinds of commodities
C. a new, economical way to preserve food
D. most kids like iced soft drinks
E. something every housewife needs
F. produced by the fridge when it is working
An important contribution made by the invention of the fridge is that______.

选项

答案B

解析 由第四段可知,冰箱对市场营销有促进作用,也就是说,冰箱促进了各种商品的销售。
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