A.milk, meat, vegetables, etc.were delivered B.it has promoted the sales of many kinds of commodities C.foods can be preserved D

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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.foods can be preserved
D.most kids like iced soft drinks
E.every housewife needs food
F.the fridge produced when it is working
An important contribution made by the invention of the fridge is that______.

选项

答案B

解析 空格前面部分的内容说“冰箱的发明所作出的一个重要贡献是……”,我们已经了解到“市场销售/贸易”是“冰箱的贡献”,对比其他选项,判断B项“冰箱促进了许多种商品的销售"故B项为合适选项。
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