An important contribution made by the invention o

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An important contribution made by the invention of the fridge is that______.

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

热搜:n维列向量组a1,an-1线性无关,且与非零向量正交

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  • 答案:B

    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……”,我们在解答第24题时,已经了解到“市场稍售/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。