Many manufacturers were accused of concentrating too heavily on cost reduction, often at the _____ of the quality of their produ

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问题 Many manufacturers were accused of concentrating too heavily on cost reduction, often at the _____ of the quality of their products.

选项 A、expansion
B、exposure
C、expense
D、expectation

答案C

解析 考查名词辨析。expense表示“价钱,花费;(pl.)开支”,意为“由……付费;以……为代价”,符合题意,为正确答案。expansion意为“扩大,扩展”;exposure意为“暴露;揭发”;expectation意为“期待;(pl.)前程”。
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