问题补充:
单选题Manymanufacturerswereaccusedofconcentratingtooheavilyoncostreduction,oftenatthe______ofthequalityoftheirproducts.A.expenseB.exposureC.expansionD.expectation
答案:
A解析这题考查词义辨析:expense费用,exposure暴露expansion扩大expectation 期待,at the expense of“以…为代价“。选A。