第27题: [单项选择]The term "high-margin business" (Line 2, Paragraph 7) probably means A. very profitable business. B. very promising business. C. bankrupt business. D. well-managed business. 参考答案:A 答案解析:[解析] 语义理解题。根据第七段前三句:自从二十世纪八十年代初期金融服务解除管制以来,竞争者将一度支撑银行利润的儿high-margin企业吸引过去。美国人避开低利率的银行账户,而选择高回报的投资,如