题目

Could I speak to ______ is in charge of International Sales please? A. who                         B. what C. whoever                     D. whatever 答案：C 解析: 考查连接代词。句意是“请找负责国际销售的任何人接电话好吗”。这里的whoever相当于anybody that，它既是主句的宾语，也是宾语从句的引导词。9．已知|m|=3，a与b互为倒数，c与d互为相反数，e是-2的绝对值．求2ab-（c+d）+me的值．