第28题: [单项选择]Because of their out-of-date organization some unions find it difficult to ______. A. change as industries change B. get new members to join C. learn new technologies D. bargain for high enough wages 参考答案:A 答案解析:[解析] 这道题要从全段总结出来。这些工会的问题是失去现有的成员,而不是招募新的,所以不能选B项。对待新技术的问题是他们排斥新技术,而不是学习,C项不对。在文中没有提到D项。