多选题:服务业的生产率很难提高,这是因为( )。 题目分类:中级商业经济专业 题目类型:多选题 查看权限:VIP 题目内容: 服务业的生产率很难提高,这是因为( )。 A.服务业是典型的技术密集型行业 B.需要频繁的个性化处理 C.常常需要专业技术 D.常常很难评价质量 E.常常需要机械化和自动化 参考答案: 答案解析:
( ) We waited at the airport till the plane had __________ . ( ) We waited at the airport till the plane had __________ . A.set up B.set abou 分类:中级商业经济专业 题型:多选题 查看答案
( )People probably take part in dangerous sports nowadays be ( )People probably take part in dangerous sports nowadays because __________. A. 分类:中级商业经济专业 题型:多选题 查看答案
Hundreds of thousands of young children are being given mobi Hundreds of thousands of young children are being given mobiles (移动电话)by their p 分类:中级商业经济专业 题型:多选题 查看答案