问答题
1.What is the probable relationship between the two speakers? A、They are classmates. B、They are colleagues C、They are brothers D、They are professor and student
Professor and student
问答题 企业的保密措施中,与员工最为直接相关者就是( ) A、保密协议 B、劳务合同 C、竞业禁止协议 D、保密义务协定
判断题 电子交易比传统交易更加安全。
单项选择题 统计整理是旅游统计研究的中心环节。