单项选择题
A. 对 B. 错
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
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。
A.
对
B.
错