个人网银客户在前台办理了借记卡的更换业务后,也应该同时办理网银下挂卡的变更业务。()
参考答案:错
He likes ______ the dishes. He thinks it's ______. [ ]
A. making, relaxing
B. to do, relaxing
C. making, relaxed
D. doing, relaxed
每一字段名称、类型、长度等的集合叫()。
A、数据库结构
B、记录
C、字段
D、关键字