银行卡交换系统的主要功能包括（）。
A.跨行实时联机转接功能
B.贷记卡行内联机转接功能
C.压力测试
D.批量清算功能
参考答案：A, B, D
阅读对话，判断正误，用“√”“×”表示。
A: Come here, Helen. What's that on the desk?
B: It's a clock,
A: What's the time?
B: It's seven o'clock.
A: It's time to go to school.
B: OK. Let's go by bike.
( )1. It's a clock on the desk.
( )2. It's six o'clock.
( )3. It's time to go to school.
( )4. Let's go to school by bike.
国家 * * 的基本职权是（）、执行权，以及礼仪权。
