银银平台柜面互通冲账交易必须由（）级以上（含）授权柜员授权。
A.1
B.2
C.3
D.无限制
参考答案：B
This outdoor training is an exercise , as we know, teenagers' confidence can be built.
A．which
B．what
C．that
D．where
课程内容主要从消费者三方面展开：即心理活动过程、社会环境和购买决策过程。
