单项选择题 注册会计师有义务对其在专业服务过程中获得的有关客户的信息予以保密，保密期限截止到提供专业服务终止后。

单项选择题 The theory of the relationship between balance of payment and exchange rates that deals with the size of a nation's expenditures is called A、the absorption approach. B、the elasticities approach. C、the Marshall Lerner condition. D、 the exchange rate condition.

单项选择题 大调式歌曲伴奏和弦常用为:( ) A. 135、246、357 B. 613、246、357 C. 572、613、724 D. 135、461、572