布雷顿森林体系实际上是以()为中心的国际货币体系
A. 美元
B. 黄金
C. 特别提款权
D. 多种储备资产
Which of the following agents should a patient take for a stuffy, runny nose()
A. Oxymetazoline
B. Albuterol
Clonidine
D. Terbutaline
E. Metoprolol
The nonselective β-adrenergic blocking agent that is also a competitive antagonist at α1-adrenoceptors is()
A. Timolol
B. Nadolol
C. Pindolol
D. Acebutolol
E. Labetalol
我国国际收支平衡表中有关储备资产的数据来自中国银行()