单项选择题The 1995 to 2007 period of very high economic growth, with a record of posting the highest growth rates in Europe, led many people call Ireland________.
单项选择题β1受体阻断产生的效应是:A. 骨骼肌松弛B. 血管舒张C. 心收缩力减弱D. 支气管平滑肌松弛