高血压病患者,伴变异型心绞痛,最佳降压药物为()
A.钙拮抗药
B.利尿药
C.β受体阻滞药
D.α受体阻滞药
E.ACEI
参考答案:A
我国历史上的县制和省制最早分别开始于
A.夏商、宋朝
B.春秋战国、元朝
C.秦朝、明朝
D.秦朝、元朝
—Tina had nothing for supper, _____ she?
—_____. She had some bread and milk. [ ]
A. had, Yes
B. had, No
C. did, Yes
D. did, No