下列哪项属于血管内溶血()
A.PNH
B.缺铁性贫血
C.脾功能亢进
D.β珠蛋白生成障碍性贫血
E.丙酮酸激酶缺乏症
参考答案:A
预防心房颤动患者血栓栓塞首选的药物是()
A.华法林
B.氯吡格雷
C.低分子肝素
D.尿激酶
E.西洛他唑
The more careful you are, _______ mistakes you will make. I think it's true. [ ]
A. the more
B. the fewer
C. the less