引起SAS最常见的危险因素是
A.年龄
B.肥胖
C.性别
D.局部解剖异常
E.烟酒
参考答案:B
脱疽因寒湿而引发者,其初起的脉象多数是:
A.血栓性浅静脉炎B.血栓性深静脉炎C.游走性浅静脉炎D.血栓闭塞性脉管炎E.动脉硬化闭塞症
This old lady ______ alone because her husband died ten years ago. [ ]
A. gets used to live
B. used to live
C. used to living
D. is used to living