病态窦房结综合征是由于()
A.心肌细胞自律性升高
B.单纯窦房结传导功能障碍
C.以上均不对
D.单纯窦房结起搏功能障碍
E.窦房结起搏功能、传导功能均有障碍
参考答案:E
—How much do you spend the new boots?
—They me 50 yuan. [ ]
A. buying; cost
B. to buy; pay
C. buying; spend
D. buy; take
猫眼疮西医名称是:
A.多形红斑B.玫瑰糠疹C.过敏性紫癜D.结节性红斑E.结节性痒疹