女性,10岁,诊断为重症心肌炎,心脏听诊可能出现的特征性体征是
A.开瓣音
B.S2固定分裂
C.钟摆律
D.S1增强
E.P2增强
参考答案:C
_____ valuable advice you gave me! [ ]
A. What a
B. What an
C. What
D. How
Beever征