请指出圆圈所画部位为听诊有何异常（）.
A.第一心音增强
B.第一心音减弱
C.窦性心律不齐
D.第一心音强弱不等
E.生理性杂音
参考答案：D
Madame Curie's () encouraged many women to study science, and many of them ().
A. succeeded ; succeeded
B. success ; success
C. succeeded; success
D. success ; succeeded
有二次电压而无电流或电流值反常的小的原因和解决措施？
