Up until now, there are 100 universities included in 211 university project. 
A、正确
B、错误

A.心尖部第一心音可呈拍击性
B.肺动脉瓣区第二心音增强
C.心尖部第一心音增强
D.心尖部第二心音增强
E.主动脉瓣区第二心音分裂

A.血流加速
B.肺动脉高压
C.左房巨大血栓形成
D.主动脉瓣狭窄
E.主动脉瓣关闭不全