冠状动脉粥样硬化病变最常受累的动脉分支是
A.左前降支
B.左旋支
C.右主干
D.左主干
E.右旋支
参考答案:A
The information that will become your ability once you use it.
A.absorbs
B.is absorbing
C.is absorbed
D.had been absorbed
“循环启动按钮”在急停状态情况下不起作用。