急性前间壁心梗时,冠状动脉病变常见的部位是:()
A.左冠状动脉主干
B.左冠状动脉前降支
C.左冠状动脉回旋支
D.左冠状动脉
E.以上都不是
参考答案:B
— What on earth happened to that woman selling newspapers?
— I don’t know. She ____ around here for a long time.
A.hasn’t seen
B.didn’t see
C.hasn’t been seeing
D.hasn’t been seen