下列哪一支冠状动脉的闭塞引起心肌梗死最常见()
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.右冠状动脉
E.左冠状动脉主干加右冠状动脉
参考答案:B
--Did the film ________ your expectations?
--Yes, I have never seen such an interesting film like that before.
A.take part in
B.live up to
C.make ends meet
D.look forward to
The police __________the evidence by legal means that George murdered his wife. [ ]
A. achieved
B. gained
C. obtained
D. contained