治疗冠心病并发心律失常,应首选的是
A.丙吡胺B.胺碘酮C.美西律D.利多卡因E..维拉帕米
参考答案:E
25G型客车车下设有2路电源干线,每路容量为()KW.
A.200
B.300
C.400
D.600
Directions: For this part, you have to write a short essay on the topic of the view about canceling the CCTV spring. You should write at least 150 words following the outline given below: (1)许多人喜欢在除夕夜观看春节晚会; (2)但有些人提出取消春节晚会; (3)我的看法。