室速伴严重血流动力学障碍时,终止发作的首选措施是:()
A.利多卡因
B.普鲁卡因酰胺
C.慢心律
D.电复律
E.胺碘酮
参考答案:D
For semi-professional artists, performing before the public is a good chance ____.
A.to improve themselves in their careerB.to help train amateur performersC.to make friends with superstarsD.to get involved in profitable business
嗅觉器主要位于()上。
A、触角
B、下颚须
C、下唇须
D、足
E、尾须