下列哪些情况可出现J波(Osborn波)()
A.Brugada综合征
B.早期复极综合征
C.低温麻醉
D.特发性J波
E.高血钙
参考答案:A, B, C, D, E
I saw Mary dancing at the party and on such ______ she was really excellent.
A.scenes
B.situations
C.positions
D.occasions
V型皮带的截面是()
A.矩形
B.梯形
C.圆形
D.三角形