急性心肌梗死时出现高危性室性期前收缩,治疗首选()
A.美西律
B.普鲁卡因胺
C.丙吡胺
D.利多卡因
E.胺碘酮
参考答案:D
Miss Smith is a friend of ______.
A.Mary‘s mother’s
B.Mary‘s mother
C.Mother’s of Mary
D.Mary mother‘s
霉菌的形态从形态和功能上分为哪几种?