流脑的病原菌是()
A.肺炎球菌
B.军团菌
C.脑膜炎球菌
D.支原体
E.衣原体
参考答案:C
不完全性右束支传导阻滞的心电图改变是()
A.QRS>0.12s
B.室上性起搏点
C.V1呈rSR图形
D.QRS波群时间在0.09~0.11s之间
E.V1V2呈QS型
This policy encourages companies to introduce new technologies take part in the International
competition.[ ]
A. as good as
B. as long as
C. as soon as
D. as well as