伯氏疏螺旋菌中枢系统感染的最合理用药是()
A.链霉素
B.头孢曲松钠
C.庆大霉素
D.异烟肼
E.利福平
参考答案:B
Look! There are many people on the beach. They are______ and happy.
A.relaxed
B.relaxing
C.relaxes
D.relax
H型结构管理体制