市委员会制有什么缺点和不足？

A. G^-杆菌
B. 能分解乳糖
C. 在SS培养基上菌落呈无色透明
D. 兼性厌氧
E. 可用于诊断血清鉴定菌型

A. 开关
B. 电感
C. 电容
D. 电阻

A. Open mail relays are often used for spamming.
B. ESMTP does NOT provide more security features than SMTP
C. SMTPdoes provide authenticated email sending."
D. Worms often spread via SMT