男女性别差异主要源于（ ）和风俗习惯的不同，取决于他们的社会地位、教育、种族和职业。
A. 社会实践
B. 家庭
C. 生理
D. 学校
由于站、车工作人员的失误造成旅客车票丢失，站、车在填发代用票时，应将款额剪断线全部剪下，随（）上报。
A. 甲联
B. 乙联
C. 丙联
D. 退票报告
Which three options are features of the Cisco 3800 Series Integrated Services Routers?（）
A. Integrated Hardware for offload of encryption services
B. Wireless LAN
C. SRST with centralized Cisco CallManager fro up to 120 IP Phones
D. Support For up to Eight NMEs
E. Cisco CallManager Express for up to 36 IP Phones support
F. High Performance Architecture optimized for concurrent service deployment
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