在处理宾客损坏客房物品时，服务员切记须确保饭店的（），但要以事实为依据，向宾客索赔。
A、房间完整
B、利益不受损失
C、声誉
D、级别
参考答案：B
自动喷水灭火系统管道的局部水头损失，宜采用当量长度法计算。（）
Traditional Internet access methods like dial-up were so slow that host computers were connected to the dial-up （71） at the customer premise over slow （72） ports.PPP was designed to run directly over these serial links. But with the advent of broadband Internet（73） technologies such as ADSL and cable modems there has been a considerable increase in the bandwidth delivered to the end users. This means that the host computers at the customer premise connect to the （74） or cable "modem" over a much faster medium such as Ethernet. It also means that multiple （75） can connect to the Internet through the sameconnection.
A．access
B． cache
C．cast
D．storage
