搜题请搜索小程序“爱下问搜题”
问题 单项选择题

一位老医生，了解正处于疾病恢复期的某患者特别喜欢吃绿豆粥，就从家里做好带给患者。患者及其外地来的家属十分感谢，不少年轻医生却提出疑义。对此事的看法，你同意哪一种（）

A.患者想吃的食品都由医生在家做好送给患者，那就没完没了

B.老医生是做一个样子给我们看，没有任何意义

C.医生能力所及地帮助患者解决一些困难

D.可以帮助患者，但要有分寸，其他没有必要

答案

参考答案：C

单项选择题

Networks can be interconnected by different devices．In the physical layer，networks can be connected by (64) or Hubs, which just move the bits from one network to an identical net-work. One layer up we find bridgas and swiehes, which operate at data link layer. They can accept (65) , examine the MAC address, and forward the frames to a different network while doing minor protocol translation in the process. In the network layer, we have routers that can connect two netwoks. If two networks have (66) network layer, the router may be able to translate between the packet formats. In the transport layer we find transport gateway, which can interface between the two transport connections. Finally, in the application layer, application gateways translate message

(67) . As an example, gateways between Internet e-mail and X.400 e-mail must (68) the e-mail message and change various header fields.

67（）

A．syntax

B．semantics

C．languages

D．format
查看答案
多项选择题

在确定客房员工人数时，必须考虑的因素有（）。

A.工作量

B.劳动定额

C.工作环境

D.规格要求

E.出勤率
查看答案