关元穴具有回阳固脱的作用，其原因是：A．为三焦元气所出，是阳中有阴的穴位 B．产生命

第一节：语音知识（共5小题；每小题1分，满分5分）

从每小题的A.B.C.D四个选项中，找出所给单词的正确读音，并在答题卡上将该选项涂黑。

1. status      A. [′steitəs]      B. [sti:təs]      C: [′steites]       D [stei′təs]

2. convenient  A. [kən′vi:njənt]  B. [kən′vinjənt]  C. [kæn′vi:njənt]  D. [kɔnvi:njənt]

3. hire        A. [′heiə]       B. [′hæə]        C. [hai′ə]        D. [′haiə]

4. majority     A. [mi′dʒɔriti]  B. [mi: ′dʒɔrəti]   C. [mə′dʒɔrəti]   D. [mæ′dʒɔriti]

5. nephew     A. [′næfju:]     B. [′nəfju:]       C. [′ni:fju:]      D. [′nefju:]

一群鸡和鸭子放到一起饲养，它们内部会形成一个社会性的群体组织，统一行动，共同觅食．______．

储备容量

传统发型设计方法主要是凭（），对顾客发型进行设想构思。

A.实践、技术

B.经验、技术

C.经验、感觉

D.实践、感觉

Networks can be interconnected by different devices in the physical layer networks can be connected by (71) or hubs．which just move the bits from one network to an identical network．One layer up we find bridges and switches which operate at data link layer．They can accept (72) ，examine the MAC address and forward the frames to a different network while doing minor protocol translation in the process in me network layer，we have routers that can connect two networks，If two networks have (73) network layer，the router may be able to translate betweenthe packer formats．In the transport layer we find transport gateway，which can interface between two transport connections Finally，in the application layer，application gateways translate message (74) ．As an example，gateways between Internet e-mail and X，400 e-mail must (75) thee-mail message and change various header fields．

A．reapers

B．relays

C．packages

D．modems