项目范围管理不包括( )。 A．启动 B．活动排序 C．范围定义 D．范围变

前期物业招标分为公开招标和（）。

A.不公开招标

B.邀请招标

C.公开投标

D.邀请投标

铣削加工是以______作主运动，______作进给运动的切削加工方法。

For each blank, choose the best answer from the four choices and write down on the answer sheet.

（）is a channel’s capacity which directly reflects the data transfer rate of the channel.

（）functions in a NetWare network which is used to define addressing schemes.

（）is a network layer device that supports multiple LAN interfaces and segments LANs into smaller collision and broadcast domains.

（）is the popular LAN developed under the direction of the IEEE802.3.

（）is a device which enables digital microcomputers to communicate across analog telephone lines.

（）is a device which enables digital microcomputers to communicate across analog telephone lines.

A．The repeater

B．The modem

C．The hub

D．The printer

新课程倡导的学生观是________、________、________。

程控交换机的控制系统由（）组成。

A.处理机、交换网络、输入/输出接口

B.处理机、交换网络、存储器

C.处理机、存储器、输入/输出接口

D.处理机、交换网络、中继接口