虚拟专用网一般指的是构建在Internet上能够_______的专用网络。

人们约定，整个主机标识部分的二进制编码全为1时，该网络号解释为本地网络的_____。

than, as, more, so, less I ’m not going out with a man who ’e ________ old ________ me.

OSI七层模型中的传输层为应用进程提供_______的通信服务。

is, are, was, were, itself, himself, themselves The trade union ________ believed to regard ________ as an organization where the molested could seek advice and help.

管理信息系统是一个一体化集成系统，包括 __________的一体化和系统开发的一体化两个含义。

We prefer Chi nese bicycles  __ Japa nese bicycles  ___ their fine quality.

He lost ________________ parents when he was a child.

随着企业信息化管理的发展， 实施信息化管理的人才结构变动也有一定的规律， 主要是从纯技术人才向技术、 __________ 复合型人才的发展。

is, are, has, have, having The average British family, which ________ smaller and richer than 50 years ago, ________ 3. 6 members.