网络操作系统把计算机网络中的各台计算机有机地互连起来，实现各台计算机之间的 _________及网络中各种资源的___________。

计算机网络技术是计算机和____________技术的结合。

Many boys enjoy _______ football, basketball or baseball

Which do you think is ________, health or wealth？

_______________will not continue if an ongoing operation is changed or deletedA、

29．__________ when you are on the bus or bike．

目前世界上最大的计算机互联网络是______。

Which do you think is _________________important, health or wealth?

And they can ______their passports______，making leaving or “escaping” virtually impossible.

Duty is an act or a course of action that people __________you to take by social customs, law or religion.

计算机网络类型按数据交换方式可以划分为________。

通过______接入因特网是一个部门或单位的计算机接入因特网常用的方法。