__________ is the act performed by or resulting from saying something; it is the consequence of, or the change brought about by the utterance.

在Internet上的各种网络和各种不同类型的计算机相互通讯的基础是_________。

计算机系统结构是从_________所看到的计算机的属性，是计算机系统中对_________的定义及其上下功能分配。

All people, whether they be rich or poor, strong or weak, privileged or deprived，are interdependent, and _______ the common task of seeking to achieve mankinds full potential

Many boys enjoy _______ football, basketball or baseball

－ What does the sign over there read － “No person ________ smoke or carry a lighted cigarette, cigar or pipe in this area”

Which do you think is ________, health or wealth？

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

Which do you think is _________________important, health or wealth?

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

下列四项内容中，不属于Internet(互联网)基本功能是______。

连入Internet的计算机必须遵守______协议。