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”

计算机操作系统的主要功能是______。

CPU中运算器的主要功能是 ______。

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

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

微型计算机中运算器的主要功能是进行______。

Project ______is an uncertain event or condition that，if it occurs，has a positive or a negative effect on at least one project objective，such as time，cost，scope，or quality．

微型计算机中运算器的主要功能是____。

It will be a relief over the death of a friend or a relative if the friend or relative dies from ______.

表达式(8+3＞36.OR..T..AND.“A”-“B”$“ABC”)的运算顺序是______。