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

18对于演示文稿中不准备放映的幻灯片可以用________下拉菜单中的“隐藏幻灯片”命令隐藏。( )

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”

在PowerPoint 2003中，幻灯片母版中的信息包括______。

Either he or I ______to the airport.

PowerPoint2003中，对于演示文稿中不准备放映的幻灯片可以用______下拉菜单中的"隐藏幻灯片"命令隐藏。

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.

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．

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

对于演示文稿中不准备放映的幻灯片可以用_____下拉菜单中的“隐藏幻灯片”命令隐藏。