要隐藏幻灯片,首先选中该幻灯片,然后()。
PowerPoint中,要隐藏某个幻灯片,可左键单击该幻灯片,选择"隐藏幻灯片"。
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
免费的网站请分享给朋友吧