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www.x-beta.cn/ppt-skill.html - Cached
This link has been bookmarked by 5 people . It was first bookmarked on 02 Jul 2009, by Ricky Su.
在用Powerpoint展示课件的时候，有时需要学生自己看书讨论，这时为了避免屏幕上的图片影响学生的学习注意力可以按一下“B”键，此时屏幕黑屏。学生自学完成后再接一下“B”键即可恢复正常。按“W”键也会产生类似的效果。
PPT
PPT tip windows
PPT tips 技巧
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