People __________ (....岁的) 15 to 19 read for an average of only 5 minutes per weekend day, but they spend one hour playing video games or using a computer for leisure.
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Visiting friends or chatting online is the next most common leisure activity. This __________ (占据) nearly 45 minutes every day.
Now, more and more older people are doing it. They find that it can be a wonderful way of __________ (放松) after a hard day’s work.
在PowerPoint2016的演示文稿中插入新幻灯片的快捷键是( )。
A. Ctrl+N
B. Ctrl+M
Ctrl+W
D. Ctrl+P
PowerPoint2016提供了多种演示文稿视图,下列不属于演示文稿视图的是( )。
A. 备注页视图
B. 普通视图
C. 幻灯片浏览视图
D. 母版视图