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keyboard 键盘
用所给词的适当形式填空。
1. Daniel keeps two white _____ (mouse) as pets.
2. I ________ (receive) an email from my cousin two days ago.
3. I ________ (see) this movie before.
mice
received
have seen
4. They used a knife ______ (open) the door.
5. This old man can use a computer _____ (do) word processing.
6. I don’t like watching football games. Let’s ______ (change) a channel.
to do
change
to open
Have you ever used computers to search for travel information? What websites have you visited?
Europe
Asia
Africa
America
A map of the world
guide n.
导游，向导
icon n.
图标
click v. 点击
world-famous adj.
举世闻名的
trade n. 贸易
international adj. 国际的
Microsoft is a world-famous international company.