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问题 单项选择题

交换式以太网采用的设备是（）。

A、集线器

B、路由器

C、交换机

D、中继器

答案

参考答案：C

填空题
用括号内所给单词的适当形式完成句子。
amuse,    variety,    cartoon,    be familiar to,    fantasy,
theme,    various,    preserve,    take a ride,    attraction
1. The children _____ themselves by playing hide-and-seek games.
2. The young teacher was loved because he made the children
    glad in _____ of ways.
3. In Disney _____ Robinhood there are a lot of animal characters.
4. Do you feel any _____ for this book?
5. Young people usually live in a world of _____. They are not realistic.
6. The _____ of our lesson is the development of the science.
7. There are _____ games in our sports meeting.
8. It's the duty of the police to _____ the public order.
9. They might _____ together to watch the sunrise.
10. You should _____ your new environment as quickly as possible.
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选择题

世界上平均海拔最高的大洲是[ ]

A．亚洲

B．非洲

C．北美洲

D．南极洲
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