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问题 单项选择题

“千锤万凿出深山，烈火焚烧若等闲。”出自（）。

A．于谦《石灰吟》

B．郑谷《淮上与友人别》

C．《荀子·劝学》

D．施耐庵《水浒传》

答案

参考答案：A

解析：

“千锤万凿出深山，烈火焚烧若等闲。”出自于谦《石灰吟》。

完形填空

We are all busy talking about and using the Internet (互联网), but how many of us know the h____小题1:___ of the Internet?

　　Many people are surprised when they find that the I___小题2:_ was set up in the 1960s. At that time, computers were large and e__小题3:___ . Computer networks (网络) didn't work well. If one computer in the network broke down, then the whole network stopped. So a new network system had to be set up. It should be good e__小题4:___ to be used by many different computers. If part of the network was not working, information could be sent through a__小题5:_ part. In this way computer network system would keep on w___小题6:___ all the time.

　　At f_小题7:_ the Internet was only used by the government, but, in the early 1970s, universities, hospitals and banks were allowed to use it too. H小题8:__, computers were still very expensive and the Internet was d__小题9:__ to use. By the start of the 1990s, c__小题10:_ became cheaper and easier to use. Scientists had also developed software that made 'surfing' (浏览) the Internet more convenient.

Today it is easy to get on-line (上网) and it is said that m__小题11:__ of people use the Internet everyday. Sending e-mail is more and more p__小题12:__ among students.

The Internet has now become one of the most important parts of people's life.
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填空题

高频调谐器不包含（）。
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