日日人人_亚洲美女在线视频_av手机在线播放_国产大片aaa_欧美中文日韩_午夜理伦三级

精英家教網 > 初中英語 > 題目詳情

Many people are surprised when they find that the Internet was set up in the 1960s. At that time, computers were large and expensive. Computer networks didn't work well. If one computer in the network broke down, then the whole network stopped. So a few network system had to be set up. It should be good enough to be used by many different computers. If part of the network was not working, information could be sent through another part. In this way computer network system would keep on working all the time.

At first the Internet was only used by the government, but in the early 1970s, universities, hospitals and banks were allowed to use it, too. However, computers were still very expensive and the Internet was difficult to use. By the start of 1990s, computers became cheaper and easier to use. Scientists had also developed software that made "surfing" the Internet easier.

Today it is easy to get online and it is said that millions of people use the Internet every day. Sending e-mails is more and more popular among young people. The Internet has now become one of the most important parts of people's life.

1.How long has the Internet been used?

A. For about 10 years. B. For about 20 years.

C. For about 40 years. D. For about 60 years.

2.What would happen when one computer in the network broke down after the new network system was set up?

A. The other computers would wait.

B. The other computers would still work.

C. Some of the others still worked.

D. The other computers wouldn't work.

3.Which of the following used the Internet first?

A. Hospital B. Universities

C. Banks D. The government

4.What is true about computers in the 1990s?

A. They became cheaper and easier to use.

B. They became larger and larger.

C. People couldn't buy them anywhere.

D. People could get information only from them.

5.What can we infer from the last sentence?

A. People will die without the Internet.

B. All people should set up their own network.

C. People live easily without the Internet.

D. People will more and more depend on the Internet.

練習冊系列答案
相關習題

科目:初中英語 來源:2017屆湖北黃岡團風縣王亞南中學九年級上第一次月考英語卷(解析版) 題型:單項填空

—Look! The children are throwing water____ each other in the river.

—Yes. It’s a little similar_____ the Thai Water Festival.

A. into; for B. /; at C. at; to D. to; with

查看答案和解析>>

科目:初中英語 來源:2016屆重慶江津區八中九年級上期中考試英語試卷(解析版) 題型:單項填空

Could you please pass me a pair of _______ ? I want to use them to practice paper cutting .

A. chopsticks B. glasses C. scissors D. paper

查看答案和解析>>

科目:初中英語 來源:2016屆江蘇南京玄武區九年級5月測試(二模)英語試卷(解析版) 題型:單項填空

The ________ you work, the more trust and praise you will get from your workmates.

A.more careful B.more carefully

C.most carefully D.most careful

查看答案和解析>>

科目:初中英語 來源:2016屆江蘇南京玄武區九年級5月測試(二模)英語試卷(解析版) 題型:單項填空

Nearly two-thirds of dogs are lucky enough to _______ a gift from their masters for their birthday and Christmas.

A.raise B.record C.receive D.reply

查看答案和解析>>

科目:初中英語 來源:2016-2017學年河北石家莊井陘礦區實驗中學八年級上開學考試英語卷(解析版) 題型:單項填空

_______ exciting news!

A. What B. How a C. What an D. How

查看答案和解析>>

科目:初中英語 來源:2016-2017學年河北石家莊井陘礦區實驗中學八年級上開學考試英語卷(解析版) 題型:單項填空

Walk along the road, turn left___ the first crossing and then you'll see it___ your right.

A. at; on B. on; at C. in; on D. at; in

查看答案和解析>>

科目:初中英語 來源:2016-2017學年河北石家莊井陘礦區實驗中學八年級上開學考試英語卷(解析版) 題型:單項填空

— Was there a computer in your study? — _________

A. Yes, there is. B. No, there isn’t.

C. Yes, there was. D. No, there was.

查看答案和解析>>

科目:初中英語 來源: 題型:選擇題

13.-Did you tell your friend Jack the news on the telephone or mobile phone?
-______.I used QQ to send him the news.(  )
A.NeitherB.BothC.EitherD.None

查看答案和解析>>

同步練習冊答案
主站蜘蛛池模板: 国产黄色免费视频 | 狠狠操中文字幕 | 天堂成人av| 国产一区二区在线观看视频 | 国产成人8x视频一区二区 | 国产精品1区2区 | 狠狠久 | 亚洲久草 | 亚洲精品国产第一综合99久久 | 亚洲精品视频在线观看免费视频 | 日韩视频免费观看 | 少妇一级淫片免费放 | 成人av免费观看 | 九九热视频在线 | 一级女性全黄久久生活片免费 | 99精品久久久久久蜜桃 | 日韩有码一区二区三区 | 欧美三区 | 亚洲伊人久久网 | 国产成人久久 | av青青 | 一呦二呦三呦国产精品 | 亚洲jizzjizz日本少妇 | 欧美电影一区二区 | 欧美日韩一区二区在线 | 亚洲福利片 | 久久九九视频 | 欧美亚洲高清 | 成年人在线看片 | 日本黄色大片免费观看 | 日韩在线视频中文字幕 | 国产综合亚洲精品一区二 | 国产对白刺激真实精品91 | 国产精品三区在线 | 欧美精品久久久久久久久老牛影院 | 国产v日产∨综合v精品视频 | 日韩在线成人 | 日韩国产精品一区二区三区 | 日本高清视频在线播放 | 欧美暴操 | 成人高清在线 |