题目内容

【题目】 根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

【1】 Half a minute? A few seconds?

Google engineers have discovered that even 400 milliseconds-as short as the blink of an eye-is too long for most Internet users.

A millisecond is one thousandth of a second. People hardly notice such a small time difference, but it does cause them to stop searching, reported The New York Times.

Nowadays, millions of smart-phones and computers are constantly gathering and sending out information. 2 you can get digital "traffic jams". Meanwhile, users are expecting faster and faster service.

Google found that if one website is 250 milliseconds slower than another website ,then people will visit it less often. 3 Google said people do expect different things from different websites because they realize not all loading times are the same. For example ,a person will be more patient waiting for a video clip to load than for a search result.

Even so, four out of five online users will click away if a video takes too long to load. This makes “difficult for video websites to choose between the quality of pictures and fast loading times.

Pursuing a higher speed has always been part of the history of the Internet.

In the 1990s,when the World Wide Web first started to become popular, 4 people called it the "World Wide Wait". But engineers managed to fight the problem with new inventions. They laid a lot of fiber optic cables for high-speed transmissions , they improved software so it would work more smoothly; they placed computer servers all around the world to be nearer to users; all this increased speed.

Nowadays we can enjoy much faster Internet ._ 5 But they will need to keep fighting to keep up with the developing demands of internet users.

A. internet is becoming faster and faster.

B. With so many people downloading maps, sports videos, news and restaurant recommendations,

C. Major search engines such as Google and Microsoft's Bing usually find search results in less than a second.

D. We can not expect a faster speed about the internet.

E. This is why technology companies are now competing to be the fastest.

F. How long are you willing to wait for a webpage to open before you start to lose your patience?

G it was very crowded and slow;

【答案】

【1】F

【2】B

【3】E

【4】G

【5】C

【解析】

试题分析:本文介绍网络的发展情况。目前,主要的搜索引擎,如谷歌和微软的必应(bing)通常在不到一秒就找到搜索结果。

【1】F根据后面的问句:半分钟?几秒钟?可知前面是一个问句:How long…?做某事需要多长时间?故选F。

【2】B根据上句:目前,几百万手机和电脑在连续不断地收集和发送信息。因此可知下句在说:有这么多人下载地图、运动视频、新闻和餐厅推荐,你可以得到数字的“交通堵塞”。故选B。

【3】E根据上句:谷歌发现如果一个网比另一个网慢250毫秒,很少人将访问它。故选E。

【4】G根据上半句:在二十世纪九十年代,当万维网第一次开始变得流行时,因此可知后半句是:这是非常拥挤和缓慢。故选G。

【5】C根据上句:目前我们能享受更快乐的网络。可知下句应该表达的是:主要的搜索引擎,如谷歌和微软的必应(bing)通常在不到一秒就找到搜索结果。故选C。

练习册系列答案
相关题目

【题目】阅读下列短文,从每题所给的四个选项(A、B、C和D)中选出最佳选项。

At the middle school level,there are many academic clubs in which students can participate. Students can choose clubs that focus on an area of interest.

Mathcounts Club

Mathcounts tries to increase excitement towards mathematic achievement. It hopes to provide students with the foundation for success in science,technology,engineering and mathematics careers. Schools select individuals and teams to participate in competitions. Local competitions are held in February with winners progressing to state competitions and then on to the national level. Mathcounts works to challenge students' math skills,develop selfconfidence and give rewards for their achievements.

Envirothon

The Envirothon program focuses on natural resources knowledge and exposes students to diverse environmental issues,and ecosystems(生态学).The ecology field competition for fivemember middle school teams offers competitions in wildlife,soil,forestry,and current environmental issues. Students work and learn in middle school clubs and can compete at the local and state level.

Future Problem Solvers

Future Problem Solvers is an academic club that uses a sixstep process to solve problems that may happen in the future. Students who are in the talented and gifted program,who like to think out of the box,or who enjoy thinking about futuristic problems may like this club. Teams made up of four students read future scenes and write up solutions in a booklet using the sixstep process. Teams that score high enough can go to the state competition and then to the international competition.

Builders Club

Builders Club is open to any middle school student who wishes to perform community service. Each Builders Club is cosponsored by a Kiwanis club and a middle school. The members learn by doing,and they learn organization,teamwork,and leadership. Builders Clubs can sponsor a Teacher of the Year program,provide a recycling collection point,organize canned food and clothing to support local shelters.

Middle school academic clubs offer students a place to explore interests or talents. The clubs they join in middle school can help guide choices in high school and beyond.

【1】Students choosing Mathcounts Club could ________.

A.get help in science careers

B.enjoy solving future problems

C.perform community service

D.study wildlife and soil

【2】If you enjoy thinking about futuristic problems,________ is a good choice for you.

A.Mathcounts Club

B.Builders Club

C.Future Problem Solvers

D.Envirothon

【3】The students who are not interested in competitions would like to choose ________.

A.Mathcounts Club

B.Builders Club

C.Future Problem Solvers

D.Envirothon

【4】What is the common feature of the four clubs?

A.Competitions.

B.Leadership.

C.Scientific researches.

D.Exploration of talents.

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网