组卷网 > 高中英语综合库 > 主题 > 人与社会 > 科普与现代技术 > 信息技术
题型:阅读理解-阅读单选 难度:0.4 引用次数:472 题号:12380091

The Google Brain team has been working on computing systems called “neural networks”—systems that were designed based on how neurons work in the human brain.

This time, they gave a mission to three of the neural networks, which they named Alice, Bob and Eve. Each of the networks had its own job—Alice sent messages to Bob, Eve tried to “eavesdrop”(偷听) and find out the messages, and Alice and Bob had to figure out a way to hide the messages from Eve. All the help that Alice and Bob got from the researchers before the mission began was made up of a set of numbers, which Eve didn’t have access                    to.

At first, Alice was not very good at sending secret messages. But slowly it worked on a way to encrypt(加密) them—putting information into a special code so that others could not understand it if they got the information—using he numbers given by researchers. And after practice, Bob also came to be able to decrypt(解密) Alice’s messages. Without the numbers or keys, Eve failed to understand Alice’s “speech” most of the time.

This test is considered a big step in the development of computers’ learning skills. “Computing with neural networks on this scale has only become possible in the last few years, so we truly are at the beginning of what’s possible, ” Joe Sturonas of US encryption company PKWARE told New Scientist magazine.

Unfortunately, the test happened only one week after UK physicist Stephen Hawking, While speaking at Cambridge University, warned how AI(artificial intelligence)could develop a will of its own. This could be “either the best or the worst thing ever to happen to human being”, he said.

But just as Sturonas pointed out, no matter what the possibilities of computers are in the future, they are just starting out. We still have plenty of time to work out a solution before they get anywhere near becoming a threat to humanity.

1. For what purpose was the test conducted?
A.To study how neurons work in the human brain.
B.To study how computing systems work and learn.
C.To find out a more effective way to keep secrets.
D.To find out a more powerful way to break the codes.
2. How does the computing system work in the test?
A.encrypting—messages—code—messages—decrypting
B.messages—encrypting—code—decrypting—messages
C.code—messages—encrypt—decrypting—messages
D.messages—code—decrypting—encrypting—messages
3. What can we learn from Hawking’s warning?
A.AI must be a blessing.B.AI should be forbidden.
C.AI is sure to be a failure.D.AI is a double-edged sword.
4. What’s Sturonas attitude towards the development of AI?
A.Hopeful.B.Doubtful.
C.Puzzled.D.Panicked.

相似题推荐

阅读理解-阅读单选(约390词) | 较难 (0.4)

【推荐1】From quiet paths by a stream in a forest to busy roads running through a city, people have created various forms of routes in different places. These now exist all around us, and their use is imperative for societies. These routes have enabled people to move, transport things, and send information from one place to another quickly and safely. Throughout history, they have been important in our daily lives.

Early routes were often formed naturally on land. They gradually developed over long periods of time while people traveled them on foot or horseback. A significant turning point in their history arrived when the first wheeled carts appeared in ancient times. Once this happened, people recognized the importance of well-maintained routes. Therefore, towns, cities, and entire countries improved them. As a result, life became more convenient, communities grew, economies evolved, and cultures expanded.

People have established routes on water, too. Rivers and canals have served as effective routes for people to move around and carry things. For instance, in the old, Japanese city of Edo, water routes were used for the transportation of agricultural products, seafood, and wood. People have also opened routes across the sea. The seaways were critical for the navigation of ships, particularly in the days when they moved mainly by wind power. Using these sea routes, people could travel great distances, and go to places they had not previously been able to reach.

People have gone on to open routes in the sky as well. Since the invention of the airplane, they have made it possible to travel long distances easily. Eventually, people became able to travel safely and comfortably high in the sky, and going vast distances only took a small amount of time.

Today, we have a new type of route, the Internet. By using this worldwide route, people can easily obtain information that once was available mainly from books and face-to-face communication. They can also instantly send messages to large numbers of people all at once.

As long as there have been people, there have been routes to connect them. Currently unknown routes will surely take us even further in the future.

1. Which of the following is closest to the meaning of the underlined word imperative in paragraph 1?
A.accidentalB.industrial
C.essentialD.traditional
2. Why is the example of Edo introduced in paragraph 3?
A.To describe the difficulty of creating routes on the water.
B.To emphasize the fact that it was an important city.
C.To explain the use of water routes to move along the coastlines.
D.To illustrate the important roles of water routes for cities.
3. What does paragraph 5 tell us about routes?
A.Routes can be thought of as existing invisibly in the world.
B.Routes that move information can be regarded as dangerous.
C.The fundamental functions of routes are declining.
D.The importance of different kinds of routes is the same.
4. What is the main idea of this article?
A.Humankind first created various types of convenient routes on land.
B.Improvements in transportation have come at great cost.
C.Technology has interfered with opening up routes around the world.
D.The advancement of humanity was aided by the development of routes.
2019-12-13更新 | 195次组卷
阅读理解-阅读单选(约440词) | 较难 (0.4)
名校

【推荐2】As I enter my 40s, I’ve noticed many of my parents’ generation think social networking is something they are simply unable to understand. They fear that, should they try, they will somehow get it wrong; they will say the wrong thing, do the wrong thing or behave in a way that causes embarrassment. But there are some secrets of social media for them to consider.

Here’s the first secret: everyone feels this way. I recently met a young actor who was complaining that her work demands that she join Microblog, but she always feels like she doesn’t have anything smart to say. It’s the same resistance (抵制). I hear from the older generation, who, however, have somehow believed that age is the barrier (障碍), rather than the differences of personal taste.

Here’s the second secret: everybody uses it for more or less the same reasons. Older generations often sign up to stay in touch with children and relatives. We talk about this kind of communication like it’s some old-fashioned activity, but it is exactly why younger people use social media. The truth is that most people use social media to gently keep an eye on one another, to see how those they care about are doing without needing to ring them up on the phone every night.

And this is the last secret: everyone gets to use them in their own way. Newcomers—younger and older—who worry about “getting it right” are thinking that there’s a right way to get them. But actually there isn’t. Personally, I talk a lot on Microblog. And some people post nothing and they use social media every day as readers. Social media companies would rather see people decorating their networks with pictures and posts, but there’s no rule against being a fly on the wall. It’s also a fine way to get involved.

Were quick to forget that the web wasn’t invented by 13-year-olds; it was created by today’s seniors. I’d never try forcing those with no interest in social networks to use Microblog. But don’t let the talk of age divides put you off. There’s nothing to stop the older generation from joining in the network their own generation created.

1. What’s the author’s purpose of writing this passage?
A.To share with us his personal experience using social media.
B.To explain why the old generation don’t use social media.
C.To free the old generation from fearing using social media.
D.To tell us a few secrets of social media that he discovered.
2. The expression “a fly on the wall” in the 4th paragraph refers to            .
A.people who prefer reading online books
B.people who cause trouble to others
C.people who post many fancy pictures
D.people who simply observe others’ posts
3. According to the author, which is a reason for old people’s fear using social media?
A.They believe they may be trapped in embarrassing situations.
B.They have no particular interest in social networking.
C.They prefer staying in touch with relatives in real life.
D.They have no idea which contents to post online.
4. Which of the following may best describe the structure of this passage?
A.B.
C.D.
2019-03-05更新 | 129次组卷
阅读理解-七选五(约220词) | 较难 (0.4)
名校

【推荐3】People around the world used their computers to buy goods,communicate with others,listen to music,see pictures and learn about different places and ideas.In 2006,more people around the world used new ways to communicate and connect with each other through the Internet.    1    Blog is a short way of saying Web log.Through these personal websites,people can share their experiences,ideas and opinions with anyone on the Internet.People of all ages have their own blogs.For young people,they are a way to show their writings and other forms of self-expression.    2    These sites include “MySpace”,used mainly by teenagers and young adults.MySpace is an online community that lets people share messages and pictures with an increasing number of friends.    3    YouTube is another Internet site that became more popular this year.This website lets anyone create,share and watch short videos.People can watch almost anything on YouTube:news,sports and entertainment events.    4    These include videos of people singing or dancing,or animals doing funny things.Three young men created YouTube almost two years ago as a personal video sharing service.They recently sold it to Google for more than one half billon dollars.Games and entertainment also became a larger part of the Internet this year.One Internet social site is called Second Life.    5    They get married,build homes,operate businesses,buy and sell goods,work,play and attend school.

A.The blog is one form of communication that enjoys growing popularity.
B.People of all ages use computers to express themselves.
C.It is an online world in which computer users create a new self and live a different life.
D.Many Websites offer free services to create personal Web pages and fill them with writing site on the web.
E.There are music videos,and videos made by people in their own homes.
F.More and more people are buying computers because of the lower price.
G.It is the most popular social networking site on the web.
2016-11-26更新 | 317次组卷
共计 平均难度:一般