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题型:阅读理解-阅读单选 难度:0.65 引用次数:139 题号:10446768

Algorithms (算法) affect nearly every part of a person's experience on the Internet. Search engines are most people' s entry to the Internet.If a person wants to find information about something, they usually start with a search bar.As soon as they start typing or choosing links,the algorithm starts gathering data about every choice users make and uses that data to try to find the websites or information that most directly relate to what the user is looking for.

The problem with algorithm is that they can limit the kinds of information people see,says MacMillan,a reading researcher with Project Information Literacy (能力). He argues this can be harmful to people's critical thinking and lead them to believe that only one point of view is correct.

Companies also pay to post advertisements for products that could relate to users' search data. For example,if you search for places to take a vacation,you will likely start to see ads for travel companies, flights or hotels.

Renee Hobbs, director of the Media Education Lab at the University of Rhode Island, however, argues that algorithms are not all bad. She says search engine algorithms can help you find what might be the most useful information faster. But she says it is in the interests of Internet companies to keep users on the Internet for as long as possible so they see more ads.

The current generation of young people grow up using the Internet and they are prone(易于遭受) to distrustful information.That is why schools must train students how to use the Internet more wisely in their Studies.It is the duty of education to keep students informed about the world around them. Yet it is not the duty of education alone. And lawmakers should consider increasing data protection rules. Individuals can also use a wide variety of websites to avoid algorithmic controls.

1. How do algorithms affect users' Internet experience?
A.They lead to slower Internet connection.
B.They block ads for users automatically.
C.They always help users get reliable links.
D.They determine the content users receive.
2. What is Hobbs' attitude to algorithms?
A.Doubtful.B.Supportive.
C.Objective.D.Indifferent.
3. What can be concluded from the last paragraph?
A.Young people fall victim to the Internet.
B.Data protection rules are already enough.
C.Education is fully responsible for algorithmic controls.
D.Joint efforts are needed to handle algorithmic controls.
4. Which column of a magazine is the text most likely from?
A.Science.B.Entertainment.
C.Advertisement.D.Fashion.

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阅读理解-阅读单选(约330词) | 适中 (0.65)

【推荐1】There is a lot of talk about “brain power.” You don’t usually hear about stomach power. As it turns out, the stomach might also be very powerful with a new electronic pill inside it. The new electronic pill, equipped with a Wi-Fi transmitter, is swallowed and can harvest energy from inside a person’s own stomach to record core(核心)body temperature and then send the health data to an outside monitor.

The model can power itself for nearly a week—much longer than current absorbable devices, which are placed inside the body and only can share health information for less than an hour. “To make the device work even longer, and see if the stomach’s acid could power the device, we used tiny pieces of copper and zinc for experiments.” said Philip Nadeau, an electrical engineer who designed the device together.

The Wi-Fi devices fit inside a capsule but unfold when they hit the stomach and deliver drugs for long periods of time before they break down and pass through the body. This Wi-Fi pill could lead to fresh opportunities for drug delivery or real-time health monitoring from inside organs, said Giovanni Traverso, a doctor and biomedical engineer at Brigham and Women’s Hospital in Boston, who c0-led a study of the pill published recently in Nature Biomedical Engineering.

Despite our many medical advances, we’re pretty bad at measuring core body temperature. A recent study of 8,600 patients found that thermometer(温度计)readings from the mouth or skin did a lousy job of measuring core temperature. Getting an accurate temperature is important.

Traverso and Nadeau are also aiming to shrink(缩小)the pill to the size of a tablet. “Temperature tracking is just the first of many ways the medical community can use the device.” Traverse thinks.

1. What is WRONG about the Wi-Fi pill?
A.The Wi-Fi device is powered by itself.
B.The pill can send health data to the doctor.
C.Nadeau is the first one to design the pill.
D.The pill can help monitor patients’ health.
2. What does the underlined word “lousy” in Paragraph 4 probably mean?
A.Accurate.B.Unimportant.
C.Terrible.D.Traditional.
3. What is the Traverso’s attitude to the future of the Wi-Fi pill?
A.Pessimistic.B.Unconcerned.
C.Worried.D.Optimistic.
4. What can we infer from the last paragraph?
A.The Wi-Fi pill is too big for the patients to swallow.
B.The pill may help those with other diseases in the future.
C.Body temperature is the only one use for the Wi-Fi pill.
D.The pill has been used in many ways in medical field.
2018-03-17更新 | 90次组卷
阅读理解-阅读单选(约390词) | 适中 (0.65)
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【推荐2】The Digital Revolution, also known as the Third Industrial Revolution, is the shift from mechanical and analogue electronic technology to digital electronics which began anywhere from the late 1950s to the late 1970s. Central to this revolution is the mass production and widespread use of digital logic circuits, and its derived technologies. These technological innovations have transformed traditional production and business techniques.

1980s

In developed nations, computers achieved ubiquity during the 1980s as they made their way into schools, homes, business, and industry. Automated teller machines, industrial robots, CGI in film and television, electronic music, bulletin board systems, and video games all fueled what became the zeitgeist of the 1980s. Millions of people purchased home computers, making household names of early personal computer manufacturers such as Apple, Commodore, and Tandy. To this day the Commodore 64 is often cited as the best selling computer of all time, having sold 17 million units (by some accounts) between 1982 and 1994.

1990s

The first public digital HDTV broadcast was of the 1990 World Cup that June; it was played in 10 theaters in Spain and Italy. However HDTV did not become a standard until the mid-2000s outside Japan.

The World Wide Web became publicly accessible in 1991, which had been available only to government and universities. In 1993 Marc Andreessen and Eric Bina introduced Mosaic, the first web browser capable of displaying inline images and the basis for later browsers such as Netscape Navigator and Internet Explorer. Stanford Federal Credit Union was the first financial institution to offer online internet banking services to all of its members in October 1994.

2000s

Cell phones became as ubiquitous as computers by the early 2000s, with movie theaters beginning to show ads telling people to silence their phones. They also became much more advanced than phones of the 1990s, most of which only took calls or at most allowed for the playing of simple games.

2010s

By 2012, over 2 billion people used the Internet, twice the number using it in 2007. Cloud computing had entered the mainstream by the early 2010s. By 2015, tablet computers and smart phones were expected to exceed personal computers in Internet usage. By 2016, half of the world's population was connected.

1. According to the passage, which one of the following statements is true?
A.The digital revolution only focuses on the mass production.
B.The World Wide Web became available to government and universities in 1991.
C.Phones of the 1990s merely made calls.
D.The number of people using the Internet in 2007 is approximately 1 billion.
2. What does the underlined word in Paragraph Two refer to?
A.Wide existence.B.Abrupt disappearance.
C.Quick movement.D.Abundant amount.
3. How does the writer develop the whole passage?
A.By presenting times.B.By making comparisons.
C.By listing data.D.By drawing conclusions.
4. What is the best title for this passage?
A.The Traditional ProductionB.The Digital Revolution
C.The Connected PopulationD.The World Wide Web
2019-05-22更新 | 79次组卷
阅读理解-阅读单选(约400词) | 适中 (0.65)
【推荐3】The rise of the Internet has been one of the most transformative developments in human history, comparable in impact to the invention of the printing press and the telegraph. Over two billion people worldwide now have access to vastly more information than ever before, and can communicate with each other instantly, often using Web-connected mobile devices they carry everywhere. But the Internet’s tremendous impact has only just begun.
“Mass adoption of the Internet is driving one of the most exciting social, cultural, and political transformations in history, and unlike earlier periods of change, this time the effects are fully global,” Schmidt and Cohen write in their new book The New Digital Age.
Perhaps the most profound changes will come when the five billion people worldwide who currently lack Internet access get online. The authors do an excellent job of examining the implications of the Internet revolution for individuals, governments, and institutions like the news media. But if the book has one major shortcoming, it’s that authors don’t spend enough time applying a critical eye to the role of Internet businesses in these sweeping changes.
In their book, the authors provide the most authoritative volume to date that describes — and more importantly predicts — how the Internet will shape our lives in the coming decades. They paint a picture of a world in which individuals, companies, institutions, and governments must deal with two realities, one physical, and one virtual.
At the core of the book is the idea that “technology is neutral, but people aren’t.” By using this concept as a starting point, the authors aim to move beyond the now familiar optimist vs. pessimist dichotomy (对立观点) that has characterized many recent debates about whether the rise of the Internet will ultimately be good or bad for society. In an interview with TIME earlier this week, Cohen said although he and his co-author are optimistic about many aspects of the Internet, they’re also realistic about the risks and dangers that lie ahead when the next five billion people come online, particularly with respect to personal privacy and state surveillance(监视).
1. In what way is the rise of the Internet similar to the invention of the printing press and the telegraph?
A.It transforms human history.
B.It revolutionizes people's thinking.
C.It is adopted by all human beings.
D.It makes daily communication easy.
2. In what respect is the book The New Digital Age considered inadequate?
A.It lacks an objective evaluation of the role of Internet businesses
B.It fails to look into the social implications of the Internet.
C.It fails to recognize the impact of the Internet technology.
D.It does not address the technical aspects of Internet communication.
3. What will the future be like when everybody gets online?
A.People don’t have to travel to see the world.
B.People will have equal access to information.
C.People will be living in two different realities.
D.People don’t have to communicate face to face.
4. What does the passage say about the authors of The New Digital Age?
A.They leave many questions unanswered concerning the Internet.
B.They don’t take sides in analyzing the effects of the Internet.
C.They have explored the unknown territories of the virtual world.
D.They are optimistic about the future of the Internet revolution.
2016-12-12更新 | 98次组卷
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