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题型:阅读理解-阅读单选 难度:0.65 引用次数:54 题号:8453109

The study on facial recognition technology (FRT) began in the late 1960s. In the late 1990s, FRT began to enter the market gradually but its accuracy had a long way to go though it cost governments a lot, which made it unpopular at that time. FRT attracted wide attention after September,11, 2001 and it has been widely used now.

Recognizing the potential abuse in the use of FRT, Microsoft is asking the U. S. government to study facial recognition (FR) and keep a dose watch over its use. Personally, I hold this is a positive job that Microsoft is doing. FRT has grown to be so powerful. It can be used to identify people in photos, video feeds,and of course in person, without their permission.

Mr. Bradford Smith, Microsoft’s president, suggests that “governments around the world should examine commercial uses of FR.” The European Union (EU) is ahead of others in this aspect, thanks to its tough new data protection law, which forbids companies to gather the biometric (生物特征) data needed for facial recognition without first obtaining users, permission.

San Francisco has become the first city in the USA to forbid using facial recognition software. And Oakland discussed a similar rule last month. San Francisco has said that police and other public departments cannot use FRT. San Francisco already uses surveillance (监视) cameras for reading car number plates and police officers wear body cameras. San Francisco official Aaron Peskin said FRT was like “Big Brother” from the book 1984 by George Orwell. The phrase Big Brother is now used to describe attempts to increase surveillance and “spy” on citizens. Mr. Peskin said, “We can have good policing without being a police state.”

1. Why was FRT unpopular in the 1990s?
A.It was inconvenient to use.B.It was expensive to produce.
C.Its accuracy needed improving.D.Its roles weren’t fully found out.
2. What is the author’s attitude to Microsoft’s advice on the management of FRT?
A.He says yes to it.B.He is doubtful of it.
C.He feels worried about it.D.He can’t understand it.
3. Who has done the most work to make people use FRT in a right way?
A.San Francisco.B.Microsoft.
C.Oakland.D.The EU.
4. What would be the best title for the text?
A.Big Brother TechnologyB.Different Uses of FRT
C.Strong Protection of FRTD.FR Data’s Disadvantages

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【推荐1】Can a small group of drones (无人机) guarantee the safety and reliability of railways and, at the same time, help railway operators save billions of euros each year? That is the very likely future of applying today’s “eyes in the sky” technology to making sure that the millions of kilometres of rail tracks and infrastructure (基础设施) worldwide are safe for trains on a 24/7 basis.

Drones are already being used to examine high-tension electrical lines. They could do precisely the same thing to inspect railway lines and other vital aspects of rail infrastructure such as the correct position of railway tracks and switching points. The more regularly they can be inspected, the more railway safety, reliability and on-time performance will be improved. Costs would be cut and operations would be more efficient (高效) across the board.

That includes huge savings in maintenance costs and better protection of railway personnel safety. It is calculated that European railways alone spend approximately 20 billion euros a year on maintenance, including sending maintenance staff, often at night, to inspect and repair the rail infrastructure. That can be dangerous work that could be avoided with drones assisting the crews’ efforts.

By using the latest technologies, drones could also start providing higher-value services for railways, detecting faults in the rail or switches, before they can cause any safety problems. To perform these tasks, drones for rail don’t need to be flying overhead. Engineers are now working on a new concept: the rail drones of the future. They will be moving on the track ahead of the train, and programmed to run autonomously. Very small drones with advanced sensors and AI and travelling ahead of the train could guide it like a co-pilot. With their ability to see ahead, they could signal any problem, so that fast-moving trains would be able to react in time.

1. Which of the following statements is true?
A.The frequency of drones has nothing with railway safety.
B.Maintenance and design costs can be hugely reduced by using drones.
C.Drones cannot offer protection to the rail crews.
D.Drones will be able to provide early warnings.
2. What does “that” underlined in paragraph 3 refer to?
A.The drones.B.The costs..
C.The operations.D.The savings.
3. What’s the author’s attitude towards the future of the rail drones?
A.Indifferent.B.Negative.C.Positive.D.Not mentioned.
4. Which is the most suitable title for the text?
A.How Drones Will Change the Future of Railways
B.How Production of Drones Can Be Expanded
C.What Difficulty Drone Development Will Face
D.What Faults Can Be Detected with Drones
2023-08-09更新 | 73次组卷
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文章大意:本文是一篇说明文。文章介绍的是一款绿色能源——沙子电池。

【推荐2】Heat is the biggest end use for energy all over the world. It’s also critically important for survival in a country like Finland where the winter is long, cold and dark. And the recent move by Russia to cut off supplies of gas and electricity in response to Finland joining NATO has caused concern.

There is good news, however, that the world’s fully first working sand battery has been installed in Finland. It is a device which can store sustainably produced heat for months at a time and can be used to keep homes warm in winter. That’s why the new technology was developed by researchers there. Researchers believe it can solve the country’s year-round crisis in power supply, which is a significant issue for green energy.

The sand battery was installed in the Vatajankoski power plant that runs the heating system for the houses in the area. It works by heating the sand, circulating the heat generated in the sand using a heat exchanger. Researchers used low-grade sand to charge the devices with heat from cheap electricity coming from either solar or wind energy. The sand battery can store energy and heat up to 500 degrees Celsius. which can be used to warm homes during winter when electricity is more expensive.

It is a cost-effective method because when the battery releases the hot air, it warms the water for the district heating system that is pumped around homes, offices, and the local swimming pool. Sand is an ideal material because it is cheap and readily available everywhere. While other inexpensive items like water can store heat, sand can be heated to much higher temperatures. The sand used is of the lowest quality so it cannot be used in construction thus making it a sustainable choice. Besides, sand-based batteries last longer than other batteries. According to a study, researchers obtained silicon using sand to create a battery that lasts three times longer than lithium-ion(锂离子) batteries.

“This innovation is a part of the smart and green energy transition. Heat storage systems can significantly help to increase intermittent (间歇性的) renewables in the electrical network,” said Markku Ylönen, cofounder of Polar Night Energy. “At the same time, we can make full use of the heat waste to keep the city warm.”

1. Why did researchers install sand battery in Finland?
A.Because Finland is in desperate need of it owing to the climate.
B.Because people there can use it to keep warm in summer.
C.Because Russia cut off supplies of gas and electricity there.
D.Because sand in Finland can generate a great deal of solar power.
2. How does the sand battery work?
A.It generates electricity with seawater.B.It stores heat from green energy.
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3. Sand is used in this new technology mainly because ________.
A.other material can’t store heatB.it is thrown everywhere
C.it is a kind of unsustainable resourceD.it is inexpensive
4. What’s Markku Ylönen’s attitude towards the battery?
A.Indifferent.B.Negative.C.Positive.D.Neutral.
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"When I first got my iPad, I was attracted by all the apps on it,"she told TFK."It wasn't long before I wanted to create my own."

She built her first two apps with her younger sister in mind.Smartkins Animals helps children know more than 100 animals and their sounds.Smartkins Rainbow Colors teaches kids colors. Each app has been downloaded thousands of times.

Anvitha's skills won her an award to attend a big tech conference hosted by Apple in San Francisco,California There,she got tips from so many smart people.She went to workshops where she learned about the latest software(软件)for app building.

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1. What can we learn from the text?
A.Anvitha has created educational apps.
B.Anvitha won an award for practicing piano.
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D.Educational apps are very popular among parents.
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A.YouTube videos.B.Her younger sister.
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A.They teach kids to paint.
B.They teach kids to keep pets.
C.They help kids to invent instruments.
D.They help kids learn while having fun.
4. What's the general meaning of what Anvitha says in the last paragraph?
A.Kids should keep having a beautiful dream.
B.Kids mastering technology must change the world.
C.Work hard and you'll have a better life in the future.
D.Children had better get training in technology as early as possible.
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