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题型:阅读理解-阅读单选 难度:0.65 引用次数:112 题号:18159574

School had just started in August when Conner began throwing up for no reason. It wasn’t long before the boy also began suffering terrible headaches. In February a 1.7-inch tumor (肿瘤) was found in his brain and Conner was set to begin to receive radiation (放射疗法) treatments. Before treatments start, technicians make a white plastic mask to keep patients immovable and protect unaffected parts of the brain while radiation is directed at the tumor.

It’s an unpleasant experience and a frightening time. The doctor Cook decided that the masks could at least be made to look like something fun — maybe Batman or Mickey Mouse. “I started thinking these masks are white and not fun at all for kids,” she told The Greenville News. “I felt like if we could make it a little more fun for them, they might be a little more excited about coming in for the treatment. Because the kids are afraid. While the treatment itself isn’t physically painful, it can cause a lot of anxiety. And the treatment is required daily for up to six weeks.” And the masks really make a difference. “The kids really like them because they get to choose something themselves.” Cook said.

When new children come in for the treatment, Cook finds out what their favorite movies or cartoon characters are. Then she sets about creating the mask by drawing the image she wants onto paper, sticking it with glue, and once it’s dry, she applies the colors using paints. Each child can take the mask home once the treatment ends.

“Coming to the doctor always means fear and pain. I wanted to make it fun,” she said. “The kids really love it. It’s something they enjoy and can relate to. And it fills an interest I have. I get great pleasure from it.”

1. Why was the plastic mask used according to Paragraph 1?
A.To check the patient’s brain.
B.To reduce the patient’s headache.
C.To protect the patient’s brain during the treatment.
D.To prevent the patient from throwing up.
2. What can we know about the radiation treatment?
A.It can be received at home.
B.It may make the patients feel anxious.
C.It has to be finished in a month.
D.It will cause huge physical pain for patients.
3. What does Cook do to help the children being treated?
A.Make the masks more interesting to kids.
B.Show them their favorite movies or TV shows.
C.Dress them up as cartoon characters.
D.Offer them some free masks as gifts.
4. What does the author want to show by telling this story?
A.Health matters to everyone.
B.Creativity leads to success.
C.Love can treat the terrible sickness.
D.Kindness can bring warmth and joy.

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阅读理解-阅读单选(约380词) | 适中 (0.65)
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文章大意:这是一篇说明文。主要介绍了安卓手机可收到地震预警的功能。

【推荐1】Android phones will be used to sense earthquakes around the world and may one day be able to provide global warnings, with the first mass alert system coming into use on August 11 in California, a search engine company announced.

The company, which helped develop Android, worked with California and the United States Geological Survey to build the quake alerts into all phones that run the common mobile operating system. Android users who have enabled location services and are near a quake of magnitude 4.5 or greater will receive a full-screen earthquake warning telling them to seek cover. The screen also will provide estimates of the quake’s magnitude and distance from the user. Depending on their distance from a quake, people could get several seconds or perhaps a minute of warning.

Users won’t need to download California’s MyShake app in order to receive the alerts. That application, developed by the University of California, Berkeley and launched last year, has been downloaded by only about 1 million of California’s 40 million residents. By contrast, many millions of people own Android phones.

“This announcement means that California’s world-class earthquake early warning system will be a standard function on every Android phone—giving millions of people precious seconds to seek cover when the big one hits,” Gov Gavin Newsom said. The iPhone users won’t receive the alerts through Apple’s operating system, but they can download the MyShake app.

Also, the company announced that Android phones would begin detecting earthquakes from around the world through their motion-sensing accelerometers. “Your Android phone can be a mini-seismometer(微型地震仪), joining millions of other Android phones there to form the world’s largest earthquake detection network,” according to the company. More than 2 billion devices run the Android operating system. Hundreds of millions of people live in earthquake-prone areas. But many countries lack the resources to build detection and alert systems, the company said. The information will be used at first to provide fast and accurate information on the search engine. But the company said it could begin sending out earthquake alerts next year.

1. If an earthquake hits the US, who won`t receive the earthquake warning?
A.Android users who haven’t downloaded the MyShake app.
B.The iPhone users who have downloaded the MyShake app.
C.Android users who have downloaded the MyShake app.
D.The iPhone users who haven`t downloaded the MyShake app.
2. What can we learn from the text?
A.The earthquake early warning system will be of great help.
B.The company has sent out earthquake alerts since last year.
C.Millions of people have downloaded the MyShake app.
D.Over 2 billion devices run the Apple operating system.
3. What will globalize the earthquake detection network?
A.New technology developed by the company.B.The large number of Android phone users.
C.The newly developed MyShake app.D.Motion-sensing accelerometers.
4. What is the author`s purpose of writing the text?
A.To promote Android phones.
B.To share a new MyShake app.
C.To introduce a new function of Android phones.
D.To make a search engine company known to the world.
2023-06-18更新 | 82次组卷
阅读理解-阅读单选(约350词) | 适中 (0.65)
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【推荐2】Chinese physicists say they have built a quantum computer one trillion times faster than the most powerful computer, with potential for some real-life applications. The researchers said their Jiuzhang prototype quantum computer took a little over three minutes to complete a task that the world's fastest conventional machine would not be able to complete in 600 million years.

The Jiuzhang used light particles called photons to perform calculations. The photons must be generated in their purest possible form, because even a small physical discrepancy could lead to errors. And they must be produced one after another, a technical challenge that pushes optical precision to the limit.

“It is easy for us to have one sip of water each time, but it is difficult to drink just a water molecule each time,” said Pan, a lead scientist in China's national quantum research programme with the University of Science and Technology of China in Hefei, Anhui province.

Quantum computers rely on some counter-intuitive physics of the subatomic world, and are extremely fragile and difficult to maintain. However, conventional computers struggle to cope with problems that involve uncertainty, such as predicting the rise and fall of the stock market, tracing the origin of a new-found virus, or guessing a bank account password. The Jiuzhang was built to find clues in this kind of chaos. For instance, a database may contain many smaller data sets, some of which could have an unknown relation to the other. The Jiuzhang could quickly find out which data sets were related, a daunting task to traditional computers if the database contained a large amount of random information.

This unique calculation capability has a wide range of potential applications such as data mining, bioinformatics and finance, according to the researchers. However, it cannot be used immediately in real-life applications at present. It will need to work with a programmable chip to perform various calculations, so your bank accounts are still safe.

1. What can we know about Jiuzhang?
A.It is faster than any conventional computer.B.It has found various applications in real life.
C.It needs to use water molecules for calculation.D.It has little requirement for the purity of photons.
2. What is the advantage of quantum computers?
A.It can keep working in a stable manner.
B.It is good at dealing with problems about prediction.
C.It depends on physic rules that are easy to understand.
D.It can find relevance in chaotic and random information quickly.
3. In which situation are we most likely to use quantum computer?
A.Collecting traffic data.B.Forecasting weather.
C.Writing poems for loved ones.D.Calculating the distance between two cities.
4. What is the main idea of this passage?
A.China claims the lead in quantum computing in the world with Jiuzhang.
B.Quantum computing is becoming an area of study with great potentials.
C.Chinese scientists built Jiuzhang, a super powerful calculating machine.
D.China’s new quantum computer has outperformed all traditional computers.
2021-06-08更新 | 147次组卷
阅读理解-阅读单选(约330词) | 适中 (0.65)
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文章大意:本文是一篇说明文。讲述的是工程师们推出了一个巨大的垃圾收集装置,以收集漂浮在加利福尼亚和夏威夷之间的太平洋上的塑料材料,但是也有人提出这一装置仍然存在着一定的问题。

【推荐3】Engineers have launched a huge garbage collection device to gather plastic material floating in the Pacific Ocean between California and Hawaii.

The plastic makes up what is called the Great Pacific Garbage Patch. It is the world’s largest spread of garbage, at twice the size of the state of Texas.

The organization Ocean Cleanup created the collection device, whose founder is Boyan Slat, a 24-year-old inventor from the Netherlands.

Slat was just 16 years old when he was moved to clean up the oceans. Last Saturday, a ship pulling the pipe-shaped floating barrier left San Francisco for the Garbage Patch. The barrier, called the floater, is 600 meters across. Attached to it is a screening skirt that hangs three meters down in the water.

The screen is designed to collect the plastic as it moves through the water. Sea animals can safely swim under the barrier.

The cleanup system also comes with lights powered by the sun, cameras, and other special devices. So the system can communicate its position at all times. That way a support ship can find it every few months to remove the plastic it has collected.

“The free-floating barriers are made to survive extreme weather conditions and damage from continue use. They will stay in the water for twenty years and in that time collect 90 percent of the garbage in the patch,” Slat added.

George Leonard is the chief scientist. He expressed concern about the cleaning project. He said even if plastic garbage can be taken out of the oceans, more continues to enter the water each year. He also raised concern that animals might be captured by the net hung below the surface.

But, Boyan Slat said he did not think that would happen. The system will act as a “big boat that stands still in the water”, with nothing for sea creatures to get caught in.

1. Why was a screen attached to the ship?
A.To gather plastic.B.To catch see animals.
C.To protect the floater.D.To give the floater power.
2. What does the underlined word “it” in paragraph 4 refer to?
A.The support ship.B.The floating barrier.
C.The plastic to be recycled.D.The position of special devices.
3. What is not the advantage of the cleanup system?
A.It’s easy to locate.B.It is not affected by bad weather.
C.It can last and work for a long time.D.It’s popular with people.
4. What is the best title for the passage?
A.A young inventor from Netherlands.B.The Great Pacific Garbage Patch.
C.Approaches to removing garbage in oceans.D.A huge garbage collection device.
2022-12-02更新 | 136次组卷
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