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题型:阅读理解-阅读单选 难度:0.65 引用次数:111 题号:9981882

Chinese researchers have developed a robot designed to help doctors treat the new coronavirus (新冠病毒) and other highly contagious diseases.

The robot can perform some of the same medical examination tasks as doctors. For example, the device can perform ultrasounds, collect fluid samples from a person's mouth and listen to sounds made by a patient’s organs. Cameras record the robot’s activities, which are controlled remotely so doctors can avoid coming in close contact with infected patients. Doctors and other medical workers can operate the machine from a nearby room, or from much farther away.

The robot's main designer is Zheng Gangtie, an engineer and professor at China’s Tsinghua University in Beijing. “Doctors are all very brave,” Zheng said. “But this virus is just too contagious…We can use robots to perform the most dangerous tasks.” Zheng said a friend of his, the head of Beijing’s Tsinghua Changgung Hospital, told him that one of the biggest problems in dealing with COVID-19 was that health care workers treating patients were getting infected themselves. Zheng said he wanted to do something to help this situation. So the engineer gathered a team and went to work on the robotic device. Zheng said the team was able to convert two robotic arms. The devices use the same technology that is used for space equipment, including moon explorers. The new robot is almost completely automated, Zheng said. It can even disinfect itself after performing actions involving patient contact. However, Zheng said he had heard from some doctors that it would be better not to build such robots to be fully automatic. This is because many patients still desire a personal presence to help calm them during treatment.

The team currently has two robots and both have been tested by doctors at hospitals in Beijing. One machine was taken to Wuhan’s Union Hospital, where doctors were being trained to use it. The plan is to use the robot to help treat coronavirus patients, along with assistance from nurses and other hospital workers.

Zheng would like to build more of the robots, but said money from the university has run out. About $72,000 has been spent on each robot. He said he does not plan to commercialize the design, but hopes that a company can begin that process.

1. What can we learn from Paragraph 2?
A.The robot can record doctors’ activities.
B.The robot can carry out actions automatically.
C.The robot can assist doctors to examine patients.
D.The robot can collect samples of patients’ organs.
2. The underlined word “disinfect” in Paragraph 3 is the closest in meaning to
A.affectB.clean
C.updateD.fix
3. What can we infer about the robot according to Zheng Gangtie?
A.It is very costly to make.
B.It is highly recognized by doctors.
C.It can be purchased in the market soon.
D.It can also be used in moon exploration.
4. What is the main purpose of the text?
A.To introduce a new type of medical robot.
B.To provide guidance on treating COVID-19.
C.To describe the current condition of COVID-19.
D.To promote the commercialization of a new robot.

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文章大意:本文是一篇说明文。科学家利用人工智能Stable Diffusion和fMRI技术,对脑神经信号进行解码,帮助人们重现梦境、想象或记忆画面。

【推荐1】After waking up, you may feel frustrated that you cannot recall the dreams you had last night. Artificial Intelligence (AI) may be able to help.

Previously, there have been AI models that can turn texts into images. They do this by learning from a large amount of data from both texts and images. This time, researchers from Osaka University in Japan have trained an AI system called Stable Diffusion to recreate images directly based on people's brain scans, Science magazine reported.

The researchers used an online data set provided by the University of Minnesota, which consisted of brain scans from four participants as they each viewed a set of 10, 000 photos. The scans were recorded by functional magnetic resonance imaging (fMRI). The AI then learned about the participants' brain activities by analyzing changes in blood flow shown by the fMRI data—when a part of the brain is activated, more blood will flow to it. It then matched the brain activity with the photos. Through this method, the AI learned how human brains would react when seeing different photos. Finally, the researchers tested the AI on additional brain scans from the same participants when they viewed photos of objects.

If the person looked at an airplane, for example, the AI would use the brain scan data to create an image of a very blurry (模糊的) airplane. Then, it would turn on the previous “text-to-image” model and improve the quality of the image by feeding itself the keyword “airplane”. The final images were “convincing” to about 80 percent accuracy, according to the researchers.

The new study created a novel approach that combines texts and images to “decode the brain”. According to Ariel Goldstein from Princeton University, in the future, the technology can be used to record imagined thoughts and dreams or allow people to understand how differently other animals perceive (感知) reality.

1. What is Stable Diffusion meant to do?
A.Scan people's brains.B.Turn texts into images.
C.Use brain scans to rebuild images.D.Record relevant experimental data.
2. How did the AI learn about the participants' brain activities?
A.By analyzing changes in blood flow.B.By asking the participants questions.
C.By comparing different brain scans.D.By referring to previous AI models.
3. What can we learn from the text?
A.Dreams can hardly be forgotten by us.B.Texts and images help decode the brain.
C.People's brains are affected by fMRI.D.The AI creates clear images of objects at first.
4. What does Ariel Goldstein say about the technology?
A.It has been adopted in many countries.B.Its development is far from satisfactory.
C.It is lacking in convincing evidence.D.Its application has a great prospect.
2023-09-08更新 | 134次组卷
阅读理解-阅读单选(约400词) | 适中 (0.65)
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文章大意:本文为一篇说明文。人造肉,也被称为实验室培育肉,已获准在美国销售。本文同时介绍了该项发明的市场前景。

【推荐2】Cultivated meat, also known as lab-grown meat, has been cleared for sale in the US.Actually,Lab-grown meat is made by feeding a mix of nutrients to animal cells in steel tanks in labs. The idea is to create an alternative to agriculturally raised meat. And unlike other meat substitutes which are made from plant proteins and other ingredients, lab-grown meat is real meat.

Upside Foods and Good Meat, two companies that make “cultivated chicken”, said that they have gotten approval from the US Department of Agriculture (USDA) to start producing their cell-based proteins. Good Meat said that production is starting immediately. Cultivated meat is grown in a giant vat (缸), much like what you’d find at a beer factory.

Last week both companies revealed that the USDA approved labels for their products. In March, Good Meat received a“no questions”letter from the FDA, confirming the product’s safety for sale in the US. Upside Foods also received one in November. Both the USDA and the FDA are overseeing the growing cultivated meat market. CEO of Good Meat, Josh Tetrick, described the approval as a major milestone for the company, the industry, and the food system. Upside founder Uma Valeti called the approval “a giant step forward towards a more sustainable future”.

Good Meat, which has been selling its products in Singapore, advertises its product as “meat without slaughter (屠宰)”, a more humane approach to eating meat. Supporters hope that cultivated meat will help fight climate change by reducing the need for traditional animal agriculture, which emits greenhouse gases. The company previously announced a partnership with chef José Andrés to introduce the product to a Washington DC restaurant, although the launch time remains uncertain. As production increases, Good Meat may explore cooperation with other restaurants or supermarkets.

Upside is planning to introduce its product at Bar Crenn, a San Francisco restaurant, but did not share a launch date yet. Selling at Bar Crenn should help Upside learn more about how chefs and diners feel about the product. Eventually, the company plans to work with other restaurants and make its products available in supermarkets. For now, it is holding a contest to allow curious customers to be among the first to try the product.

1. What do Upside Foods and Good Meat have in common?
A.Both have partnerships with international chefs.
B.Both are involved in producing lab-grown meat.
C.Both declared a launch date of their cultivated meat.
D.Both received FDA approval for worldwide distribution.
2. What is the potential benefit of cultivated meat?
A.Higher safety for eating.
B.Lower costs for restaurants.
C.Improvements in traditional animal agriculture.
D.Positive impacts on climate change.
3. What can be inferred from the last paragraph?
A.Diners have access to free products from Upside.
B.Curious customers will become the main force of buying.
C.Upside will evaluate the responses of chefs and diners to its product.
D.Upside will conduct a survey among diners about their paying ability.
4. What is the text mainly about?
A.The benefits of cultivated meat.
B.The research on cultivated meat.
C.The history and processing of cultivated meat.
D.The approval and prospect of cultivated meat.
2023-10-11更新 | 82次组卷
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文章大意:这是一篇说明文文。主要介绍了美国女孩Gitanjali Rao发明的新科技涵盖各个领域,帮助解决社会问题,因此,她被《时代》杂志评选为第一位“年度少年”。

【推荐3】Most teenagers are still trying to find their passion and purpose in life. However, not Gitanjali Rao. The 15-year-old sophomore at STEM School Highlands Ranch has been coming up with innovative solutions lo worldwide problems since she was ten. It is, therefore, not surprising that the youngster was selected from 5,000 equally impressive nominees—aged 8 to 16—for TIME Magazine’s first-ever “Kid of the Year.”

The young girl, who knew she wanted to bring change and positivity to her community since 3rd grade, was just ten years old when she heard about the lead-tainted (含铅的) water in Flint, Michigan, in 2015. After spending two months researching how the area’s drinking water became polluted, Rao began designing a device called Tethys, which attaches to a cellphone and informs the resident via an APP if their drinking water contains traces of the harmful metal. The prototype (模型) earned her the Young Scientist Challenge Award in 2017. A start-up entrepreneur is working with scientists and medical professionals to test Tethys’ potential and hopes the device will be ready for commercial use by 2022.

In 2019, Rao took on another social issue—opioid addiction. The app she designed won the Pillar Prize at the Innovation Student Challenge, which helps to catch drug addiction in young adults before it’s too late. Rao said. “I wanted to come up with a way to diagnose such addiction at an early stage so you can take action earlier.”

More recently, the teenager has created another inspiring app. “I stared to hard-code (编写硬编码) in some words that could be considered bullying, and then the computer search engine took those words and identified words that are similar. You type in a word or phrase, and it’s able to pick it up if it’s bullying, and it gives you the option to edit it or send it the way it is.” Rao told editor Angelina in an interview. “The goal is not to punish. Instead, it gives you the chance to rethink what you’re saying so that you know what to do next time around.”

1. How is Gitanjali Rao different from most teenagers?
A.She is trying to find her passion and purpose in life.
B.She is a sophomore at STEM School Highlands Ranch.
C.She has put forward creative answers to worldwide problems.
D.She applied to be “Kid of the Year” of TIME Magazine.
2. What can we learn about Tethys from Paragraph 2?
A.It is a device for residents to research the drinking water.
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C.Its phone APP tells users whether the water is polluted.
D.A start-up entrepreneur has put Tethys on the market.
3. What does the underlined expression “opioid addiction” in Paragraph 3 refer to?
A.Internet addiction.B.Drug abuse.
C.App innovation.D.Health diagnosis.
4. What is the goal of the app against cyberbullying?
A.To give a punishment for bullying.B.To guide users to send proper words.
C.To withdraw bullying messages.D.To help find more accurate expressions.
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