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题型:阅读理解-阅读单选 难度:0.65 引用次数:128 题号:19672968

Each one of us shares this planet with seven billion other individuals. And we all need transportation. The majority of cars, motorcycles, boats and planes cause pollution. They are also noisy. This is a serious problem in many cities. So inventors are coming up with innovative ideas to try to reduce the pollution and noise.


By Land

In many cities around the world, motorcycles are becoming increasingly popular. Currently, Vietnam has around 33 million motorcycles. China has almost 120 million. The convenience of these motorcycles comes at a cost. Air pollution is a growing problem. In large cities, people often complain it is difficult to breathe. They also complain about the noise.

To solve these problems, a U.S. company designed an environmentally friendly motorcycle. It uses electricity as fuel. You can drive it for 40 miles (64 kilometers) before recharging the battery.

It is also quiet and fast-60 miles (96 kilometers) per hour. This makes it a good choice for getting around a city.


By Water

The Italian city of Venice is a city with only a few roads. There are no cars in the city center. Instead of cars, water taxis and buses carry people along the city’s canals. The engines of these boats are simple and cheap. However, they cause pollution, particularly to the water. This causes damage to the city’s buildings.

English mechanics Dick Strawbridge and Jem Stans designed a solar-powered water taxi. The solar panels charge three electric batteries. These, in turn, provide power to the engine. The water taxi can carry six passengers. It can run for a day. In the future, solar taxis could be an alternative to Venice’s current taxis.


By Air

Designing an environmentally friendly airplane is a real challenge. Planes use an enormous amount of jet fuel. This means they cause significant air pollution, and they are very noisy. Some major airplane manufacturers have started to address the problems. They are using cleaner fuels, for example. However, Swiss engineers have gone one step further. They developed a solar airplane — the Solar Impulse. Solar panels cover its wings. These panels provide power to four electric motors and batteries. The batteries allow the plane to fly at night. This plane holds the world record for the longest solar-powered flight — 985 miles (1541 kilometers) from Arizona to Texas in the United States.

1. What do the three innovative ideas proposed have in common?
A.They aim to solve traffic problems in big cities.
B.They use cleaner energy and cause less pollution.
C.They aim to change traditional way of transporting goods.
D.They are good will of developed countries to help developing countries.
2. Which of the following statements is TRUE?
A.China owns the largest number of motorcycles.
B.There are no cars in the center of Venice city.
C.Solar-powered water taxi can run for a day with one battery at work.
D.The newly designed motorcycle can drive 60 miles after being charged.
3. According to the passage, the distinguished merit of Solar Impulse is ________.
A.lighter wingsB.less noise
C.powerful batteriesD.longest solar panels

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阅读理解-阅读单选(约350词) | 适中 (0.65)
文章大意:本文是一篇说明文,主要介绍了一种新型的电子设备如何帮助瘫痪患者恢复行走能力,以及这项技术的现状和未来展望。

【推荐1】Three paralysed (瘫痪的) men, who were told they would spend the rest of their lives in a wheelchair, are able to walk again, thanks to an electrical device, which was placed around the men’s spines (脊柱) and boosted signals from their brains to their legs.

The first patient to be treated was 30-year-old Swiss man David M’zee, who suffered a severe spinal injury several years ago in a sporting accident. David’s doctor said he would never walk again. However, thanks to the electrical device developed by a team at a public research university in Lausanne, Switzerland, he agreed to take part in a trial led by Dr. Courtine at the university.

“I came with my daughter, Charlotte, who was one month old at the time. As we approached David, he looked her in the eye and said, ‘I will walk before you,’” Dr Courtine recalls. “When Charlotte took her first step she was 14 months old, by which time David was walking by Lake Geneva. He said to her, ‘I have beaten you.’”

David can now walk up to eight paces when the device is switched off and this is the first time that this has been recorded in a chronic (慢性的) spinal injury. However, out of the lab, in the real world, it is hard for David to walk more than a few paces. The signals from the device soon become uncomfortable and so can’t be used all the time. The system is also expensive and not reliable enough to be used out of the laboratory for day-to-day use, so it’s far from a cure.

David is the first of three patients who have benefited from the first wave of the treatment. Two other men have also managed to walk again, to various degrees.

The researchers plan to begin larger trials in Europe and the US in the next few years. If these go well, the researchers are confident the system could become more widely available.

1. How does the electrical device help the paralysed walk again?
A.By straightening the spines.B.By making the brains recover.
C.By signaling the legs to move.D.By making use of a wheelchair.
2. Why does Dr. Courtine mention his daughter?
A.To point out David’s weakness.B.To explain David’s failure to walk.
C.To show the speed of David’s recovery.D.To prove his daughter’s athletic ability.
3. What is the problem with the device?
A.It is hard for typical patients to operate.B.It is unreliable when used out of the lab.
C.It always makes patients uncomfortable.D.It sometimes sends wrong signals to legs.
4. What can we infer from the last paragraph?
A.The device can cure paralysis.B.The device has been widely used.
C.The device will be tested globally.D.The device has a potential market.
7日内更新 | 34次组卷
阅读理解-阅读单选(约350词) | 适中 (0.65)
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文章大意:本文是一篇说明文。文章介绍来自宾夕法尼亚约克学院的一群学生正在建造一架无人机,帮助当地农民和保护环境。

【推荐2】When most people think of drones (无人机), they think of technology and fun. Safe to say, few people would think about farming. However, a group of students from York College of Pennsylvania have been building a drone that will not only help local farmers but the environment, as well.

Samantha Gotwalt and Blayde Reich, two senior Mechanical Engineering majors at York College in the group, both found the work to be quite fascinating. According to Samantha, the idea came from a York College professor, who has worked with drones, and wanted to get students involved with a project beneficial to the community. “We really want to help farming and agriculture. It’s super-important to America and our economy,” Blayde says. “We want to help the smaller farmers, and one of the perks is not having to spend their money on fertilizer and pesticides (杀虫剂).”

The idea is to design and build a drone that will take video imagery of the fields to determine what is needed to produce the best crop, while saving money and sparing the environment by reducing pollutants in the water runoff. Ideally, that data gained will help the farmers better determine what chemicals they need — and what they don’t.

However, finding the right equipment for the project was a challenge, starting with what drone the team would design for this particular usage. Samantha says she researched durability and control of drones to help make the proper determination.

“We are flying over the field and we want to have enough efficiency and go relatively slow enough that our pictures turn out well - and fly low enough that it is not using up all of its power,” she says. “The fields are a couple hundred acres(英亩), so you need your drone to be able to fly the length of that field.”

Blayde says the team continues to learn a great deal of information that will help the farmers and the environment.

1. What does the underlined word “perks” in paragraph 2 refer to?
A.Challenges.B.Features.C.Benefits.D.Solutions.
2. What particular usage is the drone designed for?
A.Spreading proper quantities of pesticides.
B.Helping to determine the chemicals needed.
C.Assisting to monitor the state of crops.
D.Measuring the areas of the fields.
3. What technical issue of the drone shall be tackled?
A.Its camera capacity.B.Its data collection ability.
C.Its durability and control.D.Its material and efficiency.
4. What can best describe the students?
A.Disciplined and realistic.B.Experienced and reliable.
C.Humble and reserved.D.Responsible and creative.
2023-02-11更新 | 365次组卷
阅读理解-阅读单选(约300词) | 适中 (0.65)
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【推荐3】Louis Braille was born in France in 1809. Sadly when he was a little boy, he had an accident. By the time he was four years old, he was completely blind. However, at the age of ten, Louis was lucky enough to go to one of the first schools for blind children in Paris. At this particular school they had special books. They were written in ordinary French but the letters raised up off the page, so that the students could feel the shape of the words and read them. But there were two problems with this system. First, the letters were huge and difficult to read. Second, the books were very expensive so the school library only had fourteen altogether.

In 1821, when Louis was twelve years old, a soldier came to his school. This man had invented a system for soldiers to send and receive messages in the dark. Although this idea had not worked very well, Louis became very excited and began experiments with it. By the time he was fifteen, he had invented a perfect system which used only six dots. And by 1827 the first book using his system was published.

It still took a long time before people realized what a wonderful invention Braille’s system was. In fact, Louis died in 1852 and did not live to see the success of his system, which has been adapted to almost every language in the world. Thanks to him, blind or weak-sighted people are able to read or write as well as any sighted person.

1. What did books for the blind look like when Louis was a boy?
A.No books designed for the blind.
B.Books with raised dots on each page.
C.Books with letters raised up off each page.
D.The same books as those for the able-bodied.
2. What led Louis to invent a reading system for the blind?
A.The letters were huge and difficult to read.
B.Books designed for the blind were too costly.
C.The number of books for the blind was very small.
D.A messaging system for soldiers to use in the dark.
3. When did Louis perfect the reading system?
A.In 1821B.In 1824C.In 1827D.In 1852
4. According to the last paragraph, what significance does Louis Braille’s reading system have?
A.It helps make the blind independent to learn.
B.It is easy and convenient for the blind to live.
C.It has been adapted to every language in the world.
D.It contributes to producing more books for the blind.
2021-12-05更新 | 50次组卷
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