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提问人:网友ruankao4 发布时间:2022-01-07
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听力原文:Villages in developing countries often lack many things: books, clean water and e

听力原文: Villages in developing countries often lack many things: books, clean water and electricity. These shortages are easy to see, but a different kind of shortage is not easy to see. That is the shortage of experts.

Many villages have no doctors, engineers, or scientists. They have no one who knows how to treat unusual medical problems or design a new energy system. There is a way to solve these problems. They can do it with computers. In the past few years, computer scientists around the world have developed what they call expert system.

An expert system is a special kind of computer program. In some situations, it can take the place of human expert. For example, an expert medical system can help care for a sick person. A question appears on the computer screen "Is this person hot?" You tell the computer either "Yes" or "No". The computer asks other questions, "Has the person lost any blood?" "Can the person move normal[y?" you answer. The computer continues to ask questions until it has enough information to make a decision. Then it tells what medicine or other treatment is needed. In this way, the expert system takes the place of a doctor. Another kind of expert system takes the place of an engineer. It measures the flow of water in the river. It tells if a dam can be built on the river. It also tells how much electricity can be produced. Still other kinds of expert systems help solve problems for farmers and owners of small business.

(26)

A.Lack of clean water.

B.Lack of electricity.

C.Shortage of experts.

D.Shortage of books.

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更多“听力原文:Villages in developing countries often lack many things: books, clean water and e”相关的问题
第1题
听力原文:In central Italy, several small towns and villages are still cut off by avalanche
s following the earthquake during the night which killed five people. So far hundreds of people have been made homeless.

(85)

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第2题
听力原文:Medical teams are being dispatched to remote villages in India's northeastern sta

听力原文: Medical teams are being dispatched to remote villages in India's northeastern state of Assam to deal with an out-break of malaria that so far has claimed at least 18 lives by official count. Estimates of the number of people infected range from 3,000 to 10,000.the head of the Red Cross Society of Assam warned that the situation is grave.

Anti-malarial drugs are being shipped to the region by the International Federation of the Red Cross (IFRC) An IFRC representative who visited the area last week his returned to Geneva with his assessment.

Medical teams from the Indian Army are also helping. The government reportedly is concerned about the possibility the disease will spread among the hundreds of troops deployed along the Indo-Burmese border in counter-insurgency operations.

These medical teams are dealing with an outbreak of ______.

A.plague

B.measles

C.malaria

D.rabies

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第3题
听力原文:Q: Why does Mr. Taylor want access to the lab facility?(A) To work on product dev

听力原文:Q: Why does Mr. Taylor want access to the lab facility?

(A) To work on product development.

(B) Because the laboratory is restricted to the unauthorized.

(C) He just bought a laptop computer.

(11)

A.

B.

C.

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第4题
听力原文:In many parts of the world, farmers and their families live in villages or towns.

听力原文: In many parts of the world, farmers and their families live in villages or towns. In the United States, however, each farm family lives on its own fields, often beyond the sight of any neighbors. Instead of traveling from a village to the fields every morning, American farmers stay on their land throughout the week. They travel to the nearest town on Saturdays for shopping or on Sundays for church. The children ride on buses to large schools which serve all of the farm families living in the area. In some areas, there are small schools serving a few farm families, and the children walk to school.

Of course life keeps changing for everyone, including farmers. Today there are cars, good roads, radios, and television sets. And of course there are modern machines for farming. All of these have changed farm life.

For many years, however, farming in America was often a lonely way of living. Farmers had to deal with their own problems, instead of getting help from others. They learned to try new methods, and to trust their own ideas instead of following older ways.

(30)

A.They live in bigger houses.

B.They live in villages or in towns.

C.Each family lives on its own fields.

D.They use modern machines in farming.

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第5题
听力原文:The very success of satellite communications systems has raised widespread concer

听力原文: The very success of satellite communications systems has raised widespread concern about their future. Some countries are already using satellites for domestic communications in place of conventional telephone lines on land. Although this technique is extremely useful for linking widely scattered villages in remote or mountainous regions, in heavily built-up areas where extensive telephone and telegraph systems already exist, domestic satellites are seen by the land-line networks as unfair competition. Despite such opposition, domestic satellites are gaining support from many businesses and public interest groups in the United States and seem likely to be more widely utilized in the future.

(30)

A.They can be built to be very light.

B.They are inexpensive to operate.

C.They can be directed by remote control.

D.They easily connect distant points.

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第6题
听力原文:The Sierra de Aracena in the northwest of Andalucia boasts one of the most beauti

听力原文: The Sierra de Aracena in the northwest of Andalucia boasts one of the most beautiful rural landscapes in the region. One of the greenest comers of the sun-baked south, the peaks and valleys here are rich in forests of sweet chestnuts and cork oaks. In spring, wild flowers carpet the meadows, attracting a wealth of bird and insect life.

Despite its outstanding natural beauty, the Sierra de Aracena is barely touched by the tourist trail, and even Andalucians are largely unaware of its hidden treasures.

But take time to explore this region, and you're guaranteed not only space and tranquility, but the warmest of welcomes, particularly in the old-fashioned whitewashed villages, scattered throughout the highlands.

Peaks and valleys in the Sierra de Aracena are rich in ______.

A.forests of chestnuts and cork oaks

B.wild flowers

C.meadows

D.birds and insects

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第7题
听力原文: Palestinian police have arrested six members of the militant Islamic Resistance
Movement (Hamas) in connection with a bomb explosion earlier this week at a controversial Jewish housing project, security sources said yesterday. The security sources gave few details on the arrests, saying they started on Tuesday in the villages of Beit Sahour and Taamara near Bethlehem in the southern part of the West Bank. The small bomb exploded on Monday night near the site of the controversial Jewish housing project of Hat Homa in the East Jerusalem district of Jebel Abu Ghneim, but no one was in the area at the time.

What caused some Hamas members to be arrested?

A.A bomb explosion at a military site.

B.An explosion at a Jewish housing project.

C.An attack against Palestinian residents.

D.A boarder dispute with Jewish residents.

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第8题
听力原文:Villages in developing countries often lack many things. Books, clean water, elec

听力原文: Villages in developing countries often lack many things. Books, clean water, electricity. These shortages are easy to see. But a different kind of shortage is not easy to see. That is a shortage of experts. Many villages have no doctors, engineers or scientists. They have no one who knows how to treat unusual medical problems or design a new energy system. Them' s a way to ease these problems. They can de it with computers. In the past few years, computer scientists around the world have developed what they call expert systems. An expert system is a special kind of computer program. In some situations, it can take the place of a human expert. For example, an expert in medical system can help care for a sick person. A question appears on the computer screen, "Is the person hot?" You tell the computer either yes or no. The computer asks other questions. "Has the person lest any blood?" "Can the person move normally?" You answer. The computer continues to ask questions until it has enough information to make a decision. Then it tells what medicine or other treatment is needed. In this way the ex pert system takes the place of a doctor. Another kind of expert system takes the place of an engineer. It measures the flow of water in a river. It tells if a dam can be built on the river. It also tells how much electricity can be produced. Still other kinds of expert systems help solve problems for farmers and owners of small businesses.

(30)

A.Lack of electricity.

B.Shortage of books.

C.Lack of clean water.

D.Shortage of experts.

点击查看答案
第9题
听力原文:Villages in developing countries often lack many things--books, clean water, elec

听力原文: Villages in developing countries often lack many things--books, clean water, electricity. These shortages are easy to see. But a different kind of shortage is not easy to see. That is a shortage of experts. Many villages have no doctors, engineers or scientists. They have no one who knows how to treat unusual medical problems or design a new expert system. There's a way to ease these problems. They can do it with computers. In the past few years, computer scientists around the world have developed what they call expert systems. An expert system is a special kind of computer program. In some situations, it can take the place of a human expert. For example, an expert in medical system can help care for a sick person. A question appears on the computer screen, "Is the person hot?" You tell the computer either yes or no. The computer asks other questions. "Has the person lost any blood?" "Can the person move normally?" You answer. The computer continues to ask questions until it has enough information to make a decision. Then it tells what medicine or other treatment is needed. In this way the expert system takes the place of a doctor. Another kind of expert system takes the place of an engineer. It measures the flow of water in a river. It tells if a dam can be built on the river. It also tells how much electricity can be produced. Still other kinds of expert systems help solve problems for farmers and owners of small businesses.

(23)

A.Lack of electricity.

B.Shortage of books.

C.Lack of clean water.

D.Shortage of experts.

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第10题
听力原文:Going through cities and villages, I was attracted by Swedish national flags flyi

听力原文: Going through cities and villages, I was attracted by Swedish national flags flying over houses and buildings which were ordinary family houses and offices. I noticed that on the road, all the cars' headlights were turned on even under the sun of June. Mr. Raiding explained that according to the new traffic regulations, drivers were required to keep the lights on day and night, which helped decrease the traffic accidents. Along both sides of the road, there were high fences used to keep the animals living in the forests from rushing onto the road. I could see little bare land in the country. In fact, fifty-four percent of the land is covered by forests and another ten percent by lakes and rivers. I was told that in Sweden nobody has the right to lay the land bare -- whoever cuts the trees Or spoils the grass must restore it right away. Whenever trees are cut, they are replaced by young trees at once.

Around Sweden, there is a notice in the bathroom of every hotel, which reads: "We care for our environment." In Sweden, you cannot see rubbish in streets, public gardens, rivers or lakes. The bottles are made of glass and the packages are made of paper or other natural materials which can be recycled. To make best use of their resources, Swedes never turn on the heating too high or the air-condition too low. The indoor temperature is always kept around twenty-five degrees Centigrade, no matter at home or in large hotels.

(33)

A.Because it would help decrease traffic accidents.

B.Because it was a Swedish custom.

C.Because it was always very dark in Sweden.

D.Because it was always cloudy and rainy in Sweden.

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