Article: Architecture lovers in Washington do not have to travel far to see some of the world's most famous buildings. Architect Adam Reed Tucker has recreated fifteen of them using Lego bricks. The exhibit is called "LEGO Architecture: Towering Ambition." It is at the National Building Museum in Washington until early September. Faith Lapidus has more. Lego bricks are small, color1ful plastic blocks. They can be snapped together to make any number of objects. They are popular with children of all ages around the world. Adam Reed Tucker calls himself an "architectural artist". He was a professional architect for ten years. After the terrorist attacks against the United States in two thousand one he decided to do something different. He wanted to express his feelings for the form of the skyscraper while deepening his understanding of architecture, engineering and construction. He chose to use something that most people used as children. Tucker does all his work by hand, using only pictures of the buildings. He does not use any computers or drawings to plan his buildings. While the exhibit is going on, Tucker will be working on his latest work, the White House where the American president lives. Visitors can watch him create the famous building brick by brick. After walking through Tucker's models, visitors can create their own works at the building station. They can make houses, office buildings, stores or factories. They can then place their models on a large map of a city. As more visitors come, the Lego city will grow. To many people, Legos might seem like toys for kids. But Adam Reed Tucker proves that _ . To watch another Lego artist at work, go to 51voa.com and click on Captioned Videos. Lowry Baker came from McLean, Virginia, to see the exhibit. Baker said, "When we saw the models, there were just amazing. As soon as my son got a look at all of the stations here, he wanted to start building. It's really a great set-up. It really encourages creativity on the kids' part." Question: What do we know about the exhibit in the passage? Yes or no, is the answer "It includes some of the most famous buildings in the world."?
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Article: To understand the marketing concept, it is only necessary to understand the difference between marketing and selling. Not too many years ago, most industries concentrated primarily on the efficient production of goods, and then relied on "persuasive salesmanship" _ . Such production and selling focuses on the needs of the seller to produce goods and then convert them into money. Marketing, on the other hand, focuses on the wants of consumers. It begins with first analyzing the preferences and demands of consumers and then producing goods that will satisfy them. This eye-on-the-consumer approach is known as the marketing concept, which simply means that instead of trying to sell whatever is easiest to produce, the makers and dealers first find out what the consumer wants to buy and then go about making it available for purchase. This concept does not imply that business is benevolent or that consumer satisfaction is given priority over profit in a company. There are always two sides to every business transaction--the firm and the customer--and each must be satisfied before trade occurs. Successful merchants and producers, however, recognize that the surest route to profit is through understanding and catering to customers. A striking example of the importance of catering to the consumer presented itself in mid-1985, when Coca Cola changed the flavor of its drink. The non-acceptance of the new flavor by a significant portion of the public brought about a prompt restoration of the Classic Coke, which was then marketed alongside the new. Question: What was the main concern of industries before the marketing concept was widely accepted? Yes or no, is the answer "The efficiency of production."?
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Q: Article: Of the 7,000 languages spoken in the world today, linguists say, nearly half are likely to disappear this century. In fact, one falls out of use about every two weeks. Some languages die out in an instant, at the death of the only surviving speaker. Others are lost gradually in bilingual cultures, as local tongues are edged out by the dominant language at school, in the marketplace and on television. New research, supported by the National Geographic Society and the Living Tongues Institute for Endangered Languages, has found the five regions where languages are disappearing most rapidly. They are northern Australia, central South America, North America's upper Pacific coastal zone, eastern Siberia, and Oklahoma and the southwestern United States. K. David Harrison, an associate professor of linguistics at Swarthmore College, US, said that more than half the languages had no written form and were _ to loss and being forgotten." Their loss leaves no dictionary, no text, or no record of the accumulated knowledge and history of a disappeared culture. Harrison and other researchers started their rescue project last year. They have been trying to identify and record endangered languages. They interviewed and made recordings of the few remaining speakers of a language and collected basic word lists. The individual projects, some lasting three to four years, involve hundreds of hours of recording speech, developing grammar and preparing children's readers in the obscure language. The research has concentrated on preserving entire language families. "These are probably languages that cannot be brought back, but at least we made records of them," said Gregory Anderson, director of the Living Tongues Institute, in Oregon, US. Question: One of the things that Harrison and other researchers did was _ . Yes or no, is the answer "to make records of the disappearing language"?
A: No

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Article: Speeding off in a stolen car, the thief thinks he has got a great catch.But he is in for an unwelcome surprise.The car is fitted with a remote immobilizer, and a radio signal from a control centre miles away will ensure that once the thief switches the engine off, he will not be able to start it again. The idea goes like this.A control box fitted to the car contains a mini-cellphone, a micro-processor and memory, and a GPS satellite positioning receiver.If the car is stolen, a coded cellphone signal will tell the control centre to block the vehicle's engine management system and prevent the engine being restarted. In the UK, a set of technical fixes is already making life harder for car thieves." ," says Martyn Randall, a security expert.He says it would only take him a few minutes to teach a person how to steal a car, using a bare minimum of tools.But only if the car is more than 10 years old. Modern cars are far tougher to steal, as their engine management computer won't allow them to start unless they receive a unique ID code sent out by the ignition key.In the UK, technologies like this have helped achieve a 31% drop in vehicle-related crime since 1997. But determined criminals are still managing to find other ways to steal cars, often by getting hold of the owner's keys.And key theft is responsible for 40% of the thefts of vehicles fitted with a tracking system. If the car travels 100 metres without the driver confirming their ID, the system will send a signal to an operations centre that it has been stolen.The hundred metres minimum avoids false alarms due to inaccuracies in the GPS signal. Staff at the centre will then contact the owner to confirm that the car really is missing, and keep police informed of the vehicle's movements via the car's GPS unit. Question: By saying "The pattern of vehicle crime has changed", Martyn Randall suggests that _ . Yes or no, is the answer "self-prepared tools are no longer enough for car theft[:&&]"?
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No