Article: We know more about the surface of the planet Mars than we know about what is at the bottom of Earth's oceans. Until recently, scientists had mapped only about 20 percent of the sea floor. But our knowledge of the deep seas is changing because of information from satellites. Scientists have produced a new map that provides a detailed picture of the oceans. The map is expected to help oceanographers, industry and governments. The new map is twice as detailed as the map made 20 years ago. David Sandwell is a geophysics professor at the Scripps Institution of Oceanography at the University of California. He and other scientists worked on the mapping project. He says they turned to space to look deeper into the ocean. He spoke to VOA on SKYPE. "The way we're doing that is to use a satellite altimeter , a radar to map the topography of the ocean surface. Now that seems sort of strange that you'd map the topography of the ocean surface when you really want to get at the sea floor. But, the ocean surface topography has these bumps and dips due to gravitational effects that mimic what's on the sea floor." The scientists collected and studied information from two satellites. Some of the data came from the European Space Agency's Cryo-2 satellite. It was placed in Earth's orbit to watch sea ice. The other satellite is the American space agency's Jason-1. It is studying the surface of the oceans. Scientists combined the satellite data with images gathered by sonar equipment on ships. Sonar works by sending sound waves through the water. When the sound waves hit an object, its presence is confirmed. "That enables us to look at smaller-scale features and also features that are buried by sediments in the ocean basins." The new map shows the sea floor as it has never been seen before. It shows thousands of underwater mountains and places where continents pulled apart. It shows where earthquakes were active many years ago. They all are buried deep underneath the ocean floor. In one place, three mountain ridges join at the... Question: Scientists collected and studied information by _ . Yes or no, is the answer "the Cryo-2 and the Jason-1"?
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Article: How many historic churches, pubs or buildings are there in your city? Are there worth preserving? Or are they just a waste of space? There are arguments for and against spending money on historic buildings. Dangerous staircases. Uneven floors. A lack of IT infrastructure. The problem with many old buildings is that they're... old - and extremely expensive to modernize. Take the case of the Combination Room in Cambridge University. It was built in 1347 and was initially used for lectures. Later, it became the Regent House - the university's parliament. It's of enormous historical value and cultural interest. However, it doesn't meet accessibility standards for disabled people. As a result, a lift needs to be installed, but not everyone is happy about this. "Noting will persuade me that this lift would not in its effect, be a substantial alteration to the most precious room in the university. It would destroy the symmetry of that beautiful room," said one user. In general, modern buildings don't have this type of problem. They can be built according to the latest environment standards, with draught proofing and insulation to help reduce carbon emission and save energy. They can also be made wheelchair accessible, and they can be designed to ensure maximum comfort and space. Anyone who's been to a modern cinema, theatre or concert hall recently may understand the difference between the new buildings and older ones, which tend to have smaller seats, less space and poorer acoustics. Very often, there's money to be made by knocking down old building... especially if they're in city centers. So, the biggest threat to many historic buildings comes from developers. One of Croydon's oldest pubs, The Rose and Crown, is a perfect example of this. A property development company has recently been granted permission to convert the 18th century building into flats, much to the disappointment of many local residents. "The bar is full of unique features and perfect examples of a traditional London pub. It really would be truly... Question: What would be the best title of the passage? [ ] Yes or no, is the answer "Old buildings, to preserve or not"?
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Ques: Article: Do you want to visit Warwick Castle in Britain? Warwick is a friendly and a memorable experience with something for all ages.Easily accessible by car, bus, train, cycling or on foot it is surrounded by historic buildings and numerous attractions. Ticket Prices &Offers Look at our online offers, Warwick-Castle, com is the only place to purchase the Ultimate Castle and The Castle Dungeon ticket at the best price. Online bookings must be made 24 hours before you visit.Please note that admission to The Castle Dungeon is NOT included with standard online or on the day tickets.There are limited Dungeons tickets available, and only from Warwick-Castle, corn.Please book in advance to guarantee your Castle Dungeon experience. One Day Tickets Booking online is the best way to get your tickets for Britain's Ultimate Castle.Save 20% and skip the ticket queue when you arrive - it couldn't be easier! If you're not sure when you want to visit then don't worry, you can still book a Flexible Ticket-valid for any day that the castle is open during 2010. Buy tickets online now! Important notes on ticketing Please note that if you wish to visit the Castle using an on-the-day promotional voucher ,your Dungeon experience can be prebooked by calling 0870 442 2375. A PS1.50 fee applies to all bookings made online and via telephone - one fee per booking.Children must be accompanied by an adult.Group rates are available for groups of more than 10 people.Groups can book by calling 0870 442 2371 or online. Question: .If you hope to visit Castle Dungeon, you should _ . Yes or no, is the answer "book the ticket from Warwick-Castle, corn"?
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Ques:Article: Liz Parle can't drive. "I did try to learn," says the 24-year-old, Birmingham-born cafe owner, "but I failed my test a few times." Then she moved to London, where running a car can be a nightmare. Instead she cycles everywhere. "It's cheap, keeps me fit, and is of course better for the environment." _ In Britain, the percentage of 17- to 20-year-olds with driving licences fell from 48% in the early 1990s to 35% last year. The number of miles travelled by all forms of domestic transport has remained unchanged for years. Meanwhile, road traffic figures for cars and taxis, having risen more or less every year since 1949, have continued to fall since 2007. Motoring groups put it down to oil prices and the economy. Others offer a more fundamental explanation: the golden age of motoring is over. "The way we run cars is changing fast," says Tim Pollard, associate editor at CAR magazine, "Car manufacturers are worried that younger people in particular don't like to own cars like we used to in the 70s, 80s, or even the 90s, they were owning things for shorter periods. As hi-tech research and development budgets try to keep pace with the iPhone generation, Pollard says carmakers are also coming to terms with less possessive buyers. This has led to a different ownership and rental schemes such as Streetcar, Zipcar and Whipcar. In response, the latest deals from the big carmakers are very unlike your usual deals. "Peugeot , for instance, has launched a European project called Mu," says Pollard. "You become a member and can then rent whichever Peugeot best suits your mobility needs that day. So you can borrow a truck to move house at the weekend.' Other car manufacturers are studying similar ideas. Question: What measures will carmakers take to deal with the situation mentioned in the passage? Yes or no, is the answer "They will open more rental services of cars in the future."?

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