Article: Tired of living in the same location but don't want to leave the house you love? That wouldn't be a problem if architect Felipe Campolina had his way. The Brazilian architect has designed a concept for a home tower consisting of portable, stackable apartment units, which he says opens up new possibilities for ways of living in the city. His design would allow owners to take their home with them when they travel -- whether for a weekend away or for longer periods, he said. The mobile home tower project is at the concept stage, and it could be years before it is built, if ever at all. But if it is realized, it would offer an eco-friendly solution to living in urban areas, Campolina said. "We have enough technology to build with fewer materials and minimize the impact on nature," he said. His vision would call for units with a green roof and walls and a system for recycling water. The tower, whose first floor would be built nine meters above ground, would also make it possible to save space in thickly populated areas. "It is designed to facilitate its application in dense urban centers, where space is very limited," he said. Still just a concept, Campolina -- who designed the building for architecture journaleVolo's Skyscraper Competition -- said with enough public interest, it just might become a reality one day. Question: The building's first floor would be built high above ground _ . Yes or no, is the answer "to save space in crowded cities"?
No

Article: Someone asked me, "what do you think of youth?" I showed him a can of COKE. See this? "C" means "courage". There's a seed in everyone's heart. As long as you really keep watering it, it will grow and harvest. Courage gives us the power to follow our dreams. Believe in yourself and be prepared for anything in the future. "O" stands for "optimism". When in trouble, some people feel disappointed but some people still keep their dreams. Be sure to choose the latter. Life is very much like a mirror. If you smile on it, it smiles back on you. If you frown, you will get a similar look in return. Throw away the sadness in your heart while filling it with brightness and hope. "K" can be understood as "knowledge". In order to keep up with the times, we should use knowledge to enrich ourselves. Knowledge is the food of thought and, as long as it is put in our brain, we will grow wiser. "E" is short for "enthusiasm ". Enthusiasm is the sign of youth. We use colourful paint-brushes in our hands to create the pictures of youth on our own. Let the sky and sea know we're young. Let out our enthusiasm wherever we go. Drink a can of COKE. You will find your youth as refreshing as a can of coke. Enjoy and value your youth. Question: The seed in everyone's heart in fact is _ . Yes or no, is the answer "courage"?
Yes

Q: Article: Fish have ears. Really. They're quite small and have no opening to the outside world carrying sound through the body. For the past seven years, Simon Thorrold, a university professor, has been examining fish ears, small round ear bones called otoliths. As fish grow, so do their otoliths. Each day, their otoliths gain a ring of calcium carbonate . By looking through a microscope and counting these rings, Thorrold can determine the exact age of a young fish. As a fish gets older, its otoliths no longer get daily rings. Instead, they get yearly rings, which can also be counted, giving information about the fish's age, just like the growth rings of a tree. Ring counting is nothing new to fish scientists. But Thorrold has turned to a new direction. They're examining the chemical elements of each otolith ring. The daily ring gives us the time, but chemistry tells us about the environment in which the fish swam on any given day. These elements tell us about the chemistry of the water that the fish was in. It also says something about water temperature, which determines how much of these elements will gather within each otolith ring. Thorrold can tell, for example, if a fish spent time in the open ocean before entering the less salty water of coastal areas. He can basically tell where fish are spending their time at any given stage of history. In the case of the Atlantic croaker, a popular saltwater food fish, Thorrold and his assistant have successfully followed the travelling of young fish from mid-ocean to the coast, a journey of many hundreds of miles. This is important to managers in the fish industry, who know nearly nothing about the track of the young fish for most food fish in the ocean. Eager to learn about his technology, fish scientists are now lending Thorrold their ears. Question: Why does the writer compare the fish to trees? Yes or no, is the answer "They both have growth rings."?
A: No

(Question)
Article: In the near future, we may be using our eyes to operate our smartphones and tablets, even when it comes to playing popular games like Fruit Ninja. The GazeGroup has been developing eye-controlled computer technology for nearly 20 years. But those devices have been mainly designed to aid those with disabilities, and are very expensive. "After a while, we figured out that probably the best way is to go for a mass-market approach," says Gaze's Sune Alstrup Johansen, "where everybody would have this available." Johansen and some of his colleagues have formed a new company, The Eye Tribe, which is hoping to develop the technology on a mass commercial level. The technology works by sending an infrared light from the computing device toward the user's face. After measuring the user's eye movements, the technology is then able to easily know where a person's eyes are moving, allowing the eyes to control a cursor . A software can determine the location of the eyes and tell where the user is looking on the screen. It even knows which image he is looking at. There has been a gradual change toward hands-free technology in recent years, particularly in the gaming world. Following Nintendo's popular Wii system, Xbox released the Kinect device, which lets users control their Xbox and play certain games using only their hands, legs and voices. Since most smartphones and other mobile devices can't come standard with an infrared device, Johansen said a replaceable filter would be an inexpensive, convenient choice for most consumers. And even as companies like The Eye Tribe work to create a commercially practical product for the average user, making the eye-controlled technology more accessible and less expensive will have similar benefits for disabled users. "Then I can go to any computer, and then I can control it and I can use it, instead of just bringing my own," said Stig Langvad, who heads up Denmark's umbrella organization for people with disabilities. "So I'll be a part of society on an equal foot, instead of... Question: In order to use eyes to operate their mobile phones, most users should buy _ . Yes or no, is the answer "a replaceable filter"?
(Answer)
No