A lot of grown-ups worry that spending too much time playing video games isn't good for a kid's health. Now some doctors have noticed that kids who bring their hand-held game players to the hospital seem less worried about being there. These patients also seem to experience less pain when they are concentrating on a superhero adventure or a car race. At the Johns Hopkins Children's Center in Maryland, young patients are finding hospital visits easier to deal with, thanks to a test program called the Hospital-based On-line Pediatric Environment (HOPE). Patients in HOPE have a life-threatening condition where their kidneys no longer filter wastes from their blood. To get their blood cleaned, these kids must be hooked up to dialysis machines at the hospital three times a week, for at least three hours each time. HOPE allows kids to play online sports, racing, and adventure games with each other. Eventually they will be able to connect with kids in other hospitals who are suffering from the same problem. "We want to use the power of the Internet to bring together kids who feel that they are separated by their illness, and let them know that they are not alone," said Arun Mathews, the doctor who heads the program. He loves video games himself and got the idea to connect kids all over the country. Many researchers elsewhere are testing video game programs that might help young patients. For example, nine-year-old Ben Duskin of San Francisco, who was struggling with cancer helped to design a video game where players get rid of cancer cells. That's all great news, because doctors already know that reducing pain and worry helps patients heal faster. What's the main idea of the passage? A) Playing video games too much is bad for kids'health. B) Playing video games seems to be beneficial to young patients' recovery. C) Doctors find that reducing pain helps patients recover faster. D) Doctors invent a game to help kids in hospitals.
B
Light for the City Edison and his assistants came to New York to set up an electric power system. They hoped it would provide enough electricity to light up a part of the great city. They bought several machines with them. These were called generators , which produced electricity power for lamps in Edison's building. Soon there were lights for the building. Edison lived in a room facing the street and he often worked over night. The light burned brightly and steadily and he often worked over night. People often came and stopped their horse-drawn carriage to look. Everyone knew that Thomas Edison was in town. First, the inventor and his assistants produced several large generators. A great deal of power would be needed to light up even a small part of the city. Then the workers were busy digging deep trenches in the hard earth below the city streets, and Edison had fourteen miles of wire laid into the trenches. The wire connected each building to a generator. Setting up an electric power system was not an easy job. It took a year and a half. In September, 1882, the job was finished. A small group of men stood around Edison inside the power house. The big moment came at last. The inventor, taking a deep breath, pulled a switch. The electric lights flashed up. "Very good! Very good!" a man nearby shouted to praise Edison for what he had done. "Sir," said Edison, "this is only the beginning!" And Edison was right. Soon Edison's lamp were lighting up cities all over the world. Trenches were dug to _ . A) set up generators B) lay wires C) built city streets D) build a power house
B
Q: "An apple a day keeps the doctor away." Similarly, if we drink a little more water ever day, we may find that we need to go to the doctor a lot less often. A healthy diet is made up of water and a great many different kinds of foods. We know that healthy foods like fruits, vegetables and fish, are important as they provide us with energy and fibre, without giving us too much fat and sugar. But why is water important? The human body needs water to survive. Water is important as it carries poisons and waste out of our bodies. However, doctors advise us to drink plenty of water, much more than the small amount we need to stay alive. Some doctors believe that water is important for our health in all kinds of ways. They believe that a great many illnesses and health problems stars as a result of dehydration--a lack of water in the body. Most people are dehydrated at least some of time, although they probably don't know it. It is surprising to learn that if we feel thirsty, we are already in the first stages of dehydration. In fact, we are advised to drink water before we feel thirsty. These doctors think that health problems such as headaches, high blood pressure and asthma could be helped if people drink more water. They also believe that drinking more water can help people who are overweight. Water contains no calories so it will not make us put on weight. If we drink water, we will probably drink less sugary soft drinks such as Coca-cola. Doctors also believe that drinking more water may stop people from overeating. They say that many people think that they are hungry when they are, in fact, thirsty. Doctors suggest, therefore, that we eat less food and drink more water. There are still many health problems that cannot be solved by drinking water, so we should not stop going to seeing the doctor completely. However, if we make a decision to drink water every day, we may find that we need to go to the doctor a lot less often. Which of the following isn't mentioned in the passage? A) Fruit provides us with energy and fibre. B) Some healthy problems start because of a lack of water. C) Drinking more water may stop people from overeating. D) The amount of water a person should drink in a day.
A: D
Q: Welcome to your future life! You get up in the morning and look into the mirror. Your face is firm and young-looking. In 2035, medical technology is better than ever. Many people your age could live to be 150, so at 40, you're not old at all. And your parents just had an anti-aging treatment. Now, all three of you look the same age ! You say to your shirt , "Turn red." It changes from blue to red. In 2035, "smart clothes" contain particles much smaller than the cells in your body. The particles can be programmed to change clothes' color1 or pattern. You walk into the kitchen . You pick up the milk ,but a voice says ," You shouldn't drink that!" Your fridge has read the chip that contains information about the milk , and it knows the milk is old . In 2035, every article of food in the grocery store has such a chip . It's time to go to work . In 2035, cars drive themselves. Just tell your "smart car" where to go. On the way , you can call a friend using your jacket sleeve . Such "smart technology" is all around you. So will all these things come true? "For new technology to succeed," says scientist Andrew Zolli ,"it has to be so much better that it replaces what we have already." The Internet is one example---- what will be the next? We can learn from the text that in the future _ . A) .people will never get old B) everyone will look the same C) . red will be the most popular color1 D) clothes will be able to change their pattern
A: D