1、A Doctor in the HouseC级 Brushing your teeth twice a day should keep the dentist away. But if a group of scientific researchers have their wish, it will make the rest of your body healthy too. _ (46) It is one of many gadgets proposed by engineers and doctors at the Center for Future Health in New Yo
2、rk others include a pair of glasses that help to jog your memory, and a home camera designed to check for cancer. The devices seem fanciful, but the basic principles are simple. The gadgets should make it easy for people to detect illness long before it strikes and so seek treatment far earlier than
3、 normal. _ (47) In the long run, the technology may even prevent illness by encouraging us to lead healthier lives. Intelligent bandages are a good example. Powerful sensors within the bandage could quickly identify tiny amounts of bacteria in a wound and determine which antibiotics would work best.
4、 _ (48) Socks are long overdue for a makeover. In the future they will be able to automatically detect the amount of pressure in your foot and alert you when an ulcer is coming up. All the projects should have far-reaching implications, but the biggest single development is a melanoma monitor design
5、ed to give early warnings of cancer. _ (49) If a problem is found, the system would advise you to get a check-up at your doctors surgery. If all this sounds troublesome, then help is at hand. _ (50) A standard computer would be able to understand your voice and answer questions about your symptoms i
6、n plain English and in a way which would calm your nerves.AExperts are also working on a digital doctor, complete with a comforting bedside manner.BInstead of relying on hi-tech hospitals, the emphasis is shifted to the home and easy-to-use gadgets.CThe cut could then be treated instantly, so avoidi
7、ng possible complications.DThat is going to be the difficult part.EThe device could be used to take a picture of your body each week, then compare it with previous images.FA toothbrush that checks blood sugar and bacteria while you brush is currently in development in the USA参考答案：46 F 47 B48 C49 E50
8、 AVoice Your Opinion; Change is Needed in Youth SportsB级Everywhere you look, you see kids bouncing a basketball or waving a tennis racquet. And these Kids are getting younger and younger. In some countries, children can compete on basketball, baseball, and volleyball teams starting at age nine._(46)
9、 And swimming and gymnastics classes begin at age four, to prepare children for competition. Its true that a few of these kids will develop into highly skilled athletes and may even become members of the national Olympic teams. _(47) This emphasis on competition in sports is having serious negative
10、effects.Children who get involved in competitive sports at a young age often grow tired of their sport. Many parents pressure their kids to choose one sport and devote all their time to it._(48)But 66 percent of the young athletes wanted to play more than one sport-for fun. Another problem is the pr
11、essure imposed by over-competitive parents and coaches. Children are not naturally competitive. In fact, a recent study by Paulo David found that most children dont even understand the idea of competition until they are seven years old._(49) The third, and biggest, problem for young athletes is the
12、lack of time to do their homework, have fun, be with friendsin short, time to be kids. When they are forced to spend every afternoon at sports practice, they often start to hate their chosen sport. A searchers found that 70 percent of kids who take part in competitive sports before the age of twelve
13、 quit before they turn eighteen. _(50) Excessive competitiveness took away all the enjoyment.Need to remember the purpose of youth sportsto give kids a chance to have developing strong, healthy bodies.ASurvey found that 79 percent of parents of young athletes wanted their children to concentrate on
14、one sports.BThe young soccer organization has teams for children as young as five.CMany of them completely lose interest in sports. DSports for children have two important purposes.EBut what about the others, the average kids?FVery young kids dont know why their parents are pushing them so hard.参考答案
15、：46 B47 E48 A49 F50 CI Know Just How You FeelA级Do you feel sad? Happy? Angry? You may think that the way you show these emotions is unique. Well, think again. Even the expression of the most personal feelings can be classified, according to Mind Readingame, a DVD displaying every possible human emot
16、ion. It demonstrates 412 distinct ways in which we feel the first visual distionary of the human heart. Attempts to classify expressions began in the mid-1800s, when Darwin divided the emotions into six types-anger, fear, sadness, disgust, surprise and enjoyment. _(46) Every other feeling was though
17、t to derive from Darwins small group. More complex expressions of emotions were probably learned and therefore more specific to each culture. But now it is believed that many more facial expressions are shared worldwide. _(47) The Mind Reading DVD is a systematic visual record of these expressions.T
18、he project was conceived by a Cambridge professor as an aid for people with autism (孤独症), who have difficulty both reading and expressing emotions. But it quickly became apparent that it had broader uses. Actors and teachers, for example, need to understand a wide range of expressions. The professor
19、 and his research team first had to define an emotion _(48) Using this definition, 1,512 emotion terms were identified and discussed. This list was eventually reduced to 412, from “afraid to wanting.Once these emotions were defined and classified, a DVD seemed the clearest and most efficient way to
20、display them. In Mind Reading, each expression is acted out by six different actors in three seconds. _(49) The explanation for this is simple: we may find it difficult to describe emotions using words, but we instantly recognize one when we see it on someones face. It was really clear when the acto
21、rs had got it right, says Cathy Collis, who directed the DVD. Although they were given some direstion, says Ms Collis, the actors were not told which facial muscles they should move. _(50) For example, when someone feel contempt, you cant say for certain that their eyebrows always go down.Someone wh
22、o has tried to establish such rules is the American, Professor Paul Ekman, who has built a database of how the face moves for every emotion. The face can make 43 distinct muscle movements called action units. These can be combined into more than 10, 000 visible facial shapes. Ekmen has written out a
23、 pattern of facial muscular movements to represent each emotion.A. He said that this expression of feeling is universal and recognizable by anyone from any culture.B. Any other method of showing the 412 emotions would have been far less effective.C. Research has also been done to find out which area
24、 of brain read the emotional expressions.D. These particular muscles are difficult to control, and few people can do it.E. They decided that it was a mental state that could be preceded by I feel he looks or “she sounds.F. We thought of trying to describe each emotion, but it would have been almost impossible to make clear rules of this.参考答案：46 A 47 C48 F49 B50 D
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