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　　Anyone who is interested in study will welcome the latest development in classroom technology．School pupils equipped with hand-held keypads(键盘)connected wirelessly to electronic whiteboards(白色书写板)can now answer teachers questions－without their classmates knowing．The electronic“student response system”is aimed at 4-to-11-year-olds

　　Stephen Jury, the company’s chief manager, says the system helps teachers with the continuous assessment of pupils, and encourages shy children to voice opinions and become more active in class．

　　According to the Department of Education and Skills, ICT(information and communications technology)spending for schools has more than doubled since 1998．

　　“If anything, it will probably increase,”says David Todman, Dell’s UK schools manager．“To achieve what the government wants in education, there is nothing it can do but increase expenditure on IT．”

　　The education white paper Higher Standards, Better Schools for All, looks to IT to help the government achieve two aims－lessons tailored to(适应)different pupils’ needs and connecting parents more closely with choosing and running schools．It notes that more than 80％ of secondary schools now have websites．“Parents and pupils will be able to see exactly what’s on offer, how well the school is doing, and the future direction it plans to take．”Parents can log on(登录)to the school’s IT system to look at their child’s reports, attendance records and information about homework．

　　Nearly everyone agrees that more needs to be done to make sure that computers are used properly in schools．Stephen Jury says that Britain needs to follow the US in developing the rules of“educational technology”rather than leaving e-learning in the hands of IT departments．

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　　Mr．Hunt had a bookshop near a hospital．He never went to see a doctor when he was ill．He usually bought some medicine in the shops and took them home．One day, when the man carried a box of books, it fell on his foot．

　　“Go to see a doctor．” Said Mrs．Hunt．

　　“No,”said the man, “I will wait until the doctor comes here next time．Then I will ask him about my foot．This way I will pay nothing to him．”A few days later a doctor came into the shop and bought some books．When Mr．Hunt got them ready．He told the doctor about his foot．The doctor looked at it．

　　“Here are your books, sir．” said Mr．Hunt．“You must pay two pounds for them．”

　　“I will pay nothing for them．”“Oh, What?”

　　“I told you about your foot．I want two pounds for that．Bye．”

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　　You are probably familiar with the saying：An apple a day keeps the doctor away．A recent research carried out by the Chinese University of Hong Kong may change the saying：

　　An apple a day may keep aging away．

　　The research chose fruit flies(果蝇), as they share many genes(基因)with humans．The fruit flies were either fed normally or had an apple extract(浓缩物) added to their diet．

　　It turned out that those fruit flies that were given apple extract lived about 55 days－five days longer than the flies that were normally fed．The research group also found it easier for the flies to walk，climb and move about as they aged．

　　According to the result, the researchers believed that the antioxidants(抗氧化剂) in the apple extract helped clean up dangerous chemicals(化学物质) that cause illnesses，as well as aging．

　　In another study，researchers examined diets of thousands of women．They discovered that those who regularly ate apples were 20 percent less likely to suffer heart illnesses and stroke．

　　The apples' genetic code(遗传密码) was discovered recently．It allows scientists to develop nicer and healthier fruits．Researchers are already using the information to grow a kind of apples full of antioxidants that can keep eyes and joints healthy and protect humans against heart illnesses and cancer．

　　Apples that kill the desire(欲望) to eat could also be produced, with the first“extra-healthy''apples on supermarket shelves within just four or five years．

　　The team that keeps studying apple DNA includes 100 scientists from five countries．Their research also suggests that around 65 million years ago, when dinosaurs began to die off the plant，which would finally become today's apple tree, experienced a great genetic change．The number of many of its genes doubled．The extra genes allowed the apple to get used to worse conditions and go through a different development from peaches，strawberries and other related fruits．

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