Since 1989, Dave Thomas, who died at the age of 69, was one of the most recognizable faces on TV. He appeared in more than 800 commercials for the hamburger chain named for his daughter. “As long as it works”, he said in 1991, “I'll continue to do those commercials.”

    Even though he was successful, Thomas remained troubled by his childhood. “He still won't let anyone see his feet, which are out of shape because he never had proper fitting shoes,” Wendy said in 1993. Born to a single mother, he was adopted as a baby by Rex and Auleva Thomas of Kalamazoo in Michigan. After Auleva died when he was 5, Thomas spent years on the road as Rex traveled around seeking construction work. “He fed me,” Thomas said, “and if I got out of line, he'd beat me.”

    Moving out on his own at 15, Thomas worked, first as a waiter, in many restaurants. But he had something much better in mind. “I thought if I owned a restaurant,” he said, “I could eat for free.” A 1956 meeting with Harland Sanders led Thomas to a career as the manager of a Kentucky Chicken restaurant that made him a millionaire in 1968.

    In 1969, after breaking with Sanders, Thomas started the first Wendy's Old Fashioned Hamburgers, in Columbus, Ohio, which set itself apart by serving made-to-order burgers. With 6,000 restaurants worldwide, the chain now makes $ 6 billion a year in sales. Although troubled by his own experience with adoption, Thomas, married since 1954 to Lorraine, 66, and with four grown kids besides Wendy, felt it could offer a future for other children. He started the Dave Thomas Foundation for Adoption in 1992.

    In 1993, Thomas, who had left school at 15, graduated from Coconut Creek High School in Florida. He even took Lorraine to the graduation dance party. The kids voted him Most Likely to Succeed.

    “The Dave you saw on TV was the real Dave,” says friend Pat Williams. “He wasn't a great actor or a great speaker .He was just Joe Everybody.”

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    Jeanne Calment, a French woman, became a record breaker on 17 October, 1995, when at the age of 120 years and 238 days, she became the longest-lived human being on record. A Japanese man died in 1986 at the age of 120 years and 237 days.

    Jeanne Calment lives in a small old people's home in the south of France; her husband, her only child and her grandson have all died. She is nearly blind and deaf and is always in a wheelchair, but her doctor describes her as being more like a 90-year-old woman in good health than someone of 120. She still has a lively sense of humor. When asked on her 120^th birthday what she expected of the future, she replied: A very short one. She also remarked that she thought the good Lord had forgotten all about her.

         So what is the key to a long life? According to some doctors, diet, exercise and no smoking are the three important factors. Jeanne Calment has followed two of the tips. She has always eaten a healthy diet, and she used to do exercise every day until she broke her leg at the age of 115. However, until recently she drank two glasses of strong red wine a day, and she does smoke (now only a little). Besides, Jeanne Calment might have got very good genes from her parents. Her father lived to the age of 94 and her mother to 86.

    A local lawyer bought her house when she was 80 under an agreement that he would pay her some money every year until her death. It must have seemed a good move at the time, but so far the lawyer has paid her at least three times the value of the house. Every year on her birthday, Jeanne Calment sends him a card saying: Sorry, I'm still alive!

    As technology develops, school students who are off class may have no fear of too much absence from class. A small robot may help those children recovering from a long-term illnesses in the hospital or at home. These children may feel isolated from their friends and classmates. The robot takes their place at school. Through the robot, the children can hear their teachers and friends. They also can take part in class from wherever they are recovering.

    Anyone who has had a long term illness knows that recovering at home can be lonely. This can be especially true of children. They may feel left out. Now these children may have a high-tech friend to feel less alone. And that friend is a robot. The robot is called AV1. AV1 goes to school for a child who is at home while recovering from a long-term illness. And the child's school friends must help. They carry the robot between classes and place the robot on the child's desk.

    A Norwegian company called No isolation created the robot. The co-founders of No Isolation are Karen Dolva and Marius Aabel. Dolva explains how the robot AV1 works. She says, from home, the child uses a tablet or phone to start the robot. Then they use the same device（设备）to control the robot's movements. At school, the robot becomes the eyes, ears and voice of the child. The child can take part in classroom activities from wherever she/he is recovering-whether at home or from a hospital bed. The robot is equipped with speakers, microphones and cameras make communicating easy.

    One of the most important ways to learn and master the English language is to read, read, and read. It is said that a good reader is also a good writer and a good speaker. However, in today's world, reading is something that most children dislike doing.

    There are simply so many distractions (分心的事物) that books, magazines, and newspapers are often ignored and they are in favor of video games and movies. And while video games and movies also play a role in helping the child learn the English language, they still can't quite compare to reading.

    And as a result, kids are learning less and less. Take a look at an elementary level text book. You'll notice that the books for elementary students are filled with pictures and colors. Those pictures and colors in the elementary level text books aren't there just for the sake (缘由) of design. Colors and pictures make us more engaged in the act of learning grammar. They catch our attention and help us retain (保留) more of what we read. This is especially true for little children who enjoy fun English.

    Children are quite easily distracted. When you ask them to sit down and read quietly, their minds will often wander and it won't take long before you find them doodling (涂鸦) and not doing what you told them to do. But if a book is colourful enough to catch a kid's attention, then you'll have a better chance at getting the kid to sit down long enough to learn English.

    The same principle holds true for interactivity (互动). Like colors and pictures, interactive reading materials like English songs for kids also get the child engaged in what he or she is learning. Interactive reading materials get the child to focus since using them is almost like playing.

    Humans and many other mammals have unusually efficient internal temperature regulating systems that automatically maintain stable core body temperatures（核心体温）in cold winters and warm summers. In addition, people have developed cultural patterns and technologies that help them adjust to extremes of temperature and humidity（湿度）.

    In very cold climates, there is a constant danger of developing hypothermia（低体温）, which is a life threatening drop in core body temperature to below normal levels. The normal temperature for humans is about 37.0℃. However, differences in persons and even the time of day can cause it to be as much as 6℃ higher or lower in healthy individuals. It is also normal for core body temperature to be lower in elderly people. Hypothermia begins to occur when the core body temperature drops to 34.4℃. Below 29.4℃, the body cools more rapidly because its natural temperature regulating system usually fails. The rapid decline in core body temperature is likely to result in death. However, there have been rare cases in which people have been saved after their temperatures had dropped to 13.9—15.6℃. This happened in 1999 to a Swedish woman who was trapped under an ice sheet in freezing water for 80 minutes. She was found unconscious, not breathing, and her heart had stopped beating, yet she was eventually saved despite the fact that her temperature had dropped to 13.7℃.

    In extremely hot climates or as a result of uncontrollable infections, core body temperatures can rise to equally dangerous levels. This is hyperthermia. Life threatening hyperthermia typically starts in humans when their temperatures rise to 40.6—41.7℃. Only a few days at this extraordinarily high temperature level is likely to result in the worsening of internal organs and death.

    The University of Tokyo has eight museums covering various fields such as medicine, agriculture and art. Click the names of the museums below to read brief introductions about their histories and exhibits.

    The University Museum

    Having accumulated over three million academic materials for its collection since the University of Tokyo was founded in 1877, the University Museum is the largest museum of its kind in Japan. From the time of its reorganization into an independent entity in May 1996, the Museum has held exhibitions over 60 times.

    The Museum of Health and Medicine

    The Museum of Health and Medicine seeks to provide information about health and medicine to the general public and advance education for students studying medicine. The Museum features both a permanent and a temporary exhibition space and a temporary exhibition space, with the latter focusing on topics related to medical care and the study of medicine.

    The Agricultural Museum

    The Agricultural Museum displays materials from the collection of the University's Graduate School of Agricultural and Life Science, Notable items on display include the documents and portraits of scientists affiliated (隶属的)with the University, internal organs of Japan's famous dog Hachiko, and drawings illustrating German agriculture and the varieties of Japanese cows.

    The Farm Museum

    The Farm Museum opened in 2007 within a renovated dairy bam. The bam was built in 1934 as part of the moving of the University of Tokyo's farm from Komaba to Tanashi, an area in Western Tokyo. The Museum features both permanent and temporary exhibitions. Permanent exhibitions include European farming equipment used on the Komaba Farm, tools for agricultural experiments, agricultural machinery, American tractors and drawings illustrating German agriculture.