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Read the following advertisements and then choose the correct answers．

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　　No one wants to look stupid or do the wrong thing at a new job．It is important to make the right impression from the very first day．You will face new people．You will be in a new place．

　　It may be difficult to know what to do．Here are five tips to help you make it through the first days at a new job：

　　1．First impressions can last forever．Make sure you make a good one．Before your first day, find out if your new job has a dress code(rules about what you can wear to work)．If so, be sure to follow it．No matter what, always be neat and clean．

　　2．Get to work on time．Give yourself an extra15 minutes to make sure you arrive on time．

　　3．Pay attention to introductions．One of the first things that your supervisor may do is to introduce you to co-workers．These co-workers will be important to you．They are the ones who will answer your questions when the boss is not around．

　　4．Ask plenty of questions．Make sure that your supervisor has told you what is expected of you．If he or she has not told you your duties, ask for a list．Set daily and weekly goals for yourself．

　　5．Never be the first one to leave．Observe(观察)what your co-workers do around quitting time(下班时间)．It does not look good for you to be eager to leave．

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　　It doesn’t matter when or how much a person sleeps, but everyone needs some rest to stay alive．That’s what all doctors thought, until they heard about　Herpin．Herpin, it was said, never slept, Could this be true? The doctors decided to see this strange man themselves．

　　Herpin was 90 years old when the doctors came to his home in New Jersey．They thought for sure that he got some sleep of some kind．So they stayed with him and watched every movement he made．But they were surprised．Though they watched him hour after hour and day after day, they never saw Herpin sleeping, In fact, he did not even own a bed．He never needed one．

　　The only rest that Herpin sometimes got was sitting in a comfortable chair and reading newspapers．The doctors were puzzled by this strange continuous sleeplessness．They found only one answer that might explain his condition．Herpin remembered some talk about his mother having been injured several days before he was born．But that was all．Was this the real reason? No one could be sure．

　　Herpin died at the age of 94．

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The English are often considered as unfriendly people who don't talk to strangers, but not London taxi drivers．I once asked a cabbie to describe his life to me and he didn't stop talking until I arrived home half an hour later．He told me many interesting stories and this is one of them：“Some very strange things happen late at night．The other day I was taking a woman home from a party．She had a little dog with her．When we got to her house she found that she'd lost her key．So, I waited in the cab with the dog while she climbed up the window．” “I waited…and waited…After half an hour of ringing the bell I decided to find out what was going on．I tied the dog to a tree and started to climb up the window．The next thing I knew was that the police came．They thought that I was trying to rob the house! Luckily, the woman came downstairs, she'd gone to sleep and forgotten about me and the dog．I was in such a hurry to get away that I forgot to ask her for the fare(车费)．”

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　　It is often claimed that nuclear energy is something we cannot do without．We live in a consumer society, where there is a huge demand for commercial products of all kinds．Moreover, an increase in industrial production is considered to be one solution to the problem of mass unemployment．Such an increase needs an abundant and cheap energy supply．Many people believe that nuclear energy is endless and economical．There are a number of other advantages in the use of nuclear energy．Firstly, nuclear power, except for accidents, is clean．A further advantage is that a nuclear power station can be run by relatively few technical and managing staff．The nuclear power station represents a large step in our scientific research and, whatever the anti-nuclear group says, it is wrong to expect a return to more primitive sources of fuel．

　　However, those who disagree with nuclear energy point out that nuclear power stations bring a direct threat not only to the environment but also to the human race．Furthermore, it is doubtful whether finally nuclear power is a cheap source of energy．There have, for example, been very costly accidents in America and Russia．The possibility of increases in the cost of uranium(铀)and the cost to ensure its safety could price nuclear power out of the market．In the long run, environmentalists argue, nuclear energy may bring about the destruction of the human race．Thus, if we wish to survive, we cannot afford nuclear energy．Though nuclear energy programs are expanding, which assumes a continual growth in industrial production and consumer demands．It is doubtful whether this growth will or can continue．

　　Having weighed up the arguments on both sides, it seems there are good economic and environmental reasons for sources of energy other than nuclear power．

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　　Under the impression that if you want to lose weight, you have to eat less? Well apparently, the solution may not be quite that simple．

　　Instead, some scientists in the UK have been experimenting with ways to trick the body into feeling full．

　　A government-funded team has been testing simple foods found on everyday shopping lists．Bread, cheese, milk, soup and sauces can all be developed to cause the brain to send a brain signal which acts as an appetite suppression(抑制)．

　　Peter Wilde, Scientist of UK Institute of Food Research, said, “If you can slow down the digestion of fat in the body, the undigested fat goes further down the small intestine(肠)and then it sends a message to the brain to reduce your appetite, so you can eat a normal-sized meal and the digestion is slowed down and then the message goes to your brain to reduce your appetite and you go for longer without being hungry．”

　　The researchers insist that the treated foods will still be entirely natural products, and free from processing．

　　They believe helping people to reduce weight this way is beneficial because it allows them to eat normally．The scientists also think their treatment could be taken into snacks to make sure people don’t eat too much．

　　The research is still at the experimental stage and it will be at least a year before their techniques can be used in a large scale human trial．

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　　“We’re all sad, and we’re a little worried…We’re sad about something missing in childhood,” psychologist Michael Thompson told 900 early childhood educators from 22 states packed into a lecture hall last week．“We have to fight back,” he declared．“We’re going to fight for play．”

　　It is estimated that since the 1980s the average American children have 8 to 12 fewer hours of free play time per week．Some of the factors behind the decline have been there for decades, others are more recent．Among the key factors are：

　　● Parents are unwilling to let their kids play outside on their own, for fear of injury or other accidents, and organized sports and other structured activities take up a large part of a child’s non-school hours．

　　● More hours per week are spent by kids watching TV, playing video games, using the Internet, and communicating on cell phones．

　　● More importance is attached to formal learning in preschool, more homework for primary school students and more pressure from parents on young children to quickly acquire academic skills．

　　“Parents are more self-conscious and competitive than in the past,” Thompson said．“They’re pushing their kids to do better than others．．．Free play loses out．” But he points out that this option doesn’t necessarily breed(培养)creativity and can lead to burnout for good young athletes and frustration for the less skilled．He is also concerned that preschools, in the drive to prepare students for the academic challenges ahead, are reducing the opportunity for group fantasy play－and thus reducing children’s chances to learn on their own about fairness, kindness and other social interactions(交往)．

　　The consequences are potentially awful, according to Thompson, who points out that reduced time to play freely with other children is producing a generation of unsociable young people and is a factor behind high rates of weight problems, anxiety, and depression among youth．“Without enough opportunity for forms of play that promote creative thinking,” he says, “America’s children will be at a disadvantage in the global economy．”

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　　A group of soldiers were stationed(驻扎)in the country near the home of a big landowner, called Lord Hunt．As they wanted to stay on good terms with the landowner, they offered to blow up a large tree stump that had remained after part of a tree had been blown down in the storm．But Lord Hunt asked them not to damage the plantation of young trees that was next to the stump．The officer in charge of the engineers promised him that they would be careful．Lord Hunt was so pleased that he asked the whole group to lunch on the day of the explosion．

　　The day came and just before lunch, the officer checked with one of his men to see if they had put enough explosive in the stump．“I checked the maths,” said the soldier and it comes to 32 kilos．“Are you sure?” asked the officer．“Perhaps you’d better put in a bit more just to make sure．” The lunch continued and everyone ate a lot and drank a lot．

　　A little later, the group of soldiers went outside with Lord Hunt to see the explosion．“You just see, Lord Hunt, that tree will fall in exactly the right place without hurting any of your young trees,” said the officer．The soldier lit the fuse, then walked quickly away to take cover．After a minute the tree, instead of falling over on its side, rose with the explosion 20 metres into the air, taking with it a huge quantity of earth together with all the young plantation．“Sorry sir, I made a mistake!” said the soldier．“It should have been 3．2 kilos, not 32 kilos．”

　　Lord Hunt was so upset that he turned around and walked back to his house．He looked at the house in horror and saw that every single window had been broken by the explosion．He was so upset that he went to the toilet on the ground floor to get over his feelings of shock．When he had finished, he pulled the plug of the toilet and the whole ceiling, which had been weakened by the explosion, fell on his head．

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　　Human remains of ancient settlements will be reburied and lost to science under a law that threatens research into the history of humans in Britain, a group of leading archaeologists(考古学家)says．In a letter addressed to the justice secretary, Ken Clarke, 40 archaeologists write of their “deep and widespread concern” about the issue．It centers on the law introduced by the Ministry of Justice in 2008 which requires all human remains unearthed in England and Wales to be reburied within two years, regardless of their age．The decision means scientists have too little time to study bones and other human remains of national and cultural significance．

　　“Your current requirement that all archaeologically unearthed human remains should be reburied, whether after a standard period of two years or further special extension, is contrary to basic principles of archaeological and scientific research and of museum practice,” they write．

　　The law applies to any pieces of bone uncovered at around 400 dig sites, including the remains of 60 or so bodies found at Stonehenge in 2008 that date back to 3,000 BC．Archaeologists have been granted a temporary extension to give them more time, but eventually the bones will have to be returned to the ground．

　　The arrangements may result in the waste of future discoveries at sites such as Happisburgh in Norfolk, where digging is continuing after the discovery of stone tools made by early humans 950,000 years ago．If human remains were found at Happisburgh, they would be the oldest in northern Europe and the first indication of what this species was．Under the current practice of the law those remains would have to be reburied and effectively destroyed．

　　Before 2008, guidelines allowed for the proper preservation and study of bones of sufficient age and historical interest, while the Burial Act 1857 applied to more recent remains．The Ministry of Justice assured archaeologists two years ago that the law was temporary, but has so far failed to revise it．

　　Mike Parker Pearson, an archaeologist at Sheffield University, said：“Archaeologists have been extremely patient because we were led to believe the ministry was sorting out this problem, but we feel that we cannot wait any longer．”

　　The ministry has no guidelines on where or how remains should be reburied, or on what records should be kept．

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　　Jacqueline Bouvier Kennedy Onassis was one of the most private women in the world, yet when she went to work as an editor in the last two decades of her life, she revealed(展现)herself as she did nowhere else．

　　After the death of her second husband, Greek shipping magnate(巨头)Aristotie Onassis, Jaqueline's close friend and former White House social secretary Letitis Baldrige made a suggestion that she consider a career(职业)in publishing．After consideration, Jacqueline accepted it．Perhaps she hoped to find there some ideas about how to live her own life．She became not less but more interested in reading．For the last 20 years of her life, Jacqueline worked as a publisher’s editor, first at Viking, then at Doubleday, pursuing(追求)a late-life career longer than her two marriages combined．During her time in publishing, she was responsible for managing and editing more than 100 successfully marketed books．Among the first books were In the Russian Style and Inventive Paris Clothes．She also succeeded in persuading TV hosts Bill Moyers and Joseph Campbell to transform their popular television conversations into a book, The Power of Myth．The book went on to become an international best-seller．She dealt, too, with Michael Jackson as he prepared his autobiography(自传), Moonwalk．

　　Jacqueline may have been hired for her name and for her social relations, but she soon proved her worth．Her choices, suggestions and widespread social relations were of benefit both to the publishing firms and to Jacqueline herself．In the books she selected for publication, she built on a lifetime of spending time by herself as a reader and left a record of the growth of her mind．Her books are the autobiography she never wrote．Her role as First Lady, in the end, was overshadowed by her performance as an editor．However, few knew that she had achieved so much．