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    This month, Germany's transport minister, Alexander Dobrindt, proposed the first set of rules for autonomous vehicles(自主驾驶车辆). They would define the driver's role in such cars and govern how such cars perform in crashes where lives might be lost.

    The proposal attempts to deal with what some call the “death valley” of autonomous vehicles: the grey area between semi-autonomous and fully driverless cars that could delay the driverless future.

    Dobrindt wants three things: that a car always chooses property(财产) damage over personal injury; that it never distinguishes between humans based on age or race; and that if a human removes his or her hands from the driving wheel — to check email, say — the car's maker is responsible if there is a crash.

    “The change to the road traffic law will permit fully automatic driving,” says Dobrindt. It will put fully driverless cars on an equal legal footing to human drivers, he says.

    Who is responsible for the operation of such vehicles is not clear among car makers, consumers and lawyers. “The liability(法律责任) issue is the biggest one of them all,” says Natasha Merat at the University of Leeds, UK.

    An assumption behind UK insurance for driverless cars, introduced earlier this year, insists that a human “ be watchful and monitoring the road” at every moment.

    But that is not what many people have in mind when thinking of driverless cars. “When you say ‘driverless cars', people expect driverless cars.”Merat says. “You know — no driver.”

    Because of the confusion, Merat thinks some car makers will wait until vehicles can be fully automated without operation.

    Driverless cars may end up being a form of public transport rather than vehicles you own, says Ryan Calo at Stanford University, California. That is happening in the UK and Singapore, where government-provided driverless vehicles are being launched.

    That would go down poorly in the US, however. “The idea that the government would take over driverless cars and treat them as a public good would get absolutely nowhere here,” says Calo.

    Tom goes everywhere with Catherine Green, a 54-year-old secretary. He moves around her office at work and goes shopping with her. "Most people don't seem to mind Tom," says Catherine, who thinks he is wonderful. "He's my fourth child," she says. She may think of him and treat him that way as her son, buying his food, paying his health bills and his taxes, but in fact Tom is a dog.

    Catherine and Tom live in Sweden, a country where everyone is expected to lead an orderly life according to rules laid down by the government, which also provides a high level of care for its people. This level of care costs money.

    People in Sweden pay taxes on everything, so aren't surprised to find that owning a dog means yet more taxes. Some people are paying as much as 500 Swedish kronor in taxes a year for the right to keep their dog, money that is spent by the government on dog hospitals and sometimes medical treatment for a dog that falls ill. However, most such treatment is expensive, so owners often decide to offer health and even life premium for their dog.

    In Sweden dog owners must pay for any damage their dog does. A Swedish Kennel Club official explains what this means: if your dog runs out on the road and gets hit by a passing car you, as the owner, have to pay for any damage done to the car, even if your dog has been killed in the accident.

    Sydney Trains is one of the most economical, reliable and convenient ways to travel throughout Sydney and its surrounds.

    Our network, the NSW Trains Intercity, covers suburban Sydney and extends to the Hunter, Central Coast, Blue Mountains, Southern Highlands and South Coast regions.

    The network is made up of several colour-coded lines. Trains from different lines can share the same platform, so check display screen and listen to announcements.

    Ticket prices are generally based on the distance traveled. You can visit Transportnsw.Info for details.

    Getting to the City

    In Sydney, if you're near a train station, you're on your way to the city. Every rail line leads directly or indirectly to the City Circle. It's the loop around the central business district of Sydney. Most City stations are underground so look out for the sign on street level.

    Automatic ticket gates

    Large stations have automatic gates for entry to, and exit from, the station. If you have an Opal card or a ticket which has a magnetic stripe (磁条) you must use the automatic gates. You may use the wide gate for wheelchair, pram or luggage access. Station staff will assist you.

    Night Ride buses

    Most trains do not operate between midnight and 4:00 a.m. For your convenience a special Night Ride bus service is available between these hours on most Sydney suburban lines.

    Track work

    In order for the tracks to the maintained, we sometimes have to replace train with buses, particularly at weekends. Please check the track work section for the latest service changes on your line.

    What's going on under Liverpool?
A Rainy Day in Liverpool

    Dark clouds appear over the River Mersey and a cold wind is blowing. A few rain drops are beginning to fall. We're in the famous city of Liverpool and we're going to spend this rainy day in the Williamson Tunnels.
  An Interesting Life Story

    Joseph Williamson was born into a poor family in 1769，but left home and went to work for a tobacco company aged 11. He began at the bottom, and finally became head of the business.

 An Unsolved Mystery

    Nobody knows why Williamson dug tunnels under most of Liverpool, but many think it was to create jobs. Perhaps half of Liverpool's population worked for him. The industry of war had made enormous amounts of money, but now Liverpool was in a terrible financial situation.

 The King of Edge Hill

    I went on a guided tour starting close to where his empire began in Edge Hill. In the tunnels, the steps leading from rooms below ground to those buildings, which no longer exist, seem particularly ghostly.

Incredible Engineering

    We go into the Double Tunnel. It's just been discovered that it's actually a triple tunnel - but nobody knows why the three tunnels were built on top of each other.

    We finish the tour and decide we'll have a coffee in the Williamson Tunnels Cafe Bar. There, I notice lots of flyers for bands and theater groups that are coming to play there.

Why Liverpool?

    Apart from the obvious attractions like the football clubs, or anything to do with the Beatles, Liverpool has a lot to offer. Princes Park and Croxteth Park were royal hunting grounds and the trees are 200 years old. Renshaw Street displays are an unusual mix of architecture styles. The nightlife is exciting. If you want to experience a part of the British Isles with a character entirely different from London, you should definitely come to Liverpool.

    E-mail systems at thousands of companies and government offices around the world were attacked by a virus(病毒)called “Melissa” that disguises(伪装)itself as an “important message from a friend. In spite of a weekend of warnings，more than 50 000 computers at about 100 places around the world have been attacked by the virus，computer security experts said on Monday.

    The virus began to show up last Friday and spread rapidly on Monday by making computers fire off dozens of infected(被传染的)e-mails. Although the virus causes no serious damage to a computer，its effect was far reaching.

    To make matters worse，a similar virus called “Papa” was discovered on Monday. Papa is programmed to send out even more infected e-mails than Melissa.

    The Melissa virus comes in the form of an e-mail，usually containing the subject line“Important Message”. It appears to be from a friend. The body of the e-mail message says，“Here is that document you asked for...,don't show it to anyone else.” Attached(附)to the message is a document file.

    Once the user opens that file，the virus digs into the user's address book and sends infected documents to the first 50 addresses. E-mails from the Papa virus include an attached spreadsheet(电子数据文件)file. When the user opens that file，the virus sends 60 infected e-mails.

    The reason why this is spreading so fast is that you are getting it from people you know. You should never open documents or attachments from people you don't know. People who get an unexpected e-mail with the “important message” subject line should delete it immediately and not open the message.

    There was a man playing the piano in a bar. He was a good piano player and always performed in this bar. People came in just to hear him play. But one night, a customer told him that he didn't want to hear him just play the piano any more. He wanted him to sing a song.

    The man said, "I don't sing." But the customer was persistent(执着的). He told the bar manager, "I'm tired of listening to the piano. I want that man to sing!" The manager shouted across the room, "If you want to get paid, sing a song. Our customers are asking you to sing！" So he did. He sang a song. A piano player who had never sung in public did so for the first time. And everyone was surprised by his song Mona Lisa. He got lots of applause(掌声) that night.

    He had such a talent for singing, but he just had been sitting on his talent for the past years! If without such a chance, he may have lived the rest of his life as a no­name piano player in a no­name bar. However, now he has become one of the best­known singers in America.

    You, too, have skills and abilities. Maybe your "talent" is not as great as the singer above, but it may be better than you think! And with effort, most skills can be improved. So, in your life, you should be brave enough to try doing different things and find out what talents you really have!