San Francisco is a wonderful vacation destination that offers many different things to see and to do. The best way for a traveler to get a feel for the city is to take one of the many different tours there.

    Foot. When touring the city by walking, you aren't going to walk much. There are far more benefits to touring the city on foot, though. This kind of tour allows you to see many of the buildings. It usually makes you see a more localized neighborhood level.

    Water. The waters of San Francisco Bay have played an important role in the city's development over the last century. Touring San Francisco by water is a completely unique way for you to see this wonderful city.

    Bus. If you want to get a great feel for the layout of the city, one of the best things you could do is book a tour through our company. A bus tour of San Francisco is one of the most complete ways to experience the city.

    Air. While it is the most expensive way to see San Francisco, it is also one of the most unique and thrilling ways to see the city. Seeing the city from high above allows you to get a good feel for the layout of the city as tour guides point out landmarks and attractions. If you decide to tour San Francisco from the air, you'll get memories that you won't forget forever.

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    In many countries, authority is seldom questioned, either because it is highly respected, or because it is feared. Because rank has been important in certain societies for a long time, people have been trained never to question those in authority. For example, children are not expected to question their teachers in school. It may be considered improper for young businessmen to suggest ideas that differ from those of older, more experienced members of the business.

    In other countries, including America, children are trained to question and search for answers. When a child asks a question, he will often be told to go to the library and find the answer for himself. By the time students reach the age of 14 or 15, they may be developing exciting new ideas in all fields of science and arts. To encourage such creativity, there are many national prizes offered to students every year for their scientific discoveries and artistic accomplishments.

    This interest in questioning and searching may be considered by some people as bad for young people's manners, that young people lack respect for authority. This impression may be created when visitors notice young Americans asking questions and arguing with older people. However, this is because many Americans have a different attitude toward authority than may exist in other areas of the world. In a work or business situation, ideas are freely and openly discussed and argued. It is important to remember that it is the person's ideas that are being questioned, not the individual himself. The two are quite separate. The purpose of the searching, questioning, and arguing is to find the facts in a particular situation, and therefore a solution, so that the work of the business can progress in the most effective manner possible.

    As was mentioned earlier, you may notice the same questioning in social conversations. Although some individual may think that Americans are rude because of the direct manner with people, they are merely trying to learn more about your ideas.

Foreign visitors to the UK might be disappointed when they learn that not everyone there speaks like Harry Potter and his friends. Usually, there's an assumption by many non-Brits that everyone in Britain speaks with what's known as a Received Pronunciation (RP, 标准发音) accent, also called "the Queen's English". However, while many people do talk this way, most Britons speak in their own regional accents.

    Scouse, Glaswegian and Black Country – from Liverpool, Glasgow and the West Midlands – are just three of the countless non-RP accents that British people speak with. There are even differences in accents between towns or cities just 30 kilometers apart. What is even more disappointing is that not speaking in a RP accent may mean a British person is judged and even treated differently in their everyday life.

    In a 2015 study by The University of South Wales, videos of people reading a passage in three different UK accents were shown to a second group of people. The group then rated how intelligent they thought the readers sounded. The lowest-rated accent was Brummie, native to people from Birmingham, a city whose accent is considered working class.

    However, there is no need to be disappointed though you are not speaking in an RP accent. In fact, doing the opposite may even give you strength.

Kong Seong-jae, 25, is an internet celebrity from Seoul. After studying in the UK, he picked up several regional accents. He's now famous for his online videos, where he shows off the various accents he's learned. "British people usually get really excited when I use some of their local dialect words, and they become much friendlier. I think it makes a bit of bond between local people and foreigners to speak in their local accent," he said.

    So if you're working on perfecting your British accent, try to speak like someone from Liverpool, Glasgow or Birmingham. You may not sound like Harry Potter, but you are likely to make more friends.

    Stephen Hawking was born in Oxford, England on 8th January, 1942. He went to school in St Allbans, a small city near London. Although he did well, he was never top of his class.

    After leaving school. Hawking went first to Oxford University where he studied physics and then went to Cambridge University where he studied cosmology(宇宙学）. As he himself admits, he didn't work hard. He was a very lazy student, and did very little work. However, he still got high marks.

    It was at the age of 20 that Hawking first noticed something was wrong with him. He started to bump into things. When he visited his family at Christmas time, his mother was so worried that she made him see a doctor. Hawking was sent to hospital for tests. Finally, the result came back. Hawking had motor neuron disease (运动神经元病）, an incurable illness which would make him unable to speak, breathe or move without the help of a machine. Doctors said they had no way to help him. He would die before 23.

    At first, Hawking became very depressed. After a while, though, he began to see his life in a different way. As he later wrote, "Before my illness was diagnosed(诊断), I had been very bored with life. There had not seemed to be anything worth doing. But shortly after I came out of hospital, I suddenly realised that there were a lot of worthwhile (值得做的）things I could do." Then Hawking got married and found a job at Cambridge University as a professor, He strongly believes that his story shows that nobody, how bad their situation is, should lose hope. "Life is not fair." He once said. "You just have to do the best you can in your own situation."

    The government says spending £4.2 million on planting trees in towns and cities will improve the quality of people's lives. But do trees really make people happy?

    Some British and US surveys suggest a thick green lawn, or well-landscaped yard can increase the government property prices by as much as 15%. But the government's Big Tree Plant campaign, which aims to plant one million trees in English urban areas over the next four years, says trees are not only good for our bank balance, but they do wonders for our happiness. And it says getting people to plant makes communities even happier. So do people really care about trees and do they improve lives? Margaret Lipscombe, director of urban programs at the Tree Council, says, “Not only are trees beautiful but they are practical. Trees also encourage healthier lifestyles and studies have shown people are calmer when trees are in their community,” A US study suggests that patients who have a view of nature through hospital windows recover better after operations.

    Ms. Lipscombe says that the trees have also been known to slow down the traffic because drivers will go more slowly when there is something in their sights. She admits some people have negative feelings about trees because they worry about slipping on berries, bird droppings on cars or blocked light.

    Ms. Lipscombe also says when she first moved into the area, there were no trees on her street. “I t was an area where there were lots of factories with high walls. It looked like an abandoned place that you didn't want, especially as a woman on your own. Now everything is different. With lots of trees around, the street looks more attractive. People are not as frightened and no longer run down the road to get home. The trees also bring people out onto the street and make a stronger community feel.”