Close your eyes for a minute and imagine what life would be like if you had a hundred dollars less.Also imagine what it would be like spending the rest of your life with your eyes closed.Imagine having to read this page,not with your eyes but with your finger­tips.

     With existing medical knowledge and skills，two­thirds of the world's 42 million blind should not have to suffer.Unfortunately，rich countries possess most of this knowledge,while developing countries do not.

     ORBIS is an international non­profit organization which operates the world's only flying teaching eye hospital.ORBIS intends to help fight blindness worldwide.Inside a DC­8 aircraft，there is a fully­equipped teaching hospital with television studio and classroom.Doctors are taught the latest techniques of bringing sight back to people here.Project ORBIS also aims at promoting peaceful cooperation(合作) among countries.

     ORBIS tries to help developing countries by providing training during three­week medical programs.ORBIS has taught sight­saving techniques to over 35,000 doctors and nurses，who continue to cure tens of thousands of blind people every year.ORBIS has conducted 17 plane programs in China so far.For the seven to ten million blind in China，ORBIS is planning to do more for them.At the moment an ORBIS team is working on a long­term plan to develop a training center and to provide eye care services to Shanxi Province.ORBIS needs your help to continue their work and free people from blindness.

     For just US $38,you can help one person see;for $380 you can bring sight to 10 people;$1,300 helps teach a doctor new skills; and for $13,000 you can provide a training program for a group of doctors who can make thousands of blind people see again.Your money can open their eyes to the world.Please help ORBIS improve the quality of life for so many people less fortunate than ourselves.

    You can either travel or read, but either your body or soul must be on the way. The popular saying has inspired many people to read or go sightseeing. Here are several books we recommend that you take on your trip.

⑴ Destination: US

Recommended book: On the Road, 1957, by Jack Kerouac

    The book is a globally popular spiritual guide book about youth. The protagonist(主人公) in the book drives across the US continent with several young people and finally reaches Mexico. After the exhausting and exciting trip, the characters in the book begin to realize the meaning of life.

⑵ Destination: Sahara Desert

Recommended book: The Stories of the Sahara, 1976, by Sanmao

    The book describes the author's simple but adventurous life in the Sahara Desert, which seems a bare and dull place. The vivid natural scenery and life there, along with the author's romantic emotions will inspire you to explore the mysterious land.

⑶ Destination: England

Recommended book: The Unlikely Pilgrimage of Harold Fry, 2013, by Rachel Joyce

    The novel tells a story of a 60-year-old man who lives a boring and unhappy life, until one day, he received his old friend's letter who got cancer. In deep shock and sorrow, he went out to send his reply letter. By thinking of his life, he walked past one mailbox after another, and finally walked from the Southwest end to the Northeast end of England. 627 miles in 87 days, he walks depending on one belief that “ his friend can survive as long as he walks.”

⑷ Destination: North Europe

Recommended book: So Slow, So Beautiful, 2015, by Luo Fu

    Following a girl's step to look around North Europe, who has been living there for 10 years. Check out how North Europeans seek their happiness, which more originated from a simple, natural and tranquil mentality.

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    When we see well, we do not think about our eyes very often. It is only when we cannot see perfectly that we realize how important our eyes are.

    People who are near-sighted can only see things that are very close to their eyes. Everything else seems ­­blurry. Many people who do a lot of work, such as writing, reading and sewing become near-sighted. People who are far-sighted suffer from just the opposite problem. They can see things that are far away, but they have difficulty in reading a book unless they hold it at arm's length. If they want to do much reading, they must get glasses, too.

    Other people do not see clearly because their eyes are not exactly the right shape. They have what is called astigmatism (散光). This, too, can be corrected by glasses. Some people's eyes become cloudy because of cataracts (白内障). Long ago these people often became blind. Now, however, it is possible to operate on the cataracts and remove them.

    Having two good eyes is important for judging distances. Each eye sees things from a slightly different angle. To prove this to yourself, look at an object out of one eye; then look at the same object out of your other eye. You will find the object's relation to the background and other things around it has changed. The difference between these two different eye views helps us to judge how far away an object is. People who have only one eye cannot judge distances as people with two eyes.

    Have you ever lost your direction? Then you might find satellite navigation(satnav) systems(卫星定位系统) helpful.

    A satnav system uses groups of satellites. They send information to a receiver(接收器), such as your smartphone. Then they can find where you are.

The earliest satnav system is the Global Positioning System(GPS) of the United States. The US has put 24 satellites into space to make sure GPS can locate(定位) a person correctly and globally. Likewise, Russia's GLONASS and European Union's Galileo can also work globally.

    But China is catching up, building its own BeiDou Navigation Satellite System. BeiDou is China's homegrown satnav system, reported Xinhua. It was set up in 2000, when China sent BeiDou's first navigation experiment satellite into space. With it, China became the third country to build a satnav system after the US and Russia.

    BeiDou can find you wherever you are. It helps you go faster by finding shortcuts(捷径) and using correct directions. When you are in trouble and call the police, they will know exactly where you are if you have a cellphone that uses BeiDou.

    Today, there are more than 20 BeiDou satellites above our heads. And the system is able to offer open services to the Asia-Pacific region(亚太地区).

    In November, China plans to send more BeiDou-3 satellites into space. BeiDou-3's position accuracy(准确度) is less than five meters, Ran Chengqi, a senior designer of the satellite navigation system, told China Daily.

    By 2020, BeiDou is planned to have 35 satellites and begin serving globally, reported Xinhua.

    Hiring a self-drive car really adds to the enjoyment of your holiday. There are so many places of interest to visit. And if you enjoy seeing more than just the city centre, there's no better way to explore than by car.

    Conditions of Hire

    ⒈The shortest rental period at these especially low prices is three days. For prices and for periods of one or two days you only see our representative at the hotel.

    ⒉Car hire must be booked six weeks or more before arrival in London to guarantee a car. But if you have been unable to make a booking in advance, please see our representative at the hotel who may still be ab le to help you.

    ⒊The car types on the sheet are examples of the types of cars in each price range, but a particular car cannot be guaranteed.

    ⒋Upon delivery the driver(s) will be asked to sign the car hire company's Conditions of Hire.

    ⒌If you decide to hire a car, just fill in the Booking Form and return it to us. A booking fee of ￡12 as part of the car hire cost is required.

    ⒍Should you be forced to cancel your car hire booking after payment in full (two weeks before date of hire), a cancellation charge of ￡12 will be made.

    Are you afraid of going to the dentist(牙医)? If so, you're not alone.

    These fears could just be in our heads, however. According to a recent survey by Martin Tickle, a professor at the University of Manchester in the UK, the pain isn't felt most of the time in dental surgeries(牙科手术). In fact, among the 451 interviewed patients, 75％reported no pain at all during their visits, including situations when they had their teeth pulled out.

    Could it be the sound of the drill(钻头)then?

    "I found that the sound of drilling can evoke deep worry in dental patients. Actually they don't have any pain, "Hiroyuki Karibe, a scientist at Nippon Dental University in Tokyo, told The Guardian.

    To find the reason why a drill might bring on a racing heart, Karibe divided the volunteers into low-fear and high-fear groups based on how much they feared a trip to the dentist. Volunteers were played the sound of a drill while their brain activities were watched by a machine.

    What Karibe found in the low-fear group was increased activity in the areas of the brain relative to auditory processing(听觉处理), which means, for these people, the sound of dental drills is no different from other sounds.

    In the high-fear group, however, the brain area that was activated(激活)was different. It was the area that carries out a number of duties, including learning, feelings and, most importantly, memory. This means that these volunteers not only heard the sound, but they remembered it—they made connections between the sound of a drill and the worry it produced in the past, causing their worry to return.

    Understanding how brains reply to the sounds of dentists' drills could help scientists find ways to make patients more relaxed, according to Karibe, because patients who worry about going to the dentist might keep putting off their visits. But the best way is to keep your teeth healthy.