Traffic problems are an everyday concern in many cities，including Washington，DC．A growing number of Washingtonians are turning to bicycles to get to and from work．In fact，the number of commuters who use bicycles has doubled in the city since 2007．

    Ralph Buehler teaches urban planning at the Virginia Polytechnic Institute and State University，popularly known as Virginia Tech．He has written a book about urban biking，calledCity Cyclin . g．He says there is a reason why urban bike tiding is now becoming more popular．

    “Over the last 60 to 70 years，cities in America have adapted to the automobile．”

    “Most cities took advantage of the money coming for the interstate highway system，from the federal government，  starting in 1956．There was a 90 percent federal match(补贴)so the cities only had to put up 10％．It was very tempting．”

    In the years after World War Two，many Americans moved to suburban communities，just outside major cities．They decided to travel great distances to and from work in exchange for a home in the suburbs．Their cars became a symbol of freedom．

    But today，many people believe they can save money by living in the city．

    Greg Billing is with the Washington Area Bicyclist Association．“When a person makes a change from using a car to using a bike，he／she is saving anywhere between 8 or $9，000 a year．”

    Ralph Buehler says governments save money when people use bicycles．“Building bicycling facilities is much cheaper than building and maintaining road facilities or public transport．”

    Washington，DC has also taken steps to protect bike riders．It approved a safe passing law and created areas on the road between cars and bikes．

    The United States Census Bureau says 4％of the city's workers ride to work by bike．The only city on the East Coast with more bike commuters is New York．

根据短文内容，选择最佳答案，并将选定答案的字母标号填在题前括号内。

    It is easier to float in the ocean than it is to float in a swimming pool. Do you know why?

    Ocean water is full of salt— and salt water can hold up more weight than fresh water. See for yourself!

    You Will Need:

    3 cups of warm water

    Measuring cup (量杯)

    Wide-mouthed jar

    Salt

    Spoon

    Raw (生的)potato

    You Will Do:

    ⒈Pour 1.5 cups of warm water into the jar.

    ⒉Add 1/3 cup of salt.

    ⒊Stir(搅拌) until the salt is completely dissolved.

    ⒋Add another 1.5 cups of water. Pour it slowly over the back of the spoon into the jar so that the two liquids will not mix together.

    ⒌Gently place the potato into the jar. Do not drop it.

    What Will Happen:

    The potato will sink— but only halfway!

    Why?

    Salt water is heavier than fresh water, so it will stay on the bottom. The fresh water will remain on top.

    The potato is heavier than the fresh water, but it is lighter than the salt water. That is why the potato will sink halfway down.

    What happens inside the head of a soccer player who repeatedly heads a soccer ball. That question motivated a study of the brains of experienced players.

    Researchers at the Albert Einstein College of Medicine in New York selected 34 adults, men and women. All of the volunteers had played soccer since childhood and  now competed year﹣round in adult soccer leagues. Each filled out a detailed questionnaire developed especially for this study to determine how many times they had headed a soccer ball in the previous year, as well as whether they had experienced any known concussions in the past.

    Then the players completed computerized tests of their memory and other learning skills and had their brains scanned. using a complex new M.R.I. technique which can find structural changes in the brain that can't be seen during most scans.

    According to the data they presented, the researchers found that the  players who had headed the ball more than about 1, 100 times in the previous 12 months showed significant loss of white matter in parts of their brains involved with memory, attention and the processing of visual information, compared with players who had headed the ball less.

    This pattern of white matter loss is "similar to those seen in traumatic brain injury", like that after a serious concussion, the researchers reported, even though only one of these players was reported to have ever experienced a concussion.

    The players who had headed the ball about 1, 100 times or more in the past year were also generally worse at remembering lists of words read to them, forgetting the words far more often than players who had headed the ball less.

    The Z Hotel is in the heart of London's West End and has comfortable accommodation in a contemporary design.

    All rooms include handcrafted beds, 48-inch Samsung HD TVs with free Sky Sports and Movie channels, and free Wi-Fi. Each room also has under-bed storage for an overnight bag, and wall-mounted hanging space for clothing. The Z Hotel also offers wheelchair accessible rooms.

    Continental breakfast is served in The Z Café every morning, including smoked salmon, fresh bread, fresh fruit salad and bacon rolls. A selection of salads, sandwiches and hot dishes are on offer throughout the day.

    The hotel is a 5-minute walk from Prince of Wales Theatre and Chinatown London, Leicester Square, Piccadilly Circus and Trafalgar Square. Heathrow Airport can be reached directly from Piccadilly Circus Underground Station.

    This is our guests' favorite part of London, according to independent reviews. This area is also great for shopping, with popular brands nearby: Apple, H&M, Zara, Burberry and Chanel.

    The Z Hotel is rated for the best value in London! Guests are getting more for their money when compared to other hotels in this city. Come and stay with us!

    Most popular facilities:

    luggage storage Heating Free Wi-Fi Air conditioning

    24-hour front desk Daily maid service Parking Lift

Prices:

    Good health is the most valuable thing a person can have, but one cannot take good health for granted. It is important to remember that the body needs proper care in order to be healthy. There are three things that a person can do to help stay in good shape: eat right food, get enough sleep, and exercise regularly.

    Proper nutrition (营养) is important for good health. Your body cannot work well unless it receives the proper kind of "fuel"(燃料).Don't eat too much food with lots of sugar and fat. Eat plenty of foods high in protein (蛋白质) ,like meat, fish, eggs and nuts. Vegetables and fruits are very important because they provide necessary vitamins (维他命) and minerals. However, don't overeat. It is not helpful to be overweight.

    Getting the proper amount of sleep is also important. If you don't get enough sleep, you feel tired and easily get angry. You have no energy. Over a long period of time a little amount of sleep may even result in a change of personality (人的个性). Be sure to allow yourself from seven to nine hours of sleep each night. If you do, your body will feel strong and refreshed, and your mind will be sharp.

    Finally, get plenty of exercise. Exercise firms the body, strengthens the muscles, and prevents you from gaining weight. It also improves your heart and lungs. If you follow a regular exercise program, you will probably increase your life-span (寿命). Any kind of exercise is good. Most sports are excellent for keeping the body in good shapes: basketball, swimming, bicycling, running and so on are good examples. Sports are not only good for your body, but they are enjoyable and interesting, too.

    If everybody, were to eat the right foods, get plenty of sleep and exercise regularly, the world would be a happier and healthier place. We would all live to be much older and wiser.

Dickens House Museum

Type: Historic House / Palace

Address: 2 Victoria Parade, Broadstairs, Kent, CT10 1QS

About

Dickens House Museum, Broadstairs celebrates Charles Dickens' long connection with Broadstairs from 1837 to 1851, through personal items and letters. Guided tours available.

The museum is housed in the cottage that was Charles Dickens' inspiration for the home of Betsey Trotwood in David Copperfield. David's description of Betsey's cottage with its square gravelled garden full of flowers, and a parlour of old fashioned furniture still fits today.

The character Betsy Trotwood is based on Miss Mary Pearson Strong who lived in the cottage that is now the museum. According to the reminiscences of Charles Dickens' son Charley, he and his father regularly had tea and cakes in the parlour (会客室) with the kindly and charming Miss Mary Pearson Strong. He also remembers that Miss Pearson Strong was completely convinced of her right to stop the passage of donkeys along the cliff top in front of her cottage. This belief became the donkey incident for the character of Betsy Trotwood, with the famous quote: "Janet! Donkeys!"

Spread over four floors, the Charles Dickens Museum holds the world's most important collection of paintings, rare editions, manuscripts, original furniture and other items relating to the life and work of Dickens. Perhaps the best-known exhibit is the portrait of Dickens known as Dickens' Dream by R. W. Buss, an original illustrator of The Pickwick Papers. This unfinished portrait shows Dickens in his study at Gads Hill Place surrounded by many of the characters he had created.

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