What is the nature of the scientific attitude, the attitude of the man or woman who studies and applies physics, biology, chemistry, geology, engineering, medicine or any other science?

    We all know that science plays an important role in our societies. However, many people believe that our progress depends on two different aspects of science. The first aspect is the application of the machines, products and systems of knowledge that scientists and technologists develop. The second is the application of the special methods of thought and action that scientists use in their work.

    What are these special methods of thinking and acting? First of all, it seems that a successful scientist is curious - he wants to find out how and why the universe works. He usually pays attention to problems which he notices have no satisfying explanation, and looks for relationships even if the data available seem to be unconnected. Moreover, he thinks he can improve the existing conditions and enjoys trying to solve the problems which this involves.

    He is a good observer, accurate, patient and objective and uses the facts he observes to the fullest. For example, trained observers obtain a very large amount of information about a star mainly from the accurate analysis of the simple lines that appear in a spectrum(光谱).

    He does not accept statements which are not based on the most complete evidence available. He rejects authority as the only basis for truth. Scientists always check statements and make experiments carefully and objectively.

    Furthermore, he does not readily accept his own idea, since he knows that man is the least reliable of scientific instruments and that a number of factors tend to disturb objective investigation.

    Lastly, he is full of imagination since he often has to look for relationships in data which are not only complex but also frequently incomplete. Furthermore, he needs imagination if he wants to guess how processes work and how events take place.

    These seem to be some of the ways in which a successful scientist or technologist thinks and acts.

    More and more people like bicycling and it is no surprise. It is fun, healthy and good for the environment. Maybe that's why there are 1.4 billion bicycles and only 400 million cars on roads worldwide today. Bikes can take you almost anywhere, and there is no oil cost!

    Get on a bicycle and ride around your neighbourhood. You may discover something new all around you. Stopping and getting off a bike is easier than stopping and getting out of your car.

    You can bike to work and benefit (受益) from the enjoyable exercise without polluting  the environment. You don't even have to ride all the way. Folding (折叠) bikes work well for people who ride the train. Just fold the bike and take it with you. You can do the same on an airplane. A folding bike can be packed in a suitcase. You can also take a common bike with you when you fly. But be sure to look for information by getting on airline websites. Not all airlines are bicycle-friendly to travellers.

Health Benefits of Bicycling:

    It helps to prevent heart diseases.

    Bicycling helps to control your weight.

    A 15-minute bike ride to and from work three times a week burns off five kilos of fat in a year.

    Bicycling can improve your mood (心情).

    Exercise like bicycling has been shown to make people feel better, more relaxed and self-confident.

    Bicycling is healthier than driving.

    Are you ready for your exam?

    So, it's exam time again -have you done the necessary work to get good marks? Sleeping with the textbook under the pillow in the hope that knowledge will be magically absorbed into your brain as you sleep doesn't work. The best strategy is to space your practice out, rather than cram(突击学习)it all together.{#blank#}1{#/blank#}!

    In an article, Tom Stafford, a lecturer in psychology and cognitive(认知的) science at the APF--University of Sheffield, advises, “If you organize five hours of study into one hour a day, you'll remember more than if you study for five hours a day.”

    {#blank#}2{#/blank#}—get pen and paper and start working. Students who can test themselves in advance will be better at getting back material from their memory and learning that material in the long run. You should start by reading a textbook using your favorite highlighter(荧光笔){#blank#}3{#/blank#}.Instead of just reading those, you basically try to test yourself on them.

    {#blank#}4{#/blank#}, but if you are still anxious, there's no harm in performing a personal ritual(仪式). In Japan, for example, it seems to be a tradition for students to eat Katsudon before a test.{#blank#}5{#/blank#}. The name of the dish reminds people of the word “katsu”, meaning“ winning”. The bottom line is that you need to study, sleep well on the eve of the test, eat a nutritious meal, drink plenty of water and believe that your efforts will pay off. Good luck in your exam.

A. Don't rely on memory alone

B. That means hit the books early

C. Good revision should give you confidence

D. Then make flashcards of all the important concepts

E. They believe they could wash all the knowledge out of their head

F. This is a warm bowl of rice topped with egg and a slice of deep-fried pork

G. In different countries there are always those who swear by their “lucky underwear”

    Nobody can live without money. {#blank#}1{#/blank#} However, money cannot buy everything. You can't buy the following things only relying on money you have.

    Time

    Money is a tool for trade. We spend most of our time in getting, spending, worrying and fantasizing（想象）about money. {#blank#}2{#/blank#} Instead, money takes away your time that could have been spent playing with your children or having a long walk with your friends. When the sun sets, a day goes away from our life forever. No money has power to bring that back to life.

    Self-respect

    There are a lot of examples to prove that no money can buy self-respect. {#blank#}3{#/blank#} If you are your worst enemy, gods of money can't save you from the self-destruction（自毁）you add to yourself.

    Health

    As I write this, I find that one of my best friends has brain cancer, and it is in the last period. {#blank#}4{#/blank#} But no money can buy insurance for his life. We buy insurance for just about everything including our life but money can never bring our life back.

    Happiness

    This is doubtful. Money can buy happiness if it is spent bringing greater financial safety for the family. {#blank#}5{#/blank#} Going after money every day can never find its destination（目的地，终点）with great eagerness（渴望）to get more.

A.Show your respect for others.

B.Self-respect is got from within.

C.Money can buy a lot of things.

D.You can't buy time or save it in your storeroom.

E.Of course money can give him the best health care.

F.So you should not try your best to earn money without caring about your health.

G.But money can't buy happiness if the purpose is to make much more money.

    Why do Americans struggle with watching their weight, while the French, who consume rich food, continue to stay thin? Now a research by Cornell University suggests how life style and decisions about eating may affect weight. Researchers concluded that the French tend to stop eating when they feel full. However, Americans tend to stop when their plate is empty or their favorite TV show is over.

    According to Dr. Joseph Mercola, a health expert, the French see eating as an important part of their life style. They enjoy food and therefore spend a fairly long time at the table, while Americans see eating as something to be squeezed between the other daily activities. Mercola believes Americans lose the ability to sense when they are actually full. So they keep eating long after the French would have stopped. In addition, he points out that Americans drive to huge supermarkets to buy canned and frozen foods for the week. The French, instead, tend to shop daily, walking to small shops and farmers' markets where they have a choice of fresh fruits, vegetables, and eggs as well as high-quality meats for each meal.

    After a visit to the United States, Mireille Guiliano, author of French Women Don't Get Fat, decided to write about the importance of knowing when to stop rather than suggesting how to avoid food. Today she continues to stay slim and rarely goes to the gym.

    In spite of all these differences, evidence shows that recent life style changes may be affecting French eating habits. Today the rate of obesity — or extreme overweight — among adults is only 6%. However, as American fast food gains acceptance and the young reject older traditions, the obesity rate among French children has reached 17% — and is growing.

    Archerfish(射水鱼), a species famous for spitting (吐) water to shoot insects out of the air, can recognize one human face from another.

    In the laboratory, instead of shooting insects, the fish were taught to spit at pictures of human faces showed on a computer screen outside their aquarium. The fish were first introduced to two faces, and taught to spit at one of them in exchange for a food reward. The researchers then tested whether the fish would recognize and spit at the face they had learned from among 44 new ones. And they were right more than 80% of the time.

    To the researchers' surprise, even when they did that with faces that were in black and white, the fish were still able to find the face they were trained to recognize.

    Telling one human face from another is a surprisingly difficult task. As we all have two eyes above a nose and a mouth, doing so depends on recognizing some extremely small differences.

    “It has been supposed that this task is so difficult that it can only be completed by higher animals, which have a large and complex brain,” said Newport, whose study was published in the journal Scientific Reports. “But the archerfish were able to do this without having a neocortex, the most recently developed part of the brain. In humans, the neocortex governs our sense and language.”

    “Fish have a simpler brain than humans and they don't have the section of the brain that humans use for recognizing faces,” Newport said. “Even though, many fish show amazing visual (视力的) behaviors and therefore make the perfect subjects to test whether simple brains can complete complex tasks.”