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  3. Health Care and Epidemics Everyone suffers from disease at some time or another. However, millions of people around the worl

Health Care and Epidemics Everyone suffers from disease at some time or another. However, millions of people around the worl

admin2009-04-23  69
问题                                     Health Care and Epidemics
    Everyone suffers from disease at some time or another. However, millions of people around the world do not have good health care. Sometimes they have no money to pay for medical treatment. Sometimes they have money, but there is no doctor. Sometimes the doctor does not know how to treat the disease, and sometimes there is no treatment. Some people are afraid of doctors. When all these conditions are present in large population centers, epidemics can start.
    Epidemics can change history. Explorations and wars cause different groups of people to come into contact with other. They carry strange disease to each other. For example, when the Europeans first came to North and South America, they brought diseases with them that killed about 95 percent of the native American population.
    People are very afraid of unknown things, especially diseases. People have all kinds of ideas about how to prevent and treat disease. Some people think that if you eat lots of onions or garlic, you won’t get sick. Others say you should take huge amounts of vitamins. Scientific experiments have not proved most of these theories. However, people still spend millions of dollars on vitamins and other probably useless treatments or preventatives. Some people want antibiotics(a drug that is used to kill bacteria and cure infections) whenever they get sick. Some antibiotics are very expensive. Much of this money is wasted because some diseases are caused by a virus. Viruses are even smaller than bacteria, and they cause different kinds of diseases. Antibiotics are useless against viruses.
    Because of their fear, people can be cruel to victims of disease. Sometimes they fire them from their jobs, throw them out of their apartments, and refuse them transportation services. In the plague(瘟疫) epidemics a few hundred years ago, people simply covered the doors and windows of the victim’s houses and left them to die inside, all in an effort to protect themselves from getting sick.
    Doctors know how most epidemic diseases spread. Some, like tuberculosis(a serious infectious disease that affects many parts of your body, especially your lungs), are spread when people’s sneeze sends the bacteria shooting out into the air. Then they enter the mouth or nose of anyone nearby.
    Others are spread through human contact, such as on the hands. When you are sick and blow your nose, you get viruses or bacteria on your hands. Then you touch another person’s hand, and when that person, touches his or her mouth, nose, or eyes, the disease enters the body. Some diseases spread when people touch the same dishes, towels, and furniture. You can pick up a disease when you touch things in public buildings.
    Other diseases are spread through insects such as flies, mosquitoes, arid ticks.
    One disease that causes frequent, worldwide epidemics is influenza, or flu for short. The symptoms of influenza include headache and sometimes a runny nose. Influenza can be a much serious disease, especially for pregnant women, people over sixty-five, and people already suffering from another disease, such as heart problems. About half of all flu patients have a high body temperature, called a fever. Flu is very contagious(传染性的). One person catches the flu from another person; it doesn’t begin inside the body as heart disease does.
    Sometimes medicine can relieve: the symptoms. That is, it can make a person cough less, make headaches less intense, and stop noses from running for a while. However, medicine can’t always cure the disease. So far, there is no cure for many diseases and no medicine to prevent them. People have to try to prevent them in other ways.
    Some diseases can be prevented by vaccination(接种疫苗). A liquid vaccine is injected into the arm or taken by mouth and the person is safe from catching that disease. Other diseases can be prevented by good health habits, such as drinking only clean water, boiling water that might carry disease, and washing the hands often.
    Epidemics usually start in areas of large population. Poor people in big cities who live crowded together in miserable conditions have the most health problems. They often have the least education about disease prevention. For example, it is difficult for a person who has no electricity to refrigerate food or boil drinking water. With no money, the person can’t even buy soap to wash his or her hands.
    Disease prevention costs much less than disease treatment. It seems completely illogical, but some countries like the United States spend much more health-care money on treatment or diseases than on programs to prevent disease in the first place. Most doctors and other hospital workers stay in their institutions. Only a few doctors go out into the streets of the poor areas to educate the people. Only a few doctors and some nurses vaccinate people and supervise them to make sure they take their medicine. Most people who help the poor people with their health problems are volunteers.
    How can you use all this information for your own good health? When someone you know becomes ill, try to avoid physical contact with that person. If you get sick yourself, keep your towel and dishes separate from everyone else’s. Try not to touch things that belong to others. Don’t touch other people, and don’t shake hands. Explain why, however—you don’t want people to think you are impolite. Wash your hands often if you are ill or if anyone around you is ill.
    Researchers continue searching for a way to cure or prevent epidemic diseases. Meanwhile, it is worth the money for governments to provide preventative health-care for all of their people. Preventing epidemics is much cheaper than stopping them after they have started and thou sands of people are ill.
选项 A、Y
B、N
C、NG
答案A
解析 本题考查文章主旨，需要通读全文后对内容进行归纳概括。文章第一至八段对流行病的传染方式进行了具体介绍，九到十四段则就如何预防流行病进行了探讨。题干表述与此相符，主旨归纳正确。
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