职称英语新增卫生类文章

学习啦在线学习网 　　全国专业技术人员职称英语考试有其自身的特点 ,专业技术人员如果能够在掌握一定词汇的基础上 ,加强英语阅读能力的培养 ,不仅能帮助广大专业技术人员顺利通过职称英语考试 ,更有助于提高他们的整体英语水平。下面是学习啦小编带来的职称英语新增卫生类文章，欢迎阅读!

　　职称英语新增卫生类文章篇一

学习啦在线学习网 　　Tracking Down HIV

　　In the summer of 1980, a patient had a strange purplish spot removed from below his ear. It was Kaposi’s sarcoma, a rare form of skin cancer. This patient also had lymph node swelling and exhaustion. In November 1980, a Los Angeles immunologist examined a young man who had diseases linked to immune system malfunctions. The doctor had a T-cell count taken of the patient’s blood. T-cells are a type of white blood cell that plays a key role1 in immune responses. The patient had no helper T-cells.

学习啦在线学习网 　　By the end of 1980, 55 Americans were diagnosed with infections related to immune system breakdown; four had died. A year later the death toll was 74. Intravenous drug users had T-cell abnormalities. People who had received blood transfusions showed symptoms of immune system breakdown. By July 1982, 471 cases of the disease, now called Acquired Immune Deficiency Syndrome (AIDS), had been reported; 184 people had died.

学习啦在线学习网 　　In April 1984, American virologist Dr. Robert Gallo isolated the pathogen, or disease producer, responsible for2 AIDS. He called it HTLV-III. In Paris, Dr. Luc Montagnier identified a virus he called LAV. An international panel of scientists determined that both men had found the same virus. It became known as Human Immunodeficiency virus (HIV). Blood banks began screening for HTV in 1985, but by then about 29,000 people had been infected through blood transfusions. Some 12,000 hemophiliacs had contracted HIV through blood-clotting products. By 1995, 477,900 Americans had AIDS; 295,500 had died.

　　In 1996, researchers announced drugs that reduced HIV in infected people. Today scientists are testing vaccines and believe that if HIV can be suppressed, then perhaps it can be eradicated3, but it is still a race against time.

　　职称英语新增卫生类文章篇二

　　Common Questions about Dreams

　　Does everyone dream?

学习啦在线学习网 　　Yes. Research shows that we all dream. We have our most vivid dreams during a type of sleep called Rapid Eye Movement (REM) sleep. During REM sleep, the brain is very active. The eyes move quickly back and forth1 under the lids, and the large muscles of the body are relaxed. REM sleep occurs every 90-100 minutes, three to four times a night, and it lasts longer as the night goes on. 1 We dream at other times during the night, too, but those dreams are less vivid.

　　Do people remember their dreams?

　　A few people remember their dreams. However, most people forget nearly everything that happened during the night 一 dreams, thoughts, and the short periods of time when they were awake.

学习啦在线学习网 　　It seems that the memory of the dream is not totally lost，but for some reason it is very hard to bring it back. If you want to remember your dream, the best thing to do is to write it down as soon as you wake up.

　　Are dreams in color?

　　Most dreams are in color. However, people may not be aware of it for two reasons ： They don，t usually remember the details of their dreams, or they don，t notice the color because it is such a natural part of our lives. Do dreams have meaning?

　　Scientists continue to debate this issue.Some people use dreams to help them learn more about their feelings, thoughts, behavior, motives, and values. Others find that dreams can help them solve problems. It’s also true that artists, writers, and scientists often get creative ideas from dreams.

　　How can I learn to understand my dreams?

学习啦在线学习网 　　The most important thing to remember is that your dreams are personal. The people, actions, and situations in your dreams reflect your experience, your thoughts, and your feelings. Some dream experts believe that there are certain types of dreams that many people have, even if they come from different cultures or time periods. Usually, however, the same dream will have different meanings for different people. For example, an elephant in a dream may mean one thing to a zookeeper and something very different to a child whose favorite toy is a stuffed elephant. Then look for links between your dreams and what is happening in your daily life. If you think hard and you are patient, perhaps the meaning of your dreams will become clearer to you.

　　职称英语新增卫生类文章篇三

　　lee Cream Taster Has Sweet Job

　　John Harrison has what must be the most wanted job in the United States. He’s the official taster for Edy’s Grand Ice Cream, one of the nation’s best-selling brands. Harrison’s taste buds are insured for class="main">