简易版卫生C
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3. What can be inferred about completely normally fed mice mentioned in the passage?
They are more likely to suffer from inflammation.
4. According to the author, which of the following most interested the researchers?
Inner signals control other biological clocks. German scientists found that some kind of internal clock seems to order birds to begin their long migration__flight__twice each year. Birds__prevented from__flying become restless when it is time for the trip,__but__they become calm again when the time of the flight has ended.
2) How can quantum dots be used to confirm diseases?By lighting up in the presence of a targeted molecule.
3) How can nanotechnology be used to make a drug more effective?By making a drug target the focus of a disease.
3)What symptoms may be complained of by most women with lung cancer after long term,close contact with cooking oil fumes'?Irritated eyes and throat.
4)What was the local women's reaction when they learned that cooking oil fumes could lead to cancer?Surprised
5) Letters to the editor enable readers of a medical journal to express comments onarticles published in that journal.
3. Cooking Oil Fumes Cause Tumor
3) Which of the following is NOT one of the effects of multivitamins mentioned in passage?To reduce the rate of babies born too
early.
4) What a role do lymphocytes play in the human body?To raise the body's immunity against infection.
A Biological Clock
Every living thing has what scientists call a biological clock that controls behavior. The biological clock tells_plants__when to form flowers and when the flowers should open. It tells__insects__when to leave the protective cocoons and fly away,and it tells animals and human beings when to eat, sleep and wake.
2. Medical Journals
Medical journals are
1) The main readers of medical journals arehealth professionals.
2) Which of the following statements is NOT true?Most medical journals publish only online.
Dr. Moorhead is studying__how__our biological clocks affect the way we do our work. For example, most of us have great difficulty if we must often change to different work hours.
__It__can take many days for a human body to accept the major change in work hours. Dr. Moorhead said industrial officials should have a better understanding of biological clocks and how they affect workers. He said__such__understanding could cut sickness and accidents at work and would help increase a factory’s production.
The mice that started dieting in old age.
5. According to the last two paragraphs, Spindler believes thatdieting is not a good method to give us health and long life.
A recent study
1) How many babies are born with low birth weight in the developed countries every year according to WHO?2,000,000.
2) A pill of multivitamins may contain all of the following substances EXCEPTantiviral substances.
Events outside the plant and animal__affect__the actions of some biological clocks. Scientists recently found, for example, that a tiny animal changes the color of its fur__because of__the number of hours of daylight. In the short__days__of winter, its fur becomes white. The fur becomes gray brown in color in the longer hours of daylight in summer.
5) How many percent of babies were born with low birth weight to women who were not infected with the AIDS virus and took the multivitamins according to a new study?Less than 8%.
The leading cause
1)What a new tendency in lung cancer is concluded by the researchers?Patients with lung cancer become younger, especially females.
2)Which of the following diseases is the most common among the local residents in Shanghai'?Breast cancer.
3) How many major types of articles are mentioned in the passage?Five.
4) An article dealing with results from different studies on the same topic is calleda review article.
1. Bringing nanotechnology to health care for the poor(阅读预备)