2. 外语
  3. Medical experts have【C1】______suspected a link between the health of the mind and the health of the body. From time to time rese

Medical experts have【C1】______suspected a link between the health of the mind and the health of the body. From time to time rese

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问题     Medical experts have【C1】______suspected a link between the health of the mind and the health of the body. From time to time researchers have reported【C2】______of much a link. One such report now comes from the University of California at San Diego School of Medicine. The study shows that the mental disorder known as depression【C3】______to harm the body’s natural defense system against disease.
  【C4】______of severe depression generally have a low opinion of themselves. They often lose【C5】______in everything. They seem vary sad. They have trouble【C6】______. And they generally lose their【C7】______to eat. In most extreme examples, depressed persons【C8】______want to kill themselves.
    The University of California study was【C9】______by Dr. Michael Irwin. He began the study two years ago at a hospital in the city of Los Angeles. The study involved 37 women,【C10】______husbands were dying of lung cancer. Dr. Irwin studied the women for【C11】______of depression. He took some of their blood both before and after the death of their husbands. He examined the blood for【C12】______that help the body fight disease. These are the substances scientists call natural killer cells. T suppressor cells, and T helper cells. Dr. Irwin then looked for the same【C13】______of cells in the blood of women whose husbands【C14】______healthy. Dr. Irwin【C15】______that disease- fighting cells were not very active in the women whose husbands were dying or had just【C16】______. The rate of activity was【C17】______than in women whose husbands were healthy. Dr. Irwin also found that the rate of activity was【C18】______linked to the【C19】______of each woman’s depression【C20】______the death of her husband.
【C13】
选项 A、models
B、species
C、kinds
D、standards
答案C
解析
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