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  3. "Back in the Victorian era, seven out of ten ulcer sufferers were woman. By the 1950s, the trend had reversed, nine of ten were

"Back in the Victorian era, seven out of ten ulcer sufferers were woman. By the 1950s, the trend had reversed, nine of ten were

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问题     "Back in the Victorian era, seven out of ten ulcer sufferers were woman. By the 1950s, the trend had reversed, nine of ten were men. Now, the trend is shifting back, ulcer cases are only four times as frequent among men. This may be a consequence of the changing roles of women in the labor market," writes Philip Goldberg in Executive Health.
    Ulcers have long been linked to stress and the particular kind of frustration that stems from dissatisfaction with one’ s work performance or one’ s life. Digestive enzymes gnaw away at the stomach lining, causing painful sores, or ulcers, which are found mainly in the lining of the stomach or the small intestine. The acids which cause ulcers are triggered by the vagus nerve, which is linked to the brain. Under stress, the brain may stimulate the release of a hormone called gastrin, which, in turn, stimulates the acid secretions. " Although there is no clear-cut ulcer personality, there is no doubt that emotional tension, acting through the vagus nerve, can precipitate an ulcer. A person who is under constant strain, who is anxious, worried, frustrated—regardless of his or her station in life or apparent demeanor—is more apt to develop an ulcer," writes Jane Broky in her guide to personal health, adding, "Seemingly calm, relaxed people are as prone to ulcers as the hard-driving, high-pressure kind. Ulcers occur as often in bus drivers, fanners, and construction workers as in business executives and writers with deadlines. It is not the existence of stress, but how a person reacts to stress, that, seems to make the difference. "
    Some women appear to "inherit" ulcers but they also can be caused by aspirin, alcohol, coffee , and cigarette smoking(which may account for the increase of ulcers among women, since smoking among women is on the rise.)It is important to see a physician if an ulcer is suspected, since ulcers can eat through the stomach lining into other organs and occasionally be fatal. Doctors will usually recommend a number of treatments, including emotional counseling and diet changes. Stress-reducing techniques also have been successful in treating ulcers.
With a quotation from Goldberg, the author is trying______.
选项 A、to clarify how ulcers afflict men and women
B、to warn us of the dangers of ulcers in women
C、to explain why ulcer cases have increased again in women
D、to tell us that women have traditionally been more prone to ulcers
答案C
解析 引用的这段话主要讲述了经过了三个历史时期，ulcer cases的主要患者又成了女性。这种情况的产生是由于the changing roles of women in the labor market。这个原因点出了本段的中心，也起到了承上启下的作用。
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