2. 外语
  3. One of the most contentious issues in the vast literature about alcohol consumption has been the consistent finding that those w

One of the most contentious issues in the vast literature about alcohol consumption has been the consistent finding that those w

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问题     One of the most contentious issues in the vast literature about alcohol consumption has been the consistent finding that those who don’ t drink tend to die sooner than those who do. The standard Alcoholics Anonymous(匿名戒酒互助会)explanation for this finding is that many of those who show up as abstainers(戒酒者)in such research are actually former hard-core drunks who had already incurred health problems associated with drinking.
    But a new paper in the journal Alcoholism: Clinical and Experimental Research suggests that—for reasons that aren’t entirely clear—abstaining from alcohol does tend to increase one’ s risk of dying, even when you exclude former problem drinkers. The most shocking part is abstainers’ mortality rates are higher than those of heavy drinkers.
    Moderate drinking, which is defined as one to three drinks per day, is associated with the lowest mortality rates in alcohol studies. Moderate alcohol use(especially when the beverage of choice is red wine)is thought to improve heart health.
    But why would abstaining from alcohol lead to a shorter life? It’s true that those who abstain from alcohol tend to be from lower socioeconomic classes, since drinking can be expensive. And people of lower socioeconomic status have more life stressors— job and child-care worries that might not only keep them from the bottle but also cause stress-related illness over long periods.(They also don’t get the stress-reducing benefits of a drink or two after work.)
    But even after controlling for nearly all imaginable variables—socioeconomic status, level of physical activity, number of close friends, quality of social support and so on—the researchers(a six-member team led by psychologist Charles Holahan of the University of Texas at Austin)found that over a 20-year period, mortality rates were highest for those who were not current drinkers, regardless of whether they used to be alcoholics, second highest for heavy drinkers and lowest for moderate drinkers.
Why would abstaining from alcohol lead to a shorter life according to the passage?
选项 A、Because people who abstain from alcohol are in lower status.
B、Because people who have to abstain from alcohol tend to face more stresses.
C、Because abstaining from alcohol is a painful experience.
D、Because abstainers have already incurred health problems.
答案B
解析 细节题。根据短文第四段表述可知：喝酒花费很高，不喝酒的人来自较低的社会经济阶层，背负着沉重的社会压力，而多种压力会危害身体健康。因此选B。
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