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  3. Are wine drinkers healthier than beer drinkers? If that is the case, it may have less to do with their choice of drink than with

Are wine drinkers healthier than beer drinkers? If that is the case, it may have less to do with their choice of drink than with

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问题     Are wine drinkers healthier than beer drinkers? If that is the case, it may have less to do with their choice of drink than with what they eat with it.
    A new study found that shoppers who bought wine in supermarkets were much more likely to buy healthy foods like olives and low-fat cheese than beer buyers, who were more in favour of things like chips. Studies have linked a moderate amount of alcohol use with better health, and this is especially true when it comes to wine, which has components that may help prevent cancer and cardiovascular (心 血管的) disease. Still, it is possible that whatever health benefits wine drinkers enjoy actually result from overall better diets, some studies have suggested.
    The problem for researchers has been getting an accurate reading on people’s diets in general and alcohol use in particular. Those being surveyed often understate their alcohol use and overstate their consumption of healthy foods. So for this study, the researchers tracked the sale of wine and beer over a six-month period at 98 supermarkets, and then looked at what kinds of food the shoppers bought. One auther, Dr. Morten Gronbaek, said the researchers had expected to find differences in buying patterns, but not to the extent that they did.
    There are other reasons wine drinkers may be healthier than beer drinkers, the researchers said. Wine tends to be drunk with food, and in smaller amounts, they noted, possibly affecting how the body metabolizes (使新陈代谢) it. And wine drinkers tend to be better educated and better off financially than beer drinkers, factors that would also help account for their better health.
The phrase "account for" (Line Para. 4) probably means to______.
选项 A、develop
B、explain
C、maintain
D、enhance
答案B
解析 本题是—道词义猜测题。本题可以使用代入法，将每个选项分别放入原文中，找出最符合题意的一项。选项A为“发展；阐述”；B为“解释”；C为“保持”；D为“加强”。选项B的解释在原句中最为合适。
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