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There is nothing like the joy of finding out that something sinful is actually good for you, whether it’s sex, chocolate or a gl
There is nothing like the joy of finding out that something sinful is actually good for you, whether it’s sex, chocolate or a gl
admin
2014-04-20
56
问题
There is nothing like the joy of finding out that something sinful is actually good for you, whether it’s sex, chocolate or a glass of fine red wine—or, for that matter, beer, whisky or a satisfying aperitif. We’ve long heard exciting hints that red wine has unique benefits for the heart. But the same sunny reputation for heart health is now starting to shine on all liquor. " No matter where you look, the dominant alcoholic beverage is beneficial—whether it’s red wine in France and Italy, sake in Japan or beer in Germany," says Dr. Walter Willett, chair of nutrition at the Harvard School of Public Health.
This has led researchers to an inescapable conclusion. As healthful as components of red wine may be, the primary benefit must come from ethanol itself. In short, it’s the alcohol, stupid. But don’t go overboard. Protection comes only with light to moderate intake—two drinks a day for men or a miserly one a day for women.
The major benefit of alcohol seems to come from its ability to boost levels of HDL, the good cholesterol that helps keep arteries clear of plaque. Ethanol does that by signaling the liver to make more of a substance called Apo Al, the major protein in HDL. The effects can be striking. "Depending on the individual, you can get increases of 10 to 30 percent in HDL in a week," says Harvard epidemiologist Eric Rimm. Alcohol also makes blood less sticky and less likely to form clots that cause heart attacks and strokes. It also appears to have mild anti-inflammatory effects. And it enhances insulin sensitivity—which may explain why moderate alcohol consumption
correlates
with a lower incidence of type 2 diabetes.
But alcohol is a dietary Jekyll and Hyde
. Heavy intake can raise blood pressure, increase irregular heartbeat, and lead to heart failure. The most sobering news concerns cancer. A recent analysis of 156 studies found that as alcohol intake increases, so do risks of tumors in the mouth, and liver. Even moderate drinking can boost breast-cancer risk a small amount.
Is moderate drinking worth the risks? For some people—pregnant women, people with liver disease or a history of alcoholism—the answer is no. But for most of us, the benefits will probably outweigh the hazards. Whether you sip wine, beer or spirits, your heart may thank you.
By "alcohol is a dietary Jekyll and Hyde"(Line 1,Paragraph 4), the author means______.
选项
A、drinking alcohol can be of both advantage and disadvantage
B、alcohol is necessary for daily diet
C、Jekyll and Hyde is a brand of alcohol
D、drinking alcohol can also be very dangerous
答案
A
解析
语义题。根据题干直接定位至第四段。该段首句的But表明这部分内容与第三段内容为对比关系。接下来第二句指出过量饮酒会导致血压升高,心跳加快,导致心脏骤停。显然这里谈及饮酒对人体健康的负面作用。而第三段主要介绍饮酒对健康的正面作用,因此可以判断第四段首句为承上启下的过渡句,[A]的表述符合这一特点,与上下文逻辑一致,故为答案。Jekyll是指英国小说《化身博士》的主人公哲基尔医生,具有善良的人格。Jekyll and Hyde是指有善恶双重人格。[B]是对该句中dietary一词的曲解,放回原文处与上下文语义逻辑关系矛盾,故排除。文中内容与酒类品牌无关,排除[C]。[D]干扰性很强,放回原文处符合该处逻辑关系,但与[A]相比,此项只起到启下作用,没有发挥承上作用,此外,该句中出现Jekyll和Hyde两个专有名词,应该表示两个方面,排除[D]。
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0
考研英语一
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