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  3. Scientists believe they have solved one of the enduring mysteries of the sexes--why men can drink more alcohol than women. Many

Scientists believe they have solved one of the enduring mysteries of the sexes--why men can drink more alcohol than women. Many

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问题     Scientists believe they have solved one of the enduring mysteries of the sexes--why men can drink more alcohol than women.  Many believe that women  ty【66】get drunk more quickly than men, even when their smaller size is taken into account, and they are more likely to suffer liver damage from alcohol ab【67】.
    The researchers say the difference is all in the【68】. They say that men make far【69】(high) amounts of a protective stomach enzyme that break【70】alcohol before it hits the blood stream. The result : they don’t get as tipsy as women on the same number of drinks.
    "The【71】(implicate) of this is that when it comes to social drinking, women should be more careful than men for a g【72】amount of alcohol when driving or operating equ【73】", said Dr. Charles S. Lieber, a co-author of the study and director of the Alcohol Research and Treatment Center at the Bronx Veterans Affairs Medical Center.
    Among the study’s【74】(find) :
    Women absorb about one-third【75】alcohol into their blood than men do, even when they are of the same size and drink the same amount.
    The enzyme, called alcohol dehydrogenase, works better when people have a f【76】stomach. This explains why some folks handle their liquor better if they drink after eating.
    Alcoholics make less of the protective enzyme than social drinkers【77】.
    If people drink on an【78】stomach, the alcohol passes quickly through the stomach into the small intestine, where it is ab【79】into the blood-stream.【80】, when the stomach is full, alcohol stays in the stomach longer, so the enzyme has more time to work.
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答案do
解析 为避免重复，用do代指谓语动词make。
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