It is commonly held that drinking moderate amounts of alcohol can reduce the

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问题 It is commonly held that drinking moderate amounts of alcohol can reduce the odds of having a deadly heart attack. More【B1】______ benefits to the heart have occurred when people had three to seven drinks per day. But doctors advise against that because heavy drinking is associated with【B2】______ problems It can be liver damages or【B3】______ fertility. Dr. Pekka Karhunen, of the University of Tampere in Finland, said that【B4】______ reports that one or two alcoholic drinks per day could help【B5】______ heart disease appeared to have been "overestimated". Of his study, released at the American Heart Associations annual meeting, Karhunen said in an interview that "there is no danger in one or two drinks per day, but the benefit is quite low." The Heart Association advises that alcohol, if consumed at all, should【B6】______ one drink per day for women and two per day for men.
The drinks include beer, wine or【B7】______. Karhunen and his colleagues chose 700 Finnish men who had died between the ages of 33 and 70. The researchers interviewed family members about the deceased men’s drinking habits and then studied alcohol’s effect on their blood【B8】______. The scientists found that having fewer than three drinks per day did not reduce the progress of any heart disease and only【B9】______ minimized the chance of having a fatal heart attack. The more people drank, the more likely they were to have【B10】______ a fatal heart attack. [br] 【B2】

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答案 a host of

解析 a host of为固定搭配，表示“一大群，许多”，后面跟可数名词的复数形式。

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It is commonly held that drinking moderate amounts of alcohol can reduce the

[originaltext]Oneofthemostcommonly-heldbeliefsofhealthandnutrition

[originaltext]Oneofthemostcommonly-heldbeliefsofhealthandnutrition