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  3. People could eat more cocoa-rich products such as dark chocolate but not drink tea if they want to lower their blood pressure, G

People could eat more cocoa-rich products such as dark chocolate but not drink tea if they want to lower their blood pressure, G

admin2013-06-02  63
问题     People could eat more cocoa-rich products such as dark chocolate but not drink tea if they want to lower their blood pressure, German researchers reported Monday.
    A team of researchers from the University Hospital of Cologne analyzed data from【B1】______ studies that looked at the benefits of tea and cocoa. They found eating foods【B2】______ in cocoa resulted in lower blood pressure levels.
    Their report【B3】______ of exactly 10 studies on cocoa with a total of 173【B4】______ , a third of whom had high blood pressure and were【B5】______ for a two-week period, and five tea studies with 343 people for a four-week period.
    The fall in blood pressure【B6】______ to cocoa could be expected to reduce the risk of strokes and heart【B7】______ by 10-20 percent, the report said.
    The benefits are believed to come from certain compounds,【B8】______ Dr. Dirk Taubert, a leading author of the report.
    While tea and cocoa are both rich in such compounds, cocoa contains more of the type. This suggests that【B9】______ . Compared to cocoa compounds, tea compounds appear to be less effective.
    However, the researchers cautioned that【B10】______ , it appears reasonable that cocoa products could be substituted for other high calorie and high fat desserts.
Drug treatment is the basis of blood pressure control, Taubert said,【B11】______ .
【B5】
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解析 此处为被动语态，应填动词过去分词。根据时间状语for a two-weekend period可猜测此处的动词应表示“持续、进行”等的延续性动词。
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