In         reviewof44studies,Americanresearchersfoundth...

問題詳情：

In          review of 44 studies, American researchers found that men and women      who ate six key foods daily cut the risk of ______ heart disease by 76%.

      A. a; the         B. the; a         C. a; 不填        D. 不填； a    

【回答】

解析：

知識點：冠詞

題型：選擇題