题目内容

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

C


解析:

一份44个研究课题组成的调查显示,故第一空选冠词a;第二空 heart disease(心脏病)习惯上不用惯词。

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