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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