Question

________ In review of 44 studies, American researchers found that men and women

________ 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; /
D. /; a

Answer 1

答案C
句意为“在对44个研究实例的回顾中，美国研究人员发现那些每天吃六种关键食物的男人和女人患心脏病的风险降低了76％”。当名词有of短语修饰时，常用定冠词修饰以表示特指，heart disease是类名词，不用冠词修饰。