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问题: 高中英语冠词

In ___ review of 44 studies,American researchers found that men and women who ate six key foods daily cut risk of ___ heart disease by 76%
应该怎么填,为什么?

解答:

the;the;
第一填空特指"review of 44 studies",所以用"the" ,第二填空特指心脏病,所以用"the"