Question

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%.

1. A.
   a; the
2. B.
   the; a
3. C.
   a; /
4. D.
   /; a

Answer 1

C
句意：在一份關(guān)于44項研究的報告中提到，美國科研人員發(fā)現(xiàn)每天吃六種主食的人可以使心臟病的發(fā)病率降低76%。review--a report on a subject or a series of events報告、匯報、詳述，為可數(shù)名詞；disease疾病，作可數(shù)名詞、不可數(shù)名詞皆可，但是當(dāng)表示身體具體部位的疾病時，為不可數(shù)名詞，如：liver/kidney disease肝/腎病。