第二部分 英语知识运用（共两节, 满分45分）
第一节 单项填空（共15小题；每小题1分，满分15分）
请认真阅读下面各题，从题中所给的A、B、C、D四个选项中，选出最佳选项，并在答题卡上将该项涂黑。
21. 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
22. —You’re going to have a rise this month, aren’t you?
—Yes, only $ 100.
— Well, _______.
A. the more, the better B. easier said than done
C. better than never D. better than nothing
