第二部分：英语知识运用(共二节，满分30分)
第一节: 多项选择 (共10分) 从A、B、C、D四个选项中，选出可以填入空白处的最佳选项：
21. The employers and the trade union leaders still hold opposite opinions, and reaching a(n) __________ seems to be out of the question.
A. procedure B. compromise C. competence D. expectation
22. It’s widely acknowledged that the _________ of our sports system, rather than just foreign coaches, will be helpful to Chinese football.
A. extension B. assumption C. reform D. authority
23. Working mothers find frozen food very _________, especially when there is little time to cook.
A. convenient B. miserable C. authentic D. stable
