Paragraph Seven Open enrollment is being used today to get schools to perform better. The reasoning: the best schools will attract the best students. And to be “best”, the school must have a creative principal and teachers. The plan, in extreme cases, can close down poor schools that no longer attract any students. 42. Schools striving for e ______.
【正确答案】：excellence
【题目解析】：该段主要描述开放式入学使得学校有更好的表现，并说明了原因以及计划，这些都是“学校追求卓越的表现”，题干就是概括出“学校努力追求卓越”，缺少的是excellence.
