简述幼儿园讲述活动的特点。

A. ‘特此报告，请审阅’
B. “从管理基础工作入手，搞好整顿”
C. ‘实践说明，制定岗位考核标准，是落实岗位责任制的行之有效的办法’
D. “特此报告，如有不当之处，请予指证&rdquo

A. I don’t know
B. Sorry, but this evening I have to go to the airport to meet my parents
C. No, I can’t