2011 北京 第 56 题 单选题 区分题 2011_北京卷 (英语) 61.To submit nonfiction articles,$a contributor must_____.$ A. provide his special qualificationB. be a regular reader of the postC. produce printed versionsD. be over 45 years old 参考答案A ☆ 收藏不会,直接看解析查看原卷 →