第24题: [单项选择]Where did the conversation most probably take place A. In a library. B. In a classroom. C. In a bookstore. D. In a hotel. 参考答案:C 答案解析:[听力原文] M: I’d like to have a copy of Professor Smith’s book on English dialects. W: I’m sorry,
第25题: [单项选择]关键路径是() A. 活动最多的路线 B. 节点最多的路线 C. 时间最长的路线 D. 将事件时差为零的节点连接起来的路线 E. 以上都是 参考答案:C