单选题 Ideas ______ from one's own experience are sometimes more valuable than those from books.

【正确答案】 A

【答案解析】[解析] 各项的意思是：derive from“来自……”，deprive“剥夺，使丧失”；retreat“撤退”；restore“归还，交还；使恢复”。根据句意判断，答案是A。