ⅰ.词汇知识 1.(2013•湖北卷)people complain that decisions to approve or deny a permit are often ________ rather than based on fixed criteria. a. appropriate b. conscious c. arbitrary d. controversial 答案与解析 c 句意:人们抱怨说,赞成或否定的决定经常是任意的,而不是以固定的标准为基础。appropriate“合适的”; conscious“意识到的;清醒的”; arbitrary“任意的”; controversial“有争议的”。