第9题: [单项选择]The speaker's reason for changing his opinion was highly {{U}}pertinent{{/U}}. A. imaginative B. unrealistic C. relevant D. controversial 参考答案:C 答案解析:[分析] 形容词辨析
pertinent有关的,相干的,中肯的;A.imaginative想象的,虚构的;B.unrealistic不切实际的,不实在的;C.relevant有关的,相应的;D