第12题: [单项选择]In his two-hour-long lecture he made an exhaustive analysis of the issue.
A. extremely thorough B. long and baring C. superficial D. unconvincing 参考答案:A 答案解析:[解析] exhaustive表示“透彻的、彻底的”,所以extremely thorough(非常完全彻底的)是正确答案。long and boring:长得令人厌倦;superficial:表面的