第31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 boring C. superficial D. unconvincing 参考答案:A 答案解析:[解析] 本题考查的是对形容词的认知。这句话的意思是:在他两小时的演讲中,他对这个问题进行了透彻的分析。exhaustive是“透彻的,彻底的”的意思,如:exhaustive study透彻的研究,