第9题: [单项选择]She was so obstinate that she wouldn' t adjust her opinions. A. inflexible B. alert C. wise D. talented 参考答案:A 答案解析:inflexible不屈不挠的,顽固的。alert堤防的,警惕的。wise英明的,明智的。 talented有才能的。obstinate倔强的,顽固的。
第21题: [单项选择]The dean tried to retain control of the situation on campus, but his attempt was ______ by the board of trustees. A. approved B. frustrated C. disclosed D. justified 参考答案:B 答案解析:[解析] 动词词义辨析。根据句中转折连词but判定,空格应填入与tried to retain control(试图去控制)意思相对的词。选项中,frustrate(挫败,泄气)符合要求,意为“这些努力被大学董事会挫败”。故答案为B。