第14题: [单项选择]肺炎球菌肺炎的病人首选治疗为 A. 青霉素G B. 链霉素 C. 四环素 D. 庆大霉素 E. 氯霉素 参考答案:A 答案解析:此题考查肺炎球菌肺炎(大叶性肺炎)的治疗。肺炎球菌为革兰阳性菌,其治疗的首选药为青霉素G。
第15题: [单项选择]Jenny didn't have time to go to concert last night because she was busy ______ for her examination. A. preparing B. to be prepared C. to prepare D. being prepared 参考答案:A 答案解析:本题考查固定结构。be busy doing sth表示“忙于做某事”。主语she与动词prepare是主动关系。