第20题: [多项选择]继发性腹膜炎常见的致病菌有() A. 大肠埃希菌 B. 白色念珠菌 C. 肠球菌和链球菌 D. 产气荚膜梭菌 E. 铜绿钾单胞杆菌 参考答案:A, C, E
第21题: [单项选择]Passage 1
Questions 25 to 27 are based on the passage you have just heard. A. An English reporter. B. An American reporter. C. An English scientist. D. An American scientist. 参考答案:B 答案解析:[听力原文]25-27
And now for the Monday Morning weather report. Right now the skies over the Chicago