第1题: [单项选择]{{I}} Questions 26 and 27 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the questions. Now, listen to the news.{{/I}}How many old people have been examined for the research A. 815. B. 855. C. 831. D. 865. 参考答案:A 答案解析:[听力原文]26-27
Doctors in Chicago said on Monday they reached their conclusions on the fat question
第2题: [单项选择]治疗军团菌的首选药物是 A. 红霉素 B. 阿奇霉素 C. 罗红霉素 D. 克拉霉素 E. 交沙霉素 参考答案:A