第19题: [单项选择]正常成人脑脊液中红细胞数应为()。 A. 0 B. (0~10)×106/L C. (0~5)×106/L D. (0~15)×106/L E. (0~30)×106/L 参考答案:A
第20题: [单项选择]Passage One Questions 26 to 28 are based on the passage you have just heard. A. He didn’t like women. B. Because he hated St. Valentine. C. Because he believed bachelors made better soldiers. D. He didn’t approve of celebrations. 参考答案:C 答案解析:[听力原文] Why did Claudius Ⅱ prohibit marriage