第27题: [单项选择]Question 10 is based on the following news. At the end of the news item, you will be given 10 seconds to answer the question. Now listen to the news. A. 5. B. 44. C. 39. D. 49. 参考答案:C 答案解析:[听力原文] The helicopter crash on Saturday near Mannheim is the worst in German history. 44 pers
第28题: [单项选择]对颈动脉体瘤的描述,错误的是() A. 是一种化学感受器瘤 B. 属于交界性肿瘤 C. 发生于颈总动脉分叉处 D. 生长缓慢 E. 少数可发生恶变 参考答案:B