第19题: [单项选择]{{B}}Passage One
Questions 26 to 28 are based on the passage you have just heard.{{/B}} A. To persuade you to try out new ideas. B. To stress the importance of discussion. C. To introduce two main forms of teaching. D. To make you believe that seminar is more helpful. 参考答案:C 答案解析:[听力原文]26-28
There are two main forms of teaching in Nottingham University: seminar and lecture.
第20题: [单项选择]主动脉窦瘤最常发生于()。 A. 左冠窦 B. 右冠窦 C. 无冠窦 D. 无冠窦+左冠窦 E. 左冠窦+右冠窦 参考答案:B 答案解析: