第18题: [单项选择]先天性主动脉瓣狭窄患者出现杂音的部位及时期为()。 A. 心尖区收缩期杂音 B. 心尖区舒张期杂音 C. 胸骨右缘第2肋间舒张期杂音 D. 胸骨右缘第2肋间收缩期杂音 E. 胸骨左缘第3肋间舒张期杂音 参考答案:D 答案解析:先天性主动脉瓣狭窄患者出现杂音的部位及时期为:胸骨右缘第2肋间及胸骨左缘第3肋间收缩期杂音。
第25题: [单项选择]Questions 22 to 25 are based on the conversation you have just heard. A. She wants to earn extra money. B. She wants to get practical experience. C. She wants to take a chemistry course. D. She wants to quit her job in the chemistry lab. 参考答案:B 答案解析:[听力原文] Why is the woman interested in working with Professor Smith