第3题: [单项选择]Questions 11 to 18 are based on the conversation you have just heard. A. She decided to buy a gold necklace. B. She decided to buy a pair of gold earrings. C. She decided to buy a pair of gold earrings and necklace. D. She decides to buy a pair of silver earrings. 参考答案:B 答案解析:[听力原文] M: These silver earrings are only sixteen dollars this week. The gold ones are twenty-tour
第17题: [单项选择]梅毒所致瞳孔异常表现为() A. 无光反应,也无调节与集合反应 B. 无光反应,有调节与集合反应 C. 有光反应,也有调节与集合反应 D. 有光反应,无调节与集合反应 E. 以上均不是 参考答案:B 答案解析:梅毒所致的Argyll-Robertson瞳孔为光反射消失而近反射正常。