第15题: [单项选择]Questions 19 to 22 are based on the conversation you have just heard.A. Relaxed feelings. B. Mental disorders. C. Weight and appetite loss. D. Quite negative emotions. 参考答案:D 答案解析:[解析] Q: What are the symptoms of Seasonal Affective Disorder
[答案详解] 对话中女士提到有些人冬天出现情绪
第16题: [单项选择]急性肾衰多尿期 A. 低渗性脱水 B. 高渗性缺水 C. 等渗性缺水 D. 高血钾 E. 低血钾 参考答案:E