第11题: [单项选择]男,64岁,进行性吞咽困难3个月,近10天来每日只饮水少许。极度口渴、乏力、唇干舌燥、皮肤弹性差、眼窝凹陷、尿少、尿比重1.030,应静脉滴注 A. 10%葡萄糖液 B. 林格液 C. 5%葡萄糖盐水 D. 5%葡萄糖液 E. 平衡液 参考答案:C 答案解析:[解释] 因吞咽困难、摄入水分不够,表现为极度口渴、乏力、口舌和皮肤干燥、眼窝凹陷、尿少等缺水状况,但尿比重增高,已属中度高渗性缺水,应静脉滴注5%葡萄糖溶液或0.45%氧化钠溶液,以补充已丧失的液体
第21题: [单项选择]Questions 22 to 25 are based on the conversation you have just heard.A. Video and online game. B. Hazards of a high-tech society. C. Relationships on campus. D. Interact addiction. 参考答案:D 答案解析:[解析] 22-25 W: (22) We’re talking this hour about how and why people might become addicted to t