第2题: [单项选择]Questions 23 to 25 are based on the conversation you have just heard. A. Teacher and student. B. Manager and guest. C. Receptionist and guest. D. Friends. 参考答案:C 答案解析:[听力原文]23-25 W: Welcome to Jingli Hotel. How may I help you M: I’d like a room please. W: W
第11题:[单选题]大量体液丢失后滴注葡萄糖液可导致 A. 高渗性脱水 B. 低渗性脱水 C. 等渗性脱水 D. 慢性水中毒 E. 血清钾升高 参考答案:B 各种原因所致的体液丢失,其丧失的液体中钠浓度都不会显著高于血浆的钠浓度,因此体液丢失本身并不会导致低渗性脱水,只有大量体液丢失后仅补充水分或滴注葡萄糖液,才可导致低渗性脱水。