第1题: [单项选择]下列选项中,支持肾缺血性急性肾衰竭的实验室检查指标是 A. 尿渗透压>500mmol/L B. 尿钠浓度>20mmol/L C. 尿比重>1.018 D. 血尿素氮/血肌酐>20 参考答案:B 答案解析:[解析] 肾缺血性急性肾衰竭的实验室检查指标:尿渗透压<350mmol/L;尿钠浓度> 20mmol/L;尿比重<1.015;血尿素氮/血肌酐<20。
第30题: [单项选择]What is the man going to buy A. She is in. B. She feels happy. C. She is sad. 参考答案:A 答案解析:[听力原文] M: How’s Mary feeling today W: She still has a headache.