第19题: [单项选择]患者,男,27岁。既往有消化道溃疡病史4年。症见突发上腹部刀割样疼痛,迅速蔓延至全腹,服抗生素后不能缓解,症状加重。患者6小时后于急诊求治。腹部X线平片诊断为急性弥漫性腹膜炎,消化性溃疡穿孔。患者于入院半小时后出现烦躁表现,血压70/40mmHg。发生这种状况的原因是() A. 脱水和电解质紊乱 B. 细菌毒力强 C. 心肺功能障碍 D. 吸收大量毒素和血容量下降 E. 血浆蛋白降低 参考答案:D
第37题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. He’d like to reschedule the party. B. He and Jill aren’t free next week. C. He’s not sure if Jill is available on Friday. D. He doesn’t know what to bring to the party. 参考答案:C 答案解析:[听力原文]
W: Tom and I are having a party next week. We wondered if you and Jill would be free to join