第12题: [单项选择]患者女性,62岁。较肥胖,拟行胆囊切除术。术前血压为130/80mmHg,脉搏98次/分。术前用药为吗啡10mg,阿托品0.5mg。入手术室时病人主诉右上腹疼痛。用丁卡因15mg和葡萄糖150mg行腰麻,阻滞平面上升至T2,血压下降至88/60mmHg,脉搏降至50次/分。引起腹痛的原因可能是() A. 输尿管结石 B. 吗啡引起的胆绞痛发作 C. 食管裂孔疝 D. 胰腺炎 E. 胃溃疡 参考答案:B
第25题: [单项选择]Questions 11 to 18 are based on the conversation you have just heard. A. $9. B. $18. C. $12. D. $36. 参考答案:C 答案解析:[听力原文] M: The bag is $18 now. W: Yes, it’s exactly a half more than it was two months ago.