第5题: [多项选择]患者男,72岁,因反复呕吐,停止排便、排气5天,突然腹痛一天入院。既往慢性支气管炎20年。入院体检:神志淡漠,血压80/50mmHg,心率130次/分,动脉血气pH7.27,PaO55mmHg,PaCO50mmHg,BE-16mmol/L。低氧血症的处理()。 A. 低流量鼻导管吸氧 B. 高流量面罩吸氧 C. 喉罩通气 D. 必要时气管插管机械通气 E. 无创正压通气 参考答案:A, D
第7题: [单项选择]{{B}} Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. He should send the package third class. B. He should send the package first class. C. He can save his money. D. The first class mail is expensive. 参考答案:B 答案解析:[听力原文]
M: If I send this package third class, how long will it take to arrive
W: About two weeks.