单选题:引起呼吸系统疾病最常见的病因是 题目分类:专业实务 题目类型:单选题 查看权限:VIP 题目内容: 引起呼吸系统疾病最常见的病因是 A.吸烟 B.肿瘤 C.感染 D.变态反应 E.理化因素 参考答案: 答案解析:
某老年呼吸衰竭病人,因近日咳嗽、咳痰、气促明显,又出现神志不清、发绀、多汗及皮肤湿暖,做血气分析:Pa0250mmHg, 某老年呼吸衰竭病人,因近日咳嗽、咳痰、气促明显,又出现神志不清、发绀、多汗及皮肤湿暖,做血气分析:Pa0250mmHg,PaC0260mmHg,应给予 A.高 分类:专业实务 题型:单选题 查看答案
The film_______for half an hour when I got to the cinema. The film_______for half an hour when I got to the cinema.A.began B.begun C.had 分类:专业实务 题型:单选题 查看答案
-I'll be away on a business trip. Would you mind looking af -I'll be away on a business trip. Would you mind looking after my cat?-Not at 分类:专业实务 题型:单选题 查看答案
It is said that the agreement_______between the two compani It is said that the agreement_______between the two companies last month will b 分类:专业实务 题型:单选题 查看答案