某患者,男,70岁,抽烟史45年,诊断为慢性支气管炎合并阻塞性肺气肿,讲话或穿衣等轻 发布时间:2019-05-28 01:37 │ 来源:www.tikuol.com 题型:单项选择题 问题: 某患者,男,70岁,抽烟史45年,诊断为慢性支气管炎合并阻塞性肺气肿,讲话或穿衣等轻微动作时即发生气短。该患者主观呼吸功能障碍程度评定为几级A.1B.2C.3D.4E.5
题型:单项选择题 ______the telephone number several times, but he couldn’t learn it by heart.A Having been told B. He had been told . C. Although he had been told. D. Having told 查看答案
题型:单项选择题 元素周期表第二行中原子序数相连的X、Y、Z三种元素的连续电离能(kJ/mol)如下表,下列叙述正确的是[ ]A.X的原子电子层结构为1s22s1 B.Y为ⅡA族元素,其元素符号为Mg C.Z的价电子数为3 D.X的原子半径小于Y的原子半径 查看答案