患者，男性，75岁。确诊COPD已10多年，本次因COPD急性加重2天急诊入院。查血气分析（刚吸氧约15分钟）示：pH7.32，PaO249mmHg，PaCO272mmHg，AB35mmol／L，BE＋16mmol／L。
经综合治疗患者的病情明显好转，复查血气分析（不吸氧）示：pH7.37，PaO59mmHg，PaCO62mmHg，AB27mmol／L，BE＋3mmol／L。此时患者的血气分析属于（）| {{B}}
Scientists have long struggled to understand what lies at the planet’s center. Direct observation of its center is impossible, so researchers must {{U}} (51) {{/U}} to other evidence. In 1889, a German scientist detected a severe earthquake in Japan. Geophysicists concluded that shock waves {{U}} (52) {{/U}} jolts (晃动) from one side of Earth through the center to the other side. Then in 1936, Danish geophysicist lnge Lehmann studied the waves’ {{U}} (53) {{/U}} to determine that within Earth’s core of molten (熔化了的) iron lies a solid inner core - but {{U}} (54) {{/U}} that core was made of eluded (难倒) her. Other geophysicists quickly determined that Lehmann’s inner core was composed mostly {{U}} (55) {{/U}} iron. Since then, Lehmann’ A. try B. leave C. turn D. point [单选题]A.烧伤面积×体重×1.8mL+（60～80）mL/kg
A.烧伤面积×体重×2mL+100mL/kg B.烧伤面积×体重×2mL+（60～80）mL/kg C.烧伤面积×体重×1.5mL+1000mL/kg D.烧伤面积×体重×1.5mL+2000mL E.成人烧伤后第1个24小时补液量（ ） [单项选择]男性，52岁，原有劳累型心绞痛，近2周来每于清晨5时发作，疼痛持续时间较长入院，住院期间发作时心率50次／分，早搏4~5次／分，血压95／60mmHg，心电图Ⅱ、Ⅲ、aVFST段抬高，加用硝苯地平后未再发作，应用硝苯地平机制是（）
A. 减慢心率，降低心肌耗氧 B. 增快心率，增加心排，改善心肌供血 C. 缓解冠脉痉挛 D. 提高血压，改善心肌灌注 E. 增快心率，消除早搏 [判断题]在疫情没有完全终结的情况下团队出游,导游要提醒客人乘车时佩戴口罩,间隔一定距离就坐。( )
A.正确 B.错误 [判断题]P207T2S015 上、下级保护间只要动作时间配合好，就可以保证选择性。( )
A.正确 B.错误 [多项选择]下列个人所得中，免纳个人所得税的有（ ）。
A. 军人的转业费 B. 偶然所得 C. 按照国家统一规定发给职工的安家费 D. 残疾人员的所得 E. 投资国债的收入 我来回答: 提交
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