()年马尾区正式开始规划船政文化景区。
A、2005
B、2006
C、2007
D、2008
参考答案:B
But for the fact that the firefighters _____ at the spot in time, more people ______ their lives in the fire.
A.arrived; died
B.had arrived; would lose
C.arrived; would have lost
D.has arrived; could have lost
病历摘要:患者男性,62岁,因右下肺癌拟行右下肺叶切除术。身高1.67m,体重65kg,血压20/12kPa,心率64次/分。既往有慢性支气管炎,阻塞性肺气肿,有七年冠心病病史,二年前有心肌梗塞,近年无心绞痛发作。能进行正常生活与工作。心电图检查无异常。肝肾功能生化检查各项正常。
关于通气/血流比值(V/Q)下述哪些是对的?()。
A.正常人全肺平均通气/血流比值为0.8-0.9
B.正常人坐位时的V/Q,肺上部低,下部高
C.V/Q增高时,表示生理短路增大
D.V/Q降低时,表示生理死腔增大
E.出血性休克,血压降低,肺栓塞等是肺泡死腔量增大的原因