建设工程项目实行总承包的,由( )汇总各分包单位形成的工程档案。
A.总包单位B.主体分包单位C.建设单位D.监理单位
参考答案:A
男性,67岁,肺源性心脏病急性加重期患者。血气分析:PH7.25,PaCO29.3kPa(70mmHg)HCO3-30mmoVL;对其酸碱失街的治疗措施应为
A.静脉滴注盐酸精氨酸
B.改善通气功能
C.静脉滴注5%碳酸氢纳
D.补充氯化钾
E.给予利尿剂
She had just finished her homework ________ her mother asked her to practise playing the piano
yesterday.[ ]
A. when
B. while
C. after
D. since