急性肺水肿患者使用地高辛主要用于()
A.扩张冠状动脉
B.排钾利尿
C.减慢心率
D.增强心脏搏动
E.纠正心律失常
参考答案:D
— Can you tell me ____I can do withthe broken computer?
— Sorry, you'd better ask an expert ____ to dealwith it. [ ]
A. how; what
B. what; how
C. how; how
D. what; what
在沥青路面施工中,下列哪些情况应浇洒透层沥青()
A.在粒料的半刚性基层上
B.在有裂缝的旧沥青路面上
C.旧沥青路面上加铺沥青面层