为减少支气管扩张患者肺部继发感染和全身中毒症状,最关键的措施是()
A、加强痰液引流
B、选择广谱抗生素
C、使用呼吸兴奋剂
D、使用支气管扩张剂
E、注射流感疫苗
参考答案:A
Our plan didn't get up the ground because no one could come.
A.get over
B.get on
C.get off
D.get through
均质油藏