对严重的支气管哮喘发作病人，重要的祛痰方法（）
A.补液
B.气雾吸入
C.口服必嗽平
D.体位引流
E.吸痰
参考答案：A
245. After work, the young man and his colleagues went to the nearest _____ and sat down at the table for a grand dinner.
A．bar
B．Cafe
C．restaurant
D．dining-room
病毒复制的标志是
A．抗-HBs(表面抗原抗体)B．HBeAg(e抗原)C．HBsAg(表面抗原)D．抗-HBe(e抗原抗体)E．抗-HBc(核心抗原抗体)
