南亚北部的山脉A是（ ）
A．阿尔卑斯山脉
B．喜马拉雅山脉
C．落基山脉
D．安第斯山脉
答案：B
—Robert is indeed a wise man.
—Oh，yes.How often I have regretted ______ his advice!
A．to take
B．taking
C．not to take
D．not taking
最可能的诊断为
A．外源性支气管哮喘B．内源性支气管哮喘C．慢性喘息性支气管炎D．慢性阻塞性肺心病(COPD)E．心源性哮喘
