【单选题】He is very rich, _____ he is not happy. [ ]
【单选题】He is very rich, but that does not _____________ mean that he is happy.
【单选题】设某类资源有5个,由3个进程共享,要使系统不会死锁则每个进程最多可申请的资源数是()
【单选题】He is very rich, but that does not __________ mean that he is happy.
【简答题】He is very rich, but that does not (necessary) mean that he is happy.
【单选题】[单选题] 维生素PP作为营养强化剂,所使用的范围是()。
【单选题】患者,男性,42岁,自幼起咳嗽、咳痰、喘息,多为受凉后发作,静脉滴注'青霉素'可缓解,10~20岁无发作。20岁后又有1次大发作,发作时大汗淋漓、全身发绀、端坐不能平卧,肺部可闻及哮鸣音,静脉注射'氨茶碱、地塞米松'可完全缓解。自后反复出现夜间轻微喘息,每周发作3次以上,不能入睡,PEF变异率为35%。查体:双肺听诊未闻及干湿啰音,心率89/min。最可能的诊断是