男,14岁,持续性鼻塞、嗅觉减退,流脓涕数年,CT检查如图,最可能的诊断为()
A.鼻炎及鼻窦炎
B.鼻及鼻窦息肉
C.过敏性鼻炎及鼻窦炎
D.恶性肉芽肿
E.上颌窦癌
参考答案:A
肠管迅速膨胀,肠壁变薄,可引起等渗性缺水
A."铅管"征B."鹅卵石"征C."鸟嘴"征D."杯口"征E.充盈缺损
We __________ gifts __________ you in Beijing yesterday.[ ]
A. buy, of
B. bought, of
C. bought, for