Could you ______ the book to me tomorrow? [ ]
A. borrow
B. catch
C. bring
D. have
答案:C
人工后牙半解剖式牙尖斜度为
A.0°B.10°C.20°D.30°E.40°
男性,24岁,淋雨后出现发热、咳嗽,咳铁锈色痰,可能的病因为()
A.胸膜炎
B.肺结核
C.气胸
D.肺脓肿
E.肺炎球菌肺炎