消化性溃疡最常见的并发症是()。
A.急性穿孔
B.幽门梗阻
C.消化道出血
D.癌变
E.慢性穿孔
参考答案:C
______ you ______ he is able to skate, but I am, I will teach you. [ ]
A.Both, and
B.Not only, but also.
C.Either, or
D.Neither, nor
支气管哮喘可以出现的并发症有()
A.自发性气胸
B.肺不张
C.肺气肿
D.慢支
E.肺纤维化