膀胱内强回声团,后方伴声影,并随体位改变而改变的是()
A.输尿管囊肿
B.输尿管结核
C.神经源性膀胱
D.膀胱结石
参考答案:D
— Why haven't you posted the letter?
— I _______ to but I forgot about it.[ ]
A. liked
B. meant
C. expected
D. wished
上呼吸道梗阻常见原因哪项是错误的
A.分泌物过多
B.呕吐误吸
C.支气管痉挛
D.喉痉挛
E.舌后坠