早期食管癌的X线表现不包括()。
A.食管下端呈光滑的鸟嘴状狭窄
B.局限性黏膜皱襞增粗和断裂
C.局限性管壁僵硬
D.局限、小的充盈缺损
E.小龛影
参考答案:A
Three students in ten will go and _____ to stay in the classroom.
A.the rest are
B.the rest is
C.the other are
D.the other is
酸味药的主要药理作用是()
A.解热
B.发汗
C.保护创面
D.抗菌
E.利胆