下列哪项食管吞钡的X线表现,显示食管瘤已发展到晚期()
A.食管管腔狭窄、梗阻
B.小龛影
C.局限性管壁僵硬
D.局限、小的充盈缺损
E.局限性黏膜皱襞增粗和断裂
参考答案:A
Mao Zedong is remembered ________ his greatness.[ ]
A. in
B. as
C. for
D. with
简述财务管理的任务和内容。