— There are 28 or 29 days. Which month is it?
— _____.[ ]
A. January
B. February
C. May
答案:B
阿司匹林片的正常外观是
A.白色片B.黄色片C.绿色片D.红色片E.棕色片
胃癌的X线造影征象有()
A.胃壁僵硬呈直线,边缘不整齐
B.充盈缺损
C.不整齐的巨大溃疡
D.胃黏膜皱襞中断融合
E.可见明显的环堤和中心不整齐的溃疡