_____________ does your father work? In a post office. [ ]
A. Where
B. What
C. How
答案:A
慢性萎缩性胃炎的肉眼病变为()
A.胃黏膜薄而平
B.黏膜呈褐色
C.黏膜表面呈细颗粒状
D.黏膜下血管分支清晰可见
E.黏膜皱襞粗大
货运人员雨雪天室外作业要执行哪些规定?