包装标志按内容和作用,可分为()
A.文字标志
B.包装储运图示标志
C.收发货标志
D.危险货物包装标志
E.图形标志
参考答案:B, C, D
用所给词的适当形式填空。
1. Do you know the _____ (important) of being a volunteer?
2. He is a _____ (knowledge) person.
3. Try to help the _____ (home) people.
4. Lily wants to be a _____ (photograph).
5. It is my _____ (please) to be with you.
男性,42岁,间断上腹部不适3年,胃镜提示:重度萎缩性胃炎;病理检查:萎缩性胃炎伴肠化,W-S染色阳性。
患者治疗后复查Hp是否被根除,至少应停药多长时间()
A.停药后即复查
B.一周
C.二周
D.四周
E.八周