龋病的一级预防不包括
A.口腔健康教育
B.定期口腔检查
C.饮水氟化
D.口腔局部用氟
E.早期治疗充填
参考答案:E
Nowadays, Chinese consumers are increasingly aware of their rights. , safety and quality issues remain top concerns.
A.Therefore
B.Instead
C.However
D.Anyhow
The Bill of lading signed by the shipping company is()
A.S-B/L (Sea-B/L)
B.V-B/L (Vessel-B/L)
C.Seaway Bill
D.Ocean-B/L