食品卫生与身体健康密切相关。下列做法对人体健康有害的是[ ]
A.用工业石蜡给瓜子上蜡“美容”
B.蒸馒头时加入适量小苏打
C.用食醋作食品的调味剂
D.在食盐中舔加适量碘元素
答案:A
上颌尖牙牙冠唇面形态中哪一点是错误的()
A.圆五边形
B.两牙尖嵴相交成90°
C.牙尖偏近中
D.外形高点在颈1/3与中1/3交接处
E.发育沟不明显
A vessel sailing from Liverpool to New York puts into Boston,Mass. for emergency repairs. If no inward foreign cargo is to be discharged at that port,which of the following documents is required?()
A.Custom Manifest
B.Inward Foreign Manifest
C.Pro Forma Manifest
D.Traveling Manifest