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当前学科:口腔预防
题目:
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为了提高妇女口腔健康意识,省妇幼保健院对妊娠期妇女进行了口腔保健知识讲座。妊娠期前3个月应注意避免()
A . A.龋充填治疗
B . 牙周检查
C . 牙髓治疗
D . X线照射
E . 龈上洁治
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One carrying vessel was sailing for Singapore from Tianjin. In transit, the vessel caught fire, and the fire spread quickly. In order to protect the ship and goods, the captain ordered to pour water into the space. Later the fire was put out, but the engine was damaged and the vessel had to be repaired. The captain decided to hire a tugboat to drag the vessel to a nearby port to have it repaired. The losses and damages caused by the fire are as follows : (1) 1 000 cases of goods were burnt down; (2) 600 cases of goods were soaked;(3) engine and deck were damaged by the fire; (4) tugboat expenses; (5) fuel expenses and wages paid to the crew. Question : Please analyze the nature of the above losses and expenses. (Translate the case into Chinese and then answer the question)